1 | /** @file
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2 | *
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3 | * VirtualBox COM class implementation
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2006-2007 innotek GmbH
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | */
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17 |
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18 | #include "HardDiskImpl.h"
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19 | #include "ProgressImpl.h"
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20 | #include "VirtualBoxImpl.h"
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21 | #include "SystemPropertiesImpl.h"
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22 | #include "Logging.h"
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23 |
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24 | #include <iprt/string.h>
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25 | #include <iprt/thread.h>
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26 | #include <iprt/file.h>
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27 | #include <iprt/path.h>
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28 | #include <iprt/dir.h>
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29 | #include <iprt/cpputils.h>
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30 | #include <VBox/VBoxHDD.h>
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31 | #include <VBox/err.h>
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32 |
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33 | #include <algorithm>
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34 |
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35 | #define CHECK_BUSY() \
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36 | do { \
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37 | if (isBusy()) \
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38 | return setError (E_UNEXPECTED, \
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39 | tr ("Hard disk '%ls' is being used by another task"), \
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40 | toString().raw()); \
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41 | } while (0)
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42 |
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43 | #define CHECK_BUSY_AND_READERS() \
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44 | do { \
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45 | if (readers() > 0 || isBusy()) \
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46 | return setError (E_UNEXPECTED, \
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47 | tr ("Hard disk '%ls' is being used by another task"), \
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48 | toString().raw()); \
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49 | } while (0)
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50 |
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51 | /** Task structure for asynchronous VDI operations */
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52 | struct VDITask
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53 | {
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54 | enum Op { CreateDynamic, CreateStatic, CloneToImage };
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55 |
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56 | VDITask (Op op, HVirtualDiskImage *i, Progress *p)
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57 | : operation (op)
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58 | , vdi (i)
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59 | , progress (p)
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60 | {}
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61 |
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62 | Op operation;
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63 | ComObjPtr <HVirtualDiskImage> vdi;
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64 | ComObjPtr <Progress> progress;
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65 |
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66 | /* for CreateDynamic, CreateStatic */
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67 | uint64_t size;
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68 |
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69 | /* for CloneToImage */
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70 | ComObjPtr <HardDisk> source;
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71 | };
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72 |
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73 | /**
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74 | * Progress callback handler for VDI operations.
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75 | *
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76 | * @param uPercent Completetion precentage (0-100).
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77 | * @param pvUser Pointer to the Progress instance.
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78 | */
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79 | static DECLCALLBACK(int) progressCallback (PVM /* pVM */, unsigned uPercent, void *pvUser)
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80 | {
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81 | Progress *progress = static_cast <Progress *> (pvUser);
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82 |
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83 | /* update the progress object, capping it at 99% as the final percent
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84 | * is used for additional operations like setting the UUIDs and similar. */
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85 | if (progress)
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86 | progress->notifyProgress (RT_MIN (uPercent, 99));
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87 |
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88 | return VINF_SUCCESS;
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89 | }
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90 |
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91 | ////////////////////////////////////////////////////////////////////////////////
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92 | // HardDisk class
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93 | ////////////////////////////////////////////////////////////////////////////////
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94 |
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95 | // constructor / destructor
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96 | ////////////////////////////////////////////////////////////////////////////////
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97 |
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98 | /** Shold be called by subclasses from #FinalConstruct() */
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99 | HRESULT HardDisk::FinalConstruct()
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100 | {
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101 | mRegistered = FALSE;
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102 |
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103 | mStorageType = HardDiskStorageType_VirtualDiskImage;
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104 | mType = HardDiskType_NormalHardDisk;
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105 |
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106 | mBusy = false;
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107 | mReaders = 0;
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108 |
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109 | return S_OK;
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110 | }
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111 |
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112 | /**
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113 | * Shold be called by subclasses from #FinalRelease().
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114 | * Uninitializes this object by calling #uninit() if it's not yet done.
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115 | */
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116 | void HardDisk::FinalRelease()
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117 | {
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118 | uninit();
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119 | }
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120 |
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121 | // protected initializer/uninitializer for internal purposes only
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122 | ////////////////////////////////////////////////////////////////////////////////
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123 |
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124 | /**
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125 | * Initializes the hard disk object.
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126 | *
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127 | * Subclasses should call this or any other #init() method from their
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128 | * init() implementations.
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129 | *
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130 | * @note
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131 | * This method doesn't do |isReady()| check and doesn't call
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132 | * |setReady (true)| on success!
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133 | * @note
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134 | * This method must be called from under the object's lock!
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135 | */
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136 | HRESULT HardDisk::protectedInit (VirtualBox *aVirtualBox, HardDisk *aParent)
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137 | {
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138 | LogFlowThisFunc (("aParent=%p\n", aParent));
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139 |
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140 | ComAssertRet (aVirtualBox, E_INVALIDARG);
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141 |
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142 | mVirtualBox = aVirtualBox;
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143 | mParent = aParent;
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144 |
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145 | if (!aParent)
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146 | aVirtualBox->addDependentChild (this);
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147 | else
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148 | aParent->addDependentChild (this);
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149 |
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150 | return S_OK;
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151 | }
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152 |
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153 | /**
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154 | * Uninitializes the instance.
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155 | * Subclasses should call this from their uninit() implementations.
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156 | * The readiness flag must be true on input and will be set to false
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157 | * on output.
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158 | *
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159 | * @param alock this object's autolock
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160 | *
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161 | * @note
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162 | * Using mParent and mVirtualBox members after this method returns
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163 | * is forbidden.
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164 | */
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165 | void HardDisk::protectedUninit (AutoLock &alock)
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166 | {
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167 | LogFlowThisFunc (("\n"));
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168 |
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169 | Assert (alock.belongsTo (this));
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170 | Assert (isReady());
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171 |
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172 | /* uninit all children */
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173 | uninitDependentChildren();
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174 |
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175 | setReady (false);
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176 |
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177 | if (mParent)
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178 | mParent->removeDependentChild (this);
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179 | else
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180 | {
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181 | alock.leave();
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182 | mVirtualBox->removeDependentChild (this);
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183 | alock.enter();
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184 | }
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185 |
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186 | mParent.setNull();
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187 | mVirtualBox.setNull();
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188 | }
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189 |
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190 | // IHardDisk properties
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191 | /////////////////////////////////////////////////////////////////////////////
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192 |
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193 | STDMETHODIMP HardDisk::COMGETTER(Id) (GUIDPARAMOUT aId)
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194 | {
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195 | if (!aId)
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196 | return E_POINTER;
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197 |
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198 | AutoLock alock (this);
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199 | CHECK_READY();
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200 |
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201 | mId.cloneTo (aId);
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202 | return S_OK;
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203 | }
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204 |
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205 | STDMETHODIMP HardDisk::COMGETTER(StorageType) (HardDiskStorageType_T *aStorageType)
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206 | {
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207 | if (!aStorageType)
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208 | return E_POINTER;
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209 |
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210 | AutoLock alock (this);
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211 | CHECK_READY();
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212 |
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213 | *aStorageType = mStorageType;
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214 | return S_OK;
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215 | }
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216 |
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217 | STDMETHODIMP HardDisk::COMGETTER(Location) (BSTR *aLocation)
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218 | {
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219 | if (!aLocation)
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220 | return E_POINTER;
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221 |
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222 | AutoLock alock (this);
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223 | CHECK_READY();
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224 |
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225 | toString (false /* aShort */).cloneTo (aLocation);
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226 | return S_OK;
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227 | }
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228 |
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229 | STDMETHODIMP HardDisk::COMGETTER(Type) (HardDiskType_T *aType)
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230 | {
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231 | if (!aType)
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232 | return E_POINTER;
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233 |
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234 | AutoLock alock (this);
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235 | CHECK_READY();
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236 |
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237 | *aType = mType;
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238 | return S_OK;
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239 | }
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240 |
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241 | STDMETHODIMP HardDisk::COMSETTER(Type) (HardDiskType_T aType)
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242 | {
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243 | AutoLock alock (this);
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244 | CHECK_READY();
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245 |
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246 | if (mRegistered)
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247 | return setError (E_FAIL,
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248 | tr ("You cannot change the type of the registered hard disk '%ls'"),
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249 | toString().raw());
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250 |
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251 | /* return silently if nothing to do */
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252 | if (mType == aType)
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253 | return S_OK;
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254 |
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255 | if (mStorageType == HardDiskStorageType_VMDKImage)
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256 | return setError (E_FAIL,
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257 | tr ("Currently, changing the type of VMDK hard disks is not allowed"));
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258 |
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259 | if (mStorageType == HardDiskStorageType_ISCSIHardDisk)
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260 | return setError (E_FAIL,
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261 | tr ("Currently, changing the type of iSCSI hard disks is not allowed"));
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262 |
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263 | /// @todo (dmik) later: allow to change the type on any registered hard disk
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264 | // depending on whether it is attached or not, has children etc.
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265 | // Don't forget to save hdd configuration afterwards.
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266 |
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267 | mType = aType;
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268 | return S_OK;
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269 | }
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270 |
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271 | STDMETHODIMP HardDisk::COMGETTER(Parent) (IHardDisk **aParent)
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272 | {
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273 | if (!aParent)
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274 | return E_POINTER;
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275 |
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276 | AutoLock alock (this);
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277 | CHECK_READY();
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278 |
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279 | mParent.queryInterfaceTo (aParent);
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280 | return S_OK;
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281 | }
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282 |
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283 | STDMETHODIMP HardDisk::COMGETTER(Children) (IHardDiskCollection **aChildren)
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284 | {
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285 | if (!aChildren)
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286 | return E_POINTER;
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287 |
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288 | AutoLock lock(this);
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289 | CHECK_READY();
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290 |
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291 | AutoLock chLock (childrenLock());
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292 |
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293 | ComObjPtr <HardDiskCollection> collection;
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294 | collection.createObject();
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295 | collection->init (children());
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296 | collection.queryInterfaceTo (aChildren);
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297 | return S_OK;
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298 | }
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299 |
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300 | STDMETHODIMP HardDisk::COMGETTER(Root) (IHardDisk **aRoot)
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301 | {
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302 | if (!aRoot)
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303 | return E_POINTER;
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304 |
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305 | AutoLock lock(this);
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306 | CHECK_READY();
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307 |
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308 | root().queryInterfaceTo (aRoot);
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309 | return S_OK;
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310 | }
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311 |
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312 | STDMETHODIMP HardDisk::COMGETTER(Accessible) (BOOL *aAccessible)
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313 | {
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314 | if (!aAccessible)
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315 | return E_POINTER;
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316 |
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317 | AutoLock alock (this);
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318 | CHECK_READY();
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319 |
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320 | HRESULT rc = getAccessible (mLastAccessError);
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321 | if (FAILED (rc))
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322 | return rc;
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323 |
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324 | *aAccessible = mLastAccessError.isNull();
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325 | return S_OK;
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326 | }
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327 |
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328 | STDMETHODIMP HardDisk::COMGETTER(AllAccessible) (BOOL *aAllAccessible)
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329 | {
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330 | if (!aAllAccessible)
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331 | return E_POINTER;
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332 |
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333 | AutoLock alock (this);
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334 | CHECK_READY();
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335 |
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336 | if (mParent)
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337 | {
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338 | HRESULT rc = S_OK;
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339 |
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340 | /* check the accessibility state of all ancestors */
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341 | ComObjPtr <HardDisk> parent = (HardDisk *) mParent;
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342 | while (parent)
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343 | {
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344 | AutoLock parentLock (parent);
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345 | HRESULT rc = parent->getAccessible (mLastAccessError);
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346 | if (FAILED (rc))
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347 | break;
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348 | *aAllAccessible = mLastAccessError.isNull();
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349 | if (!*aAllAccessible)
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350 | break;
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351 | parent = parent->mParent;
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352 | }
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353 |
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354 | return rc;
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355 | }
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356 |
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357 | HRESULT rc = getAccessible (mLastAccessError);
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358 | if (FAILED (rc))
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359 | return rc;
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360 |
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361 | *aAllAccessible = mLastAccessError.isNull();
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362 | return S_OK;
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363 | }
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364 |
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365 | STDMETHODIMP HardDisk::COMGETTER(LastAccessError) (BSTR *aLastAccessError)
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366 | {
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367 | if (!aLastAccessError)
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368 | return E_POINTER;
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369 |
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370 | AutoLock alock (this);
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371 | CHECK_READY();
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372 |
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373 | mLastAccessError.cloneTo (aLastAccessError);
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374 | return S_OK;
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375 | }
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376 |
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377 | STDMETHODIMP HardDisk::COMGETTER(MachineId) (GUIDPARAMOUT aMachineId)
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378 | {
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379 | if (!aMachineId)
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380 | return E_POINTER;
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381 |
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382 | AutoLock alock (this);
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383 | CHECK_READY();
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384 |
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385 | mMachineId.cloneTo (aMachineId);
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386 | return S_OK;
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387 | }
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388 |
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389 | STDMETHODIMP HardDisk::COMGETTER(SnapshotId) (GUIDPARAMOUT aSnapshotId)
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390 | {
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391 | if (!aSnapshotId)
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392 | return E_POINTER;
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393 |
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394 | AutoLock alock (this);
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395 | CHECK_READY();
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396 |
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397 | mSnapshotId.cloneTo (aSnapshotId);
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398 | return S_OK;
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399 | }
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400 |
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401 | STDMETHODIMP HardDisk::CloneToImage (INPTR BSTR aFilePath,
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402 | IVirtualDiskImage **aImage,
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403 | IProgress **aProgress)
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404 | {
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405 | if (!aFilePath || !(*aFilePath))
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406 | return E_INVALIDARG;
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407 | if (!aImage || !aProgress)
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408 | return E_POINTER;
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409 |
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410 | AutoLock alock (this);
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411 | CHECK_READY();
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412 | CHECK_BUSY();
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413 |
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414 | if (!mParent.isNull())
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415 | return setError (E_FAIL,
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416 | tr ("Cloning differencing VDI images is not yet supported ('%ls')"),
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417 | toString().raw());
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418 |
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419 | HRESULT rc = S_OK;
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420 |
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421 | /* create a project object */
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422 | ComObjPtr <Progress> progress;
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423 | progress.createObject();
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424 | rc = progress->init (mVirtualBox, static_cast <IHardDisk *> (this),
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425 | Bstr (tr ("Creating a hard disk clone")),
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426 | FALSE /* aCancelable */);
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427 | CheckComRCReturnRC (rc);
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428 |
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429 | /* create an imageless resulting object */
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430 | ComObjPtr <HVirtualDiskImage> image;
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431 | image.createObject();
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432 | rc = image->init (mVirtualBox, NULL, NULL);
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433 | CheckComRCReturnRC (rc);
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434 |
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435 | /* append the default path if only a name is given */
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436 | Bstr path = aFilePath;
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437 | {
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438 | Utf8Str fp = aFilePath;
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439 | if (!RTPathHavePath (fp))
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440 | {
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441 | AutoReaderLock propsLock (mVirtualBox->systemProperties());
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442 | path = Utf8StrFmt ("%ls%c%s",
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443 | mVirtualBox->systemProperties()->defaultVDIFolder().raw(),
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444 | RTPATH_DELIMITER,
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445 | fp.raw());
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446 | }
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447 | }
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448 |
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449 | /* set the desired path */
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450 | rc = image->setFilePath (path);
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451 | CheckComRCReturnRC (rc);
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452 |
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453 | /* ensure the directory exists */
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454 | {
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455 | Utf8Str imageDir = image->filePath();
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456 | RTPathStripFilename (imageDir.mutableRaw());
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457 | if (!RTDirExists (imageDir))
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458 | {
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459 | int vrc = RTDirCreateFullPath (imageDir, 0777);
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460 | if (VBOX_FAILURE (vrc))
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461 | {
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462 | return setError (E_FAIL,
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463 | tr ("Could not create a directory '%s' "
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464 | "to store the image file (%Vrc)"),
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465 | imageDir.raw(), vrc);
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466 | }
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467 | }
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468 | }
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469 |
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470 | /* mark as busy (being created)
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471 | * (VDI task thread will unmark it) */
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472 | image->setBusy();
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473 |
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474 | /* fill in a VDI task data */
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475 | VDITask *task = new VDITask (VDITask::CloneToImage, image, progress);
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476 | task->source = this;
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477 |
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478 | /* increase readers until finished
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479 | * (VDI task thread will decrease them) */
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480 | addReader();
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481 |
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482 | /* create the hard disk creation thread, pass operation data */
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483 | int vrc = RTThreadCreate (NULL, HVirtualDiskImage::VDITaskThread,
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484 | (void *) task, 0, RTTHREADTYPE_MAIN_HEAVY_WORKER,
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485 | 0, "VDITask");
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486 | ComAssertMsgRC (vrc, ("Could not create a thread (%Vrc)", vrc));
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487 | if (VBOX_FAILURE (vrc))
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488 | {
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489 | releaseReader();
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490 | image->clearBusy();
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491 | delete task;
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492 | return E_FAIL;
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493 | }
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494 |
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495 | /* return interfaces to the caller */
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496 | image.queryInterfaceTo (aImage);
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497 | progress.queryInterfaceTo (aProgress);
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498 |
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499 | return S_OK;
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500 | }
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501 |
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502 | // public methods for internal purposes only
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503 | /////////////////////////////////////////////////////////////////////////////
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504 |
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505 | /**
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506 | * Returns the very first (grand-) parent of this hard disk or the hard
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507 | * disk itself, if it doesn't have a parent.
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508 | *
|
---|
509 | * @note
|
---|
510 | * Must be called from under the object's lock
|
---|
511 | */
|
---|
512 | ComObjPtr <HardDisk> HardDisk::root() const
|
---|
513 | {
|
---|
514 | ComObjPtr <HardDisk> root = const_cast <HardDisk *> (this);
|
---|
515 | ComObjPtr <HardDisk> parent;
|
---|
516 | while ((parent = root->parent()))
|
---|
517 | root = parent;
|
---|
518 |
|
---|
519 | return root;
|
---|
520 | }
|
---|
521 |
|
---|
522 | /**
|
---|
523 | * Attempts to mark the hard disk as registered.
|
---|
524 | * Must be always called by every reimplementation.
|
---|
525 | * Only VirtualBox can call this method.
|
---|
526 | *
|
---|
527 | * @param aRegistered true to set registered and false to set unregistered
|
---|
528 | */
|
---|
529 | HRESULT HardDisk::trySetRegistered (BOOL aRegistered)
|
---|
530 | {
|
---|
531 | AutoLock alock (this);
|
---|
532 | CHECK_READY();
|
---|
533 |
|
---|
534 | if (aRegistered)
|
---|
535 | {
|
---|
536 | ComAssertRet (mMachineId.isEmpty(), E_FAIL);
|
---|
537 | ComAssertRet (mId && children().size() == 0, E_FAIL);
|
---|
538 |
|
---|
539 | if (mRegistered)
|
---|
540 | return setError (E_FAIL,
|
---|
541 | tr ("Hard disk '%ls' is already registered"),
|
---|
542 | toString().raw());
|
---|
543 |
|
---|
544 | CHECK_BUSY();
|
---|
545 | }
|
---|
546 | else
|
---|
547 | {
|
---|
548 | if (!mRegistered)
|
---|
549 | return setError (E_FAIL,
|
---|
550 | tr ("Hard disk '%ls' is already unregistered"),
|
---|
551 | toString().raw());
|
---|
552 |
|
---|
553 | if (!mMachineId.isEmpty())
|
---|
554 | return setError (E_FAIL,
|
---|
555 | tr ("Hard disk '%ls' is attached to a virtual machine with UUID {%s}"),
|
---|
556 | toString().raw(), mMachineId.toString().raw());
|
---|
557 |
|
---|
558 | if (children().size() > 0)
|
---|
559 | return setError (E_FAIL,
|
---|
560 | tr ("Hard disk '%ls' has %d differencing hard disks based on it"),
|
---|
561 | toString().raw(), children().size());
|
---|
562 |
|
---|
563 | CHECK_BUSY_AND_READERS();
|
---|
564 | }
|
---|
565 |
|
---|
566 | mRegistered = aRegistered;
|
---|
567 | return S_OK;
|
---|
568 | }
|
---|
569 |
|
---|
570 | /**
|
---|
571 | * Checks basic accessibility of this hard disk only (w/o parents).
|
---|
572 | * Must be always called by every HardDisk::getAccessible() reimplementation
|
---|
573 | * in the first place.
|
---|
574 | *
|
---|
575 | * When @a aCheckBusy is true, this method checks that mBusy = false (and
|
---|
576 | * returns an appropriate error if not). This lets reimplementations
|
---|
577 | * successfully call addReader() after getBaseAccessible() succeeds to
|
---|
578 | * reference the disk and protect it from being modified or deleted before
|
---|
579 | * the remaining check steps are done. Note that in this case, the
|
---|
580 | * reimplementation must enter the object lock before calling this method and
|
---|
581 | * must not leave it before calling addReader() to avoid race condition.
|
---|
582 | *
|
---|
583 | * When @a aCheckReaders is true, this method checks that mReaders = 0 (and
|
---|
584 | * returns an appropriate error if not). When set to true together with
|
---|
585 | * @a aCheckBusy, this lets reimplementations successfully call setBusy() after
|
---|
586 | * getBaseAccessible() succeeds to lock the disk and make sure nobody is
|
---|
587 | * referencing it until the remaining check steps are done. Note that in this
|
---|
588 | * case, the reimplementation must enter the object lock before calling this
|
---|
589 | * method and must not leave it before calling setBusy() to avoid race
|
---|
590 | * condition.
|
---|
591 | *
|
---|
592 | * @param aAccessError On output, a null string indicates the hard disk is
|
---|
593 | * accessible, otherwise contains a message describing
|
---|
594 | * the reason of inaccessibility.
|
---|
595 | * @param aCheckBusy Whether to do the busy check or not.
|
---|
596 | * @param aCheckReaders Whether to do readers check or not.
|
---|
597 | */
|
---|
598 | HRESULT HardDisk::getBaseAccessible (Bstr &aAccessError,
|
---|
599 | bool aCheckBusy /* = false */,
|
---|
600 | bool aCheckReaders /* = false */)
|
---|
601 | {
|
---|
602 | AutoLock alock (this);
|
---|
603 | CHECK_READY();
|
---|
604 |
|
---|
605 | aAccessError.setNull();
|
---|
606 |
|
---|
607 | if (aCheckBusy)
|
---|
608 | {
|
---|
609 | if (mBusy)
|
---|
610 | {
|
---|
611 | aAccessError = Utf8StrFmt (
|
---|
612 | tr ("Hard disk '%ls' is being exclusively used by another task"),
|
---|
613 | toString().raw());
|
---|
614 | return S_OK;
|
---|
615 | }
|
---|
616 | }
|
---|
617 |
|
---|
618 | if (aCheckReaders)
|
---|
619 | {
|
---|
620 | if (mReaders > 0)
|
---|
621 | {
|
---|
622 | aAccessError = Utf8StrFmt (
|
---|
623 | tr ("Hard disk '%ls' is being used by another task (%d readers)"),
|
---|
624 | toString().raw(), mReaders);
|
---|
625 | return S_OK;
|
---|
626 | }
|
---|
627 | }
|
---|
628 |
|
---|
629 | return S_OK;
|
---|
630 | }
|
---|
631 |
|
---|
632 | /**
|
---|
633 | * Returns true if the set of properties that makes this object unique
|
---|
634 | * is equal to the same set of properties in the given object.
|
---|
635 | */
|
---|
636 | bool HardDisk::sameAs (HardDisk *that)
|
---|
637 | {
|
---|
638 | AutoLock alock (this);
|
---|
639 | if (!isReady())
|
---|
640 | return false;
|
---|
641 |
|
---|
642 | /// @todo (dmik) besides UUID, we temporarily use toString() to uniquely
|
---|
643 | // identify objects. This is ok for VDIs but may be not good for iSCSI,
|
---|
644 | // so it will need a reimp of this method.
|
---|
645 |
|
---|
646 | return that->mId == mId ||
|
---|
647 | toString (false /* aShort */) == that->toString (false /* aShort */);
|
---|
648 | }
|
---|
649 |
|
---|
650 | /**
|
---|
651 | * Marks this hard disk as busy.
|
---|
652 | * A busy hard disk cannot have readers and its properties (UUID, description)
|
---|
653 | * cannot be externally modified.
|
---|
654 | */
|
---|
655 | void HardDisk::setBusy()
|
---|
656 | {
|
---|
657 | AutoLock alock (this);
|
---|
658 | AssertReturnVoid (isReady());
|
---|
659 |
|
---|
660 | AssertMsgReturnVoid (mBusy == false, ("%ls", toString().raw()));
|
---|
661 | AssertMsgReturnVoid (mReaders == 0, ("%ls", toString().raw()));
|
---|
662 |
|
---|
663 | mBusy = true;
|
---|
664 | }
|
---|
665 |
|
---|
666 | /**
|
---|
667 | * Clears the busy flag previously set by #setBusy().
|
---|
668 | */
|
---|
669 | void HardDisk::clearBusy()
|
---|
670 | {
|
---|
671 | AutoLock alock (this);
|
---|
672 | AssertReturnVoid (isReady());
|
---|
673 |
|
---|
674 | AssertMsgReturnVoid (mBusy == true, ("%ls", toString().raw()));
|
---|
675 |
|
---|
676 | mBusy = false;
|
---|
677 | }
|
---|
678 |
|
---|
679 | /**
|
---|
680 | * Increases the number of readers of this hard disk.
|
---|
681 | * A hard disk that have readers cannot be marked as busy (and vice versa)
|
---|
682 | * and its properties (UUID, description) cannot be externally modified.
|
---|
683 | */
|
---|
684 | void HardDisk::addReader()
|
---|
685 | {
|
---|
686 | AutoLock alock (this);
|
---|
687 | AssertReturnVoid (isReady());
|
---|
688 |
|
---|
689 | AssertMsgReturnVoid (mBusy == false, ("%ls", toString().raw()));
|
---|
690 |
|
---|
691 | ++ mReaders;
|
---|
692 | }
|
---|
693 |
|
---|
694 | /**
|
---|
695 | * Decreases the number of readers of this hard disk.
|
---|
696 | */
|
---|
697 | void HardDisk::releaseReader()
|
---|
698 | {
|
---|
699 | AutoLock alock (this);
|
---|
700 | AssertReturnVoid (isReady());
|
---|
701 |
|
---|
702 | AssertMsgReturnVoid (mBusy == false, ("%ls", toString().raw()));
|
---|
703 | AssertMsgReturnVoid (mReaders > 0, ("%ls", toString().raw()));
|
---|
704 |
|
---|
705 | -- mReaders;
|
---|
706 | }
|
---|
707 |
|
---|
708 | /**
|
---|
709 | * Increases the number of readers on all ancestors of this hard disk.
|
---|
710 | */
|
---|
711 | void HardDisk::addReaderOnAncestors()
|
---|
712 | {
|
---|
713 | AutoLock alock (this);
|
---|
714 | AssertReturnVoid (isReady());
|
---|
715 |
|
---|
716 | if (mParent)
|
---|
717 | {
|
---|
718 | AutoLock alock (mParent);
|
---|
719 | mParent->addReader();
|
---|
720 | mParent->addReaderOnAncestors();
|
---|
721 | }
|
---|
722 | }
|
---|
723 |
|
---|
724 | /**
|
---|
725 | * Decreases the number of readers on all ancestors of this hard disk.
|
---|
726 | */
|
---|
727 | void HardDisk::releaseReaderOnAncestors()
|
---|
728 | {
|
---|
729 | AutoLock alock (this);
|
---|
730 | AssertReturnVoid (isReady());
|
---|
731 |
|
---|
732 | if (mParent)
|
---|
733 | {
|
---|
734 | AutoLock alock (mParent);
|
---|
735 | mParent->releaseReaderOnAncestors();
|
---|
736 | mParent->releaseReader();
|
---|
737 | }
|
---|
738 | }
|
---|
739 |
|
---|
740 | /**
|
---|
741 | * Returns true if this hard disk has children not belonging to the same
|
---|
742 | * machine.
|
---|
743 | */
|
---|
744 | bool HardDisk::hasForeignChildren()
|
---|
745 | {
|
---|
746 | AutoLock alock (this);
|
---|
747 | AssertReturn (isReady(), false);
|
---|
748 |
|
---|
749 | AssertReturn (!mMachineId.isEmpty(), false);
|
---|
750 |
|
---|
751 | /* check all children */
|
---|
752 | AutoLock chLock (childrenLock());
|
---|
753 | for (HardDiskList::const_iterator it = children().begin();
|
---|
754 | it != children().end();
|
---|
755 | ++ it)
|
---|
756 | {
|
---|
757 | ComObjPtr <HardDisk> child = *it;
|
---|
758 | AutoLock childLock (child);
|
---|
759 | if (child->mMachineId != mMachineId)
|
---|
760 | return true;
|
---|
761 | }
|
---|
762 |
|
---|
763 | return false;
|
---|
764 | }
|
---|
765 |
|
---|
766 | /**
|
---|
767 | * Marks this hard disk and all its children as busy.
|
---|
768 | * Used for merge operations.
|
---|
769 | * Returns a meaningful error info on failure.
|
---|
770 | */
|
---|
771 | HRESULT HardDisk::setBusyWithChildren()
|
---|
772 | {
|
---|
773 | AutoLock alock (this);
|
---|
774 | AssertReturn (isReady(), E_FAIL);
|
---|
775 |
|
---|
776 | const char *errMsg = tr ("Hard disk '%ls' is being used by another task");
|
---|
777 |
|
---|
778 | if (mReaders > 0 || mBusy)
|
---|
779 | return setError (E_FAIL, errMsg, toString().raw());
|
---|
780 |
|
---|
781 | AutoLock chLock (childrenLock());
|
---|
782 |
|
---|
783 | for (HardDiskList::const_iterator it = children().begin();
|
---|
784 | it != children().end();
|
---|
785 | ++ it)
|
---|
786 | {
|
---|
787 | ComObjPtr <HardDisk> child = *it;
|
---|
788 | AutoLock childLock (child);
|
---|
789 | if (child->mReaders > 0 || child->mBusy)
|
---|
790 | {
|
---|
791 | /* reset the busy flag of all previous children */
|
---|
792 | while (it != children().begin())
|
---|
793 | (*(-- it))->clearBusy();
|
---|
794 | return setError (E_FAIL, errMsg, child->toString().raw());
|
---|
795 | }
|
---|
796 | else
|
---|
797 | child->mBusy = true;
|
---|
798 | }
|
---|
799 |
|
---|
800 | mBusy = true;
|
---|
801 |
|
---|
802 | return S_OK;
|
---|
803 | }
|
---|
804 |
|
---|
805 | /**
|
---|
806 | * Clears the busy flag of this hard disk and all its children.
|
---|
807 | * An opposite to #setBusyWithChildren.
|
---|
808 | */
|
---|
809 | void HardDisk::clearBusyWithChildren()
|
---|
810 | {
|
---|
811 | AutoLock alock (this);
|
---|
812 | AssertReturn (isReady(), (void) 0);
|
---|
813 |
|
---|
814 | AssertReturn (mBusy == true, (void) 0);
|
---|
815 |
|
---|
816 | AutoLock chLock (childrenLock());
|
---|
817 |
|
---|
818 | for (HardDiskList::const_iterator it = children().begin();
|
---|
819 | it != children().end();
|
---|
820 | ++ it)
|
---|
821 | {
|
---|
822 | ComObjPtr <HardDisk> child = *it;
|
---|
823 | AutoLock childLock (child);
|
---|
824 | Assert (child->mBusy == true);
|
---|
825 | child->mBusy = false;
|
---|
826 | }
|
---|
827 |
|
---|
828 | mBusy = false;
|
---|
829 | }
|
---|
830 |
|
---|
831 | /**
|
---|
832 | * Checks that this hard disk and all its direct children are accessible.
|
---|
833 | */
|
---|
834 | HRESULT HardDisk::getAccessibleWithChildren (Bstr &aAccessError)
|
---|
835 | {
|
---|
836 | AutoLock alock (this);
|
---|
837 | AssertReturn (isReady(), E_FAIL);
|
---|
838 |
|
---|
839 | HRESULT rc = getAccessible (aAccessError);
|
---|
840 | if (FAILED (rc) || !aAccessError.isNull())
|
---|
841 | return rc;
|
---|
842 |
|
---|
843 | AutoLock chLock (childrenLock());
|
---|
844 |
|
---|
845 | for (HardDiskList::const_iterator it = children().begin();
|
---|
846 | it != children().end();
|
---|
847 | ++ it)
|
---|
848 | {
|
---|
849 | ComObjPtr <HardDisk> child = *it;
|
---|
850 | rc = child->getAccessible (aAccessError);
|
---|
851 | if (FAILED (rc) || !aAccessError.isNull())
|
---|
852 | return rc;
|
---|
853 | }
|
---|
854 |
|
---|
855 | return rc;
|
---|
856 | }
|
---|
857 |
|
---|
858 | /**
|
---|
859 | * Checks that this hard disk and all its descendants are consistent.
|
---|
860 | * For now, the consistency means that:
|
---|
861 | *
|
---|
862 | * 1) every differencing image is associated with a registered machine
|
---|
863 | * 2) every root image that has differencing children is associated with
|
---|
864 | * a registered machine.
|
---|
865 | *
|
---|
866 | * This method is used by the VirtualBox constructor after loading all hard
|
---|
867 | * disks and all machines.
|
---|
868 | */
|
---|
869 | HRESULT HardDisk::checkConsistency()
|
---|
870 | {
|
---|
871 | AutoLock alock (this);
|
---|
872 | AssertReturn (isReady(), E_FAIL);
|
---|
873 |
|
---|
874 | if (isDifferencing())
|
---|
875 | {
|
---|
876 | Assert (mVirtualBox->isMachineIdValid (mMachineId) ||
|
---|
877 | mMachineId.isEmpty());
|
---|
878 |
|
---|
879 | if (mMachineId.isEmpty())
|
---|
880 | return setError (E_FAIL,
|
---|
881 | tr ("Differencing hard disk '%ls' is not associated with "
|
---|
882 | "any registered virtual machine or snapshot"),
|
---|
883 | toString().raw());
|
---|
884 | }
|
---|
885 |
|
---|
886 | HRESULT rc = S_OK;
|
---|
887 |
|
---|
888 | AutoLock chLock (childrenLock());
|
---|
889 |
|
---|
890 | if (mParent.isNull() && mType == HardDiskType_NormalHardDisk &&
|
---|
891 | children().size() != 0)
|
---|
892 | {
|
---|
893 | if (mMachineId.isEmpty())
|
---|
894 | return setError (E_FAIL,
|
---|
895 | tr ("Hard disk '%ls' is not associated with any registered "
|
---|
896 | "virtual machine or snapshot, but has differencing child "
|
---|
897 | "hard disks based on it"),
|
---|
898 | toString().raw());
|
---|
899 | }
|
---|
900 |
|
---|
901 | for (HardDiskList::const_iterator it = children().begin();
|
---|
902 | it != children().end() && SUCCEEDED (rc);
|
---|
903 | ++ it)
|
---|
904 | {
|
---|
905 | rc = (*it)->checkConsistency();
|
---|
906 | }
|
---|
907 |
|
---|
908 | return rc;
|
---|
909 | }
|
---|
910 |
|
---|
911 | /**
|
---|
912 | * Creates a differencing hard disk for this hard disk and returns the
|
---|
913 | * created hard disk object to the caller.
|
---|
914 | *
|
---|
915 | * The created differencing hard disk is automatically added to the list of
|
---|
916 | * children of this hard disk object and registered within VirtualBox.
|
---|
917 |
|
---|
918 | * The specified progress object (if not NULL) receives the percentage
|
---|
919 | * of the operation completion. However, it is responsibility of the caller to
|
---|
920 | * call Progress::notifyComplete() after this method returns.
|
---|
921 | *
|
---|
922 | * @param aFolder folder where to create the differencing disk
|
---|
923 | * (must be a full path)
|
---|
924 | * @param aMachineId machine ID the new hard disk will belong to
|
---|
925 | * @param aHardDisk resulting hard disk object
|
---|
926 | * @param aProgress progress object to run during copy operation
|
---|
927 | * (may be NULL)
|
---|
928 | *
|
---|
929 | * @note
|
---|
930 | * Must be NOT called from under locks of other objects that need external
|
---|
931 | * access dirung this method execurion!
|
---|
932 | */
|
---|
933 | HRESULT HardDisk::createDiffHardDisk (const Bstr &aFolder, const Guid &aMachineId,
|
---|
934 | ComObjPtr <HVirtualDiskImage> &aHardDisk,
|
---|
935 | Progress *aProgress)
|
---|
936 | {
|
---|
937 | AssertReturn (!aFolder.isEmpty() && !aMachineId.isEmpty(),
|
---|
938 | E_FAIL);
|
---|
939 |
|
---|
940 | AutoLock alock (this);
|
---|
941 | CHECK_READY();
|
---|
942 |
|
---|
943 | ComAssertRet (isBusy() == false, E_FAIL);
|
---|
944 |
|
---|
945 | Guid id;
|
---|
946 | id.create();
|
---|
947 |
|
---|
948 | Utf8Str filePathTo = Utf8StrFmt ("%ls%c{%Vuuid}.vdi",
|
---|
949 | aFolder.raw(), RTPATH_DELIMITER, id.ptr());
|
---|
950 |
|
---|
951 | /* try to make the path relative to the vbox home dir */
|
---|
952 | const char *filePathToRel = filePathTo;
|
---|
953 | {
|
---|
954 | const Utf8Str &homeDir = mVirtualBox->homeDir();
|
---|
955 | if (!strncmp (filePathTo, homeDir, homeDir.length()))
|
---|
956 | filePathToRel = (filePathToRel + homeDir.length() + 1);
|
---|
957 | }
|
---|
958 |
|
---|
959 | /* first ensure the directory exists */
|
---|
960 | {
|
---|
961 | Utf8Str dir = aFolder;
|
---|
962 | if (!RTDirExists (dir))
|
---|
963 | {
|
---|
964 | int vrc = RTDirCreateFullPath (dir, 0777);
|
---|
965 | if (VBOX_FAILURE (vrc))
|
---|
966 | {
|
---|
967 | return setError (E_FAIL,
|
---|
968 | tr ("Could not create a directory '%s' "
|
---|
969 | "to store the image file (%Vrc)"),
|
---|
970 | dir.raw(), vrc);
|
---|
971 | }
|
---|
972 | }
|
---|
973 | }
|
---|
974 |
|
---|
975 | alock.leave();
|
---|
976 |
|
---|
977 | /* call storage type specific diff creation method */
|
---|
978 | HRESULT rc = createDiffImage (id, filePathTo, aProgress);
|
---|
979 |
|
---|
980 | alock.enter();
|
---|
981 |
|
---|
982 | CheckComRCReturnRC (rc);
|
---|
983 |
|
---|
984 | ComObjPtr <HVirtualDiskImage> vdi;
|
---|
985 | vdi.createObject();
|
---|
986 | rc = vdi->init (mVirtualBox, this, Bstr (filePathToRel),
|
---|
987 | TRUE /* aRegistered */);
|
---|
988 | CheckComRCReturnRC (rc);
|
---|
989 |
|
---|
990 | /* associate the created hard disk with the given machine */
|
---|
991 | vdi->setMachineId (aMachineId);
|
---|
992 |
|
---|
993 | rc = mVirtualBox->registerHardDisk (vdi, VirtualBox::RHD_Internal);
|
---|
994 | CheckComRCReturnRC (rc);
|
---|
995 |
|
---|
996 | aHardDisk = vdi;
|
---|
997 |
|
---|
998 | return S_OK;
|
---|
999 | }
|
---|
1000 |
|
---|
1001 | /**
|
---|
1002 | * Checks if the given change of \a aOldPath to \a aNewPath affects the path
|
---|
1003 | * of this hard disk or any of its children and updates it if necessary (by
|
---|
1004 | * calling #updatePath()). Intended to be called only by
|
---|
1005 | * VirtualBox::updateSettings() if a machine's name change causes directory
|
---|
1006 | * renaming that affects this image.
|
---|
1007 | *
|
---|
1008 | * @param aOldPath old path (full)
|
---|
1009 | * @param aNewPath new path (full)
|
---|
1010 | *
|
---|
1011 | * @note Locks this object and all children for writing.
|
---|
1012 | */
|
---|
1013 | void HardDisk::updatePaths (const char *aOldPath, const char *aNewPath)
|
---|
1014 | {
|
---|
1015 | AssertReturnVoid (aOldPath);
|
---|
1016 | AssertReturnVoid (aNewPath);
|
---|
1017 |
|
---|
1018 | AutoLock alock (this);
|
---|
1019 | AssertReturnVoid (isReady());
|
---|
1020 |
|
---|
1021 | updatePath (aOldPath, aNewPath);
|
---|
1022 |
|
---|
1023 | /* update paths of all children */
|
---|
1024 | AutoLock chLock (childrenLock());
|
---|
1025 | for (HardDiskList::const_iterator it = children().begin();
|
---|
1026 | it != children().end();
|
---|
1027 | ++ it)
|
---|
1028 | {
|
---|
1029 | (*it)->updatePaths (aOldPath, aNewPath);
|
---|
1030 | }
|
---|
1031 | }
|
---|
1032 |
|
---|
1033 | /**
|
---|
1034 | * Helper method that deduces a hard disk object type to create from
|
---|
1035 | * the location string format and from the contents of the resource
|
---|
1036 | * pointed to by the location string.
|
---|
1037 | *
|
---|
1038 | * Currently, the location string must be a file path which is
|
---|
1039 | * passed to the HVirtualDiskImage or HVMDKImage initializer in
|
---|
1040 | * attempt to create a hard disk object.
|
---|
1041 | *
|
---|
1042 | * @param aVirtualBox
|
---|
1043 | * @param aLocation
|
---|
1044 | * @param hardDisk
|
---|
1045 | *
|
---|
1046 | * @return
|
---|
1047 | */
|
---|
1048 | /* static */
|
---|
1049 | HRESULT HardDisk::openHardDisk (VirtualBox *aVirtualBox, INPTR BSTR aLocation,
|
---|
1050 | ComObjPtr <HardDisk> &hardDisk)
|
---|
1051 | {
|
---|
1052 | LogFlowFunc (("aLocation=\"%ls\"\n", aLocation));
|
---|
1053 |
|
---|
1054 | AssertReturn (aVirtualBox, E_POINTER);
|
---|
1055 |
|
---|
1056 | /* null and empty strings are not allowed locations */
|
---|
1057 | AssertReturn (aLocation, E_INVALIDARG);
|
---|
1058 | AssertReturn (*aLocation, E_INVALIDARG);
|
---|
1059 |
|
---|
1060 | static const struct
|
---|
1061 | {
|
---|
1062 | HardDiskStorageType_T type;
|
---|
1063 | const char *ext;
|
---|
1064 | }
|
---|
1065 | storageTypes[] =
|
---|
1066 | {
|
---|
1067 | /* try the plugin format first if there is no extension match */
|
---|
1068 | { HardDiskStorageType_CustomHardDisk, NULL },
|
---|
1069 | /* then try the rest */
|
---|
1070 | { HardDiskStorageType_VMDKImage, ".vmdk" },
|
---|
1071 | { HardDiskStorageType_VirtualDiskImage, ".vdi" },
|
---|
1072 | { HardDiskStorageType_VHDImage, ".vhd" },
|
---|
1073 | };
|
---|
1074 |
|
---|
1075 | /* try to guess the probe order by extension */
|
---|
1076 | size_t first = 0;
|
---|
1077 | bool haveFirst = false;
|
---|
1078 | Utf8Str loc = aLocation;
|
---|
1079 | char *ext = RTPathExt (loc);
|
---|
1080 |
|
---|
1081 | for (size_t i = 0; i < ELEMENTS (storageTypes); ++ i)
|
---|
1082 | {
|
---|
1083 | if (storageTypes [i].ext &&
|
---|
1084 | RTPathCompare (ext, storageTypes [i].ext) == 0)
|
---|
1085 | {
|
---|
1086 | first = i;
|
---|
1087 | haveFirst = true;
|
---|
1088 | break;
|
---|
1089 | }
|
---|
1090 | }
|
---|
1091 |
|
---|
1092 | HRESULT rc = S_OK;
|
---|
1093 |
|
---|
1094 | HRESULT firstRC = S_OK;
|
---|
1095 | com::ErrorInfoKeeper firstErr (true /* aIsNull */);
|
---|
1096 |
|
---|
1097 | for (size_t i = 0; i < ELEMENTS (storageTypes); ++ i)
|
---|
1098 | {
|
---|
1099 | size_t j = !haveFirst ? i : i == 0 ? first : i == first ? 0 : i;
|
---|
1100 | switch (storageTypes [j].type)
|
---|
1101 | {
|
---|
1102 | case HardDiskStorageType_VirtualDiskImage:
|
---|
1103 | {
|
---|
1104 | ComObjPtr <HVirtualDiskImage> obj;
|
---|
1105 | obj.createObject();
|
---|
1106 | rc = obj->init (aVirtualBox, NULL, aLocation,
|
---|
1107 | FALSE /* aRegistered */);
|
---|
1108 | if (SUCCEEDED (rc))
|
---|
1109 | {
|
---|
1110 | hardDisk = obj;
|
---|
1111 | return rc;
|
---|
1112 | }
|
---|
1113 | break;
|
---|
1114 | }
|
---|
1115 | case HardDiskStorageType_VMDKImage:
|
---|
1116 | {
|
---|
1117 | ComObjPtr <HVMDKImage> obj;
|
---|
1118 | obj.createObject();
|
---|
1119 | rc = obj->init (aVirtualBox, NULL, aLocation,
|
---|
1120 | FALSE /* aRegistered */);
|
---|
1121 | if (SUCCEEDED (rc))
|
---|
1122 | {
|
---|
1123 | hardDisk = obj;
|
---|
1124 | return rc;
|
---|
1125 | }
|
---|
1126 | break;
|
---|
1127 | }
|
---|
1128 | case HardDiskStorageType_CustomHardDisk:
|
---|
1129 | {
|
---|
1130 | ComObjPtr <HCustomHardDisk> obj;
|
---|
1131 | obj.createObject();
|
---|
1132 | rc = obj->init (aVirtualBox, NULL, aLocation,
|
---|
1133 | FALSE /* aRegistered */);
|
---|
1134 | if (SUCCEEDED (rc))
|
---|
1135 | {
|
---|
1136 | hardDisk = obj;
|
---|
1137 | return rc;
|
---|
1138 | }
|
---|
1139 | break;
|
---|
1140 | }
|
---|
1141 | case HardDiskStorageType_VHDImage:
|
---|
1142 | {
|
---|
1143 | ComObjPtr <HVHDImage> obj;
|
---|
1144 | obj.createObject();
|
---|
1145 | rc = obj->init (aVirtualBox, NULL, aLocation,
|
---|
1146 | FALSE /* aRegistered */);
|
---|
1147 | if (SUCCEEDED (rc))
|
---|
1148 | {
|
---|
1149 | hardDisk = obj;
|
---|
1150 | return rc;
|
---|
1151 | }
|
---|
1152 | break;
|
---|
1153 | }
|
---|
1154 | default:
|
---|
1155 | {
|
---|
1156 | AssertComRCReturnRC (E_FAIL);
|
---|
1157 | }
|
---|
1158 | }
|
---|
1159 |
|
---|
1160 | Assert (FAILED (rc));
|
---|
1161 |
|
---|
1162 | /* remember the error of the matching class */
|
---|
1163 | if (haveFirst && j == first)
|
---|
1164 | {
|
---|
1165 | firstRC = rc;
|
---|
1166 | firstErr.fetch();
|
---|
1167 | }
|
---|
1168 | }
|
---|
1169 |
|
---|
1170 | if (haveFirst)
|
---|
1171 | {
|
---|
1172 | Assert (FAILED (firstRC));
|
---|
1173 | /* firstErr will restore the error info upon destruction */
|
---|
1174 | return firstRC;
|
---|
1175 | }
|
---|
1176 |
|
---|
1177 | /* There was no exact extension match; chances are high that an error we
|
---|
1178 | * got after probing is useless. Use a generic error message instead. */
|
---|
1179 |
|
---|
1180 | firstErr.forget();
|
---|
1181 |
|
---|
1182 | return setError (E_FAIL,
|
---|
1183 | tr ("Could not recognize the format of the hard disk '%ls'. "
|
---|
1184 | "Either the given format is not supported or hard disk data "
|
---|
1185 | "is corrupt"),
|
---|
1186 | aLocation);
|
---|
1187 | }
|
---|
1188 |
|
---|
1189 | // protected methods
|
---|
1190 | /////////////////////////////////////////////////////////////////////////////
|
---|
1191 |
|
---|
1192 | /**
|
---|
1193 | * Loads the base settings of the hard disk from the given node, registers
|
---|
1194 | * it and loads and registers all child hard disks as HVirtualDiskImage
|
---|
1195 | * instances.
|
---|
1196 | *
|
---|
1197 | * Subclasses must call this method in their init() or loadSettings() methods
|
---|
1198 | * *after* they load specific parts of data (at least, necessary to let
|
---|
1199 | * toString() function correctly), in order to be properly loaded from the
|
---|
1200 | * settings file and registered.
|
---|
1201 | *
|
---|
1202 | * @param aHDNode <HardDisk> node when #isDifferencing() = false, or
|
---|
1203 | * <DiffHardDisk> node otherwise.
|
---|
1204 | *
|
---|
1205 | * @note
|
---|
1206 | * Must be called from under the object's lock
|
---|
1207 | */
|
---|
1208 | HRESULT HardDisk::loadSettings (const settings::Key &aHDNode)
|
---|
1209 | {
|
---|
1210 | using namespace settings;
|
---|
1211 |
|
---|
1212 | AssertReturn (!aHDNode.isNull(), E_FAIL);
|
---|
1213 |
|
---|
1214 | /* required */
|
---|
1215 | mId = aHDNode.value <Guid> ("uuid");
|
---|
1216 |
|
---|
1217 | if (!isDifferencing())
|
---|
1218 | {
|
---|
1219 | /* type required for <HardDisk> nodes only */
|
---|
1220 | const char *type = aHDNode.stringValue ("type");
|
---|
1221 | if (strcmp (type, "normal") == 0)
|
---|
1222 | mType = HardDiskType_NormalHardDisk;
|
---|
1223 | else if (strcmp (type, "immutable") == 0)
|
---|
1224 | mType = HardDiskType_ImmutableHardDisk;
|
---|
1225 | else if (strcmp (type, "writethrough") == 0)
|
---|
1226 | mType = HardDiskType_WritethroughHardDisk;
|
---|
1227 | else
|
---|
1228 | ComAssertMsgFailedRet (("Invalid hard disk type '%s'\n", type),
|
---|
1229 | E_FAIL);
|
---|
1230 | }
|
---|
1231 | else
|
---|
1232 | mType = HardDiskType_NormalHardDisk;
|
---|
1233 |
|
---|
1234 | HRESULT rc = mVirtualBox->registerHardDisk (this, VirtualBox::RHD_OnStartUp);
|
---|
1235 | CheckComRCReturnRC (rc);
|
---|
1236 |
|
---|
1237 | /* load all children */
|
---|
1238 | Key::List children = aHDNode.keys ("DiffHardDisk");
|
---|
1239 | for (Key::List::const_iterator it = children.begin();
|
---|
1240 | it != children.end(); ++ it)
|
---|
1241 | {
|
---|
1242 | Key vdiNode = (*it).key ("VirtualDiskImage");
|
---|
1243 |
|
---|
1244 | ComObjPtr <HVirtualDiskImage> vdi;
|
---|
1245 | vdi.createObject();
|
---|
1246 | rc = vdi->init (mVirtualBox, this, (*it), vdiNode);
|
---|
1247 | CheckComRCBreakRC (rc);
|
---|
1248 | }
|
---|
1249 |
|
---|
1250 | return rc;
|
---|
1251 | }
|
---|
1252 |
|
---|
1253 | /**
|
---|
1254 | * Saves the base settings of the hard disk to the given node
|
---|
1255 | * and saves all child hard disks as <DiffHardDisk> nodes.
|
---|
1256 | *
|
---|
1257 | * Subclasses must call this method in their saveSettings() methods
|
---|
1258 | * in order to be properly saved to the settings file.
|
---|
1259 | *
|
---|
1260 | * @param aHDNode <HardDisk> node when #isDifferencing() = false, or
|
---|
1261 | * <DiffHardDisk> node otherwise.
|
---|
1262 | *
|
---|
1263 | * @note
|
---|
1264 | * Must be called from under the object's lock
|
---|
1265 | */
|
---|
1266 | HRESULT HardDisk::saveSettings (settings::Key &aHDNode)
|
---|
1267 | {
|
---|
1268 | using namespace settings;
|
---|
1269 |
|
---|
1270 | AssertReturn (!aHDNode.isNull(), E_FAIL);
|
---|
1271 |
|
---|
1272 | /* uuid (required) */
|
---|
1273 | aHDNode.setValue <Guid> ("uuid", mId);
|
---|
1274 |
|
---|
1275 | if (!isDifferencing())
|
---|
1276 | {
|
---|
1277 | /* type (required) */
|
---|
1278 | const char *type = NULL;
|
---|
1279 | switch (mType)
|
---|
1280 | {
|
---|
1281 | case HardDiskType_NormalHardDisk:
|
---|
1282 | type = "normal";
|
---|
1283 | break;
|
---|
1284 | case HardDiskType_ImmutableHardDisk:
|
---|
1285 | type = "immutable";
|
---|
1286 | break;
|
---|
1287 | case HardDiskType_WritethroughHardDisk:
|
---|
1288 | type = "writethrough";
|
---|
1289 | break;
|
---|
1290 | }
|
---|
1291 | aHDNode.setStringValue ("type", type);
|
---|
1292 | }
|
---|
1293 |
|
---|
1294 | /* save all children */
|
---|
1295 | AutoLock chLock (childrenLock());
|
---|
1296 | for (HardDiskList::const_iterator it = children().begin();
|
---|
1297 | it != children().end();
|
---|
1298 | ++ it)
|
---|
1299 | {
|
---|
1300 | ComObjPtr <HardDisk> child = *it;
|
---|
1301 | AutoLock childLock (child);
|
---|
1302 |
|
---|
1303 | Key hdNode = aHDNode.appendKey ("DiffHardDisk");
|
---|
1304 |
|
---|
1305 | {
|
---|
1306 | Key vdiNode = hdNode.createKey ("VirtualDiskImage");
|
---|
1307 | HRESULT rc = child->saveSettings (hdNode, vdiNode);
|
---|
1308 | CheckComRCReturnRC (rc);
|
---|
1309 | }
|
---|
1310 | }
|
---|
1311 |
|
---|
1312 | return S_OK;
|
---|
1313 | }
|
---|
1314 |
|
---|
1315 | ////////////////////////////////////////////////////////////////////////////////
|
---|
1316 | // HVirtualDiskImage class
|
---|
1317 | ////////////////////////////////////////////////////////////////////////////////
|
---|
1318 |
|
---|
1319 | // constructor / destructor
|
---|
1320 | ////////////////////////////////////////////////////////////////////////////////
|
---|
1321 |
|
---|
1322 | HRESULT HVirtualDiskImage::FinalConstruct()
|
---|
1323 | {
|
---|
1324 | HRESULT rc = HardDisk::FinalConstruct();
|
---|
1325 | if (FAILED (rc))
|
---|
1326 | return rc;
|
---|
1327 |
|
---|
1328 | mState = NotCreated;
|
---|
1329 |
|
---|
1330 | mStateCheckSem = NIL_RTSEMEVENTMULTI;
|
---|
1331 | mStateCheckWaiters = 0;
|
---|
1332 |
|
---|
1333 | mSize = 0;
|
---|
1334 | mActualSize = 0;
|
---|
1335 |
|
---|
1336 | return S_OK;
|
---|
1337 | }
|
---|
1338 |
|
---|
1339 | void HVirtualDiskImage::FinalRelease()
|
---|
1340 | {
|
---|
1341 | HardDisk::FinalRelease();
|
---|
1342 | }
|
---|
1343 |
|
---|
1344 | // public initializer/uninitializer for internal purposes only
|
---|
1345 | ////////////////////////////////////////////////////////////////////////////////
|
---|
1346 |
|
---|
1347 | // public methods for internal purposes only
|
---|
1348 | /////////////////////////////////////////////////////////////////////////////
|
---|
1349 |
|
---|
1350 | /**
|
---|
1351 | * Initializes the VDI hard disk object by reading its properties from
|
---|
1352 | * the given configuration node. The created hard disk will be marked as
|
---|
1353 | * registered on success.
|
---|
1354 | *
|
---|
1355 | * @param aHDNode <HardDisk> or <DiffHardDisk> node.
|
---|
1356 | * @param aVDINode <VirtualDiskImage> node.
|
---|
1357 | */
|
---|
1358 | HRESULT HVirtualDiskImage::init (VirtualBox *aVirtualBox, HardDisk *aParent,
|
---|
1359 | const settings::Key &aHDNode,
|
---|
1360 | const settings::Key &aVDINode)
|
---|
1361 | {
|
---|
1362 | using namespace settings;
|
---|
1363 |
|
---|
1364 | LogFlowThisFunc (("\n"));
|
---|
1365 |
|
---|
1366 | AssertReturn (!aHDNode.isNull() && !aVDINode.isNull(), E_FAIL);
|
---|
1367 |
|
---|
1368 | AutoLock alock (this);
|
---|
1369 | ComAssertRet (!isReady(), E_UNEXPECTED);
|
---|
1370 |
|
---|
1371 | mStorageType = HardDiskStorageType_VirtualDiskImage;
|
---|
1372 |
|
---|
1373 | HRESULT rc = S_OK;
|
---|
1374 |
|
---|
1375 | do
|
---|
1376 | {
|
---|
1377 | rc = protectedInit (aVirtualBox, aParent);
|
---|
1378 | CheckComRCBreakRC (rc);
|
---|
1379 |
|
---|
1380 | /* set ready to let protectedUninit() be called on failure */
|
---|
1381 | setReady (true);
|
---|
1382 |
|
---|
1383 | /* filePath (required) */
|
---|
1384 | Bstr filePath = aVDINode.stringValue ("filePath");
|
---|
1385 | rc = setFilePath (filePath);
|
---|
1386 | CheckComRCBreakRC (rc);
|
---|
1387 |
|
---|
1388 | LogFlowThisFunc (("'%ls'\n", mFilePathFull.raw()));
|
---|
1389 |
|
---|
1390 | /* load basic settings and children */
|
---|
1391 | rc = loadSettings (aHDNode);
|
---|
1392 | CheckComRCBreakRC (rc);
|
---|
1393 |
|
---|
1394 | mState = Created;
|
---|
1395 | mRegistered = TRUE;
|
---|
1396 |
|
---|
1397 | /* Don't call queryInformation() for registered hard disks to
|
---|
1398 | * prevent the calling thread (i.e. the VirtualBox server startup
|
---|
1399 | * thread) from an unexpected freeze. The vital mId property (UUID)
|
---|
1400 | * is read from the registry file in loadSettings(). To get the rest,
|
---|
1401 | * the user will have to call COMGETTER(Accessible) manually. */
|
---|
1402 | }
|
---|
1403 | while (0);
|
---|
1404 |
|
---|
1405 | if (FAILED (rc))
|
---|
1406 | uninit();
|
---|
1407 |
|
---|
1408 | return rc;
|
---|
1409 | }
|
---|
1410 |
|
---|
1411 | /**
|
---|
1412 | * Initializes the VDI hard disk object using the given image file name.
|
---|
1413 | *
|
---|
1414 | * @param aVirtualBox VirtualBox parent.
|
---|
1415 | * @param aParent Parent hard disk.
|
---|
1416 | * @param aFilePath Path to the image file, or @c NULL to create an
|
---|
1417 | * image-less object.
|
---|
1418 | * @param aRegistered Whether to mark this disk as registered or not
|
---|
1419 | * (ignored when @a aFilePath is @c NULL, assuming @c FALSE)
|
---|
1420 | */
|
---|
1421 | HRESULT HVirtualDiskImage::init (VirtualBox *aVirtualBox, HardDisk *aParent,
|
---|
1422 | const BSTR aFilePath, BOOL aRegistered /* = FALSE */)
|
---|
1423 | {
|
---|
1424 | LogFlowThisFunc (("aFilePath='%ls', aRegistered=%d\n",
|
---|
1425 | aFilePath, aRegistered));
|
---|
1426 |
|
---|
1427 | AutoLock alock (this);
|
---|
1428 | ComAssertRet (!isReady(), E_UNEXPECTED);
|
---|
1429 |
|
---|
1430 | mStorageType = HardDiskStorageType_VirtualDiskImage;
|
---|
1431 |
|
---|
1432 | HRESULT rc = S_OK;
|
---|
1433 |
|
---|
1434 | do
|
---|
1435 | {
|
---|
1436 | rc = protectedInit (aVirtualBox, aParent);
|
---|
1437 | CheckComRCBreakRC (rc);
|
---|
1438 |
|
---|
1439 | /* set ready to let protectedUninit() be called on failure */
|
---|
1440 | setReady (true);
|
---|
1441 |
|
---|
1442 | rc = setFilePath (aFilePath);
|
---|
1443 | CheckComRCBreakRC (rc);
|
---|
1444 |
|
---|
1445 | Assert (mId.isEmpty());
|
---|
1446 |
|
---|
1447 | if (aFilePath && *aFilePath)
|
---|
1448 | {
|
---|
1449 | mRegistered = aRegistered;
|
---|
1450 | mState = Created;
|
---|
1451 |
|
---|
1452 | /* Call queryInformation() anyway (even if it will block), because
|
---|
1453 | * it is the only way to get the UUID of the existing VDI and
|
---|
1454 | * initialize the vital mId property. */
|
---|
1455 | Bstr errMsg;
|
---|
1456 | rc = queryInformation (&errMsg);
|
---|
1457 | if (SUCCEEDED (rc))
|
---|
1458 | {
|
---|
1459 | /* We are constructing a new HVirtualDiskImage object. If there
|
---|
1460 | * is a fatal accessibility error (we cannot read image UUID),
|
---|
1461 | * we have to fail. We do so even on non-fatal errors as well,
|
---|
1462 | * because it's not worth to keep going with the inaccessible
|
---|
1463 | * image from the very beginning (when nothing else depends on
|
---|
1464 | * it yet). */
|
---|
1465 | if (!errMsg.isNull())
|
---|
1466 | rc = setErrorBstr (E_FAIL, errMsg);
|
---|
1467 | }
|
---|
1468 | }
|
---|
1469 | else
|
---|
1470 | {
|
---|
1471 | mRegistered = FALSE;
|
---|
1472 | mState = NotCreated;
|
---|
1473 | mId.create();
|
---|
1474 | }
|
---|
1475 | }
|
---|
1476 | while (0);
|
---|
1477 |
|
---|
1478 | if (FAILED (rc))
|
---|
1479 | uninit();
|
---|
1480 |
|
---|
1481 | return rc;
|
---|
1482 | }
|
---|
1483 |
|
---|
1484 | /**
|
---|
1485 | * Uninitializes the instance and sets the ready flag to FALSE.
|
---|
1486 | * Called either from FinalRelease(), by the parent when it gets destroyed,
|
---|
1487 | * or by a third party when it decides this object is no more valid.
|
---|
1488 | */
|
---|
1489 | void HVirtualDiskImage::uninit()
|
---|
1490 | {
|
---|
1491 | LogFlowThisFunc (("\n"));
|
---|
1492 |
|
---|
1493 | AutoLock alock (this);
|
---|
1494 | if (!isReady())
|
---|
1495 | return;
|
---|
1496 |
|
---|
1497 | HardDisk::protectedUninit (alock);
|
---|
1498 | }
|
---|
1499 |
|
---|
1500 | // IHardDisk properties
|
---|
1501 | ////////////////////////////////////////////////////////////////////////////////
|
---|
1502 |
|
---|
1503 | STDMETHODIMP HVirtualDiskImage::COMGETTER(Description) (BSTR *aDescription)
|
---|
1504 | {
|
---|
1505 | if (!aDescription)
|
---|
1506 | return E_POINTER;
|
---|
1507 |
|
---|
1508 | AutoLock alock (this);
|
---|
1509 | CHECK_READY();
|
---|
1510 |
|
---|
1511 | mDescription.cloneTo (aDescription);
|
---|
1512 | return S_OK;
|
---|
1513 | }
|
---|
1514 |
|
---|
1515 | STDMETHODIMP HVirtualDiskImage::COMSETTER(Description) (INPTR BSTR aDescription)
|
---|
1516 | {
|
---|
1517 | AutoLock alock (this);
|
---|
1518 | CHECK_READY();
|
---|
1519 |
|
---|
1520 | CHECK_BUSY_AND_READERS();
|
---|
1521 |
|
---|
1522 | if (mState >= Created)
|
---|
1523 | {
|
---|
1524 | int vrc = VDISetImageComment (Utf8Str (mFilePathFull), Utf8Str (aDescription));
|
---|
1525 | if (VBOX_FAILURE (vrc))
|
---|
1526 | return setError (E_FAIL,
|
---|
1527 | tr ("Could not change the description of the VDI hard disk '%ls' "
|
---|
1528 | "(%Vrc)"),
|
---|
1529 | toString().raw(), vrc);
|
---|
1530 | }
|
---|
1531 |
|
---|
1532 | mDescription = aDescription;
|
---|
1533 | return S_OK;
|
---|
1534 | }
|
---|
1535 |
|
---|
1536 | STDMETHODIMP HVirtualDiskImage::COMGETTER(Size) (ULONG64 *aSize)
|
---|
1537 | {
|
---|
1538 | if (!aSize)
|
---|
1539 | return E_POINTER;
|
---|
1540 |
|
---|
1541 | AutoLock alock (this);
|
---|
1542 | CHECK_READY();
|
---|
1543 |
|
---|
1544 | /* only a non-differencing image knows the logical size */
|
---|
1545 | if (isDifferencing())
|
---|
1546 | return root()->COMGETTER(Size) (aSize);
|
---|
1547 |
|
---|
1548 | *aSize = mSize;
|
---|
1549 | return S_OK;
|
---|
1550 | }
|
---|
1551 |
|
---|
1552 | STDMETHODIMP HVirtualDiskImage::COMGETTER(ActualSize) (ULONG64 *aActualSize)
|
---|
1553 | {
|
---|
1554 | if (!aActualSize)
|
---|
1555 | return E_POINTER;
|
---|
1556 |
|
---|
1557 | AutoLock alock (this);
|
---|
1558 | CHECK_READY();
|
---|
1559 |
|
---|
1560 | *aActualSize = mActualSize;
|
---|
1561 | return S_OK;
|
---|
1562 | }
|
---|
1563 |
|
---|
1564 | // IVirtualDiskImage properties
|
---|
1565 | ////////////////////////////////////////////////////////////////////////////////
|
---|
1566 |
|
---|
1567 | STDMETHODIMP HVirtualDiskImage::COMGETTER(FilePath) (BSTR *aFilePath)
|
---|
1568 | {
|
---|
1569 | if (!aFilePath)
|
---|
1570 | return E_POINTER;
|
---|
1571 |
|
---|
1572 | AutoLock alock (this);
|
---|
1573 | CHECK_READY();
|
---|
1574 |
|
---|
1575 | mFilePathFull.cloneTo (aFilePath);
|
---|
1576 | return S_OK;
|
---|
1577 | }
|
---|
1578 |
|
---|
1579 | STDMETHODIMP HVirtualDiskImage::COMSETTER(FilePath) (INPTR BSTR aFilePath)
|
---|
1580 | {
|
---|
1581 | AutoLock alock (this);
|
---|
1582 | CHECK_READY();
|
---|
1583 |
|
---|
1584 | if (mState != NotCreated)
|
---|
1585 | return setError (E_ACCESSDENIED,
|
---|
1586 | tr ("Cannot change the file path of the existing hard disk '%ls'"),
|
---|
1587 | toString().raw());
|
---|
1588 |
|
---|
1589 | CHECK_BUSY_AND_READERS();
|
---|
1590 |
|
---|
1591 | /* append the default path if only a name is given */
|
---|
1592 | Bstr path = aFilePath;
|
---|
1593 | if (aFilePath && *aFilePath)
|
---|
1594 | {
|
---|
1595 | Utf8Str fp = aFilePath;
|
---|
1596 | if (!RTPathHavePath (fp))
|
---|
1597 | {
|
---|
1598 | AutoReaderLock propsLock (mVirtualBox->systemProperties());
|
---|
1599 | path = Utf8StrFmt ("%ls%c%s",
|
---|
1600 | mVirtualBox->systemProperties()->defaultVDIFolder().raw(),
|
---|
1601 | RTPATH_DELIMITER,
|
---|
1602 | fp.raw());
|
---|
1603 | }
|
---|
1604 | }
|
---|
1605 |
|
---|
1606 | return setFilePath (path);
|
---|
1607 | }
|
---|
1608 |
|
---|
1609 | STDMETHODIMP HVirtualDiskImage::COMGETTER(Created) (BOOL *aCreated)
|
---|
1610 | {
|
---|
1611 | if (!aCreated)
|
---|
1612 | return E_POINTER;
|
---|
1613 |
|
---|
1614 | AutoLock alock (this);
|
---|
1615 | CHECK_READY();
|
---|
1616 |
|
---|
1617 | *aCreated = mState >= Created;
|
---|
1618 | return S_OK;
|
---|
1619 | }
|
---|
1620 |
|
---|
1621 | // IVirtualDiskImage methods
|
---|
1622 | /////////////////////////////////////////////////////////////////////////////
|
---|
1623 |
|
---|
1624 | STDMETHODIMP HVirtualDiskImage::CreateDynamicImage (ULONG64 aSize, IProgress **aProgress)
|
---|
1625 | {
|
---|
1626 | if (!aProgress)
|
---|
1627 | return E_POINTER;
|
---|
1628 |
|
---|
1629 | AutoLock alock (this);
|
---|
1630 | CHECK_READY();
|
---|
1631 |
|
---|
1632 | return createImage (aSize, TRUE /* aDynamic */, aProgress);
|
---|
1633 | }
|
---|
1634 |
|
---|
1635 | STDMETHODIMP HVirtualDiskImage::CreateFixedImage (ULONG64 aSize, IProgress **aProgress)
|
---|
1636 | {
|
---|
1637 | if (!aProgress)
|
---|
1638 | return E_POINTER;
|
---|
1639 |
|
---|
1640 | AutoLock alock (this);
|
---|
1641 | CHECK_READY();
|
---|
1642 |
|
---|
1643 | return createImage (aSize, FALSE /* aDynamic */, aProgress);
|
---|
1644 | }
|
---|
1645 |
|
---|
1646 | STDMETHODIMP HVirtualDiskImage::DeleteImage()
|
---|
1647 | {
|
---|
1648 | AutoLock alock (this);
|
---|
1649 | CHECK_READY();
|
---|
1650 | CHECK_BUSY_AND_READERS();
|
---|
1651 |
|
---|
1652 | if (mRegistered)
|
---|
1653 | return setError (E_ACCESSDENIED,
|
---|
1654 | tr ("Cannot delete an image of the registered hard disk image '%ls"),
|
---|
1655 | mFilePathFull.raw());
|
---|
1656 | if (mState == NotCreated)
|
---|
1657 | return setError (E_FAIL,
|
---|
1658 | tr ("Hard disk image has been already deleted or never created"));
|
---|
1659 |
|
---|
1660 | HRESULT rc = deleteImage();
|
---|
1661 | CheckComRCReturnRC (rc);
|
---|
1662 |
|
---|
1663 | mState = NotCreated;
|
---|
1664 |
|
---|
1665 | /* reset the fields */
|
---|
1666 | mSize = 0;
|
---|
1667 | mActualSize = 0;
|
---|
1668 |
|
---|
1669 | return S_OK;
|
---|
1670 | }
|
---|
1671 |
|
---|
1672 | // public/protected methods for internal purposes only
|
---|
1673 | /////////////////////////////////////////////////////////////////////////////
|
---|
1674 |
|
---|
1675 | /**
|
---|
1676 | * Attempts to mark the hard disk as registered.
|
---|
1677 | * Only VirtualBox can call this method.
|
---|
1678 | */
|
---|
1679 | HRESULT HVirtualDiskImage::trySetRegistered (BOOL aRegistered)
|
---|
1680 | {
|
---|
1681 | AutoLock alock (this);
|
---|
1682 | CHECK_READY();
|
---|
1683 |
|
---|
1684 | if (aRegistered)
|
---|
1685 | {
|
---|
1686 | if (mState == NotCreated)
|
---|
1687 | return setError (E_FAIL,
|
---|
1688 | tr ("Image file '%ls' is not yet created for this hard disk"),
|
---|
1689 | mFilePathFull.raw());
|
---|
1690 | if (isDifferencing())
|
---|
1691 | return setError (E_FAIL,
|
---|
1692 | tr ("Hard disk '%ls' is differencing and cannot be unregistered "
|
---|
1693 | "explicitly"),
|
---|
1694 | mFilePathFull.raw());
|
---|
1695 | }
|
---|
1696 | else
|
---|
1697 | {
|
---|
1698 | ComAssertRet (mState >= Created, E_FAIL);
|
---|
1699 | }
|
---|
1700 |
|
---|
1701 | return HardDisk::trySetRegistered (aRegistered);
|
---|
1702 | }
|
---|
1703 |
|
---|
1704 | /**
|
---|
1705 | * Checks accessibility of this hard disk image only (w/o parents).
|
---|
1706 | *
|
---|
1707 | * @param aAccessError on output, a null string indicates the hard disk is
|
---|
1708 | * accessible, otherwise contains a message describing
|
---|
1709 | * the reason of inaccessibility.
|
---|
1710 | */
|
---|
1711 | HRESULT HVirtualDiskImage::getAccessible (Bstr &aAccessError)
|
---|
1712 | {
|
---|
1713 | AutoLock alock (this);
|
---|
1714 | CHECK_READY();
|
---|
1715 |
|
---|
1716 | if (mStateCheckSem != NIL_RTSEMEVENTMULTI)
|
---|
1717 | {
|
---|
1718 | /* An accessibility check in progress on some other thread,
|
---|
1719 | * wait for it to finish. */
|
---|
1720 |
|
---|
1721 | ComAssertRet (mStateCheckWaiters != (ULONG) ~0, E_FAIL);
|
---|
1722 | ++ mStateCheckWaiters;
|
---|
1723 | alock.leave();
|
---|
1724 |
|
---|
1725 | int vrc = RTSemEventMultiWait (mStateCheckSem, RT_INDEFINITE_WAIT);
|
---|
1726 |
|
---|
1727 | alock.enter();
|
---|
1728 | AssertReturn (mStateCheckWaiters != 0, E_FAIL);
|
---|
1729 | -- mStateCheckWaiters;
|
---|
1730 | if (mStateCheckWaiters == 0)
|
---|
1731 | {
|
---|
1732 | RTSemEventMultiDestroy (mStateCheckSem);
|
---|
1733 | mStateCheckSem = NIL_RTSEMEVENTMULTI;
|
---|
1734 | }
|
---|
1735 |
|
---|
1736 | AssertRCReturn (vrc, E_FAIL);
|
---|
1737 |
|
---|
1738 | /* don't touch aAccessError, it has been already set */
|
---|
1739 | return S_OK;
|
---|
1740 | }
|
---|
1741 |
|
---|
1742 | /* check the basic accessibility */
|
---|
1743 | HRESULT rc = getBaseAccessible (aAccessError, true /* aCheckBusy */);
|
---|
1744 | if (FAILED (rc) || !aAccessError.isNull())
|
---|
1745 | return rc;
|
---|
1746 |
|
---|
1747 | if (mState >= Created)
|
---|
1748 | {
|
---|
1749 | return queryInformation (&aAccessError);
|
---|
1750 | }
|
---|
1751 |
|
---|
1752 | aAccessError = Utf8StrFmt ("Hard disk image '%ls' is not yet created",
|
---|
1753 | mFilePathFull.raw());
|
---|
1754 | return S_OK;
|
---|
1755 | }
|
---|
1756 |
|
---|
1757 | /**
|
---|
1758 | * Saves hard disk settings to the specified storage node and saves
|
---|
1759 | * all children to the specified hard disk node
|
---|
1760 | *
|
---|
1761 | * @param aHDNode <HardDisk> or <DiffHardDisk> node.
|
---|
1762 | * @param aStorageNode <VirtualDiskImage> node.
|
---|
1763 | */
|
---|
1764 | HRESULT HVirtualDiskImage::saveSettings (settings::Key &aHDNode,
|
---|
1765 | settings::Key &aStorageNode)
|
---|
1766 | {
|
---|
1767 | AssertReturn (!aHDNode.isNull() && !aStorageNode.isNull(), E_FAIL);
|
---|
1768 |
|
---|
1769 | AutoLock alock (this);
|
---|
1770 | CHECK_READY();
|
---|
1771 |
|
---|
1772 | /* filePath (required) */
|
---|
1773 | aStorageNode.setValue <Bstr> ("filePath", mFilePath);
|
---|
1774 |
|
---|
1775 | /* save basic settings and children */
|
---|
1776 | return HardDisk::saveSettings (aHDNode);
|
---|
1777 | }
|
---|
1778 |
|
---|
1779 | /**
|
---|
1780 | * Checks if the given change of \a aOldPath to \a aNewPath affects the path
|
---|
1781 | * of this hard disk and updates it if necessary to reflect the new location.
|
---|
1782 | * Intended to be from HardDisk::updatePaths().
|
---|
1783 | *
|
---|
1784 | * @param aOldPath old path (full)
|
---|
1785 | * @param aNewPath new path (full)
|
---|
1786 | *
|
---|
1787 | * @note Locks this object for writing.
|
---|
1788 | */
|
---|
1789 | void HVirtualDiskImage::updatePath (const char *aOldPath, const char *aNewPath)
|
---|
1790 | {
|
---|
1791 | AssertReturnVoid (aOldPath);
|
---|
1792 | AssertReturnVoid (aNewPath);
|
---|
1793 |
|
---|
1794 | AutoLock alock (this);
|
---|
1795 | AssertReturnVoid (isReady());
|
---|
1796 |
|
---|
1797 | size_t oldPathLen = strlen (aOldPath);
|
---|
1798 |
|
---|
1799 | Utf8Str path = mFilePathFull;
|
---|
1800 | LogFlowThisFunc (("VDI.fullPath={%s}\n", path.raw()));
|
---|
1801 |
|
---|
1802 | if (RTPathStartsWith (path, aOldPath))
|
---|
1803 | {
|
---|
1804 | Utf8Str newPath = Utf8StrFmt ("%s%s", aNewPath,
|
---|
1805 | path.raw() + oldPathLen);
|
---|
1806 | path = newPath;
|
---|
1807 |
|
---|
1808 | mVirtualBox->calculateRelativePath (path, path);
|
---|
1809 |
|
---|
1810 | unconst (mFilePathFull) = newPath;
|
---|
1811 | unconst (mFilePath) = path;
|
---|
1812 |
|
---|
1813 | LogFlowThisFunc (("-> updated: full={%s} short={%s}\n",
|
---|
1814 | newPath.raw(), path.raw()));
|
---|
1815 | }
|
---|
1816 | }
|
---|
1817 |
|
---|
1818 | /**
|
---|
1819 | * Returns the string representation of this hard disk.
|
---|
1820 | * When \a aShort is false, returns the full image file path.
|
---|
1821 | * Otherwise, returns the image file name only.
|
---|
1822 | *
|
---|
1823 | * @param aShort if true, a short representation is returned
|
---|
1824 | */
|
---|
1825 | Bstr HVirtualDiskImage::toString (bool aShort /* = false */)
|
---|
1826 | {
|
---|
1827 | AutoLock alock (this);
|
---|
1828 |
|
---|
1829 | if (!aShort)
|
---|
1830 | return mFilePathFull;
|
---|
1831 | else
|
---|
1832 | {
|
---|
1833 | Utf8Str fname = mFilePathFull;
|
---|
1834 | return RTPathFilename (fname.mutableRaw());
|
---|
1835 | }
|
---|
1836 | }
|
---|
1837 |
|
---|
1838 | /**
|
---|
1839 | * Creates a clone of this hard disk by storing hard disk data in the given
|
---|
1840 | * VDI file.
|
---|
1841 | *
|
---|
1842 | * If the operation fails, @a aDeleteTarget will be set to @c true unless the
|
---|
1843 | * failure happened because the target file already existed.
|
---|
1844 | *
|
---|
1845 | * @param aId UUID to assign to the created image.
|
---|
1846 | * @param aTargetPath VDI file where the cloned image is to be to stored.
|
---|
1847 | * @param aProgress progress object to run during operation.
|
---|
1848 | * @param aDeleteTarget Whether it is recommended to delete target on
|
---|
1849 | * failure or not.
|
---|
1850 | */
|
---|
1851 | HRESULT
|
---|
1852 | HVirtualDiskImage::cloneToImage (const Guid &aId, const Utf8Str &aTargetPath,
|
---|
1853 | Progress *aProgress, bool &aDeleteTarget)
|
---|
1854 | {
|
---|
1855 | /* normally, the target file should be deleted on error */
|
---|
1856 | aDeleteTarget = true;
|
---|
1857 |
|
---|
1858 | AssertReturn (!aId.isEmpty(), E_FAIL);
|
---|
1859 | AssertReturn (!aTargetPath.isNull(), E_FAIL);
|
---|
1860 | AssertReturn (aProgress, E_FAIL);
|
---|
1861 |
|
---|
1862 | AutoLock alock (this);
|
---|
1863 | AssertReturn (isReady(), E_FAIL);
|
---|
1864 |
|
---|
1865 | AssertReturn (isBusy() == false, E_FAIL);
|
---|
1866 |
|
---|
1867 | /// @todo (dmik) cloning of differencing images is not yet supported
|
---|
1868 | AssertReturn (mParent.isNull(), E_FAIL);
|
---|
1869 |
|
---|
1870 | Utf8Str filePathFull = mFilePathFull;
|
---|
1871 |
|
---|
1872 | if (mState == NotCreated)
|
---|
1873 | return setError (E_FAIL,
|
---|
1874 | tr ("Source hard disk image '%s' is not yet created"),
|
---|
1875 | filePathFull.raw());
|
---|
1876 |
|
---|
1877 | addReader();
|
---|
1878 | alock.leave();
|
---|
1879 |
|
---|
1880 | int vrc = VDICopyImage (aTargetPath, filePathFull, NULL,
|
---|
1881 | progressCallback,
|
---|
1882 | static_cast <Progress *> (aProgress));
|
---|
1883 |
|
---|
1884 | alock.enter();
|
---|
1885 | releaseReader();
|
---|
1886 |
|
---|
1887 | /* We don't want to delete existing user files */
|
---|
1888 | if (vrc == VERR_ALREADY_EXISTS)
|
---|
1889 | aDeleteTarget = false;
|
---|
1890 |
|
---|
1891 | if (VBOX_SUCCESS (vrc))
|
---|
1892 | vrc = VDISetImageUUIDs (aTargetPath, aId, NULL, NULL, NULL);
|
---|
1893 |
|
---|
1894 | if (VBOX_FAILURE (vrc))
|
---|
1895 | return setError (E_FAIL,
|
---|
1896 | tr ("Could not copy the hard disk image '%s' to '%s' (%Vrc)"),
|
---|
1897 | filePathFull.raw(), aTargetPath.raw(), vrc);
|
---|
1898 |
|
---|
1899 | return S_OK;
|
---|
1900 | }
|
---|
1901 |
|
---|
1902 | /**
|
---|
1903 | * Creates a new differencing image for this hard disk with the given
|
---|
1904 | * VDI file name.
|
---|
1905 | *
|
---|
1906 | * @param aId UUID to assign to the created image
|
---|
1907 | * @param aTargetPath VDI file where to store the created differencing image
|
---|
1908 | * @param aProgress progress object to run during operation
|
---|
1909 | * (can be NULL)
|
---|
1910 | */
|
---|
1911 | HRESULT
|
---|
1912 | HVirtualDiskImage::createDiffImage (const Guid &aId, const Utf8Str &aTargetPath,
|
---|
1913 | Progress *aProgress)
|
---|
1914 | {
|
---|
1915 | AssertReturn (!aId.isEmpty(), E_FAIL);
|
---|
1916 | AssertReturn (!aTargetPath.isNull(), E_FAIL);
|
---|
1917 |
|
---|
1918 | AutoLock alock (this);
|
---|
1919 | AssertReturn (isReady(), E_FAIL);
|
---|
1920 |
|
---|
1921 | AssertReturn (isBusy() == false, E_FAIL);
|
---|
1922 | AssertReturn (mState >= Created, E_FAIL);
|
---|
1923 |
|
---|
1924 | addReader();
|
---|
1925 | alock.leave();
|
---|
1926 |
|
---|
1927 | int vrc = VDICreateDifferenceImage (aTargetPath, Utf8Str (mFilePathFull),
|
---|
1928 | NULL, aProgress ? progressCallback : NULL,
|
---|
1929 | static_cast <Progress *> (aProgress));
|
---|
1930 | alock.enter();
|
---|
1931 | releaseReader();
|
---|
1932 |
|
---|
1933 | /* update the UUID to correspond to the file name */
|
---|
1934 | if (VBOX_SUCCESS (vrc))
|
---|
1935 | vrc = VDISetImageUUIDs (aTargetPath, aId, NULL, NULL, NULL);
|
---|
1936 |
|
---|
1937 | if (VBOX_FAILURE (vrc))
|
---|
1938 | return setError (E_FAIL,
|
---|
1939 | tr ("Could not create a differencing hard disk '%s' (%Vrc)"),
|
---|
1940 | aTargetPath.raw(), vrc);
|
---|
1941 |
|
---|
1942 | return S_OK;
|
---|
1943 | }
|
---|
1944 |
|
---|
1945 | /**
|
---|
1946 | * Copies the image file of this hard disk to a separate VDI file (with an
|
---|
1947 | * unique creation UUID) and creates a new hard disk object for the copied
|
---|
1948 | * image. The copy will be created as a child of this hard disk's parent
|
---|
1949 | * (so that this hard disk must be a differencing one).
|
---|
1950 | *
|
---|
1951 | * The specified progress object (if not NULL) receives the percentage
|
---|
1952 | * of the operation completion. However, it is responsibility of the caller to
|
---|
1953 | * call Progress::notifyComplete() after this method returns.
|
---|
1954 | *
|
---|
1955 | * @param aFolder folder where to create a copy (must be a full path)
|
---|
1956 | * @param aMachineId machine ID the new hard disk will belong to
|
---|
1957 | * @param aHardDisk resulting hard disk object
|
---|
1958 | * @param aProgress progress object to run during copy operation
|
---|
1959 | * (may be NULL)
|
---|
1960 | *
|
---|
1961 | * @note
|
---|
1962 | * Must be NOT called from under locks of other objects that need external
|
---|
1963 | * access dirung this method execurion!
|
---|
1964 | */
|
---|
1965 | HRESULT
|
---|
1966 | HVirtualDiskImage::cloneDiffImage (const Bstr &aFolder, const Guid &aMachineId,
|
---|
1967 | ComObjPtr <HVirtualDiskImage> &aHardDisk,
|
---|
1968 | Progress *aProgress)
|
---|
1969 | {
|
---|
1970 | AssertReturn (!aFolder.isEmpty() && !aMachineId.isEmpty(),
|
---|
1971 | E_FAIL);
|
---|
1972 |
|
---|
1973 | AutoLock alock (this);
|
---|
1974 | CHECK_READY();
|
---|
1975 |
|
---|
1976 | AssertReturn (!mParent.isNull(), E_FAIL);
|
---|
1977 |
|
---|
1978 | ComAssertRet (isBusy() == false, E_FAIL);
|
---|
1979 | ComAssertRet (mState >= Created, E_FAIL);
|
---|
1980 |
|
---|
1981 | Guid id;
|
---|
1982 | id.create();
|
---|
1983 |
|
---|
1984 | Utf8Str filePathTo = Utf8StrFmt ("%ls%c{%Vuuid}.vdi",
|
---|
1985 | aFolder.raw(), RTPATH_DELIMITER, id.ptr());
|
---|
1986 |
|
---|
1987 | /* try to make the path relative to the vbox home dir */
|
---|
1988 | const char *filePathToRel = filePathTo;
|
---|
1989 | {
|
---|
1990 | const Utf8Str &homeDir = mVirtualBox->homeDir();
|
---|
1991 | if (!strncmp (filePathTo, homeDir, homeDir.length()))
|
---|
1992 | filePathToRel = (filePathToRel + homeDir.length() + 1);
|
---|
1993 | }
|
---|
1994 |
|
---|
1995 | /* first ensure the directory exists */
|
---|
1996 | {
|
---|
1997 | Utf8Str dir = aFolder;
|
---|
1998 | if (!RTDirExists (dir))
|
---|
1999 | {
|
---|
2000 | int vrc = RTDirCreateFullPath (dir, 0777);
|
---|
2001 | if (VBOX_FAILURE (vrc))
|
---|
2002 | {
|
---|
2003 | return setError (E_FAIL,
|
---|
2004 | tr ("Could not create a directory '%s' "
|
---|
2005 | "to store the image file (%Vrc)"),
|
---|
2006 | dir.raw(), vrc);
|
---|
2007 | }
|
---|
2008 | }
|
---|
2009 | }
|
---|
2010 |
|
---|
2011 | Utf8Str filePathFull = mFilePathFull;
|
---|
2012 |
|
---|
2013 | alock.leave();
|
---|
2014 |
|
---|
2015 | int vrc = VDICopyImage (filePathTo, filePathFull, NULL,
|
---|
2016 | progressCallback,
|
---|
2017 | static_cast <Progress *> (aProgress));
|
---|
2018 |
|
---|
2019 | alock.enter();
|
---|
2020 |
|
---|
2021 | /* get modification and parent UUIDs of this image */
|
---|
2022 | RTUUID modUuid, parentUuid, parentModUuid;
|
---|
2023 | if (VBOX_SUCCESS (vrc))
|
---|
2024 | vrc = VDIGetImageUUIDs (filePathFull, NULL, &modUuid,
|
---|
2025 | &parentUuid, &parentModUuid);
|
---|
2026 |
|
---|
2027 | // update the UUID of the copy to correspond to the file name
|
---|
2028 | // and copy all other UUIDs from this image
|
---|
2029 | if (VBOX_SUCCESS (vrc))
|
---|
2030 | vrc = VDISetImageUUIDs (filePathTo, id, &modUuid,
|
---|
2031 | &parentUuid, &parentModUuid);
|
---|
2032 |
|
---|
2033 | if (VBOX_FAILURE (vrc))
|
---|
2034 | return setError (E_FAIL,
|
---|
2035 | tr ("Could not copy the hard disk image '%s' to '%s' (%Vrc)"),
|
---|
2036 | filePathFull.raw(), filePathTo.raw(), vrc);
|
---|
2037 |
|
---|
2038 | ComObjPtr <HVirtualDiskImage> vdi;
|
---|
2039 | vdi.createObject();
|
---|
2040 | HRESULT rc = vdi->init (mVirtualBox, mParent, Bstr (filePathToRel),
|
---|
2041 | TRUE /* aRegistered */);
|
---|
2042 | if (FAILED (rc))
|
---|
2043 | return rc;
|
---|
2044 |
|
---|
2045 | /* associate the created hard disk with the given machine */
|
---|
2046 | vdi->setMachineId (aMachineId);
|
---|
2047 |
|
---|
2048 | rc = mVirtualBox->registerHardDisk (vdi, VirtualBox::RHD_Internal);
|
---|
2049 | if (FAILED (rc))
|
---|
2050 | return rc;
|
---|
2051 |
|
---|
2052 | aHardDisk = vdi;
|
---|
2053 |
|
---|
2054 | return S_OK;
|
---|
2055 | }
|
---|
2056 |
|
---|
2057 | /**
|
---|
2058 | * Merges this child image to its parent image and updates the parent UUID
|
---|
2059 | * of all children of this image (to point to this image's parent).
|
---|
2060 | * It's a responsibility of the caller to unregister and uninitialize
|
---|
2061 | * the merged image on success.
|
---|
2062 | *
|
---|
2063 | * This method is intended to be called on a worker thread (the operation
|
---|
2064 | * can be time consuming).
|
---|
2065 | *
|
---|
2066 | * The specified progress object (if not NULL) receives the percentage
|
---|
2067 | * of the operation completion. However, it is responsibility of the caller to
|
---|
2068 | * call Progress::notifyComplete() after this method returns.
|
---|
2069 | *
|
---|
2070 | * @param aProgress progress object to run during copy operation
|
---|
2071 | * (may be NULL)
|
---|
2072 | *
|
---|
2073 | * @note
|
---|
2074 | * This method expects that both this hard disk and the paret hard disk
|
---|
2075 | * are marked as busy using #setBusyWithChildren() prior to calling it!
|
---|
2076 | * Busy flags of both hard disks will be cleared by this method
|
---|
2077 | * on a successful return. In case of failure, #clearBusyWithChildren()
|
---|
2078 | * must be called on a parent.
|
---|
2079 | *
|
---|
2080 | * @note
|
---|
2081 | * Must be NOT called from under locks of other objects that need external
|
---|
2082 | * access dirung this method execurion!
|
---|
2083 | */
|
---|
2084 | HRESULT HVirtualDiskImage::mergeImageToParent (Progress *aProgress)
|
---|
2085 | {
|
---|
2086 | LogFlowThisFunc (("mFilePathFull='%ls'\n", mFilePathFull.raw()));
|
---|
2087 |
|
---|
2088 | AutoLock alock (this);
|
---|
2089 | CHECK_READY();
|
---|
2090 |
|
---|
2091 | AssertReturn (!mParent.isNull(), E_FAIL);
|
---|
2092 | AutoLock parentLock (mParent);
|
---|
2093 |
|
---|
2094 | ComAssertRet (isBusy() == true, E_FAIL);
|
---|
2095 | ComAssertRet (mParent->isBusy() == true, E_FAIL);
|
---|
2096 |
|
---|
2097 | ComAssertRet (mState >= Created && mParent->asVDI()->mState >= Created, E_FAIL);
|
---|
2098 |
|
---|
2099 | ComAssertMsgRet (mParent->storageType() == HardDiskStorageType_VirtualDiskImage,
|
---|
2100 | ("non VDI storage types are not yet supported!"), E_FAIL);
|
---|
2101 |
|
---|
2102 | parentLock.leave();
|
---|
2103 | alock.leave();
|
---|
2104 |
|
---|
2105 | int vrc = VDIMergeImage (Utf8Str (mFilePathFull),
|
---|
2106 | Utf8Str (mParent->asVDI()->mFilePathFull),
|
---|
2107 | progressCallback,
|
---|
2108 | static_cast <Progress *> (aProgress));
|
---|
2109 | alock.enter();
|
---|
2110 | parentLock.enter();
|
---|
2111 |
|
---|
2112 | if (VBOX_FAILURE (vrc))
|
---|
2113 | return setError (E_FAIL,
|
---|
2114 | tr ("Could not merge the hard disk image '%ls' to "
|
---|
2115 | "its parent image '%ls' (%Vrc)"),
|
---|
2116 | mFilePathFull.raw(), mParent->asVDI()->mFilePathFull.raw(), vrc);
|
---|
2117 |
|
---|
2118 | {
|
---|
2119 | HRESULT rc = S_OK;
|
---|
2120 |
|
---|
2121 | AutoLock chLock (childrenLock());
|
---|
2122 |
|
---|
2123 | for (HardDiskList::const_iterator it = children().begin();
|
---|
2124 | it != children().end(); ++ it)
|
---|
2125 | {
|
---|
2126 | ComObjPtr <HVirtualDiskImage> child = (*it)->asVDI();
|
---|
2127 | AutoLock childLock (child);
|
---|
2128 |
|
---|
2129 | /* reparent the child */
|
---|
2130 | child->mParent = mParent;
|
---|
2131 | if (mParent)
|
---|
2132 | mParent->addDependentChild (child);
|
---|
2133 |
|
---|
2134 | /* change the parent UUID in the image as well */
|
---|
2135 | RTUUID parentUuid, parentModUuid;
|
---|
2136 | vrc = VDIGetImageUUIDs (Utf8Str (mParent->asVDI()->mFilePathFull),
|
---|
2137 | &parentUuid, &parentModUuid, NULL, NULL);
|
---|
2138 | if (VBOX_FAILURE (vrc))
|
---|
2139 | {
|
---|
2140 | rc = setError (E_FAIL,
|
---|
2141 | tr ("Could not access the hard disk image '%ls' (%Vrc)"),
|
---|
2142 | mParent->asVDI()->mFilePathFull.raw(), vrc);
|
---|
2143 | break;
|
---|
2144 | }
|
---|
2145 | ComAssertBreak (mParent->id() == Guid (parentUuid), rc = E_FAIL);
|
---|
2146 | vrc = VDISetImageUUIDs (Utf8Str (child->mFilePathFull),
|
---|
2147 | NULL, NULL, &parentUuid, &parentModUuid);
|
---|
2148 | if (VBOX_FAILURE (vrc))
|
---|
2149 | {
|
---|
2150 | rc = setError (E_FAIL,
|
---|
2151 | tr ("Could not update parent UUID of the hard disk image "
|
---|
2152 | "'%ls' (%Vrc)"),
|
---|
2153 | child->mFilePathFull.raw(), vrc);
|
---|
2154 | break;
|
---|
2155 | }
|
---|
2156 | }
|
---|
2157 |
|
---|
2158 | if (FAILED (rc))
|
---|
2159 | return rc;
|
---|
2160 | }
|
---|
2161 |
|
---|
2162 | /* detach all our children to avoid their uninit in #uninit() */
|
---|
2163 | removeDependentChildren();
|
---|
2164 |
|
---|
2165 | mParent->clearBusy();
|
---|
2166 | clearBusy();
|
---|
2167 |
|
---|
2168 | return S_OK;
|
---|
2169 | }
|
---|
2170 |
|
---|
2171 | /**
|
---|
2172 | * Merges this image to all its child images, updates the parent UUID
|
---|
2173 | * of all children of this image (to point to this image's parent).
|
---|
2174 | * It's a responsibility of the caller to unregister and uninitialize
|
---|
2175 | * the merged image on success.
|
---|
2176 | *
|
---|
2177 | * This method is intended to be called on a worker thread (the operation
|
---|
2178 | * can be time consuming).
|
---|
2179 | *
|
---|
2180 | * The specified progress object (if not NULL) receives the percentage
|
---|
2181 | * of the operation completion. However, it is responsibility of the caller to
|
---|
2182 | * call Progress::notifyComplete() after this method returns.
|
---|
2183 | *
|
---|
2184 | * @param aProgress progress object to run during copy operation
|
---|
2185 | * (may be NULL)
|
---|
2186 | *
|
---|
2187 | * @note
|
---|
2188 | * This method expects that both this hard disk and all children
|
---|
2189 | * are marked as busy using setBusyWithChildren() prior to calling it!
|
---|
2190 | * Busy flags of all affected hard disks will be cleared by this method
|
---|
2191 | * on a successful return. In case of failure, #clearBusyWithChildren()
|
---|
2192 | * must be called for this hard disk.
|
---|
2193 | *
|
---|
2194 | * @note
|
---|
2195 | * Must be NOT called from under locks of other objects that need external
|
---|
2196 | * access dirung this method execurion!
|
---|
2197 | */
|
---|
2198 | HRESULT HVirtualDiskImage::mergeImageToChildren (Progress *aProgress)
|
---|
2199 | {
|
---|
2200 | LogFlowThisFunc (("mFilePathFull='%ls'\n", mFilePathFull.raw()));
|
---|
2201 |
|
---|
2202 | AutoLock alock (this);
|
---|
2203 | CHECK_READY();
|
---|
2204 |
|
---|
2205 | /* this must be a diff image */
|
---|
2206 | AssertReturn (isDifferencing(), E_FAIL);
|
---|
2207 |
|
---|
2208 | ComAssertRet (isBusy() == true, E_FAIL);
|
---|
2209 | ComAssertRet (mState >= Created, E_FAIL);
|
---|
2210 |
|
---|
2211 | ComAssertMsgRet (mParent->storageType() == HardDiskStorageType_VirtualDiskImage,
|
---|
2212 | ("non VDI storage types are not yet supported!"), E_FAIL);
|
---|
2213 |
|
---|
2214 | {
|
---|
2215 | HRESULT rc = S_OK;
|
---|
2216 |
|
---|
2217 | AutoLock chLock (childrenLock());
|
---|
2218 |
|
---|
2219 | /* iterate over a copy since we will modify the list */
|
---|
2220 | HardDiskList list = children();
|
---|
2221 |
|
---|
2222 | for (HardDiskList::const_iterator it = list.begin();
|
---|
2223 | it != list.end(); ++ it)
|
---|
2224 | {
|
---|
2225 | ComObjPtr <HardDisk> hd = *it;
|
---|
2226 | ComObjPtr <HVirtualDiskImage> child = hd->asVDI();
|
---|
2227 | AutoLock childLock (child);
|
---|
2228 |
|
---|
2229 | ComAssertRet (child->isBusy() == true, E_FAIL);
|
---|
2230 | ComAssertBreak (child->mState >= Created, rc = E_FAIL);
|
---|
2231 |
|
---|
2232 | childLock.leave();
|
---|
2233 | alock.leave();
|
---|
2234 |
|
---|
2235 | int vrc = VDIMergeImage (Utf8Str (mFilePathFull),
|
---|
2236 | Utf8Str (child->mFilePathFull),
|
---|
2237 | progressCallback,
|
---|
2238 | static_cast <Progress *> (aProgress));
|
---|
2239 | alock.enter();
|
---|
2240 | childLock.enter();
|
---|
2241 |
|
---|
2242 | if (VBOX_FAILURE (vrc))
|
---|
2243 | {
|
---|
2244 | rc = setError (E_FAIL,
|
---|
2245 | tr ("Could not merge the hard disk image '%ls' to "
|
---|
2246 | "its parent image '%ls' (%Vrc)"),
|
---|
2247 | mFilePathFull.raw(), child->mFilePathFull.raw(), vrc);
|
---|
2248 | break;
|
---|
2249 | }
|
---|
2250 |
|
---|
2251 | /* reparent the child */
|
---|
2252 | child->mParent = mParent;
|
---|
2253 | if (mParent)
|
---|
2254 | mParent->addDependentChild (child);
|
---|
2255 |
|
---|
2256 | /* change the parent UUID in the image as well */
|
---|
2257 | RTUUID parentUuid, parentModUuid;
|
---|
2258 | vrc = VDIGetImageUUIDs (Utf8Str (mParent->asVDI()->mFilePathFull),
|
---|
2259 | &parentUuid, &parentModUuid, NULL, NULL);
|
---|
2260 | if (VBOX_FAILURE (vrc))
|
---|
2261 | {
|
---|
2262 | rc = setError (E_FAIL,
|
---|
2263 | tr ("Could not access the hard disk image '%ls' (%Vrc)"),
|
---|
2264 | mParent->asVDI()->mFilePathFull.raw(), vrc);
|
---|
2265 | break;
|
---|
2266 | }
|
---|
2267 | ComAssertBreak (mParent->id() == Guid (parentUuid), rc = E_FAIL);
|
---|
2268 | vrc = VDISetImageUUIDs (Utf8Str (child->mFilePathFull),
|
---|
2269 | NULL, NULL, &parentUuid, &parentModUuid);
|
---|
2270 | if (VBOX_FAILURE (vrc))
|
---|
2271 | {
|
---|
2272 | rc = setError (E_FAIL,
|
---|
2273 | tr ("Could not update parent UUID of the hard disk image "
|
---|
2274 | "'%ls' (%Vrc)"),
|
---|
2275 | child->mFilePathFull.raw(), vrc);
|
---|
2276 | break;
|
---|
2277 | }
|
---|
2278 |
|
---|
2279 | /* detach child to avoid its uninit in #uninit() */
|
---|
2280 | removeDependentChild (child);
|
---|
2281 |
|
---|
2282 | /* remove the busy flag */
|
---|
2283 | child->clearBusy();
|
---|
2284 | }
|
---|
2285 |
|
---|
2286 | if (FAILED (rc))
|
---|
2287 | return rc;
|
---|
2288 | }
|
---|
2289 |
|
---|
2290 | clearBusy();
|
---|
2291 |
|
---|
2292 | return S_OK;
|
---|
2293 | }
|
---|
2294 |
|
---|
2295 | /**
|
---|
2296 | * Deletes and recreates the differencing hard disk image from scratch.
|
---|
2297 | * The file name and UUID remain the same.
|
---|
2298 | */
|
---|
2299 | HRESULT HVirtualDiskImage::wipeOutImage()
|
---|
2300 | {
|
---|
2301 | AutoLock alock (this);
|
---|
2302 | CHECK_READY();
|
---|
2303 |
|
---|
2304 | AssertReturn (isDifferencing(), E_FAIL);
|
---|
2305 | AssertReturn (mRegistered, E_FAIL);
|
---|
2306 | AssertReturn (mState >= Created, E_FAIL);
|
---|
2307 |
|
---|
2308 | ComAssertMsgRet (mParent->storageType() == HardDiskStorageType_VirtualDiskImage,
|
---|
2309 | ("non-VDI storage types are not yet supported!"), E_FAIL);
|
---|
2310 |
|
---|
2311 | Utf8Str filePathFull = mFilePathFull;
|
---|
2312 |
|
---|
2313 | int vrc = RTFileDelete (filePathFull);
|
---|
2314 | if (VBOX_FAILURE (vrc))
|
---|
2315 | return setError (E_FAIL,
|
---|
2316 | tr ("Could not delete the image file '%s' (%Vrc)"),
|
---|
2317 | filePathFull.raw(), vrc);
|
---|
2318 |
|
---|
2319 | vrc = VDICreateDifferenceImage (filePathFull,
|
---|
2320 | Utf8Str (mParent->asVDI()->mFilePathFull),
|
---|
2321 | NULL, NULL, NULL);
|
---|
2322 | /* update the UUID to correspond to the file name */
|
---|
2323 | if (VBOX_SUCCESS (vrc))
|
---|
2324 | vrc = VDISetImageUUIDs (filePathFull, mId, NULL, NULL, NULL);
|
---|
2325 |
|
---|
2326 | if (VBOX_FAILURE (vrc))
|
---|
2327 | return setError (E_FAIL,
|
---|
2328 | tr ("Could not create a differencing hard disk '%s' (%Vrc)"),
|
---|
2329 | filePathFull.raw(), vrc);
|
---|
2330 |
|
---|
2331 | return S_OK;
|
---|
2332 | }
|
---|
2333 |
|
---|
2334 | HRESULT HVirtualDiskImage::deleteImage (bool aIgnoreErrors /* = false */)
|
---|
2335 | {
|
---|
2336 | AutoLock alock (this);
|
---|
2337 | CHECK_READY();
|
---|
2338 |
|
---|
2339 | AssertReturn (!mRegistered, E_FAIL);
|
---|
2340 | AssertReturn (mState >= Created, E_FAIL);
|
---|
2341 |
|
---|
2342 | int vrc = RTFileDelete (Utf8Str (mFilePathFull));
|
---|
2343 | if (VBOX_FAILURE (vrc) && !aIgnoreErrors)
|
---|
2344 | return setError (E_FAIL,
|
---|
2345 | tr ("Could not delete the image file '%ls' (%Vrc)"),
|
---|
2346 | mFilePathFull.raw(), vrc);
|
---|
2347 |
|
---|
2348 | return S_OK;
|
---|
2349 | }
|
---|
2350 |
|
---|
2351 | // private methods
|
---|
2352 | /////////////////////////////////////////////////////////////////////////////
|
---|
2353 |
|
---|
2354 | /**
|
---|
2355 | * Helper to set a new file path.
|
---|
2356 | * Resolves a path relatively to the Virtual Box home directory.
|
---|
2357 | *
|
---|
2358 | * @note
|
---|
2359 | * Must be called from under the object's lock!
|
---|
2360 | */
|
---|
2361 | HRESULT HVirtualDiskImage::setFilePath (const BSTR aFilePath)
|
---|
2362 | {
|
---|
2363 | if (aFilePath && *aFilePath)
|
---|
2364 | {
|
---|
2365 | /* get the full file name */
|
---|
2366 | char filePathFull [RTPATH_MAX];
|
---|
2367 | int vrc = RTPathAbsEx (mVirtualBox->homeDir(), Utf8Str (aFilePath),
|
---|
2368 | filePathFull, sizeof (filePathFull));
|
---|
2369 | if (VBOX_FAILURE (vrc))
|
---|
2370 | return setError (E_FAIL,
|
---|
2371 | tr ("Invalid image file path '%ls' (%Vrc)"), aFilePath, vrc);
|
---|
2372 |
|
---|
2373 | mFilePath = aFilePath;
|
---|
2374 | mFilePathFull = filePathFull;
|
---|
2375 | }
|
---|
2376 | else
|
---|
2377 | {
|
---|
2378 | mFilePath.setNull();
|
---|
2379 | mFilePathFull.setNull();
|
---|
2380 | }
|
---|
2381 |
|
---|
2382 | return S_OK;
|
---|
2383 | }
|
---|
2384 |
|
---|
2385 | /**
|
---|
2386 | * Helper to query information about the VDI hard disk.
|
---|
2387 | *
|
---|
2388 | * @param aAccessError not used when NULL, otherwise see #getAccessible()
|
---|
2389 | *
|
---|
2390 | * @note Must be called from under the object's lock, only after
|
---|
2391 | * CHECK_BUSY_AND_READERS() succeeds.
|
---|
2392 | */
|
---|
2393 | HRESULT HVirtualDiskImage::queryInformation (Bstr *aAccessError)
|
---|
2394 | {
|
---|
2395 | AssertReturn (isLockedOnCurrentThread(), E_FAIL);
|
---|
2396 |
|
---|
2397 | /* create a lock object to completely release it later */
|
---|
2398 | AutoLock alock (this);
|
---|
2399 |
|
---|
2400 | AssertReturn (mStateCheckWaiters == 0, E_FAIL);
|
---|
2401 |
|
---|
2402 | ComAssertRet (mState >= Created, E_FAIL);
|
---|
2403 |
|
---|
2404 | HRESULT rc = S_OK;
|
---|
2405 | int vrc = VINF_SUCCESS;
|
---|
2406 |
|
---|
2407 | /* lazily create a semaphore */
|
---|
2408 | vrc = RTSemEventMultiCreate (&mStateCheckSem);
|
---|
2409 | ComAssertRCRet (vrc, E_FAIL);
|
---|
2410 |
|
---|
2411 | /* Reference the disk to prevent any concurrent modifications
|
---|
2412 | * after releasing the lock below (to unblock getters before
|
---|
2413 | * a lengthy operation). */
|
---|
2414 | addReader();
|
---|
2415 |
|
---|
2416 | alock.leave();
|
---|
2417 |
|
---|
2418 | /* VBoxVHDD management interface needs to be optimized: we're opening a
|
---|
2419 | * file three times in a raw to get three bits of information. */
|
---|
2420 |
|
---|
2421 | Utf8Str filePath = mFilePathFull;
|
---|
2422 | Bstr errMsg;
|
---|
2423 |
|
---|
2424 | do
|
---|
2425 | {
|
---|
2426 | /* check the image file */
|
---|
2427 | Guid id, parentId;
|
---|
2428 | vrc = VDICheckImage (filePath, NULL, NULL, NULL,
|
---|
2429 | id.ptr(), parentId.ptr(), NULL, 0);
|
---|
2430 |
|
---|
2431 | if (VBOX_FAILURE (vrc))
|
---|
2432 | break;
|
---|
2433 |
|
---|
2434 | if (!mId.isEmpty())
|
---|
2435 | {
|
---|
2436 | /* check that the actual UUID of the image matches the stored UUID */
|
---|
2437 | if (mId != id)
|
---|
2438 | {
|
---|
2439 | errMsg = Utf8StrFmt (
|
---|
2440 | tr ("Actual UUID {%Vuuid} of the hard disk image '%s' doesn't "
|
---|
2441 | "match UUID {%Vuuid} stored in the registry"),
|
---|
2442 | id.ptr(), filePath.raw(), mId.ptr());
|
---|
2443 | break;
|
---|
2444 | }
|
---|
2445 | }
|
---|
2446 | else
|
---|
2447 | {
|
---|
2448 | /* assgn an UUID read from the image file */
|
---|
2449 | mId = id;
|
---|
2450 | }
|
---|
2451 |
|
---|
2452 | if (mParent)
|
---|
2453 | {
|
---|
2454 | /* check parent UUID */
|
---|
2455 | AutoLock parentLock (mParent);
|
---|
2456 | if (mParent->id() != parentId)
|
---|
2457 | {
|
---|
2458 | errMsg = Utf8StrFmt (
|
---|
2459 | tr ("UUID {%Vuuid} of the parent image '%ls' stored in "
|
---|
2460 | "the hard disk image file '%s' doesn't match "
|
---|
2461 | "UUID {%Vuuid} stored in the registry"),
|
---|
2462 | parentId.raw(), mParent->toString().raw(),
|
---|
2463 | filePath.raw(), mParent->id().raw());
|
---|
2464 | break;
|
---|
2465 | }
|
---|
2466 | }
|
---|
2467 | else if (!parentId.isEmpty())
|
---|
2468 | {
|
---|
2469 | errMsg = Utf8StrFmt (
|
---|
2470 | tr ("Hard disk image '%s' is a differencing image that is linked "
|
---|
2471 | "to a hard disk with UUID {%Vuuid} and cannot be used "
|
---|
2472 | "directly as a base hard disk"),
|
---|
2473 | filePath.raw(), parentId.raw());
|
---|
2474 | break;
|
---|
2475 | }
|
---|
2476 |
|
---|
2477 | {
|
---|
2478 | RTFILE file = NIL_RTFILE;
|
---|
2479 | vrc = RTFileOpen (&file, filePath, RTFILE_O_READ);
|
---|
2480 | if (VBOX_SUCCESS (vrc))
|
---|
2481 | {
|
---|
2482 | uint64_t size = 0;
|
---|
2483 | vrc = RTFileGetSize (file, &size);
|
---|
2484 | if (VBOX_SUCCESS (vrc))
|
---|
2485 | mActualSize = size;
|
---|
2486 | RTFileClose (file);
|
---|
2487 | }
|
---|
2488 | if (VBOX_FAILURE (vrc))
|
---|
2489 | break;
|
---|
2490 | }
|
---|
2491 |
|
---|
2492 | if (!mParent)
|
---|
2493 | {
|
---|
2494 | /* query logical size only for non-differencing images */
|
---|
2495 |
|
---|
2496 | PVDIDISK disk = VDIDiskCreate();
|
---|
2497 | vrc = VDIDiskOpenImage (disk, Utf8Str (mFilePathFull),
|
---|
2498 | VDI_OPEN_FLAGS_READONLY);
|
---|
2499 | if (VBOX_SUCCESS (vrc))
|
---|
2500 | {
|
---|
2501 | uint64_t size = VDIDiskGetSize (disk);
|
---|
2502 | /* convert to MBytes */
|
---|
2503 | mSize = size / 1024 / 1024;
|
---|
2504 | }
|
---|
2505 |
|
---|
2506 | VDIDiskDestroy (disk);
|
---|
2507 | if (VBOX_FAILURE (vrc))
|
---|
2508 | break;
|
---|
2509 | }
|
---|
2510 | }
|
---|
2511 | while (0);
|
---|
2512 |
|
---|
2513 | /* enter the lock again */
|
---|
2514 | alock.enter();
|
---|
2515 |
|
---|
2516 | /* remove the reference */
|
---|
2517 | releaseReader();
|
---|
2518 |
|
---|
2519 | if (FAILED (rc) || VBOX_FAILURE (vrc) || !errMsg.isNull())
|
---|
2520 | {
|
---|
2521 | LogWarningFunc (("'%ls' is not accessible "
|
---|
2522 | "(rc=%08X, vrc=%Vrc, errMsg='%ls')\n",
|
---|
2523 | mFilePathFull.raw(), rc, vrc, errMsg.raw()));
|
---|
2524 |
|
---|
2525 | if (aAccessError)
|
---|
2526 | {
|
---|
2527 | if (!errMsg.isNull())
|
---|
2528 | *aAccessError = errMsg;
|
---|
2529 | else if (VBOX_FAILURE (vrc))
|
---|
2530 | *aAccessError = Utf8StrFmt (
|
---|
2531 | tr ("Could not access hard disk image '%ls' (%Vrc)"),
|
---|
2532 | mFilePathFull.raw(), vrc);
|
---|
2533 | }
|
---|
2534 |
|
---|
2535 | /* downgrade to not accessible */
|
---|
2536 | mState = Created;
|
---|
2537 | }
|
---|
2538 | else
|
---|
2539 | {
|
---|
2540 | if (aAccessError)
|
---|
2541 | aAccessError->setNull();
|
---|
2542 |
|
---|
2543 | mState = Accessible;
|
---|
2544 | }
|
---|
2545 |
|
---|
2546 | /* inform waiters if there are any */
|
---|
2547 | if (mStateCheckWaiters > 0)
|
---|
2548 | {
|
---|
2549 | RTSemEventMultiSignal (mStateCheckSem);
|
---|
2550 | }
|
---|
2551 | else
|
---|
2552 | {
|
---|
2553 | /* delete the semaphore ourselves */
|
---|
2554 | RTSemEventMultiDestroy (mStateCheckSem);
|
---|
2555 | mStateCheckSem = NIL_RTSEMEVENTMULTI;
|
---|
2556 | }
|
---|
2557 |
|
---|
2558 | return rc;
|
---|
2559 | }
|
---|
2560 |
|
---|
2561 | /**
|
---|
2562 | * Helper to create hard disk images.
|
---|
2563 | *
|
---|
2564 | * @param aSize size in MB
|
---|
2565 | * @param aDynamic dynamic or fixed image
|
---|
2566 | * @param aProgress address of IProgress pointer to return
|
---|
2567 | */
|
---|
2568 | HRESULT HVirtualDiskImage::createImage (ULONG64 aSize, BOOL aDynamic,
|
---|
2569 | IProgress **aProgress)
|
---|
2570 | {
|
---|
2571 | AutoLock alock (this);
|
---|
2572 |
|
---|
2573 | CHECK_BUSY_AND_READERS();
|
---|
2574 |
|
---|
2575 | if (mState != NotCreated)
|
---|
2576 | return setError (E_ACCESSDENIED,
|
---|
2577 | tr ("Hard disk image '%ls' is already created"),
|
---|
2578 | mFilePathFull.raw());
|
---|
2579 |
|
---|
2580 | if (!mFilePathFull)
|
---|
2581 | return setError (E_ACCESSDENIED,
|
---|
2582 | tr ("Cannot create a hard disk image using an empty (null) file path"),
|
---|
2583 | mFilePathFull.raw());
|
---|
2584 |
|
---|
2585 | /* first ensure the directory exists */
|
---|
2586 | {
|
---|
2587 | Utf8Str imageDir = mFilePathFull;
|
---|
2588 | RTPathStripFilename (imageDir.mutableRaw());
|
---|
2589 | if (!RTDirExists (imageDir))
|
---|
2590 | {
|
---|
2591 | int vrc = RTDirCreateFullPath (imageDir, 0777);
|
---|
2592 | if (VBOX_FAILURE (vrc))
|
---|
2593 | {
|
---|
2594 | return setError (E_FAIL,
|
---|
2595 | tr ("Could not create a directory '%s' "
|
---|
2596 | "to store the image file (%Vrc)"),
|
---|
2597 | imageDir.raw(), vrc);
|
---|
2598 | }
|
---|
2599 | }
|
---|
2600 | }
|
---|
2601 |
|
---|
2602 | /* check whether the given file exists or not */
|
---|
2603 | RTFILE file;
|
---|
2604 | int vrc = RTFileOpen (&file, Utf8Str (mFilePathFull),
|
---|
2605 | RTFILE_O_READ | RTFILE_O_OPEN | RTFILE_O_DENY_NONE);
|
---|
2606 | if (vrc != VERR_FILE_NOT_FOUND)
|
---|
2607 | {
|
---|
2608 | if (VBOX_SUCCESS (vrc))
|
---|
2609 | RTFileClose (file);
|
---|
2610 | switch(vrc)
|
---|
2611 | {
|
---|
2612 | case VINF_SUCCESS:
|
---|
2613 | return setError (E_FAIL,
|
---|
2614 | tr ("Image file '%ls' already exists"),
|
---|
2615 | mFilePathFull.raw());
|
---|
2616 |
|
---|
2617 | default:
|
---|
2618 | return setError(E_FAIL,
|
---|
2619 | tr ("Invalid image file path '%ls' (%Vrc)"),
|
---|
2620 | mFilePathFull.raw(), vrc);
|
---|
2621 | }
|
---|
2622 | }
|
---|
2623 |
|
---|
2624 | /* check VDI size limits */
|
---|
2625 | {
|
---|
2626 | HRESULT rc;
|
---|
2627 | ULONG64 maxVDISize;
|
---|
2628 | ComPtr <ISystemProperties> props;
|
---|
2629 | rc = mVirtualBox->COMGETTER(SystemProperties) (props.asOutParam());
|
---|
2630 | ComAssertComRCRet (rc, E_FAIL);
|
---|
2631 | rc = props->COMGETTER(MaxVDISize) (&maxVDISize);
|
---|
2632 | ComAssertComRCRet (rc, E_FAIL);
|
---|
2633 |
|
---|
2634 | if (aSize < 1 || aSize > maxVDISize)
|
---|
2635 | return setError (E_INVALIDARG,
|
---|
2636 | tr ("Invalid VDI size: %llu MB (must be in range [1, %llu] MB)"),
|
---|
2637 | aSize, maxVDISize);
|
---|
2638 | }
|
---|
2639 |
|
---|
2640 | HRESULT rc;
|
---|
2641 |
|
---|
2642 | /* create a project object */
|
---|
2643 | ComObjPtr <Progress> progress;
|
---|
2644 | progress.createObject();
|
---|
2645 | {
|
---|
2646 | Bstr desc = aDynamic ? tr ("Creating a dynamically expanding hard disk")
|
---|
2647 | : tr ("Creating a fixed-size hard disk");
|
---|
2648 | rc = progress->init (mVirtualBox, static_cast <IVirtualDiskImage *> (this),
|
---|
2649 | desc, FALSE /* aCancelable */);
|
---|
2650 | CheckComRCReturnRC (rc);
|
---|
2651 | }
|
---|
2652 |
|
---|
2653 | /* mark as busy (being created)
|
---|
2654 | * (VDI task thread will unmark it) */
|
---|
2655 | setBusy();
|
---|
2656 |
|
---|
2657 | /* fill in VDI task data */
|
---|
2658 | VDITask *task = new VDITask (aDynamic ? VDITask::CreateDynamic
|
---|
2659 | : VDITask::CreateStatic,
|
---|
2660 | this, progress);
|
---|
2661 | task->size = aSize;
|
---|
2662 | task->size *= 1024 * 1024; /* convert to bytes */
|
---|
2663 |
|
---|
2664 | /* create the hard disk creation thread, pass operation data */
|
---|
2665 | vrc = RTThreadCreate (NULL, VDITaskThread, (void *) task, 0,
|
---|
2666 | RTTHREADTYPE_MAIN_HEAVY_WORKER, 0, "VDITask");
|
---|
2667 | ComAssertMsgRC (vrc, ("Could not create a thread (%Vrc)", vrc));
|
---|
2668 | if (VBOX_FAILURE (vrc))
|
---|
2669 | {
|
---|
2670 | clearBusy();
|
---|
2671 | delete task;
|
---|
2672 | rc = E_FAIL;
|
---|
2673 | }
|
---|
2674 | else
|
---|
2675 | {
|
---|
2676 | /* get one interface for the caller */
|
---|
2677 | progress.queryInterfaceTo (aProgress);
|
---|
2678 | }
|
---|
2679 |
|
---|
2680 | return rc;
|
---|
2681 | }
|
---|
2682 |
|
---|
2683 | /* static */
|
---|
2684 | DECLCALLBACK(int) HVirtualDiskImage::VDITaskThread (RTTHREAD thread, void *pvUser)
|
---|
2685 | {
|
---|
2686 | VDITask *task = static_cast <VDITask *> (pvUser);
|
---|
2687 | AssertReturn (task, VERR_GENERAL_FAILURE);
|
---|
2688 |
|
---|
2689 | LogFlowFunc (("operation=%d, size=%llu\n", task->operation, task->size));
|
---|
2690 |
|
---|
2691 | VDIIMAGETYPE type = (VDIIMAGETYPE) 0;
|
---|
2692 |
|
---|
2693 | switch (task->operation)
|
---|
2694 | {
|
---|
2695 | case VDITask::CreateDynamic: type = VDI_IMAGE_TYPE_NORMAL; break;
|
---|
2696 | case VDITask::CreateStatic: type = VDI_IMAGE_TYPE_FIXED; break;
|
---|
2697 | case VDITask::CloneToImage: break;
|
---|
2698 | default: AssertFailedReturn (VERR_GENERAL_FAILURE); break;
|
---|
2699 | }
|
---|
2700 |
|
---|
2701 | HRESULT rc = S_OK;
|
---|
2702 | Utf8Str errorMsg;
|
---|
2703 |
|
---|
2704 | bool deleteTarget = true;
|
---|
2705 |
|
---|
2706 | if (task->operation == VDITask::CloneToImage)
|
---|
2707 | {
|
---|
2708 | Assert (!task->vdi->id().isEmpty());
|
---|
2709 | /// @todo (dmik) check locks
|
---|
2710 | AutoLock sourceLock (task->source);
|
---|
2711 | rc = task->source->cloneToImage (task->vdi->id(),
|
---|
2712 | Utf8Str (task->vdi->filePathFull()),
|
---|
2713 | task->progress, deleteTarget);
|
---|
2714 |
|
---|
2715 | /* release reader added in HardDisk::CloneToImage() */
|
---|
2716 | task->source->releaseReader();
|
---|
2717 | }
|
---|
2718 | else
|
---|
2719 | {
|
---|
2720 | int vrc = VDICreateBaseImage (Utf8Str (task->vdi->filePathFull()),
|
---|
2721 | type, task->size,
|
---|
2722 | Utf8Str (task->vdi->mDescription),
|
---|
2723 | progressCallback,
|
---|
2724 | static_cast <Progress *> (task->progress));
|
---|
2725 |
|
---|
2726 | /* We don't want to delete existing user files */
|
---|
2727 | if (vrc == VERR_ALREADY_EXISTS)
|
---|
2728 | deleteTarget = false;
|
---|
2729 |
|
---|
2730 | if (VBOX_SUCCESS (vrc) && task->vdi->id())
|
---|
2731 | {
|
---|
2732 | /* we have a non-null UUID, update the created image */
|
---|
2733 | vrc = VDISetImageUUIDs (Utf8Str (task->vdi->filePathFull()),
|
---|
2734 | task->vdi->id().raw(), NULL, NULL, NULL);
|
---|
2735 | }
|
---|
2736 |
|
---|
2737 | if (VBOX_FAILURE (vrc))
|
---|
2738 | {
|
---|
2739 | errorMsg = Utf8StrFmt (
|
---|
2740 | tr ("Falied to create a hard disk image '%ls' (%Vrc)"),
|
---|
2741 | task->vdi->filePathFull().raw(), vrc);
|
---|
2742 | rc = E_FAIL;
|
---|
2743 | }
|
---|
2744 | }
|
---|
2745 |
|
---|
2746 | LogFlowFunc (("rc=%08X\n", rc));
|
---|
2747 |
|
---|
2748 | AutoLock alock (task->vdi);
|
---|
2749 |
|
---|
2750 | /* clear busy set in in HardDisk::CloneToImage() or
|
---|
2751 | * in HVirtualDiskImage::createImage() */
|
---|
2752 | task->vdi->clearBusy();
|
---|
2753 |
|
---|
2754 | if (SUCCEEDED (rc))
|
---|
2755 | {
|
---|
2756 | task->vdi->mState = HVirtualDiskImage::Created;
|
---|
2757 | /* update VDI data fields */
|
---|
2758 | Bstr errMsg;
|
---|
2759 | rc = task->vdi->queryInformation (&errMsg);
|
---|
2760 | /* we want to deliver the access check result to the caller
|
---|
2761 | * immediately, before he calls HardDisk::GetAccssible() himself. */
|
---|
2762 | if (SUCCEEDED (rc) && !errMsg.isNull())
|
---|
2763 | task->progress->notifyCompleteBstr (
|
---|
2764 | E_FAIL, COM_IIDOF (IVirtualDiskImage), getComponentName(),
|
---|
2765 | errMsg);
|
---|
2766 | else
|
---|
2767 | task->progress->notifyComplete (rc);
|
---|
2768 | }
|
---|
2769 | else
|
---|
2770 | {
|
---|
2771 | /* delete the target file so we don't have orphaned files */
|
---|
2772 | if (deleteTarget)
|
---|
2773 | RTFileDelete(Utf8Str (task->vdi->filePathFull()));
|
---|
2774 |
|
---|
2775 | task->vdi->mState = HVirtualDiskImage::NotCreated;
|
---|
2776 | /* complete the progress object */
|
---|
2777 | if (errorMsg)
|
---|
2778 | task->progress->notifyComplete (
|
---|
2779 | E_FAIL, COM_IIDOF (IVirtualDiskImage), getComponentName(),
|
---|
2780 | errorMsg);
|
---|
2781 | else
|
---|
2782 | task->progress->notifyComplete (rc);
|
---|
2783 | }
|
---|
2784 |
|
---|
2785 | delete task;
|
---|
2786 |
|
---|
2787 | return VINF_SUCCESS;
|
---|
2788 | }
|
---|
2789 |
|
---|
2790 | ////////////////////////////////////////////////////////////////////////////////
|
---|
2791 | // HISCSIHardDisk class
|
---|
2792 | ////////////////////////////////////////////////////////////////////////////////
|
---|
2793 |
|
---|
2794 | // constructor / destructor
|
---|
2795 | ////////////////////////////////////////////////////////////////////////////////
|
---|
2796 |
|
---|
2797 | HRESULT HISCSIHardDisk::FinalConstruct()
|
---|
2798 | {
|
---|
2799 | HRESULT rc = HardDisk::FinalConstruct();
|
---|
2800 | if (FAILED (rc))
|
---|
2801 | return rc;
|
---|
2802 |
|
---|
2803 | mSize = 0;
|
---|
2804 | mActualSize = 0;
|
---|
2805 |
|
---|
2806 | mPort = 0;
|
---|
2807 | mLun = 0;
|
---|
2808 |
|
---|
2809 | return S_OK;
|
---|
2810 | }
|
---|
2811 |
|
---|
2812 | void HISCSIHardDisk::FinalRelease()
|
---|
2813 | {
|
---|
2814 | HardDisk::FinalRelease();
|
---|
2815 | }
|
---|
2816 |
|
---|
2817 | // public initializer/uninitializer for internal purposes only
|
---|
2818 | ////////////////////////////////////////////////////////////////////////////////
|
---|
2819 |
|
---|
2820 | // public methods for internal purposes only
|
---|
2821 | /////////////////////////////////////////////////////////////////////////////
|
---|
2822 |
|
---|
2823 | /**
|
---|
2824 | * Initializes the iSCSI hard disk object by reading its properties from
|
---|
2825 | * the given configuration node. The created hard disk will be marked as
|
---|
2826 | * registered on success.
|
---|
2827 | *
|
---|
2828 | * @param aHDNode <HardDisk> node.
|
---|
2829 | * @param aVDINod <ISCSIHardDisk> node.
|
---|
2830 | */
|
---|
2831 | HRESULT HISCSIHardDisk::init (VirtualBox *aVirtualBox,
|
---|
2832 | const settings::Key &aHDNode,
|
---|
2833 | const settings::Key &aISCSINode)
|
---|
2834 | {
|
---|
2835 | using namespace settings;
|
---|
2836 |
|
---|
2837 | LogFlowThisFunc (("\n"));
|
---|
2838 |
|
---|
2839 | AssertReturn (!aHDNode.isNull() && !aISCSINode.isNull(), E_FAIL);
|
---|
2840 |
|
---|
2841 | AutoLock alock (this);
|
---|
2842 | ComAssertRet (!isReady(), E_UNEXPECTED);
|
---|
2843 |
|
---|
2844 | mStorageType = HardDiskStorageType_ISCSIHardDisk;
|
---|
2845 |
|
---|
2846 | HRESULT rc = S_OK;
|
---|
2847 |
|
---|
2848 | do
|
---|
2849 | {
|
---|
2850 | rc = protectedInit (aVirtualBox, NULL);
|
---|
2851 | CheckComRCBreakRC (rc);
|
---|
2852 |
|
---|
2853 | /* set ready to let protectedUninit() be called on failure */
|
---|
2854 | setReady (true);
|
---|
2855 |
|
---|
2856 | /* server (required) */
|
---|
2857 | mServer = aISCSINode.stringValue ("server");
|
---|
2858 | /* target (required) */
|
---|
2859 | mTarget = aISCSINode.stringValue ("target");
|
---|
2860 |
|
---|
2861 | /* port (optional) */
|
---|
2862 | mPort = aISCSINode.value <USHORT> ("port");
|
---|
2863 | /* lun (optional) */
|
---|
2864 | mLun = aISCSINode.value <ULONG64> ("lun");
|
---|
2865 | /* userName (optional) */
|
---|
2866 | mUserName = aISCSINode.stringValue ("userName");
|
---|
2867 | /* password (optional) */
|
---|
2868 | mPassword = aISCSINode.stringValue ("password");
|
---|
2869 |
|
---|
2870 | LogFlowThisFunc (("'iscsi:%ls:%hu@%ls/%ls:%llu'\n",
|
---|
2871 | mServer.raw(), mPort, mUserName.raw(), mTarget.raw(),
|
---|
2872 | mLun));
|
---|
2873 |
|
---|
2874 | /* load basic settings and children */
|
---|
2875 | rc = loadSettings (aHDNode);
|
---|
2876 | CheckComRCBreakRC (rc);
|
---|
2877 |
|
---|
2878 | if (mType != HardDiskType_WritethroughHardDisk)
|
---|
2879 | {
|
---|
2880 | rc = setError (E_FAIL,
|
---|
2881 | tr ("Currently, non-Writethrough iSCSI hard disks are not "
|
---|
2882 | "allowed ('%ls')"),
|
---|
2883 | toString().raw());
|
---|
2884 | break;
|
---|
2885 | }
|
---|
2886 |
|
---|
2887 | mRegistered = TRUE;
|
---|
2888 | }
|
---|
2889 | while (0);
|
---|
2890 |
|
---|
2891 | if (FAILED (rc))
|
---|
2892 | uninit();
|
---|
2893 |
|
---|
2894 | return rc;
|
---|
2895 | }
|
---|
2896 |
|
---|
2897 | /**
|
---|
2898 | * Initializes the iSCSI hard disk object using default values for all
|
---|
2899 | * properties. The created hard disk will NOT be marked as registered.
|
---|
2900 | */
|
---|
2901 | HRESULT HISCSIHardDisk::init (VirtualBox *aVirtualBox)
|
---|
2902 | {
|
---|
2903 | LogFlowThisFunc (("\n"));
|
---|
2904 |
|
---|
2905 | AutoLock alock (this);
|
---|
2906 | ComAssertRet (!isReady(), E_UNEXPECTED);
|
---|
2907 |
|
---|
2908 | mStorageType = HardDiskStorageType_ISCSIHardDisk;
|
---|
2909 |
|
---|
2910 | HRESULT rc = S_OK;
|
---|
2911 |
|
---|
2912 | do
|
---|
2913 | {
|
---|
2914 | rc = protectedInit (aVirtualBox, NULL);
|
---|
2915 | CheckComRCBreakRC (rc);
|
---|
2916 |
|
---|
2917 | /* set ready to let protectedUninit() be called on failure */
|
---|
2918 | setReady (true);
|
---|
2919 |
|
---|
2920 | /* we have to generate a new UUID */
|
---|
2921 | mId.create();
|
---|
2922 | /* currently, all iSCSI hard disks are writethrough */
|
---|
2923 | mType = HardDiskType_WritethroughHardDisk;
|
---|
2924 | mRegistered = FALSE;
|
---|
2925 | }
|
---|
2926 | while (0);
|
---|
2927 |
|
---|
2928 | if (FAILED (rc))
|
---|
2929 | uninit();
|
---|
2930 |
|
---|
2931 | return rc;
|
---|
2932 | }
|
---|
2933 |
|
---|
2934 | /**
|
---|
2935 | * Uninitializes the instance and sets the ready flag to FALSE.
|
---|
2936 | * Called either from FinalRelease(), by the parent when it gets destroyed,
|
---|
2937 | * or by a third party when it decides this object is no more valid.
|
---|
2938 | */
|
---|
2939 | void HISCSIHardDisk::uninit()
|
---|
2940 | {
|
---|
2941 | LogFlowThisFunc (("\n"));
|
---|
2942 |
|
---|
2943 | AutoLock alock (this);
|
---|
2944 | if (!isReady())
|
---|
2945 | return;
|
---|
2946 |
|
---|
2947 | HardDisk::protectedUninit (alock);
|
---|
2948 | }
|
---|
2949 |
|
---|
2950 | // IHardDisk properties
|
---|
2951 | ////////////////////////////////////////////////////////////////////////////////
|
---|
2952 |
|
---|
2953 | STDMETHODIMP HISCSIHardDisk::COMGETTER(Description) (BSTR *aDescription)
|
---|
2954 | {
|
---|
2955 | if (!aDescription)
|
---|
2956 | return E_POINTER;
|
---|
2957 |
|
---|
2958 | AutoLock alock (this);
|
---|
2959 | CHECK_READY();
|
---|
2960 |
|
---|
2961 | mDescription.cloneTo (aDescription);
|
---|
2962 | return S_OK;
|
---|
2963 | }
|
---|
2964 |
|
---|
2965 | STDMETHODIMP HISCSIHardDisk::COMSETTER(Description) (INPTR BSTR aDescription)
|
---|
2966 | {
|
---|
2967 | AutoLock alock (this);
|
---|
2968 | CHECK_READY();
|
---|
2969 |
|
---|
2970 | CHECK_BUSY_AND_READERS();
|
---|
2971 |
|
---|
2972 | if (mDescription != aDescription)
|
---|
2973 | {
|
---|
2974 | mDescription = aDescription;
|
---|
2975 | if (mRegistered)
|
---|
2976 | return mVirtualBox->saveSettings();
|
---|
2977 | }
|
---|
2978 |
|
---|
2979 | return S_OK;
|
---|
2980 | }
|
---|
2981 |
|
---|
2982 | STDMETHODIMP HISCSIHardDisk::COMGETTER(Size) (ULONG64 *aSize)
|
---|
2983 | {
|
---|
2984 | if (!aSize)
|
---|
2985 | return E_POINTER;
|
---|
2986 |
|
---|
2987 | AutoLock alock (this);
|
---|
2988 | CHECK_READY();
|
---|
2989 |
|
---|
2990 | *aSize = mSize;
|
---|
2991 | return S_OK;
|
---|
2992 | }
|
---|
2993 |
|
---|
2994 | STDMETHODIMP HISCSIHardDisk::COMGETTER(ActualSize) (ULONG64 *aActualSize)
|
---|
2995 | {
|
---|
2996 | if (!aActualSize)
|
---|
2997 | return E_POINTER;
|
---|
2998 |
|
---|
2999 | AutoLock alock (this);
|
---|
3000 | CHECK_READY();
|
---|
3001 |
|
---|
3002 | *aActualSize = mActualSize;
|
---|
3003 | return S_OK;
|
---|
3004 | }
|
---|
3005 |
|
---|
3006 | // IISCSIHardDisk properties
|
---|
3007 | ////////////////////////////////////////////////////////////////////////////////
|
---|
3008 |
|
---|
3009 | STDMETHODIMP HISCSIHardDisk::COMGETTER(Server) (BSTR *aServer)
|
---|
3010 | {
|
---|
3011 | if (!aServer)
|
---|
3012 | return E_POINTER;
|
---|
3013 |
|
---|
3014 | AutoLock alock (this);
|
---|
3015 | CHECK_READY();
|
---|
3016 |
|
---|
3017 | mServer.cloneTo (aServer);
|
---|
3018 | return S_OK;
|
---|
3019 | }
|
---|
3020 |
|
---|
3021 | STDMETHODIMP HISCSIHardDisk::COMSETTER(Server) (INPTR BSTR aServer)
|
---|
3022 | {
|
---|
3023 | if (!aServer || !*aServer)
|
---|
3024 | return E_INVALIDARG;
|
---|
3025 |
|
---|
3026 | AutoLock alock (this);
|
---|
3027 | CHECK_READY();
|
---|
3028 |
|
---|
3029 | CHECK_BUSY_AND_READERS();
|
---|
3030 |
|
---|
3031 | if (mServer != aServer)
|
---|
3032 | {
|
---|
3033 | mServer = aServer;
|
---|
3034 | if (mRegistered)
|
---|
3035 | return mVirtualBox->saveSettings();
|
---|
3036 | }
|
---|
3037 |
|
---|
3038 | return S_OK;
|
---|
3039 | }
|
---|
3040 |
|
---|
3041 | STDMETHODIMP HISCSIHardDisk::COMGETTER(Port) (USHORT *aPort)
|
---|
3042 | {
|
---|
3043 | if (!aPort)
|
---|
3044 | return E_POINTER;
|
---|
3045 |
|
---|
3046 | AutoLock alock (this);
|
---|
3047 | CHECK_READY();
|
---|
3048 |
|
---|
3049 | *aPort = mPort;
|
---|
3050 | return S_OK;
|
---|
3051 | }
|
---|
3052 |
|
---|
3053 | STDMETHODIMP HISCSIHardDisk::COMSETTER(Port) (USHORT aPort)
|
---|
3054 | {
|
---|
3055 | AutoLock alock (this);
|
---|
3056 | CHECK_READY();
|
---|
3057 |
|
---|
3058 | CHECK_BUSY_AND_READERS();
|
---|
3059 |
|
---|
3060 | if (mPort != aPort)
|
---|
3061 | {
|
---|
3062 | mPort = aPort;
|
---|
3063 | if (mRegistered)
|
---|
3064 | return mVirtualBox->saveSettings();
|
---|
3065 | }
|
---|
3066 |
|
---|
3067 | return S_OK;
|
---|
3068 | }
|
---|
3069 |
|
---|
3070 | STDMETHODIMP HISCSIHardDisk::COMGETTER(Target) (BSTR *aTarget)
|
---|
3071 | {
|
---|
3072 | if (!aTarget)
|
---|
3073 | return E_POINTER;
|
---|
3074 |
|
---|
3075 | AutoLock alock (this);
|
---|
3076 | CHECK_READY();
|
---|
3077 |
|
---|
3078 | mTarget.cloneTo (aTarget);
|
---|
3079 | return S_OK;
|
---|
3080 | }
|
---|
3081 |
|
---|
3082 | STDMETHODIMP HISCSIHardDisk::COMSETTER(Target) (INPTR BSTR aTarget)
|
---|
3083 | {
|
---|
3084 | if (!aTarget || !*aTarget)
|
---|
3085 | return E_INVALIDARG;
|
---|
3086 |
|
---|
3087 | AutoLock alock (this);
|
---|
3088 | CHECK_READY();
|
---|
3089 |
|
---|
3090 | CHECK_BUSY_AND_READERS();
|
---|
3091 |
|
---|
3092 | if (mTarget != aTarget)
|
---|
3093 | {
|
---|
3094 | mTarget = aTarget;
|
---|
3095 | if (mRegistered)
|
---|
3096 | return mVirtualBox->saveSettings();
|
---|
3097 | }
|
---|
3098 |
|
---|
3099 | return S_OK;
|
---|
3100 | }
|
---|
3101 |
|
---|
3102 | STDMETHODIMP HISCSIHardDisk::COMGETTER(Lun) (ULONG64 *aLun)
|
---|
3103 | {
|
---|
3104 | if (!aLun)
|
---|
3105 | return E_POINTER;
|
---|
3106 |
|
---|
3107 | AutoLock alock (this);
|
---|
3108 | CHECK_READY();
|
---|
3109 |
|
---|
3110 | *aLun = mLun;
|
---|
3111 | return S_OK;
|
---|
3112 | }
|
---|
3113 |
|
---|
3114 | STDMETHODIMP HISCSIHardDisk::COMSETTER(Lun) (ULONG64 aLun)
|
---|
3115 | {
|
---|
3116 | AutoLock alock (this);
|
---|
3117 | CHECK_READY();
|
---|
3118 |
|
---|
3119 | CHECK_BUSY_AND_READERS();
|
---|
3120 |
|
---|
3121 | if (mLun != aLun)
|
---|
3122 | {
|
---|
3123 | mLun = aLun;
|
---|
3124 | if (mRegistered)
|
---|
3125 | return mVirtualBox->saveSettings();
|
---|
3126 | }
|
---|
3127 |
|
---|
3128 | return S_OK;
|
---|
3129 | }
|
---|
3130 |
|
---|
3131 | STDMETHODIMP HISCSIHardDisk::COMGETTER(UserName) (BSTR *aUserName)
|
---|
3132 | {
|
---|
3133 | if (!aUserName)
|
---|
3134 | return E_POINTER;
|
---|
3135 |
|
---|
3136 | AutoLock alock (this);
|
---|
3137 | CHECK_READY();
|
---|
3138 |
|
---|
3139 | mUserName.cloneTo (aUserName);
|
---|
3140 | return S_OK;
|
---|
3141 | }
|
---|
3142 |
|
---|
3143 | STDMETHODIMP HISCSIHardDisk::COMSETTER(UserName) (INPTR BSTR aUserName)
|
---|
3144 | {
|
---|
3145 | AutoLock alock (this);
|
---|
3146 | CHECK_READY();
|
---|
3147 |
|
---|
3148 | CHECK_BUSY_AND_READERS();
|
---|
3149 |
|
---|
3150 | if (mUserName != aUserName)
|
---|
3151 | {
|
---|
3152 | mUserName = aUserName;
|
---|
3153 | if (mRegistered)
|
---|
3154 | return mVirtualBox->saveSettings();
|
---|
3155 | }
|
---|
3156 |
|
---|
3157 | return S_OK;
|
---|
3158 | }
|
---|
3159 |
|
---|
3160 | STDMETHODIMP HISCSIHardDisk::COMGETTER(Password) (BSTR *aPassword)
|
---|
3161 | {
|
---|
3162 | if (!aPassword)
|
---|
3163 | return E_POINTER;
|
---|
3164 |
|
---|
3165 | AutoLock alock (this);
|
---|
3166 | CHECK_READY();
|
---|
3167 |
|
---|
3168 | mPassword.cloneTo (aPassword);
|
---|
3169 | return S_OK;
|
---|
3170 | }
|
---|
3171 |
|
---|
3172 | STDMETHODIMP HISCSIHardDisk::COMSETTER(Password) (INPTR BSTR aPassword)
|
---|
3173 | {
|
---|
3174 | AutoLock alock (this);
|
---|
3175 | CHECK_READY();
|
---|
3176 |
|
---|
3177 | CHECK_BUSY_AND_READERS();
|
---|
3178 |
|
---|
3179 | if (mPassword != aPassword)
|
---|
3180 | {
|
---|
3181 | mPassword = aPassword;
|
---|
3182 | if (mRegistered)
|
---|
3183 | return mVirtualBox->saveSettings();
|
---|
3184 | }
|
---|
3185 |
|
---|
3186 | return S_OK;
|
---|
3187 | }
|
---|
3188 |
|
---|
3189 | // public/protected methods for internal purposes only
|
---|
3190 | /////////////////////////////////////////////////////////////////////////////
|
---|
3191 |
|
---|
3192 | /**
|
---|
3193 | * Attempts to mark the hard disk as registered.
|
---|
3194 | * Only VirtualBox can call this method.
|
---|
3195 | */
|
---|
3196 | HRESULT HISCSIHardDisk::trySetRegistered (BOOL aRegistered)
|
---|
3197 | {
|
---|
3198 | AutoLock alock (this);
|
---|
3199 | CHECK_READY();
|
---|
3200 |
|
---|
3201 | if (aRegistered)
|
---|
3202 | {
|
---|
3203 | if (mServer.isEmpty() || mTarget.isEmpty())
|
---|
3204 | return setError (E_FAIL,
|
---|
3205 | tr ("iSCSI Hard disk has no server or target defined"));
|
---|
3206 | }
|
---|
3207 | else
|
---|
3208 | {
|
---|
3209 | }
|
---|
3210 |
|
---|
3211 | return HardDisk::trySetRegistered (aRegistered);
|
---|
3212 | }
|
---|
3213 |
|
---|
3214 | /**
|
---|
3215 | * Checks accessibility of this iSCSI hard disk.
|
---|
3216 | */
|
---|
3217 | HRESULT HISCSIHardDisk::getAccessible (Bstr &aAccessError)
|
---|
3218 | {
|
---|
3219 | AutoLock alock (this);
|
---|
3220 | CHECK_READY();
|
---|
3221 |
|
---|
3222 | /* check the basic accessibility */
|
---|
3223 | HRESULT rc = getBaseAccessible (aAccessError);
|
---|
3224 | if (FAILED (rc) || !aAccessError.isNull())
|
---|
3225 | return rc;
|
---|
3226 |
|
---|
3227 | return queryInformation (aAccessError);
|
---|
3228 | }
|
---|
3229 |
|
---|
3230 | /**
|
---|
3231 | * Saves hard disk settings to the specified storage node and saves
|
---|
3232 | * all children to the specified hard disk node
|
---|
3233 | *
|
---|
3234 | * @param aHDNode <HardDisk>.
|
---|
3235 | * @param aStorageNode <ISCSIHardDisk> node.
|
---|
3236 | */
|
---|
3237 | HRESULT HISCSIHardDisk::saveSettings (settings::Key &aHDNode,
|
---|
3238 | settings::Key &aStorageNode)
|
---|
3239 | {
|
---|
3240 | AssertReturn (!aHDNode.isNull() && !aStorageNode.isNull(), E_FAIL);
|
---|
3241 |
|
---|
3242 | AutoLock alock (this);
|
---|
3243 | CHECK_READY();
|
---|
3244 |
|
---|
3245 | /* server (required) */
|
---|
3246 | aStorageNode.setValue <Bstr> ("server", mServer);
|
---|
3247 | /* target (required) */
|
---|
3248 | aStorageNode.setValue <Bstr> ("target", mTarget);
|
---|
3249 |
|
---|
3250 | /* port (optional, defaults to 0) */
|
---|
3251 | aStorageNode.setValueOr <USHORT> ("port", mPort, 0);
|
---|
3252 | /* lun (optional, force 0x format to conform to XML Schema!) */
|
---|
3253 | aStorageNode.setValueOr <ULONG64> ("lun", mLun, 0, 16);
|
---|
3254 | /* userName (optional) */
|
---|
3255 | aStorageNode.setValueOr <Bstr> ("userName", mUserName, Bstr::Null);
|
---|
3256 | /* password (optional) */
|
---|
3257 | aStorageNode.setValueOr <Bstr> ("password", mPassword, Bstr::Null);
|
---|
3258 |
|
---|
3259 | /* save basic settings and children */
|
---|
3260 | return HardDisk::saveSettings (aHDNode);
|
---|
3261 | }
|
---|
3262 |
|
---|
3263 | /**
|
---|
3264 | * Returns the string representation of this hard disk.
|
---|
3265 | * When \a aShort is false, returns the full image file path.
|
---|
3266 | * Otherwise, returns the image file name only.
|
---|
3267 | *
|
---|
3268 | * @param aShort if true, a short representation is returned
|
---|
3269 | */
|
---|
3270 | Bstr HISCSIHardDisk::toString (bool aShort /* = false */)
|
---|
3271 | {
|
---|
3272 | AutoLock alock (this);
|
---|
3273 |
|
---|
3274 | Bstr str;
|
---|
3275 | if (!aShort)
|
---|
3276 | {
|
---|
3277 | /* the format is iscsi:[<user@>]<server>[:<port>]/<target>[:<lun>] */
|
---|
3278 | str = Utf8StrFmt ("iscsi:%s%ls%s/%ls%s",
|
---|
3279 | !mUserName.isNull() ? Utf8StrFmt ("%ls@", mUserName.raw()).raw() : "",
|
---|
3280 | mServer.raw(),
|
---|
3281 | mPort != 0 ? Utf8StrFmt (":%hu", mPort).raw() : "",
|
---|
3282 | mTarget.raw(),
|
---|
3283 | mLun != 0 ? Utf8StrFmt (":%llu", mLun).raw() : "");
|
---|
3284 | }
|
---|
3285 | else
|
---|
3286 | {
|
---|
3287 | str = Utf8StrFmt ("%ls%s",
|
---|
3288 | mTarget.raw(),
|
---|
3289 | mLun != 0 ? Utf8StrFmt (":%llu", mLun).raw() : "");
|
---|
3290 | }
|
---|
3291 |
|
---|
3292 | return str;
|
---|
3293 | }
|
---|
3294 |
|
---|
3295 | /**
|
---|
3296 | * Creates a clone of this hard disk by storing hard disk data in the given
|
---|
3297 | * VDI file.
|
---|
3298 | *
|
---|
3299 | * If the operation fails, @a aDeleteTarget will be set to @c true unless the
|
---|
3300 | * failure happened because the target file already existed.
|
---|
3301 | *
|
---|
3302 | * @param aId UUID to assign to the created image.
|
---|
3303 | * @param aTargetPath VDI file where the cloned image is to be to stored.
|
---|
3304 | * @param aProgress progress object to run during operation.
|
---|
3305 | * @param aDeleteTarget Whether it is recommended to delete target on
|
---|
3306 | * failure or not.
|
---|
3307 | */
|
---|
3308 | HRESULT
|
---|
3309 | HISCSIHardDisk::cloneToImage (const Guid &aId, const Utf8Str &aTargetPath,
|
---|
3310 | Progress *aProgress, bool &aDeleteTarget)
|
---|
3311 | {
|
---|
3312 | ComAssertMsgFailed (("Not implemented"));
|
---|
3313 | return E_NOTIMPL;
|
---|
3314 |
|
---|
3315 | // AssertReturn (isBusy() == false, E_FAIL);
|
---|
3316 | // addReader();
|
---|
3317 | // releaseReader();
|
---|
3318 | }
|
---|
3319 |
|
---|
3320 | /**
|
---|
3321 | * Creates a new differencing image for this hard disk with the given
|
---|
3322 | * VDI file name.
|
---|
3323 | *
|
---|
3324 | * @param aId UUID to assign to the created image
|
---|
3325 | * @param aTargetPath VDI file where to store the created differencing image
|
---|
3326 | * @param aProgress progress object to run during operation
|
---|
3327 | * (can be NULL)
|
---|
3328 | */
|
---|
3329 | HRESULT
|
---|
3330 | HISCSIHardDisk::createDiffImage (const Guid &aId, const Utf8Str &aTargetPath,
|
---|
3331 | Progress *aProgress)
|
---|
3332 | {
|
---|
3333 | ComAssertMsgFailed (("Not implemented"));
|
---|
3334 | return E_NOTIMPL;
|
---|
3335 |
|
---|
3336 | // AssertReturn (isBusy() == false, E_FAIL);
|
---|
3337 | // addReader();
|
---|
3338 | // releaseReader();
|
---|
3339 | }
|
---|
3340 |
|
---|
3341 | // private methods
|
---|
3342 | /////////////////////////////////////////////////////////////////////////////
|
---|
3343 |
|
---|
3344 | /**
|
---|
3345 | * Helper to query information about the iSCSI hard disk.
|
---|
3346 | *
|
---|
3347 | * @param aAccessError see #getAccessible()
|
---|
3348 | * @note
|
---|
3349 | * Must be called from under the object's lock!
|
---|
3350 | */
|
---|
3351 | HRESULT HISCSIHardDisk::queryInformation (Bstr &aAccessError)
|
---|
3352 | {
|
---|
3353 | /// @todo (dmik) query info about this iSCSI disk,
|
---|
3354 | // set mSize and mActualSize,
|
---|
3355 | // or set aAccessError in case of failure
|
---|
3356 |
|
---|
3357 | aAccessError.setNull();
|
---|
3358 | return S_OK;
|
---|
3359 | }
|
---|
3360 |
|
---|
3361 | ////////////////////////////////////////////////////////////////////////////////
|
---|
3362 | // HVMDKImage class
|
---|
3363 | ////////////////////////////////////////////////////////////////////////////////
|
---|
3364 |
|
---|
3365 | // constructor / destructor
|
---|
3366 | ////////////////////////////////////////////////////////////////////////////////
|
---|
3367 |
|
---|
3368 | HRESULT HVMDKImage::FinalConstruct()
|
---|
3369 | {
|
---|
3370 | HRESULT rc = HardDisk::FinalConstruct();
|
---|
3371 | if (FAILED (rc))
|
---|
3372 | return rc;
|
---|
3373 |
|
---|
3374 | mState = NotCreated;
|
---|
3375 |
|
---|
3376 | mStateCheckSem = NIL_RTSEMEVENTMULTI;
|
---|
3377 | mStateCheckWaiters = 0;
|
---|
3378 |
|
---|
3379 | mSize = 0;
|
---|
3380 | mActualSize = 0;
|
---|
3381 |
|
---|
3382 | /* initialize the container */
|
---|
3383 | int vrc = VDCreate ("VMDK", VDError, this, &mContainer);
|
---|
3384 | ComAssertRCRet (vrc, E_FAIL);
|
---|
3385 |
|
---|
3386 | return S_OK;
|
---|
3387 | }
|
---|
3388 |
|
---|
3389 | void HVMDKImage::FinalRelease()
|
---|
3390 | {
|
---|
3391 | if (mContainer != NULL)
|
---|
3392 | VDDestroy (mContainer);
|
---|
3393 |
|
---|
3394 | HardDisk::FinalRelease();
|
---|
3395 | }
|
---|
3396 |
|
---|
3397 | // public initializer/uninitializer for internal purposes only
|
---|
3398 | ////////////////////////////////////////////////////////////////////////////////
|
---|
3399 |
|
---|
3400 | // public methods for internal purposes only
|
---|
3401 | /////////////////////////////////////////////////////////////////////////////
|
---|
3402 |
|
---|
3403 | /**
|
---|
3404 | * Initializes the VMDK hard disk object by reading its properties from
|
---|
3405 | * the given configuration node. The created hard disk will be marked as
|
---|
3406 | * registered on success.
|
---|
3407 | *
|
---|
3408 | * @param aHDNode <HardDisk> node.
|
---|
3409 | * @param aVMDKNode <VirtualDiskImage> node.
|
---|
3410 | */
|
---|
3411 | HRESULT HVMDKImage::init (VirtualBox *aVirtualBox, HardDisk *aParent,
|
---|
3412 | const settings::Key &aHDNode,
|
---|
3413 | const settings::Key &aVMDKNode)
|
---|
3414 | {
|
---|
3415 | using namespace settings;
|
---|
3416 |
|
---|
3417 | LogFlowThisFunc (("\n"));
|
---|
3418 |
|
---|
3419 | AssertReturn (!aHDNode.isNull() && !aVMDKNode.isNull(), E_FAIL);
|
---|
3420 |
|
---|
3421 | AutoLock alock (this);
|
---|
3422 | ComAssertRet (!isReady(), E_UNEXPECTED);
|
---|
3423 |
|
---|
3424 | mStorageType = HardDiskStorageType_VMDKImage;
|
---|
3425 |
|
---|
3426 | HRESULT rc = S_OK;
|
---|
3427 |
|
---|
3428 | do
|
---|
3429 | {
|
---|
3430 | rc = protectedInit (aVirtualBox, aParent);
|
---|
3431 | CheckComRCBreakRC (rc);
|
---|
3432 |
|
---|
3433 | /* set ready to let protectedUninit() be called on failure */
|
---|
3434 | setReady (true);
|
---|
3435 |
|
---|
3436 | /* filePath (required) */
|
---|
3437 | Bstr filePath = aVMDKNode.stringValue ("filePath");
|
---|
3438 | rc = setFilePath (filePath);
|
---|
3439 | CheckComRCBreakRC (rc);
|
---|
3440 |
|
---|
3441 | LogFlowThisFunc (("'%ls'\n", mFilePathFull.raw()));
|
---|
3442 |
|
---|
3443 | /* load basic settings and children */
|
---|
3444 | rc = loadSettings (aHDNode);
|
---|
3445 | CheckComRCBreakRC (rc);
|
---|
3446 |
|
---|
3447 | if (mType != HardDiskType_WritethroughHardDisk)
|
---|
3448 | {
|
---|
3449 | rc = setError (E_FAIL,
|
---|
3450 | tr ("Currently, non-Writethrough VMDK images are not "
|
---|
3451 | "allowed ('%ls')"),
|
---|
3452 | toString().raw());
|
---|
3453 | break;
|
---|
3454 | }
|
---|
3455 |
|
---|
3456 | mState = Created;
|
---|
3457 | mRegistered = TRUE;
|
---|
3458 |
|
---|
3459 | /* Don't call queryInformation() for registered hard disks to
|
---|
3460 | * prevent the calling thread (i.e. the VirtualBox server startup
|
---|
3461 | * thread) from an unexpected freeze. The vital mId property (UUID)
|
---|
3462 | * is read from the registry file in loadSettings(). To get the rest,
|
---|
3463 | * the user will have to call COMGETTER(Accessible) manually. */
|
---|
3464 | }
|
---|
3465 | while (0);
|
---|
3466 |
|
---|
3467 | if (FAILED (rc))
|
---|
3468 | uninit();
|
---|
3469 |
|
---|
3470 | return rc;
|
---|
3471 | }
|
---|
3472 |
|
---|
3473 | /**
|
---|
3474 | * Initializes the VMDK hard disk object using the given image file name.
|
---|
3475 | *
|
---|
3476 | * @param aVirtualBox VirtualBox parent.
|
---|
3477 | * @param aParent Currently, must always be @c NULL.
|
---|
3478 | * @param aFilePath Path to the image file, or @c NULL to create an
|
---|
3479 | * image-less object.
|
---|
3480 | * @param aRegistered Whether to mark this disk as registered or not
|
---|
3481 | * (ignored when @a aFilePath is @c NULL, assuming @c FALSE)
|
---|
3482 | */
|
---|
3483 | HRESULT HVMDKImage::init (VirtualBox *aVirtualBox, HardDisk *aParent,
|
---|
3484 | const BSTR aFilePath, BOOL aRegistered /* = FALSE */)
|
---|
3485 | {
|
---|
3486 | LogFlowThisFunc (("aFilePath='%ls', aRegistered=%d\n", aFilePath, aRegistered));
|
---|
3487 |
|
---|
3488 | AssertReturn (aParent == NULL, E_FAIL);
|
---|
3489 |
|
---|
3490 | AutoLock alock (this);
|
---|
3491 | ComAssertRet (!isReady(), E_UNEXPECTED);
|
---|
3492 |
|
---|
3493 | mStorageType = HardDiskStorageType_VMDKImage;
|
---|
3494 |
|
---|
3495 | HRESULT rc = S_OK;
|
---|
3496 |
|
---|
3497 | do
|
---|
3498 | {
|
---|
3499 | rc = protectedInit (aVirtualBox, aParent);
|
---|
3500 | CheckComRCBreakRC (rc);
|
---|
3501 |
|
---|
3502 | /* set ready to let protectedUninit() be called on failure */
|
---|
3503 | setReady (true);
|
---|
3504 |
|
---|
3505 | rc = setFilePath (aFilePath);
|
---|
3506 | CheckComRCBreakRC (rc);
|
---|
3507 |
|
---|
3508 | /* currently, all VMDK hard disks are writethrough */
|
---|
3509 | mType = HardDiskType_WritethroughHardDisk;
|
---|
3510 |
|
---|
3511 | Assert (mId.isEmpty());
|
---|
3512 |
|
---|
3513 | if (aFilePath && *aFilePath)
|
---|
3514 | {
|
---|
3515 | mRegistered = aRegistered;
|
---|
3516 | mState = Created;
|
---|
3517 |
|
---|
3518 | /* Call queryInformation() anyway (even if it will block), because
|
---|
3519 | * it is the only way to get the UUID of the existing VDI and
|
---|
3520 | * initialize the vital mId property. */
|
---|
3521 | Bstr errMsg;
|
---|
3522 | rc = queryInformation (&errMsg);
|
---|
3523 | if (SUCCEEDED (rc))
|
---|
3524 | {
|
---|
3525 | /* We are constructing a new HVirtualDiskImage object. If there
|
---|
3526 | * is a fatal accessibility error (we cannot read image UUID),
|
---|
3527 | * we have to fail. We do so even on non-fatal errors as well,
|
---|
3528 | * because it's not worth to keep going with the inaccessible
|
---|
3529 | * image from the very beginning (when nothing else depends on
|
---|
3530 | * it yet). */
|
---|
3531 | if (!errMsg.isNull())
|
---|
3532 | rc = setErrorBstr (E_FAIL, errMsg);
|
---|
3533 | }
|
---|
3534 | }
|
---|
3535 | else
|
---|
3536 | {
|
---|
3537 | mRegistered = FALSE;
|
---|
3538 | mState = NotCreated;
|
---|
3539 | mId.create();
|
---|
3540 | }
|
---|
3541 | }
|
---|
3542 | while (0);
|
---|
3543 |
|
---|
3544 | if (FAILED (rc))
|
---|
3545 | uninit();
|
---|
3546 |
|
---|
3547 | return rc;
|
---|
3548 | }
|
---|
3549 |
|
---|
3550 | /**
|
---|
3551 | * Uninitializes the instance and sets the ready flag to FALSE.
|
---|
3552 | * Called either from FinalRelease(), by the parent when it gets destroyed,
|
---|
3553 | * or by a third party when it decides this object is no more valid.
|
---|
3554 | */
|
---|
3555 | void HVMDKImage::uninit()
|
---|
3556 | {
|
---|
3557 | LogFlowThisFunc (("\n"));
|
---|
3558 |
|
---|
3559 | AutoLock alock (this);
|
---|
3560 | if (!isReady())
|
---|
3561 | return;
|
---|
3562 |
|
---|
3563 | HardDisk::protectedUninit (alock);
|
---|
3564 | }
|
---|
3565 |
|
---|
3566 | // IHardDisk properties
|
---|
3567 | ////////////////////////////////////////////////////////////////////////////////
|
---|
3568 |
|
---|
3569 | STDMETHODIMP HVMDKImage::COMGETTER(Description) (BSTR *aDescription)
|
---|
3570 | {
|
---|
3571 | if (!aDescription)
|
---|
3572 | return E_POINTER;
|
---|
3573 |
|
---|
3574 | AutoLock alock (this);
|
---|
3575 | CHECK_READY();
|
---|
3576 |
|
---|
3577 | mDescription.cloneTo (aDescription);
|
---|
3578 | return S_OK;
|
---|
3579 | }
|
---|
3580 |
|
---|
3581 | STDMETHODIMP HVMDKImage::COMSETTER(Description) (INPTR BSTR aDescription)
|
---|
3582 | {
|
---|
3583 | AutoLock alock (this);
|
---|
3584 | CHECK_READY();
|
---|
3585 |
|
---|
3586 | CHECK_BUSY_AND_READERS();
|
---|
3587 |
|
---|
3588 | return E_NOTIMPL;
|
---|
3589 |
|
---|
3590 | /// @todo (r=dmik) implement
|
---|
3591 | //
|
---|
3592 | // if (mState >= Created)
|
---|
3593 | // {
|
---|
3594 | // int vrc = VDISetImageComment (Utf8Str (mFilePathFull), Utf8Str (aDescription));
|
---|
3595 | // if (VBOX_FAILURE (vrc))
|
---|
3596 | // return setError (E_FAIL,
|
---|
3597 | // tr ("Could not change the description of the VDI hard disk '%ls' "
|
---|
3598 | // "(%Vrc)"),
|
---|
3599 | // toString().raw(), vrc);
|
---|
3600 | // }
|
---|
3601 | //
|
---|
3602 | // mDescription = aDescription;
|
---|
3603 | // return S_OK;
|
---|
3604 | }
|
---|
3605 |
|
---|
3606 | STDMETHODIMP HVMDKImage::COMGETTER(Size) (ULONG64 *aSize)
|
---|
3607 | {
|
---|
3608 | if (!aSize)
|
---|
3609 | return E_POINTER;
|
---|
3610 |
|
---|
3611 | AutoLock alock (this);
|
---|
3612 | CHECK_READY();
|
---|
3613 |
|
---|
3614 | /// @todo (r=dmik) will need this if we add support for differencing VMDKs
|
---|
3615 | //
|
---|
3616 | // /* only a non-differencing image knows the logical size */
|
---|
3617 | // if (isDifferencing())
|
---|
3618 | // return root()->COMGETTER(Size) (aSize);
|
---|
3619 |
|
---|
3620 | *aSize = mSize;
|
---|
3621 | return S_OK;
|
---|
3622 | }
|
---|
3623 |
|
---|
3624 | STDMETHODIMP HVMDKImage::COMGETTER(ActualSize) (ULONG64 *aActualSize)
|
---|
3625 | {
|
---|
3626 | if (!aActualSize)
|
---|
3627 | return E_POINTER;
|
---|
3628 |
|
---|
3629 | AutoLock alock (this);
|
---|
3630 | CHECK_READY();
|
---|
3631 |
|
---|
3632 | *aActualSize = mActualSize;
|
---|
3633 | return S_OK;
|
---|
3634 | }
|
---|
3635 |
|
---|
3636 | // IVirtualDiskImage properties
|
---|
3637 | ////////////////////////////////////////////////////////////////////////////////
|
---|
3638 |
|
---|
3639 | STDMETHODIMP HVMDKImage::COMGETTER(FilePath) (BSTR *aFilePath)
|
---|
3640 | {
|
---|
3641 | if (!aFilePath)
|
---|
3642 | return E_POINTER;
|
---|
3643 |
|
---|
3644 | AutoLock alock (this);
|
---|
3645 | CHECK_READY();
|
---|
3646 |
|
---|
3647 | mFilePathFull.cloneTo (aFilePath);
|
---|
3648 | return S_OK;
|
---|
3649 | }
|
---|
3650 |
|
---|
3651 | STDMETHODIMP HVMDKImage::COMSETTER(FilePath) (INPTR BSTR aFilePath)
|
---|
3652 | {
|
---|
3653 | AutoLock alock (this);
|
---|
3654 | CHECK_READY();
|
---|
3655 |
|
---|
3656 | if (mState != NotCreated)
|
---|
3657 | return setError (E_ACCESSDENIED,
|
---|
3658 | tr ("Cannot change the file path of the existing hard disk '%ls'"),
|
---|
3659 | toString().raw());
|
---|
3660 |
|
---|
3661 | CHECK_BUSY_AND_READERS();
|
---|
3662 |
|
---|
3663 | /* append the default path if only a name is given */
|
---|
3664 | Bstr path = aFilePath;
|
---|
3665 | if (aFilePath && *aFilePath)
|
---|
3666 | {
|
---|
3667 | Utf8Str fp = aFilePath;
|
---|
3668 | if (!RTPathHavePath (fp))
|
---|
3669 | {
|
---|
3670 | AutoReaderLock propsLock (mVirtualBox->systemProperties());
|
---|
3671 | path = Utf8StrFmt ("%ls%c%s",
|
---|
3672 | mVirtualBox->systemProperties()->defaultVDIFolder().raw(),
|
---|
3673 | RTPATH_DELIMITER,
|
---|
3674 | fp.raw());
|
---|
3675 | }
|
---|
3676 | }
|
---|
3677 |
|
---|
3678 | return setFilePath (path);
|
---|
3679 | }
|
---|
3680 |
|
---|
3681 | STDMETHODIMP HVMDKImage::COMGETTER(Created) (BOOL *aCreated)
|
---|
3682 | {
|
---|
3683 | if (!aCreated)
|
---|
3684 | return E_POINTER;
|
---|
3685 |
|
---|
3686 | AutoLock alock (this);
|
---|
3687 | CHECK_READY();
|
---|
3688 |
|
---|
3689 | *aCreated = mState >= Created;
|
---|
3690 | return S_OK;
|
---|
3691 | }
|
---|
3692 |
|
---|
3693 | // IVMDKImage methods
|
---|
3694 | /////////////////////////////////////////////////////////////////////////////
|
---|
3695 |
|
---|
3696 | STDMETHODIMP HVMDKImage::CreateDynamicImage (ULONG64 aSize, IProgress **aProgress)
|
---|
3697 | {
|
---|
3698 | if (!aProgress)
|
---|
3699 | return E_POINTER;
|
---|
3700 |
|
---|
3701 | AutoLock alock (this);
|
---|
3702 | CHECK_READY();
|
---|
3703 |
|
---|
3704 | return createImage (aSize, TRUE /* aDynamic */, aProgress);
|
---|
3705 | }
|
---|
3706 |
|
---|
3707 | STDMETHODIMP HVMDKImage::CreateFixedImage (ULONG64 aSize, IProgress **aProgress)
|
---|
3708 | {
|
---|
3709 | if (!aProgress)
|
---|
3710 | return E_POINTER;
|
---|
3711 |
|
---|
3712 | AutoLock alock (this);
|
---|
3713 | CHECK_READY();
|
---|
3714 |
|
---|
3715 | return createImage (aSize, FALSE /* aDynamic */, aProgress);
|
---|
3716 | }
|
---|
3717 |
|
---|
3718 | STDMETHODIMP HVMDKImage::DeleteImage()
|
---|
3719 | {
|
---|
3720 | AutoLock alock (this);
|
---|
3721 | CHECK_READY();
|
---|
3722 | CHECK_BUSY_AND_READERS();
|
---|
3723 |
|
---|
3724 | return E_NOTIMPL;
|
---|
3725 |
|
---|
3726 | /// @todo (r=dmik) later
|
---|
3727 | // We will need to parse the file in order to delete all related delta and
|
---|
3728 | // sparse images etc. We may also want to obey the .vmdk.lck file
|
---|
3729 | // which is (as far as I understood) created when the VMware VM is
|
---|
3730 | // running or saved etc.
|
---|
3731 | //
|
---|
3732 | // if (mRegistered)
|
---|
3733 | // return setError (E_ACCESSDENIED,
|
---|
3734 | // tr ("Cannot delete an image of the registered hard disk image '%ls"),
|
---|
3735 | // mFilePathFull.raw());
|
---|
3736 | // if (mState == NotCreated)
|
---|
3737 | // return setError (E_FAIL,
|
---|
3738 | // tr ("Hard disk image has been already deleted or never created"));
|
---|
3739 | //
|
---|
3740 | // int vrc = RTFileDelete (Utf8Str (mFilePathFull));
|
---|
3741 | // if (VBOX_FAILURE (vrc))
|
---|
3742 | // return setError (E_FAIL, tr ("Could not delete the image file '%ls' (%Vrc)"),
|
---|
3743 | // mFilePathFull.raw(), vrc);
|
---|
3744 | //
|
---|
3745 | // mState = NotCreated;
|
---|
3746 | //
|
---|
3747 | // /* reset the fields */
|
---|
3748 | // mSize = 0;
|
---|
3749 | // mActualSize = 0;
|
---|
3750 | //
|
---|
3751 | // return S_OK;
|
---|
3752 | }
|
---|
3753 |
|
---|
3754 | // public/protected methods for internal purposes only
|
---|
3755 | /////////////////////////////////////////////////////////////////////////////
|
---|
3756 |
|
---|
3757 | /**
|
---|
3758 | * Attempts to mark the hard disk as registered.
|
---|
3759 | * Only VirtualBox can call this method.
|
---|
3760 | */
|
---|
3761 | HRESULT HVMDKImage::trySetRegistered (BOOL aRegistered)
|
---|
3762 | {
|
---|
3763 | AutoLock alock (this);
|
---|
3764 | CHECK_READY();
|
---|
3765 |
|
---|
3766 | if (aRegistered)
|
---|
3767 | {
|
---|
3768 | if (mState == NotCreated)
|
---|
3769 | return setError (E_FAIL,
|
---|
3770 | tr ("Image file '%ls' is not yet created for this hard disk"),
|
---|
3771 | mFilePathFull.raw());
|
---|
3772 |
|
---|
3773 | /// @todo (r=dmik) will need this if we add support for differencing VMDKs
|
---|
3774 | // if (isDifferencing())
|
---|
3775 | // return setError (E_FAIL,
|
---|
3776 | // tr ("Hard disk '%ls' is differencing and cannot be unregistered "
|
---|
3777 | // "explicitly"),
|
---|
3778 | // mFilePathFull.raw());
|
---|
3779 | }
|
---|
3780 | else
|
---|
3781 | {
|
---|
3782 | ComAssertRet (mState >= Created, E_FAIL);
|
---|
3783 | }
|
---|
3784 |
|
---|
3785 | return HardDisk::trySetRegistered (aRegistered);
|
---|
3786 | }
|
---|
3787 |
|
---|
3788 | /**
|
---|
3789 | * Checks accessibility of this hard disk image only (w/o parents).
|
---|
3790 | *
|
---|
3791 | * @param aAccessError on output, a null string indicates the hard disk is
|
---|
3792 | * accessible, otherwise contains a message describing
|
---|
3793 | * the reason of inaccessibility.
|
---|
3794 | */
|
---|
3795 | HRESULT HVMDKImage::getAccessible (Bstr &aAccessError)
|
---|
3796 | {
|
---|
3797 | AutoLock alock (this);
|
---|
3798 | CHECK_READY();
|
---|
3799 |
|
---|
3800 | if (mStateCheckSem != NIL_RTSEMEVENTMULTI)
|
---|
3801 | {
|
---|
3802 | /* An accessibility check in progress on some other thread,
|
---|
3803 | * wait for it to finish. */
|
---|
3804 |
|
---|
3805 | ComAssertRet (mStateCheckWaiters != (ULONG) ~0, E_FAIL);
|
---|
3806 | ++ mStateCheckWaiters;
|
---|
3807 | alock.leave();
|
---|
3808 |
|
---|
3809 | int vrc = RTSemEventMultiWait (mStateCheckSem, RT_INDEFINITE_WAIT);
|
---|
3810 |
|
---|
3811 | alock.enter();
|
---|
3812 | AssertReturn (mStateCheckWaiters != 0, E_FAIL);
|
---|
3813 | -- mStateCheckWaiters;
|
---|
3814 | if (mStateCheckWaiters == 0)
|
---|
3815 | {
|
---|
3816 | RTSemEventMultiDestroy (mStateCheckSem);
|
---|
3817 | mStateCheckSem = NIL_RTSEMEVENTMULTI;
|
---|
3818 | }
|
---|
3819 |
|
---|
3820 | AssertRCReturn (vrc, E_FAIL);
|
---|
3821 |
|
---|
3822 | /* don't touch aAccessError, it has been already set */
|
---|
3823 | return S_OK;
|
---|
3824 | }
|
---|
3825 |
|
---|
3826 | /* check the basic accessibility */
|
---|
3827 | HRESULT rc = getBaseAccessible (aAccessError, true /* aCheckBusy */);
|
---|
3828 | if (FAILED (rc) || !aAccessError.isNull())
|
---|
3829 | return rc;
|
---|
3830 |
|
---|
3831 | if (mState >= Created)
|
---|
3832 | {
|
---|
3833 | return queryInformation (&aAccessError);
|
---|
3834 | }
|
---|
3835 |
|
---|
3836 | aAccessError = Utf8StrFmt ("Hard disk image '%ls' is not yet created",
|
---|
3837 | mFilePathFull.raw());
|
---|
3838 | return S_OK;
|
---|
3839 | }
|
---|
3840 |
|
---|
3841 | /**
|
---|
3842 | * Saves hard disk settings to the specified storage node and saves
|
---|
3843 | * all children to the specified hard disk node
|
---|
3844 | *
|
---|
3845 | * @param aHDNode <HardDisk> or <DiffHardDisk> node.
|
---|
3846 | * @param aStorageNode <VirtualDiskImage> node.
|
---|
3847 | */
|
---|
3848 | HRESULT HVMDKImage::saveSettings (settings::Key &aHDNode,
|
---|
3849 | settings::Key &aStorageNode)
|
---|
3850 | {
|
---|
3851 | AssertReturn (!aHDNode.isNull() && !aStorageNode.isNull(), E_FAIL);
|
---|
3852 |
|
---|
3853 | AutoLock alock (this);
|
---|
3854 | CHECK_READY();
|
---|
3855 |
|
---|
3856 | /* filePath (required) */
|
---|
3857 | aStorageNode.setValue <Bstr> ("filePath", mFilePath);
|
---|
3858 |
|
---|
3859 | /* save basic settings and children */
|
---|
3860 | return HardDisk::saveSettings (aHDNode);
|
---|
3861 | }
|
---|
3862 |
|
---|
3863 | /**
|
---|
3864 | * Checks if the given change of \a aOldPath to \a aNewPath affects the path
|
---|
3865 | * of this hard disk and updates it if necessary to reflect the new location.
|
---|
3866 | * Intended to be from HardDisk::updatePaths().
|
---|
3867 | *
|
---|
3868 | * @param aOldPath old path (full)
|
---|
3869 | * @param aNewPath new path (full)
|
---|
3870 | *
|
---|
3871 | * @note Locks this object for writing.
|
---|
3872 | */
|
---|
3873 | void HVMDKImage::updatePath (const char *aOldPath, const char *aNewPath)
|
---|
3874 | {
|
---|
3875 | AssertReturnVoid (aOldPath);
|
---|
3876 | AssertReturnVoid (aNewPath);
|
---|
3877 |
|
---|
3878 | AutoLock alock (this);
|
---|
3879 | AssertReturnVoid (isReady());
|
---|
3880 |
|
---|
3881 | size_t oldPathLen = strlen (aOldPath);
|
---|
3882 |
|
---|
3883 | Utf8Str path = mFilePathFull;
|
---|
3884 | LogFlowThisFunc (("VMDK.fullPath={%s}\n", path.raw()));
|
---|
3885 |
|
---|
3886 | if (RTPathStartsWith (path, aOldPath))
|
---|
3887 | {
|
---|
3888 | Utf8Str newPath = Utf8StrFmt ("%s%s", aNewPath,
|
---|
3889 | path.raw() + oldPathLen);
|
---|
3890 | path = newPath;
|
---|
3891 |
|
---|
3892 | mVirtualBox->calculateRelativePath (path, path);
|
---|
3893 |
|
---|
3894 | unconst (mFilePathFull) = newPath;
|
---|
3895 | unconst (mFilePath) = path;
|
---|
3896 |
|
---|
3897 | LogFlowThisFunc (("-> updated: full={%s} short={%s}\n",
|
---|
3898 | newPath.raw(), path.raw()));
|
---|
3899 | }
|
---|
3900 | }
|
---|
3901 |
|
---|
3902 | /**
|
---|
3903 | * Returns the string representation of this hard disk.
|
---|
3904 | * When \a aShort is false, returns the full image file path.
|
---|
3905 | * Otherwise, returns the image file name only.
|
---|
3906 | *
|
---|
3907 | * @param aShort if true, a short representation is returned
|
---|
3908 | */
|
---|
3909 | Bstr HVMDKImage::toString (bool aShort /* = false */)
|
---|
3910 | {
|
---|
3911 | AutoLock alock (this);
|
---|
3912 |
|
---|
3913 | if (!aShort)
|
---|
3914 | return mFilePathFull;
|
---|
3915 | else
|
---|
3916 | {
|
---|
3917 | Utf8Str fname = mFilePathFull;
|
---|
3918 | return RTPathFilename (fname.mutableRaw());
|
---|
3919 | }
|
---|
3920 | }
|
---|
3921 |
|
---|
3922 | /**
|
---|
3923 | * Creates a clone of this hard disk by storing hard disk data in the given
|
---|
3924 | * VDI file.
|
---|
3925 | *
|
---|
3926 | * If the operation fails, @a aDeleteTarget will be set to @c true unless the
|
---|
3927 | * failure happened because the target file already existed.
|
---|
3928 | *
|
---|
3929 | * @param aId UUID to assign to the created image.
|
---|
3930 | * @param aTargetPath VDI file where the cloned image is to be to stored.
|
---|
3931 | * @param aProgress progress object to run during operation.
|
---|
3932 | * @param aDeleteTarget Whether it is recommended to delete target on
|
---|
3933 | * failure or not.
|
---|
3934 | */
|
---|
3935 | HRESULT
|
---|
3936 | HVMDKImage::cloneToImage (const Guid &aId, const Utf8Str &aTargetPath,
|
---|
3937 | Progress *aProgress, bool &aDeleteTarget)
|
---|
3938 | {
|
---|
3939 | ComAssertMsgFailed (("Not implemented"));
|
---|
3940 | return E_NOTIMPL;
|
---|
3941 |
|
---|
3942 | /// @todo (r=dmik) will need this if we add support for differencing VMDKs
|
---|
3943 | // Use code from HVirtualDiskImage::cloneToImage as an example.
|
---|
3944 | }
|
---|
3945 |
|
---|
3946 | /**
|
---|
3947 | * Creates a new differencing image for this hard disk with the given
|
---|
3948 | * VDI file name.
|
---|
3949 | *
|
---|
3950 | * @param aId UUID to assign to the created image
|
---|
3951 | * @param aTargetPath VDI file where to store the created differencing image
|
---|
3952 | * @param aProgress progress object to run during operation
|
---|
3953 | * (can be NULL)
|
---|
3954 | */
|
---|
3955 | HRESULT
|
---|
3956 | HVMDKImage::createDiffImage (const Guid &aId, const Utf8Str &aTargetPath,
|
---|
3957 | Progress *aProgress)
|
---|
3958 | {
|
---|
3959 | ComAssertMsgFailed (("Not implemented"));
|
---|
3960 | return E_NOTIMPL;
|
---|
3961 |
|
---|
3962 | /// @todo (r=dmik) will need this if we add support for differencing VMDKs
|
---|
3963 | // Use code from HVirtualDiskImage::createDiffImage as an example.
|
---|
3964 | }
|
---|
3965 |
|
---|
3966 | // private methods
|
---|
3967 | /////////////////////////////////////////////////////////////////////////////
|
---|
3968 |
|
---|
3969 | /**
|
---|
3970 | * Helper to set a new file path.
|
---|
3971 | * Resolves a path relatively to the Virtual Box home directory.
|
---|
3972 | *
|
---|
3973 | * @note
|
---|
3974 | * Must be called from under the object's lock!
|
---|
3975 | */
|
---|
3976 | HRESULT HVMDKImage::setFilePath (const BSTR aFilePath)
|
---|
3977 | {
|
---|
3978 | if (aFilePath && *aFilePath)
|
---|
3979 | {
|
---|
3980 | /* get the full file name */
|
---|
3981 | char filePathFull [RTPATH_MAX];
|
---|
3982 | int vrc = RTPathAbsEx (mVirtualBox->homeDir(), Utf8Str (aFilePath),
|
---|
3983 | filePathFull, sizeof (filePathFull));
|
---|
3984 | if (VBOX_FAILURE (vrc))
|
---|
3985 | return setError (E_FAIL,
|
---|
3986 | tr ("Invalid image file path '%ls' (%Vrc)"), aFilePath, vrc);
|
---|
3987 |
|
---|
3988 | mFilePath = aFilePath;
|
---|
3989 | mFilePathFull = filePathFull;
|
---|
3990 | }
|
---|
3991 | else
|
---|
3992 | {
|
---|
3993 | mFilePath.setNull();
|
---|
3994 | mFilePathFull.setNull();
|
---|
3995 | }
|
---|
3996 |
|
---|
3997 | return S_OK;
|
---|
3998 | }
|
---|
3999 |
|
---|
4000 | /**
|
---|
4001 | * Helper to query information about the VDI hard disk.
|
---|
4002 | *
|
---|
4003 | * @param aAccessError not used when NULL, otherwise see #getAccessible()
|
---|
4004 | *
|
---|
4005 | * @note Must be called from under the object's lock, only after
|
---|
4006 | * CHECK_BUSY_AND_READERS() succeeds.
|
---|
4007 | */
|
---|
4008 | HRESULT HVMDKImage::queryInformation (Bstr *aAccessError)
|
---|
4009 | {
|
---|
4010 | AssertReturn (isLockedOnCurrentThread(), E_FAIL);
|
---|
4011 |
|
---|
4012 | /* create a lock object to completely release it later */
|
---|
4013 | AutoLock alock (this);
|
---|
4014 |
|
---|
4015 | AssertReturn (mStateCheckWaiters == 0, E_FAIL);
|
---|
4016 |
|
---|
4017 | ComAssertRet (mState >= Created, E_FAIL);
|
---|
4018 |
|
---|
4019 | HRESULT rc = S_OK;
|
---|
4020 | int vrc = VINF_SUCCESS;
|
---|
4021 |
|
---|
4022 | /* lazily create a semaphore */
|
---|
4023 | vrc = RTSemEventMultiCreate (&mStateCheckSem);
|
---|
4024 | ComAssertRCRet (vrc, E_FAIL);
|
---|
4025 |
|
---|
4026 | /* Reference the disk to prevent any concurrent modifications
|
---|
4027 | * after releasing the lock below (to unblock getters before
|
---|
4028 | * a lengthy operation). */
|
---|
4029 | addReader();
|
---|
4030 |
|
---|
4031 | alock.leave();
|
---|
4032 |
|
---|
4033 | /* VBoxVHDD management interface needs to be optimized: we're opening a
|
---|
4034 | * file three times in a raw to get three bits of information. */
|
---|
4035 |
|
---|
4036 | Utf8Str filePath = mFilePathFull;
|
---|
4037 | Bstr errMsg;
|
---|
4038 |
|
---|
4039 | /* reset any previous error report from VDError() */
|
---|
4040 | mLastVDError.setNull();
|
---|
4041 |
|
---|
4042 | do
|
---|
4043 | {
|
---|
4044 | Guid id, parentId;
|
---|
4045 |
|
---|
4046 | /// @todo changed from VD_OPEN_FLAGS_READONLY to VD_OPEN_FLAGS_NORMAL,
|
---|
4047 | /// because otherwise registering a VMDK which so far has no UUID will
|
---|
4048 | /// yield a null UUID. It cannot be added to a VMDK opened readonly,
|
---|
4049 | /// obviously. This of course changes locking behavior, but for now
|
---|
4050 | /// this is acceptable. A better solution needs to be found later.
|
---|
4051 | vrc = VDOpen (mContainer, filePath, VD_OPEN_FLAGS_NORMAL);
|
---|
4052 | if (VBOX_FAILURE (vrc))
|
---|
4053 | break;
|
---|
4054 |
|
---|
4055 | vrc = VDGetUuid (mContainer, 0, id.ptr());
|
---|
4056 | if (VBOX_FAILURE (vrc))
|
---|
4057 | break;
|
---|
4058 | vrc = VDGetParentUuid (mContainer, 0, parentId.ptr());
|
---|
4059 | if (VBOX_FAILURE (vrc))
|
---|
4060 | break;
|
---|
4061 |
|
---|
4062 | if (!mId.isEmpty())
|
---|
4063 | {
|
---|
4064 | /* check that the actual UUID of the image matches the stored UUID */
|
---|
4065 | if (mId != id)
|
---|
4066 | {
|
---|
4067 | errMsg = Utf8StrFmt (
|
---|
4068 | tr ("Actual UUID {%Vuuid} of the hard disk image '%s' doesn't "
|
---|
4069 | "match UUID {%Vuuid} stored in the registry"),
|
---|
4070 | id.ptr(), filePath.raw(), mId.ptr());
|
---|
4071 | break;
|
---|
4072 | }
|
---|
4073 | }
|
---|
4074 | else
|
---|
4075 | {
|
---|
4076 | /* assgn an UUID read from the image file */
|
---|
4077 | mId = id;
|
---|
4078 | }
|
---|
4079 |
|
---|
4080 | if (mParent)
|
---|
4081 | {
|
---|
4082 | /* check parent UUID */
|
---|
4083 | AutoLock parentLock (mParent);
|
---|
4084 | if (mParent->id() != parentId)
|
---|
4085 | {
|
---|
4086 | errMsg = Utf8StrFmt (
|
---|
4087 | tr ("UUID {%Vuuid} of the parent image '%ls' stored in "
|
---|
4088 | "the hard disk image file '%s' doesn't match "
|
---|
4089 | "UUID {%Vuuid} stored in the registry"),
|
---|
4090 | parentId.raw(), mParent->toString().raw(),
|
---|
4091 | filePath.raw(), mParent->id().raw());
|
---|
4092 | break;
|
---|
4093 | }
|
---|
4094 | }
|
---|
4095 | else if (!parentId.isEmpty())
|
---|
4096 | {
|
---|
4097 | errMsg = Utf8StrFmt (
|
---|
4098 | tr ("Hard disk image '%s' is a differencing image that is linked "
|
---|
4099 | "to a hard disk with UUID {%Vuuid} and cannot be used "
|
---|
4100 | "directly as a base hard disk"),
|
---|
4101 | filePath.raw(), parentId.raw());
|
---|
4102 | break;
|
---|
4103 | }
|
---|
4104 |
|
---|
4105 | /* get actual file size */
|
---|
4106 | /// @todo is there a direct method in RT?
|
---|
4107 | {
|
---|
4108 | RTFILE file = NIL_RTFILE;
|
---|
4109 | vrc = RTFileOpen (&file, filePath, RTFILE_O_READ);
|
---|
4110 | if (VBOX_SUCCESS (vrc))
|
---|
4111 | {
|
---|
4112 | uint64_t size = 0;
|
---|
4113 | vrc = RTFileGetSize (file, &size);
|
---|
4114 | if (VBOX_SUCCESS (vrc))
|
---|
4115 | mActualSize = size;
|
---|
4116 | RTFileClose (file);
|
---|
4117 | }
|
---|
4118 | if (VBOX_FAILURE (vrc))
|
---|
4119 | break;
|
---|
4120 | }
|
---|
4121 |
|
---|
4122 | /* query logical size only for non-differencing images */
|
---|
4123 | if (!mParent)
|
---|
4124 | {
|
---|
4125 | uint64_t size = VDGetSize (mContainer, 0);
|
---|
4126 | /* convert to MBytes */
|
---|
4127 | mSize = size / 1024 / 1024;
|
---|
4128 | }
|
---|
4129 | }
|
---|
4130 | while (0);
|
---|
4131 |
|
---|
4132 | VDCloseAll (mContainer);
|
---|
4133 |
|
---|
4134 | /* enter the lock again */
|
---|
4135 | alock.enter();
|
---|
4136 |
|
---|
4137 | /* remove the reference */
|
---|
4138 | releaseReader();
|
---|
4139 |
|
---|
4140 | if (FAILED (rc) || VBOX_FAILURE (vrc) || !errMsg.isNull())
|
---|
4141 | {
|
---|
4142 | LogWarningFunc (("'%ls' is not accessible "
|
---|
4143 | "(rc=%08X, vrc=%Vrc, errMsg='%ls', mLastVDError='%s')\n",
|
---|
4144 | mFilePathFull.raw(), rc, vrc, errMsg.raw(), mLastVDError.raw()));
|
---|
4145 |
|
---|
4146 | if (aAccessError)
|
---|
4147 | {
|
---|
4148 | if (!errMsg.isNull())
|
---|
4149 | *aAccessError = errMsg;
|
---|
4150 | else if (!mLastVDError.isNull())
|
---|
4151 | *aAccessError = mLastVDError;
|
---|
4152 | else if (VBOX_FAILURE (vrc))
|
---|
4153 | *aAccessError = Utf8StrFmt (
|
---|
4154 | tr ("Could not access hard disk image '%ls' (%Vrc)"),
|
---|
4155 | mFilePathFull.raw(), vrc);
|
---|
4156 | }
|
---|
4157 |
|
---|
4158 | /* downgrade to not accessible */
|
---|
4159 | mState = Created;
|
---|
4160 | }
|
---|
4161 | else
|
---|
4162 | {
|
---|
4163 | if (aAccessError)
|
---|
4164 | aAccessError->setNull();
|
---|
4165 |
|
---|
4166 | mState = Accessible;
|
---|
4167 | }
|
---|
4168 |
|
---|
4169 | /* inform waiters if there are any */
|
---|
4170 | if (mStateCheckWaiters > 0)
|
---|
4171 | {
|
---|
4172 | RTSemEventMultiSignal (mStateCheckSem);
|
---|
4173 | }
|
---|
4174 | else
|
---|
4175 | {
|
---|
4176 | /* delete the semaphore ourselves */
|
---|
4177 | RTSemEventMultiDestroy (mStateCheckSem);
|
---|
4178 | mStateCheckSem = NIL_RTSEMEVENTMULTI;
|
---|
4179 | }
|
---|
4180 |
|
---|
4181 | /* cleanup the last error report from VDError() */
|
---|
4182 | mLastVDError.setNull();
|
---|
4183 |
|
---|
4184 | return rc;
|
---|
4185 | }
|
---|
4186 |
|
---|
4187 | /**
|
---|
4188 | * Helper to create hard disk images.
|
---|
4189 | *
|
---|
4190 | * @param aSize size in MB
|
---|
4191 | * @param aDynamic dynamic or fixed image
|
---|
4192 | * @param aProgress address of IProgress pointer to return
|
---|
4193 | */
|
---|
4194 | HRESULT HVMDKImage::createImage (ULONG64 aSize, BOOL aDynamic,
|
---|
4195 | IProgress **aProgress)
|
---|
4196 | {
|
---|
4197 | ComAssertMsgFailed (("Not implemented"));
|
---|
4198 | return E_NOTIMPL;
|
---|
4199 |
|
---|
4200 | /// @todo (r=dmik) later
|
---|
4201 | // Use code from HVirtualDiskImage::createImage as an example.
|
---|
4202 | }
|
---|
4203 |
|
---|
4204 | /* static */
|
---|
4205 | DECLCALLBACK(int) HVMDKImage::VDITaskThread (RTTHREAD thread, void *pvUser)
|
---|
4206 | {
|
---|
4207 | AssertMsgFailed (("Not implemented"));
|
---|
4208 | return VERR_GENERAL_FAILURE;
|
---|
4209 |
|
---|
4210 | /// @todo (r=dmik) later
|
---|
4211 | // Use code from HVirtualDiskImage::VDITaskThread as an example.
|
---|
4212 | }
|
---|
4213 |
|
---|
4214 | /* static */
|
---|
4215 | DECLCALLBACK(void) HVMDKImage::VDError (void *pvUser, int rc, RT_SRC_POS_DECL,
|
---|
4216 | const char *pszFormat, va_list va)
|
---|
4217 | {
|
---|
4218 | HVMDKImage *that = static_cast <HVMDKImage *> (pvUser);
|
---|
4219 | AssertReturnVoid (that != NULL);
|
---|
4220 |
|
---|
4221 | /// @todo pass the error message to the operation initiator
|
---|
4222 | Utf8Str err = Utf8StrFmtVA (pszFormat, va);
|
---|
4223 | if (VBOX_FAILURE (rc))
|
---|
4224 | err = Utf8StrFmt ("%s (%Vrc)", err.raw(), rc);
|
---|
4225 |
|
---|
4226 | if (that->mLastVDError.isNull())
|
---|
4227 | that->mLastVDError = err;
|
---|
4228 | else
|
---|
4229 | that->mLastVDError = Utf8StrFmt
|
---|
4230 | ("%s.\n%s", that->mLastVDError.raw(), err.raw());
|
---|
4231 | }
|
---|
4232 |
|
---|
4233 | ////////////////////////////////////////////////////////////////////////////////
|
---|
4234 | // HCustomHardDisk class
|
---|
4235 | ////////////////////////////////////////////////////////////////////////////////
|
---|
4236 |
|
---|
4237 | // constructor / destructor
|
---|
4238 | ////////////////////////////////////////////////////////////////////////////////
|
---|
4239 |
|
---|
4240 | HRESULT HCustomHardDisk::FinalConstruct()
|
---|
4241 | {
|
---|
4242 | HRESULT rc = HardDisk::FinalConstruct();
|
---|
4243 | if (FAILED (rc))
|
---|
4244 | return rc;
|
---|
4245 |
|
---|
4246 | mState = NotCreated;
|
---|
4247 |
|
---|
4248 | mStateCheckSem = NIL_RTSEMEVENTMULTI;
|
---|
4249 | mStateCheckWaiters = 0;
|
---|
4250 |
|
---|
4251 | mSize = 0;
|
---|
4252 | mActualSize = 0;
|
---|
4253 | mContainer = NULL;
|
---|
4254 |
|
---|
4255 | ComAssertRCRet (rc, E_FAIL);
|
---|
4256 |
|
---|
4257 | return S_OK;
|
---|
4258 | }
|
---|
4259 |
|
---|
4260 | void HCustomHardDisk::FinalRelease()
|
---|
4261 | {
|
---|
4262 | if (mContainer != NULL)
|
---|
4263 | VDDestroy (mContainer);
|
---|
4264 |
|
---|
4265 | HardDisk::FinalRelease();
|
---|
4266 | }
|
---|
4267 |
|
---|
4268 | // public initializer/uninitializer for internal purposes only
|
---|
4269 | ////////////////////////////////////////////////////////////////////////////////
|
---|
4270 |
|
---|
4271 | // public methods for internal purposes only
|
---|
4272 | /////////////////////////////////////////////////////////////////////////////
|
---|
4273 |
|
---|
4274 | /**
|
---|
4275 | * Initializes the custom hard disk object by reading its properties from
|
---|
4276 | * the given configuration node. The created hard disk will be marked as
|
---|
4277 | * registered on success.
|
---|
4278 | *
|
---|
4279 | * @param aHDNode <HardDisk> node.
|
---|
4280 | * @param aCustomNode <VirtualDiskImage> node.
|
---|
4281 | */
|
---|
4282 | HRESULT HCustomHardDisk::init (VirtualBox *aVirtualBox, HardDisk *aParent,
|
---|
4283 | const settings::Key &aHDNode,
|
---|
4284 | const settings::Key &aCustomNode)
|
---|
4285 | {
|
---|
4286 | using namespace settings;
|
---|
4287 |
|
---|
4288 | LogFlowThisFunc (("\n"));
|
---|
4289 |
|
---|
4290 | AssertReturn (!aHDNode.isNull() && !aCustomNode.isNull(), E_FAIL);
|
---|
4291 |
|
---|
4292 | AutoLock alock (this);
|
---|
4293 | ComAssertRet (!isReady(), E_UNEXPECTED);
|
---|
4294 |
|
---|
4295 | mStorageType = HardDiskStorageType_CustomHardDisk;
|
---|
4296 |
|
---|
4297 | HRESULT rc = S_OK;
|
---|
4298 | int vrc = VINF_SUCCESS;
|
---|
4299 | do
|
---|
4300 | {
|
---|
4301 | rc = protectedInit (aVirtualBox, aParent);
|
---|
4302 | CheckComRCBreakRC (rc);
|
---|
4303 |
|
---|
4304 | /* set ready to let protectedUninit() be called on failure */
|
---|
4305 | setReady (true);
|
---|
4306 |
|
---|
4307 | /* location (required) */
|
---|
4308 | Bstr location = aCustomNode.stringValue ("location");
|
---|
4309 | rc = setLocation (location);
|
---|
4310 | CheckComRCBreakRC (rc);
|
---|
4311 |
|
---|
4312 | LogFlowThisFunc (("'%ls'\n", mLocationFull.raw()));
|
---|
4313 |
|
---|
4314 | /* format (required) */
|
---|
4315 | mFormat = aCustomNode.stringValue ("format");
|
---|
4316 |
|
---|
4317 | /* initialize the container */
|
---|
4318 | vrc = VDCreate (Utf8Str (mFormat), VDError, this, &mContainer);
|
---|
4319 | if (VBOX_FAILURE (vrc))
|
---|
4320 | {
|
---|
4321 | AssertRC (vrc);
|
---|
4322 | if (mLastVDError.isEmpty())
|
---|
4323 | rc = setError (E_FAIL,
|
---|
4324 | tr ("Unknown format '%ls' of the custom "
|
---|
4325 | "hard disk '%ls' (%Vrc)"),
|
---|
4326 | mFormat.raw(), toString().raw(), vrc);
|
---|
4327 | else
|
---|
4328 | rc = setErrorBstr (E_FAIL, mLastVDError);
|
---|
4329 | break;
|
---|
4330 | }
|
---|
4331 |
|
---|
4332 | /* load basic settings and children */
|
---|
4333 | rc = loadSettings (aHDNode);
|
---|
4334 | CheckComRCBreakRC (rc);
|
---|
4335 |
|
---|
4336 | if (mType != HardDiskType_WritethroughHardDisk)
|
---|
4337 | {
|
---|
4338 | rc = setError (E_FAIL,
|
---|
4339 | tr ("Currently, non-Writethrough custom hard disks "
|
---|
4340 | "are not allowed ('%ls')"),
|
---|
4341 | toString().raw());
|
---|
4342 | break;
|
---|
4343 | }
|
---|
4344 |
|
---|
4345 | mState = Created;
|
---|
4346 | mRegistered = TRUE;
|
---|
4347 |
|
---|
4348 | /* Don't call queryInformation() for registered hard disks to
|
---|
4349 | * prevent the calling thread (i.e. the VirtualBox server startup
|
---|
4350 | * thread) from an unexpected freeze. The vital mId property (UUID)
|
---|
4351 | * is read from the registry file in loadSettings(). To get the rest,
|
---|
4352 | * the user will have to call COMGETTER(Accessible) manually. */
|
---|
4353 | }
|
---|
4354 | while (0);
|
---|
4355 |
|
---|
4356 | if (FAILED (rc))
|
---|
4357 | uninit();
|
---|
4358 |
|
---|
4359 | return rc;
|
---|
4360 | }
|
---|
4361 |
|
---|
4362 | /**
|
---|
4363 | * Initializes the custom hard disk object using the given image file name.
|
---|
4364 | *
|
---|
4365 | * @param aVirtualBox VirtualBox parent.
|
---|
4366 | * @param aParent Currently, must always be @c NULL.
|
---|
4367 | * @param aLocation Location of the virtual disk, or @c NULL to create an
|
---|
4368 | * image-less object.
|
---|
4369 | * @param aRegistered Whether to mark this disk as registered or not
|
---|
4370 | * (ignored when @a aLocation is @c NULL, assuming @c FALSE)
|
---|
4371 | */
|
---|
4372 | HRESULT HCustomHardDisk::init (VirtualBox *aVirtualBox, HardDisk *aParent,
|
---|
4373 | const BSTR aLocation, BOOL aRegistered /* = FALSE */)
|
---|
4374 | {
|
---|
4375 | LogFlowThisFunc (("aLocation='%ls', aRegistered=%d\n", aLocation, aRegistered));
|
---|
4376 |
|
---|
4377 | AssertReturn (aParent == NULL, E_FAIL);
|
---|
4378 |
|
---|
4379 | AutoLock alock (this);
|
---|
4380 | ComAssertRet (!isReady(), E_UNEXPECTED);
|
---|
4381 |
|
---|
4382 | mStorageType = HardDiskStorageType_CustomHardDisk;
|
---|
4383 |
|
---|
4384 | HRESULT rc = S_OK;
|
---|
4385 |
|
---|
4386 | do
|
---|
4387 | {
|
---|
4388 | rc = protectedInit (aVirtualBox, aParent);
|
---|
4389 | CheckComRCBreakRC (rc);
|
---|
4390 |
|
---|
4391 | /* set ready to let protectedUninit() be called on failure */
|
---|
4392 | setReady (true);
|
---|
4393 |
|
---|
4394 | rc = setLocation (aLocation);
|
---|
4395 | CheckComRCBreakRC (rc);
|
---|
4396 |
|
---|
4397 | /* currently, all custom hard disks are writethrough */
|
---|
4398 | mType = HardDiskType_WritethroughHardDisk;
|
---|
4399 |
|
---|
4400 | Assert (mId.isEmpty());
|
---|
4401 |
|
---|
4402 | if (aLocation && *aLocation)
|
---|
4403 | {
|
---|
4404 | mRegistered = aRegistered;
|
---|
4405 | mState = Created;
|
---|
4406 |
|
---|
4407 | char *pszFormat = NULL;
|
---|
4408 |
|
---|
4409 | int vrc = VDGetFormat (Utf8Str (mLocation), &pszFormat);
|
---|
4410 | if (VBOX_FAILURE(vrc))
|
---|
4411 | {
|
---|
4412 | AssertRC (vrc);
|
---|
4413 | rc = setError (E_FAIL,
|
---|
4414 | tr ("Cannot recognize the format of the custom "
|
---|
4415 | "hard disk '%ls' (%Vrc)"),
|
---|
4416 | toString().raw(), vrc);
|
---|
4417 | break;
|
---|
4418 | }
|
---|
4419 |
|
---|
4420 | /* Create the corresponding container. */
|
---|
4421 | vrc = VDCreate (pszFormat, VDError, this, &mContainer);
|
---|
4422 |
|
---|
4423 | if (VBOX_SUCCESS(vrc))
|
---|
4424 | mFormat = Bstr (pszFormat);
|
---|
4425 |
|
---|
4426 | RTStrFree (pszFormat);
|
---|
4427 |
|
---|
4428 | /* the format has been already checked for presence at this point */
|
---|
4429 | ComAssertRCBreak (vrc, rc = E_FAIL);
|
---|
4430 |
|
---|
4431 | /* Call queryInformation() anyway (even if it will block), because
|
---|
4432 | * it is the only way to get the UUID of the existing VDI and
|
---|
4433 | * initialize the vital mId property. */
|
---|
4434 | Bstr errMsg;
|
---|
4435 | rc = queryInformation (&errMsg);
|
---|
4436 | if (SUCCEEDED (rc))
|
---|
4437 | {
|
---|
4438 | /* We are constructing a new HVirtualDiskImage object. If there
|
---|
4439 | * is a fatal accessibility error (we cannot read image UUID),
|
---|
4440 | * we have to fail. We do so even on non-fatal errors as well,
|
---|
4441 | * because it's not worth to keep going with the inaccessible
|
---|
4442 | * image from the very beginning (when nothing else depends on
|
---|
4443 | * it yet). */
|
---|
4444 | if (!errMsg.isNull())
|
---|
4445 | rc = setErrorBstr (E_FAIL, errMsg);
|
---|
4446 | }
|
---|
4447 | }
|
---|
4448 | else
|
---|
4449 | {
|
---|
4450 | mRegistered = FALSE;
|
---|
4451 | mState = NotCreated;
|
---|
4452 | mId.create();
|
---|
4453 | }
|
---|
4454 | }
|
---|
4455 | while (0);
|
---|
4456 |
|
---|
4457 | if (FAILED (rc))
|
---|
4458 | uninit();
|
---|
4459 |
|
---|
4460 | return rc;
|
---|
4461 | }
|
---|
4462 |
|
---|
4463 | /**
|
---|
4464 | * Uninitializes the instance and sets the ready flag to FALSE.
|
---|
4465 | * Called either from FinalRelease(), by the parent when it gets destroyed,
|
---|
4466 | * or by a third party when it decides this object is no more valid.
|
---|
4467 | */
|
---|
4468 | void HCustomHardDisk::uninit()
|
---|
4469 | {
|
---|
4470 | LogFlowThisFunc (("\n"));
|
---|
4471 |
|
---|
4472 | AutoLock alock (this);
|
---|
4473 | if (!isReady())
|
---|
4474 | return;
|
---|
4475 |
|
---|
4476 | HardDisk::protectedUninit (alock);
|
---|
4477 | }
|
---|
4478 |
|
---|
4479 | // IHardDisk properties
|
---|
4480 | ////////////////////////////////////////////////////////////////////////////////
|
---|
4481 |
|
---|
4482 | STDMETHODIMP HCustomHardDisk::COMGETTER(Description) (BSTR *aDescription)
|
---|
4483 | {
|
---|
4484 | if (!aDescription)
|
---|
4485 | return E_POINTER;
|
---|
4486 |
|
---|
4487 | AutoLock alock (this);
|
---|
4488 | CHECK_READY();
|
---|
4489 |
|
---|
4490 | mDescription.cloneTo (aDescription);
|
---|
4491 | return S_OK;
|
---|
4492 | }
|
---|
4493 |
|
---|
4494 | STDMETHODIMP HCustomHardDisk::COMSETTER(Description) (INPTR BSTR aDescription)
|
---|
4495 | {
|
---|
4496 | AutoLock alock (this);
|
---|
4497 | CHECK_READY();
|
---|
4498 |
|
---|
4499 | CHECK_BUSY_AND_READERS();
|
---|
4500 |
|
---|
4501 | return E_NOTIMPL;
|
---|
4502 | }
|
---|
4503 |
|
---|
4504 | STDMETHODIMP HCustomHardDisk::COMGETTER(Size) (ULONG64 *aSize)
|
---|
4505 | {
|
---|
4506 | if (!aSize)
|
---|
4507 | return E_POINTER;
|
---|
4508 |
|
---|
4509 | AutoLock alock (this);
|
---|
4510 | CHECK_READY();
|
---|
4511 |
|
---|
4512 | *aSize = mSize;
|
---|
4513 | return S_OK;
|
---|
4514 | }
|
---|
4515 |
|
---|
4516 | STDMETHODIMP HCustomHardDisk::COMGETTER(ActualSize) (ULONG64 *aActualSize)
|
---|
4517 | {
|
---|
4518 | if (!aActualSize)
|
---|
4519 | return E_POINTER;
|
---|
4520 |
|
---|
4521 | AutoLock alock (this);
|
---|
4522 | CHECK_READY();
|
---|
4523 |
|
---|
4524 | *aActualSize = mActualSize;
|
---|
4525 | return S_OK;
|
---|
4526 | }
|
---|
4527 |
|
---|
4528 | // ICustomHardDisk properties
|
---|
4529 | ////////////////////////////////////////////////////////////////////////////////
|
---|
4530 |
|
---|
4531 | STDMETHODIMP HCustomHardDisk::COMGETTER(Location) (BSTR *aLocation)
|
---|
4532 | {
|
---|
4533 | if (!aLocation)
|
---|
4534 | return E_POINTER;
|
---|
4535 |
|
---|
4536 | AutoLock alock (this);
|
---|
4537 | CHECK_READY();
|
---|
4538 |
|
---|
4539 | mLocationFull.cloneTo (aLocation);
|
---|
4540 | return S_OK;
|
---|
4541 | }
|
---|
4542 |
|
---|
4543 | STDMETHODIMP HCustomHardDisk::COMSETTER(Location) (INPTR BSTR aLocation)
|
---|
4544 | {
|
---|
4545 | AutoLock alock (this);
|
---|
4546 | CHECK_READY();
|
---|
4547 |
|
---|
4548 | if (mState != NotCreated)
|
---|
4549 | return setError (E_ACCESSDENIED,
|
---|
4550 | tr ("Cannot change the file path of the existing hard disk '%ls'"),
|
---|
4551 | toString().raw());
|
---|
4552 |
|
---|
4553 | CHECK_BUSY_AND_READERS();
|
---|
4554 |
|
---|
4555 | /// @todo currently, we assume that location is always a file path for
|
---|
4556 | /// all custom hard disks. This is not generally correct, and needs to be
|
---|
4557 | /// parametrized in the VD plugin interface.
|
---|
4558 |
|
---|
4559 | /* append the default path if only a name is given */
|
---|
4560 | Bstr path = aLocation;
|
---|
4561 | if (aLocation && *aLocation)
|
---|
4562 | {
|
---|
4563 | Utf8Str fp = aLocation;
|
---|
4564 | if (!RTPathHavePath (fp))
|
---|
4565 | {
|
---|
4566 | AutoReaderLock propsLock (mVirtualBox->systemProperties());
|
---|
4567 | path = Utf8StrFmt ("%ls%c%s",
|
---|
4568 | mVirtualBox->systemProperties()->defaultVDIFolder().raw(),
|
---|
4569 | RTPATH_DELIMITER,
|
---|
4570 | fp.raw());
|
---|
4571 | }
|
---|
4572 | }
|
---|
4573 |
|
---|
4574 | return setLocation (path);
|
---|
4575 | }
|
---|
4576 |
|
---|
4577 | STDMETHODIMP HCustomHardDisk::COMGETTER(Created) (BOOL *aCreated)
|
---|
4578 | {
|
---|
4579 | if (!aCreated)
|
---|
4580 | return E_POINTER;
|
---|
4581 |
|
---|
4582 | AutoLock alock (this);
|
---|
4583 | CHECK_READY();
|
---|
4584 |
|
---|
4585 | *aCreated = mState >= Created;
|
---|
4586 | return S_OK;
|
---|
4587 | }
|
---|
4588 |
|
---|
4589 | STDMETHODIMP HCustomHardDisk::COMGETTER(Format) (BSTR *aFormat)
|
---|
4590 | {
|
---|
4591 | if (!aFormat)
|
---|
4592 | return E_POINTER;
|
---|
4593 |
|
---|
4594 | AutoLock alock (this);
|
---|
4595 | CHECK_READY();
|
---|
4596 |
|
---|
4597 | mFormat.cloneTo (aFormat);
|
---|
4598 | return S_OK;
|
---|
4599 | }
|
---|
4600 |
|
---|
4601 | // ICustomHardDisk methods
|
---|
4602 | /////////////////////////////////////////////////////////////////////////////
|
---|
4603 |
|
---|
4604 | STDMETHODIMP HCustomHardDisk::CreateDynamicImage (ULONG64 aSize, IProgress **aProgress)
|
---|
4605 | {
|
---|
4606 | if (!aProgress)
|
---|
4607 | return E_POINTER;
|
---|
4608 |
|
---|
4609 | AutoLock alock (this);
|
---|
4610 | CHECK_READY();
|
---|
4611 |
|
---|
4612 | return createImage (aSize, TRUE /* aDynamic */, aProgress);
|
---|
4613 | }
|
---|
4614 |
|
---|
4615 | STDMETHODIMP HCustomHardDisk::CreateFixedImage (ULONG64 aSize, IProgress **aProgress)
|
---|
4616 | {
|
---|
4617 | if (!aProgress)
|
---|
4618 | return E_POINTER;
|
---|
4619 |
|
---|
4620 | AutoLock alock (this);
|
---|
4621 | CHECK_READY();
|
---|
4622 |
|
---|
4623 | return createImage (aSize, FALSE /* aDynamic */, aProgress);
|
---|
4624 | }
|
---|
4625 |
|
---|
4626 | STDMETHODIMP HCustomHardDisk::DeleteImage()
|
---|
4627 | {
|
---|
4628 | AutoLock alock (this);
|
---|
4629 | CHECK_READY();
|
---|
4630 | CHECK_BUSY_AND_READERS();
|
---|
4631 |
|
---|
4632 | return E_NOTIMPL;
|
---|
4633 |
|
---|
4634 | /// @todo later
|
---|
4635 | }
|
---|
4636 |
|
---|
4637 | // public/protected methods for internal purposes only
|
---|
4638 | /////////////////////////////////////////////////////////////////////////////
|
---|
4639 |
|
---|
4640 | /**
|
---|
4641 | * Attempts to mark the hard disk as registered.
|
---|
4642 | * Only VirtualBox can call this method.
|
---|
4643 | */
|
---|
4644 | HRESULT HCustomHardDisk::trySetRegistered (BOOL aRegistered)
|
---|
4645 | {
|
---|
4646 | AutoLock alock (this);
|
---|
4647 | CHECK_READY();
|
---|
4648 |
|
---|
4649 | if (aRegistered)
|
---|
4650 | {
|
---|
4651 | if (mState == NotCreated)
|
---|
4652 | return setError (E_FAIL,
|
---|
4653 | tr ("Storage location '%ls' is not yet created for this hard disk"),
|
---|
4654 | mLocationFull.raw());
|
---|
4655 | }
|
---|
4656 | else
|
---|
4657 | {
|
---|
4658 | ComAssertRet (mState >= Created, E_FAIL);
|
---|
4659 | }
|
---|
4660 |
|
---|
4661 | return HardDisk::trySetRegistered (aRegistered);
|
---|
4662 | }
|
---|
4663 |
|
---|
4664 | /**
|
---|
4665 | * Checks accessibility of this hard disk image only (w/o parents).
|
---|
4666 | *
|
---|
4667 | * @param aAccessError on output, a null string indicates the hard disk is
|
---|
4668 | * accessible, otherwise contains a message describing
|
---|
4669 | * the reason of inaccessibility.
|
---|
4670 | */
|
---|
4671 | HRESULT HCustomHardDisk::getAccessible (Bstr &aAccessError)
|
---|
4672 | {
|
---|
4673 | AutoLock alock (this);
|
---|
4674 | CHECK_READY();
|
---|
4675 |
|
---|
4676 | if (mStateCheckSem != NIL_RTSEMEVENTMULTI)
|
---|
4677 | {
|
---|
4678 | /* An accessibility check in progress on some other thread,
|
---|
4679 | * wait for it to finish. */
|
---|
4680 |
|
---|
4681 | ComAssertRet (mStateCheckWaiters != (ULONG) ~0, E_FAIL);
|
---|
4682 | ++ mStateCheckWaiters;
|
---|
4683 | alock.leave();
|
---|
4684 |
|
---|
4685 | int vrc = RTSemEventMultiWait (mStateCheckSem, RT_INDEFINITE_WAIT);
|
---|
4686 |
|
---|
4687 | alock.enter();
|
---|
4688 | AssertReturn (mStateCheckWaiters != 0, E_FAIL);
|
---|
4689 | -- mStateCheckWaiters;
|
---|
4690 | if (mStateCheckWaiters == 0)
|
---|
4691 | {
|
---|
4692 | RTSemEventMultiDestroy (mStateCheckSem);
|
---|
4693 | mStateCheckSem = NIL_RTSEMEVENTMULTI;
|
---|
4694 | }
|
---|
4695 |
|
---|
4696 | AssertRCReturn (vrc, E_FAIL);
|
---|
4697 |
|
---|
4698 | /* don't touch aAccessError, it has been already set */
|
---|
4699 | return S_OK;
|
---|
4700 | }
|
---|
4701 |
|
---|
4702 | /* check the basic accessibility */
|
---|
4703 | HRESULT rc = getBaseAccessible (aAccessError, true /* aCheckBusy */);
|
---|
4704 | if (FAILED (rc) || !aAccessError.isNull())
|
---|
4705 | return rc;
|
---|
4706 |
|
---|
4707 | if (mState >= Created)
|
---|
4708 | {
|
---|
4709 | return queryInformation (&aAccessError);
|
---|
4710 | }
|
---|
4711 |
|
---|
4712 | aAccessError = Utf8StrFmt ("Hard disk '%ls' is not yet created",
|
---|
4713 | mLocationFull.raw());
|
---|
4714 | return S_OK;
|
---|
4715 | }
|
---|
4716 |
|
---|
4717 | /**
|
---|
4718 | * Saves hard disk settings to the specified storage node and saves
|
---|
4719 | * all children to the specified hard disk node
|
---|
4720 | *
|
---|
4721 | * @param aHDNode <HardDisk> or <DiffHardDisk> node.
|
---|
4722 | * @param aStorageNode <VirtualDiskImage> node.
|
---|
4723 | */
|
---|
4724 | HRESULT HCustomHardDisk::saveSettings (settings::Key &aHDNode,
|
---|
4725 | settings::Key &aStorageNode)
|
---|
4726 | {
|
---|
4727 | AssertReturn (!aHDNode.isNull() && !aStorageNode.isNull(), E_FAIL);
|
---|
4728 |
|
---|
4729 | AutoLock alock (this);
|
---|
4730 | CHECK_READY();
|
---|
4731 |
|
---|
4732 | /* location (required) */
|
---|
4733 | aStorageNode.setValue <Bstr> ("location", mLocationFull);
|
---|
4734 |
|
---|
4735 | /* format (required) */
|
---|
4736 | aStorageNode.setValue <Bstr> ("format", mFormat);
|
---|
4737 |
|
---|
4738 | /* save basic settings and children */
|
---|
4739 | return HardDisk::saveSettings (aHDNode);
|
---|
4740 | }
|
---|
4741 |
|
---|
4742 | /**
|
---|
4743 | * Returns the string representation of this hard disk.
|
---|
4744 | * When \a aShort is false, returns the full image file path.
|
---|
4745 | * Otherwise, returns the image file name only.
|
---|
4746 | *
|
---|
4747 | * @param aShort if true, a short representation is returned
|
---|
4748 | */
|
---|
4749 | Bstr HCustomHardDisk::toString (bool aShort /* = false */)
|
---|
4750 | {
|
---|
4751 | AutoLock alock (this);
|
---|
4752 |
|
---|
4753 | /// @todo currently, we assume that location is always a file path for
|
---|
4754 | /// all custom hard disks. This is not generally correct, and needs to be
|
---|
4755 | /// parametrized in the VD plugin interface.
|
---|
4756 |
|
---|
4757 | if (!aShort)
|
---|
4758 | return mLocationFull;
|
---|
4759 | else
|
---|
4760 | {
|
---|
4761 | Utf8Str fname = mLocationFull;
|
---|
4762 | return RTPathFilename (fname.mutableRaw());
|
---|
4763 | }
|
---|
4764 | }
|
---|
4765 |
|
---|
4766 | /**
|
---|
4767 | * Creates a clone of this hard disk by storing hard disk data in the given
|
---|
4768 | * VDI file.
|
---|
4769 | *
|
---|
4770 | * If the operation fails, @a aDeleteTarget will be set to @c true unless the
|
---|
4771 | * failure happened because the target file already existed.
|
---|
4772 | *
|
---|
4773 | * @param aId UUID to assign to the created image.
|
---|
4774 | * @param aTargetPath VDI file where the cloned image is to be to stored.
|
---|
4775 | * @param aProgress progress object to run during operation.
|
---|
4776 | * @param aDeleteTarget Whether it is recommended to delete target on
|
---|
4777 | * failure or not.
|
---|
4778 | */
|
---|
4779 | HRESULT
|
---|
4780 | HCustomHardDisk::cloneToImage (const Guid &aId, const Utf8Str &aTargetPath,
|
---|
4781 | Progress *aProgress, bool &aDeleteTarget)
|
---|
4782 | {
|
---|
4783 | ComAssertMsgFailed (("Not implemented"));
|
---|
4784 | return E_NOTIMPL;
|
---|
4785 | }
|
---|
4786 |
|
---|
4787 | /**
|
---|
4788 | * Creates a new differencing image for this hard disk with the given
|
---|
4789 | * VDI file name.
|
---|
4790 | *
|
---|
4791 | * @param aId UUID to assign to the created image
|
---|
4792 | * @param aTargetPath VDI file where to store the created differencing image
|
---|
4793 | * @param aProgress progress object to run during operation
|
---|
4794 | * (can be NULL)
|
---|
4795 | */
|
---|
4796 | HRESULT
|
---|
4797 | HCustomHardDisk::createDiffImage (const Guid &aId, const Utf8Str &aTargetPath,
|
---|
4798 | Progress *aProgress)
|
---|
4799 | {
|
---|
4800 | ComAssertMsgFailed (("Not implemented"));
|
---|
4801 | return E_NOTIMPL;
|
---|
4802 | }
|
---|
4803 |
|
---|
4804 | // private methods
|
---|
4805 | /////////////////////////////////////////////////////////////////////////////
|
---|
4806 |
|
---|
4807 | /**
|
---|
4808 | * Helper to set a new location.
|
---|
4809 | *
|
---|
4810 | * @note
|
---|
4811 | * Must be called from under the object's lock!
|
---|
4812 | */
|
---|
4813 | HRESULT HCustomHardDisk::setLocation (const BSTR aLocation)
|
---|
4814 | {
|
---|
4815 | /// @todo currently, we assume that location is always a file path for
|
---|
4816 | /// all custom hard disks. This is not generally correct, and needs to be
|
---|
4817 | /// parametrized in the VD plugin interface.
|
---|
4818 |
|
---|
4819 | if (aLocation && *aLocation)
|
---|
4820 | {
|
---|
4821 | /* get the full file name */
|
---|
4822 | char locationFull [RTPATH_MAX];
|
---|
4823 | int vrc = RTPathAbsEx (mVirtualBox->homeDir(), Utf8Str (aLocation),
|
---|
4824 | locationFull, sizeof (locationFull));
|
---|
4825 | if (VBOX_FAILURE (vrc))
|
---|
4826 | return setError (E_FAIL,
|
---|
4827 | tr ("Invalid hard disk location '%ls' (%Vrc)"), aLocation, vrc);
|
---|
4828 |
|
---|
4829 | mLocation = aLocation;
|
---|
4830 | mLocationFull = locationFull;
|
---|
4831 | }
|
---|
4832 | else
|
---|
4833 | {
|
---|
4834 | mLocation.setNull();
|
---|
4835 | mLocationFull.setNull();
|
---|
4836 | }
|
---|
4837 |
|
---|
4838 | return S_OK;
|
---|
4839 | }
|
---|
4840 |
|
---|
4841 | /**
|
---|
4842 | * Helper to query information about the custom hard disk.
|
---|
4843 | *
|
---|
4844 | * @param aAccessError not used when NULL, otherwise see #getAccessible()
|
---|
4845 | *
|
---|
4846 | * @note Must be called from under the object's lock, only after
|
---|
4847 | * CHECK_BUSY_AND_READERS() succeeds.
|
---|
4848 | */
|
---|
4849 | HRESULT HCustomHardDisk::queryInformation (Bstr *aAccessError)
|
---|
4850 | {
|
---|
4851 | AssertReturn (isLockedOnCurrentThread(), E_FAIL);
|
---|
4852 |
|
---|
4853 | /* create a lock object to completely release it later */
|
---|
4854 | AutoLock alock (this);
|
---|
4855 |
|
---|
4856 | AssertReturn (mStateCheckWaiters == 0, E_FAIL);
|
---|
4857 |
|
---|
4858 | ComAssertRet (mState >= Created, E_FAIL);
|
---|
4859 |
|
---|
4860 | HRESULT rc = S_OK;
|
---|
4861 | int vrc = VINF_SUCCESS;
|
---|
4862 |
|
---|
4863 | /* lazily create a semaphore */
|
---|
4864 | vrc = RTSemEventMultiCreate (&mStateCheckSem);
|
---|
4865 | ComAssertRCRet (vrc, E_FAIL);
|
---|
4866 |
|
---|
4867 | /* Reference the disk to prevent any concurrent modifications
|
---|
4868 | * after releasing the lock below (to unblock getters before
|
---|
4869 | * a lengthy operation). */
|
---|
4870 | addReader();
|
---|
4871 |
|
---|
4872 | alock.leave();
|
---|
4873 |
|
---|
4874 | /* VBoxVHDD management interface needs to be optimized: we're opening a
|
---|
4875 | * file three times in a raw to get three bits of information. */
|
---|
4876 |
|
---|
4877 | Utf8Str location = mLocationFull;
|
---|
4878 | Bstr errMsg;
|
---|
4879 |
|
---|
4880 | /* reset any previous error report from VDError() */
|
---|
4881 | mLastVDError.setNull();
|
---|
4882 |
|
---|
4883 | do
|
---|
4884 | {
|
---|
4885 | Guid id, parentId;
|
---|
4886 |
|
---|
4887 | vrc = VDOpen (mContainer, location, VD_OPEN_FLAGS_INFO);
|
---|
4888 | if (VBOX_FAILURE (vrc))
|
---|
4889 | break;
|
---|
4890 |
|
---|
4891 | vrc = VDGetUuid (mContainer, 0, id.ptr());
|
---|
4892 | if (VBOX_FAILURE (vrc))
|
---|
4893 | break;
|
---|
4894 | vrc = VDGetParentUuid (mContainer, 0, parentId.ptr());
|
---|
4895 | if (VBOX_FAILURE (vrc))
|
---|
4896 | break;
|
---|
4897 |
|
---|
4898 | if (!mId.isEmpty())
|
---|
4899 | {
|
---|
4900 | /* check that the actual UUID of the image matches the stored UUID */
|
---|
4901 | if (mId != id)
|
---|
4902 | {
|
---|
4903 | errMsg = Utf8StrFmt (
|
---|
4904 | tr ("Actual UUID {%Vuuid} of the hard disk image '%s' doesn't "
|
---|
4905 | "match UUID {%Vuuid} stored in the registry"),
|
---|
4906 | id.ptr(), location.raw(), mId.ptr());
|
---|
4907 | break;
|
---|
4908 | }
|
---|
4909 | }
|
---|
4910 | else
|
---|
4911 | {
|
---|
4912 | /* assgn an UUID read from the image file */
|
---|
4913 | mId = id;
|
---|
4914 | }
|
---|
4915 |
|
---|
4916 | if (mParent)
|
---|
4917 | {
|
---|
4918 | /* check parent UUID */
|
---|
4919 | AutoLock parentLock (mParent);
|
---|
4920 | if (mParent->id() != parentId)
|
---|
4921 | {
|
---|
4922 | errMsg = Utf8StrFmt (
|
---|
4923 | tr ("UUID {%Vuuid} of the parent image '%ls' stored in "
|
---|
4924 | "the hard disk image file '%s' doesn't match "
|
---|
4925 | "UUID {%Vuuid} stored in the registry"),
|
---|
4926 | parentId.raw(), mParent->toString().raw(),
|
---|
4927 | location.raw(), mParent->id().raw());
|
---|
4928 | break;
|
---|
4929 | }
|
---|
4930 | }
|
---|
4931 | else if (!parentId.isEmpty())
|
---|
4932 | {
|
---|
4933 | errMsg = Utf8StrFmt (
|
---|
4934 | tr ("Hard disk image '%s' is a differencing image that is linked "
|
---|
4935 | "to a hard disk with UUID {%Vuuid} and cannot be used "
|
---|
4936 | "directly as a base hard disk"),
|
---|
4937 | location.raw(), parentId.raw());
|
---|
4938 | break;
|
---|
4939 | }
|
---|
4940 |
|
---|
4941 | /* get actual file size */
|
---|
4942 | /// @todo is there a direct method in RT?
|
---|
4943 | {
|
---|
4944 | RTFILE file = NIL_RTFILE;
|
---|
4945 | vrc = RTFileOpen (&file, location, RTFILE_O_READ);
|
---|
4946 | if (VBOX_SUCCESS (vrc))
|
---|
4947 | {
|
---|
4948 | uint64_t size = 0;
|
---|
4949 | vrc = RTFileGetSize (file, &size);
|
---|
4950 | if (VBOX_SUCCESS (vrc))
|
---|
4951 | mActualSize = size;
|
---|
4952 | RTFileClose (file);
|
---|
4953 | }
|
---|
4954 | if (VBOX_FAILURE (vrc))
|
---|
4955 | break;
|
---|
4956 | }
|
---|
4957 |
|
---|
4958 | /* query logical size only for non-differencing images */
|
---|
4959 | if (!mParent)
|
---|
4960 | {
|
---|
4961 | uint64_t size = VDGetSize (mContainer, 0);
|
---|
4962 | /* convert to MBytes */
|
---|
4963 | mSize = size / 1024 / 1024;
|
---|
4964 | }
|
---|
4965 | }
|
---|
4966 | while (0);
|
---|
4967 |
|
---|
4968 | VDCloseAll (mContainer);
|
---|
4969 |
|
---|
4970 | /* enter the lock again */
|
---|
4971 | alock.enter();
|
---|
4972 |
|
---|
4973 | /* remove the reference */
|
---|
4974 | releaseReader();
|
---|
4975 |
|
---|
4976 | if (FAILED (rc) || VBOX_FAILURE (vrc) || !errMsg.isNull())
|
---|
4977 | {
|
---|
4978 | LogWarningFunc (("'%ls' is not accessible "
|
---|
4979 | "(rc=%08X, vrc=%Vrc, errMsg='%ls')\n",
|
---|
4980 | mLocationFull.raw(), rc, vrc, errMsg.raw()));
|
---|
4981 |
|
---|
4982 | if (aAccessError)
|
---|
4983 | {
|
---|
4984 | if (!errMsg.isNull())
|
---|
4985 | *aAccessError = errMsg;
|
---|
4986 | else if (!mLastVDError.isNull())
|
---|
4987 | *aAccessError = mLastVDError;
|
---|
4988 | else if (VBOX_FAILURE (vrc))
|
---|
4989 | *aAccessError = Utf8StrFmt (
|
---|
4990 | tr ("Could not access hard disk '%ls' (%Vrc)"),
|
---|
4991 | mLocationFull.raw(), vrc);
|
---|
4992 | }
|
---|
4993 |
|
---|
4994 | /* downgrade to not accessible */
|
---|
4995 | mState = Created;
|
---|
4996 | }
|
---|
4997 | else
|
---|
4998 | {
|
---|
4999 | if (aAccessError)
|
---|
5000 | aAccessError->setNull();
|
---|
5001 |
|
---|
5002 | mState = Accessible;
|
---|
5003 | }
|
---|
5004 |
|
---|
5005 | /* inform waiters if there are any */
|
---|
5006 | if (mStateCheckWaiters > 0)
|
---|
5007 | {
|
---|
5008 | RTSemEventMultiSignal (mStateCheckSem);
|
---|
5009 | }
|
---|
5010 | else
|
---|
5011 | {
|
---|
5012 | /* delete the semaphore ourselves */
|
---|
5013 | RTSemEventMultiDestroy (mStateCheckSem);
|
---|
5014 | mStateCheckSem = NIL_RTSEMEVENTMULTI;
|
---|
5015 | }
|
---|
5016 |
|
---|
5017 | /* cleanup the last error report from VDError() */
|
---|
5018 | mLastVDError.setNull();
|
---|
5019 |
|
---|
5020 | return rc;
|
---|
5021 | }
|
---|
5022 |
|
---|
5023 | /**
|
---|
5024 | * Helper to create hard disk images.
|
---|
5025 | *
|
---|
5026 | * @param aSize size in MB
|
---|
5027 | * @param aDynamic dynamic or fixed image
|
---|
5028 | * @param aProgress address of IProgress pointer to return
|
---|
5029 | */
|
---|
5030 | HRESULT HCustomHardDisk::createImage (ULONG64 aSize, BOOL aDynamic,
|
---|
5031 | IProgress **aProgress)
|
---|
5032 | {
|
---|
5033 | ComAssertMsgFailed (("Not implemented"));
|
---|
5034 | return E_NOTIMPL;
|
---|
5035 | }
|
---|
5036 |
|
---|
5037 | /* static */
|
---|
5038 | DECLCALLBACK(int) HCustomHardDisk::VDITaskThread (RTTHREAD thread, void *pvUser)
|
---|
5039 | {
|
---|
5040 | AssertMsgFailed (("Not implemented"));
|
---|
5041 | return VERR_GENERAL_FAILURE;
|
---|
5042 | }
|
---|
5043 |
|
---|
5044 | /* static */
|
---|
5045 | DECLCALLBACK(void) HCustomHardDisk::VDError (void *pvUser, int rc, RT_SRC_POS_DECL,
|
---|
5046 | const char *pszFormat, va_list va)
|
---|
5047 | {
|
---|
5048 | HCustomHardDisk *that = static_cast <HCustomHardDisk *> (pvUser);
|
---|
5049 | AssertReturnVoid (that != NULL);
|
---|
5050 |
|
---|
5051 | /// @todo pass the error message to the operation initiator
|
---|
5052 | Utf8Str err = Utf8StrFmtVA (pszFormat, va);
|
---|
5053 | if (VBOX_FAILURE (rc))
|
---|
5054 | err = Utf8StrFmt ("%s (%Vrc)", err.raw(), rc);
|
---|
5055 |
|
---|
5056 | if (that->mLastVDError.isNull())
|
---|
5057 | that->mLastVDError = err;
|
---|
5058 | else
|
---|
5059 | that->mLastVDError = Utf8StrFmt
|
---|
5060 | ("%s.\n%s", that->mLastVDError.raw(), err.raw());
|
---|
5061 | }
|
---|
5062 |
|
---|
5063 | ////////////////////////////////////////////////////////////////////////////////
|
---|
5064 | // HVHDImage class
|
---|
5065 | ////////////////////////////////////////////////////////////////////////////////
|
---|
5066 |
|
---|
5067 | // constructor / destructor
|
---|
5068 | ////////////////////////////////////////////////////////////////////////////////
|
---|
5069 |
|
---|
5070 | HRESULT HVHDImage::FinalConstruct()
|
---|
5071 | {
|
---|
5072 | HRESULT rc = HardDisk::FinalConstruct();
|
---|
5073 | if (FAILED (rc))
|
---|
5074 | return rc;
|
---|
5075 |
|
---|
5076 | mState = NotCreated;
|
---|
5077 |
|
---|
5078 | mStateCheckSem = NIL_RTSEMEVENTMULTI;
|
---|
5079 | mStateCheckWaiters = 0;
|
---|
5080 |
|
---|
5081 | mSize = 0;
|
---|
5082 | mActualSize = 0;
|
---|
5083 |
|
---|
5084 | /* initialize the container */
|
---|
5085 | int vrc = VDCreate ("VHD", VDError, this, &mContainer);
|
---|
5086 | ComAssertRCRet (vrc, E_FAIL);
|
---|
5087 |
|
---|
5088 | return S_OK;
|
---|
5089 | }
|
---|
5090 |
|
---|
5091 | void HVHDImage::FinalRelease()
|
---|
5092 | {
|
---|
5093 | if (mContainer != NULL)
|
---|
5094 | VDDestroy (mContainer);
|
---|
5095 |
|
---|
5096 | HardDisk::FinalRelease();
|
---|
5097 | }
|
---|
5098 |
|
---|
5099 | // public initializer/uninitializer for internal purposes only
|
---|
5100 | ////////////////////////////////////////////////////////////////////////////////
|
---|
5101 |
|
---|
5102 | // public methods for internal purposes only
|
---|
5103 | /////////////////////////////////////////////////////////////////////////////
|
---|
5104 |
|
---|
5105 | /**
|
---|
5106 | * Initializes the VHD hard disk object by reading its properties from
|
---|
5107 | * the given configuration node. The created hard disk will be marked as
|
---|
5108 | * registered on success.
|
---|
5109 | *
|
---|
5110 | * @param aHDNode <HardDisk> node
|
---|
5111 | * @param aVHDNode <VirtualDiskImage> node
|
---|
5112 | */
|
---|
5113 | HRESULT HVHDImage::init (VirtualBox *aVirtualBox, HardDisk *aParent,
|
---|
5114 | const settings::Key &aHDNode,
|
---|
5115 | const settings::Key &aVHDNode)
|
---|
5116 | {
|
---|
5117 | LogFlowThisFunc (("\n"));
|
---|
5118 |
|
---|
5119 | AssertReturn (!aHDNode.isNull() && !aVHDNode.isNull(), E_FAIL);
|
---|
5120 |
|
---|
5121 | AutoLock alock (this);
|
---|
5122 | ComAssertRet (!isReady(), E_UNEXPECTED);
|
---|
5123 |
|
---|
5124 | mStorageType = HardDiskStorageType_VHDImage;
|
---|
5125 |
|
---|
5126 | HRESULT rc = S_OK;
|
---|
5127 |
|
---|
5128 | do
|
---|
5129 | {
|
---|
5130 | rc = protectedInit (aVirtualBox, aParent);
|
---|
5131 | CheckComRCBreakRC (rc);
|
---|
5132 |
|
---|
5133 | /* set ready to let protectedUninit() be called on failure */
|
---|
5134 | setReady (true);
|
---|
5135 |
|
---|
5136 | /* filePath (required) */
|
---|
5137 | Bstr filePath = aVHDNode.stringValue("filePath");
|
---|
5138 |
|
---|
5139 | rc = setFilePath (filePath);
|
---|
5140 | CheckComRCBreakRC (rc);
|
---|
5141 |
|
---|
5142 | LogFlowThisFunc (("'%ls'\n", mFilePathFull.raw()));
|
---|
5143 |
|
---|
5144 | /* load basic settings and children */
|
---|
5145 | rc = loadSettings (aHDNode);
|
---|
5146 | CheckComRCBreakRC (rc);
|
---|
5147 |
|
---|
5148 | if (mType != HardDiskType_WritethroughHardDisk)
|
---|
5149 | {
|
---|
5150 | rc = setError (E_FAIL,
|
---|
5151 | tr ("Currently, non-Writethrough VHD images are not "
|
---|
5152 | "allowed ('%ls')"),
|
---|
5153 | toString().raw());
|
---|
5154 | break;
|
---|
5155 | }
|
---|
5156 |
|
---|
5157 | mState = Created;
|
---|
5158 | mRegistered = TRUE;
|
---|
5159 |
|
---|
5160 | /* Don't call queryInformation() for registered hard disks to
|
---|
5161 | * prevent the calling thread (i.e. the VirtualBox server startup
|
---|
5162 | * thread) from an unexpected freeze. The vital mId property (UUID)
|
---|
5163 | * is read from the registry file in loadSettings(). To get the rest,
|
---|
5164 | * the user will have to call COMGETTER(Accessible) manually. */
|
---|
5165 | }
|
---|
5166 | while (0);
|
---|
5167 |
|
---|
5168 | if (FAILED (rc))
|
---|
5169 | uninit();
|
---|
5170 |
|
---|
5171 | return rc;
|
---|
5172 | }
|
---|
5173 |
|
---|
5174 | /**
|
---|
5175 | * Initializes the VHD hard disk object using the given image file name.
|
---|
5176 | *
|
---|
5177 | * @param aVirtualBox VirtualBox parent.
|
---|
5178 | * @param aParent Currently, must always be @c NULL.
|
---|
5179 | * @param aFilePath Path to the image file, or @c NULL to create an
|
---|
5180 | * image-less object.
|
---|
5181 | * @param aRegistered Whether to mark this disk as registered or not
|
---|
5182 | * (ignored when @a aFilePath is @c NULL, assuming @c FALSE)
|
---|
5183 | */
|
---|
5184 | HRESULT HVHDImage::init (VirtualBox *aVirtualBox, HardDisk *aParent,
|
---|
5185 | const BSTR aFilePath, BOOL aRegistered /* = FALSE */)
|
---|
5186 | {
|
---|
5187 | LogFlowThisFunc (("aFilePath='%ls', aRegistered=%d\n", aFilePath, aRegistered));
|
---|
5188 |
|
---|
5189 | AssertReturn (aParent == NULL, E_FAIL);
|
---|
5190 |
|
---|
5191 | AutoLock alock (this);
|
---|
5192 | ComAssertRet (!isReady(), E_UNEXPECTED);
|
---|
5193 |
|
---|
5194 | mStorageType = HardDiskStorageType_VHDImage;
|
---|
5195 |
|
---|
5196 | HRESULT rc = S_OK;
|
---|
5197 |
|
---|
5198 | do
|
---|
5199 | {
|
---|
5200 | rc = protectedInit (aVirtualBox, aParent);
|
---|
5201 | CheckComRCBreakRC (rc);
|
---|
5202 |
|
---|
5203 | /* set ready to let protectedUninit() be called on failure */
|
---|
5204 | setReady (true);
|
---|
5205 |
|
---|
5206 | rc = setFilePath (aFilePath);
|
---|
5207 | CheckComRCBreakRC (rc);
|
---|
5208 |
|
---|
5209 | /* currently, all VHD hard disks are writethrough */
|
---|
5210 | mType = HardDiskType_WritethroughHardDisk;
|
---|
5211 |
|
---|
5212 | Assert (mId.isEmpty());
|
---|
5213 |
|
---|
5214 | if (aFilePath && *aFilePath)
|
---|
5215 | {
|
---|
5216 | mRegistered = aRegistered;
|
---|
5217 | mState = Created;
|
---|
5218 |
|
---|
5219 | /* Call queryInformation() anyway (even if it will block), because
|
---|
5220 | * it is the only way to get the UUID of the existing VDI and
|
---|
5221 | * initialize the vital mId property. */
|
---|
5222 | Bstr errMsg;
|
---|
5223 | rc = queryInformation (&errMsg);
|
---|
5224 | if (SUCCEEDED (rc))
|
---|
5225 | {
|
---|
5226 | /* We are constructing a new HVirtualDiskImage object. If there
|
---|
5227 | * is a fatal accessibility error (we cannot read image UUID),
|
---|
5228 | * we have to fail. We do so even on non-fatal errors as well,
|
---|
5229 | * because it's not worth to keep going with the inaccessible
|
---|
5230 | * image from the very beginning (when nothing else depends on
|
---|
5231 | * it yet). */
|
---|
5232 | if (!errMsg.isNull())
|
---|
5233 | rc = setErrorBstr (E_FAIL, errMsg);
|
---|
5234 | }
|
---|
5235 | }
|
---|
5236 | else
|
---|
5237 | {
|
---|
5238 | mRegistered = FALSE;
|
---|
5239 | mState = NotCreated;
|
---|
5240 | mId.create();
|
---|
5241 | }
|
---|
5242 | }
|
---|
5243 | while (0);
|
---|
5244 |
|
---|
5245 | if (FAILED (rc))
|
---|
5246 | uninit();
|
---|
5247 |
|
---|
5248 | return rc;
|
---|
5249 | }
|
---|
5250 |
|
---|
5251 | /**
|
---|
5252 | * Uninitializes the instance and sets the ready flag to FALSE.
|
---|
5253 | * Called either from FinalRelease(), by the parent when it gets destroyed,
|
---|
5254 | * or by a third party when it decides this object is no more valid.
|
---|
5255 | */
|
---|
5256 | void HVHDImage::uninit()
|
---|
5257 | {
|
---|
5258 | LogFlowThisFunc (("\n"));
|
---|
5259 |
|
---|
5260 | AutoLock alock (this);
|
---|
5261 | if (!isReady())
|
---|
5262 | return;
|
---|
5263 |
|
---|
5264 | HardDisk::protectedUninit (alock);
|
---|
5265 | }
|
---|
5266 |
|
---|
5267 | // IHardDisk properties
|
---|
5268 | ////////////////////////////////////////////////////////////////////////////////
|
---|
5269 |
|
---|
5270 | STDMETHODIMP HVHDImage::COMGETTER(Description) (BSTR *aDescription)
|
---|
5271 | {
|
---|
5272 | if (!aDescription)
|
---|
5273 | return E_POINTER;
|
---|
5274 |
|
---|
5275 | AutoLock alock (this);
|
---|
5276 | CHECK_READY();
|
---|
5277 |
|
---|
5278 | mDescription.cloneTo (aDescription);
|
---|
5279 | return S_OK;
|
---|
5280 | }
|
---|
5281 |
|
---|
5282 | STDMETHODIMP HVHDImage::COMSETTER(Description) (INPTR BSTR aDescription)
|
---|
5283 | {
|
---|
5284 | AutoLock alock (this);
|
---|
5285 | CHECK_READY();
|
---|
5286 |
|
---|
5287 | CHECK_BUSY_AND_READERS();
|
---|
5288 |
|
---|
5289 | return E_NOTIMPL;
|
---|
5290 |
|
---|
5291 | /// @todo implement
|
---|
5292 | //
|
---|
5293 | // if (mState >= Created)
|
---|
5294 | // {
|
---|
5295 | // int vrc = VDISetImageComment (Utf8Str (mFilePathFull), Utf8Str (aDescription));
|
---|
5296 | // if (VBOX_FAILURE (vrc))
|
---|
5297 | // return setError (E_FAIL,
|
---|
5298 | // tr ("Could not change the description of the VDI hard disk '%ls' "
|
---|
5299 | // "(%Vrc)"),
|
---|
5300 | // toString().raw(), vrc);
|
---|
5301 | // }
|
---|
5302 | //
|
---|
5303 | // mDescription = aDescription;
|
---|
5304 | // return S_OK;
|
---|
5305 | }
|
---|
5306 |
|
---|
5307 | STDMETHODIMP HVHDImage::COMGETTER(Size) (ULONG64 *aSize)
|
---|
5308 | {
|
---|
5309 | if (!aSize)
|
---|
5310 | return E_POINTER;
|
---|
5311 |
|
---|
5312 | AutoLock alock (this);
|
---|
5313 | CHECK_READY();
|
---|
5314 |
|
---|
5315 | /// @todo will need this if we add suppord for differencing VMDKs
|
---|
5316 | //
|
---|
5317 | // /* only a non-differencing image knows the logical size */
|
---|
5318 | // if (isDifferencing())
|
---|
5319 | // return root()->COMGETTER(Size) (aSize);
|
---|
5320 |
|
---|
5321 | *aSize = mSize;
|
---|
5322 | return S_OK;
|
---|
5323 | }
|
---|
5324 |
|
---|
5325 | STDMETHODIMP HVHDImage::COMGETTER(ActualSize) (ULONG64 *aActualSize)
|
---|
5326 | {
|
---|
5327 | if (!aActualSize)
|
---|
5328 | return E_POINTER;
|
---|
5329 |
|
---|
5330 | AutoLock alock (this);
|
---|
5331 | CHECK_READY();
|
---|
5332 |
|
---|
5333 | *aActualSize = mActualSize;
|
---|
5334 | return S_OK;
|
---|
5335 | }
|
---|
5336 |
|
---|
5337 | // IVirtualDiskImage properties
|
---|
5338 | ////////////////////////////////////////////////////////////////////////////////
|
---|
5339 |
|
---|
5340 | STDMETHODIMP HVHDImage::COMGETTER(FilePath) (BSTR *aFilePath)
|
---|
5341 | {
|
---|
5342 | if (!aFilePath)
|
---|
5343 | return E_POINTER;
|
---|
5344 |
|
---|
5345 | AutoLock alock (this);
|
---|
5346 | CHECK_READY();
|
---|
5347 |
|
---|
5348 | mFilePathFull.cloneTo (aFilePath);
|
---|
5349 | return S_OK;
|
---|
5350 | }
|
---|
5351 |
|
---|
5352 | STDMETHODIMP HVHDImage::COMSETTER(FilePath) (INPTR BSTR aFilePath)
|
---|
5353 | {
|
---|
5354 | AutoLock alock (this);
|
---|
5355 | CHECK_READY();
|
---|
5356 |
|
---|
5357 | if (mState != NotCreated)
|
---|
5358 | return setError (E_ACCESSDENIED,
|
---|
5359 | tr ("Cannot change the file path of the existing hard disk '%ls'"),
|
---|
5360 | toString().raw());
|
---|
5361 |
|
---|
5362 | CHECK_BUSY_AND_READERS();
|
---|
5363 |
|
---|
5364 | /* append the default path if only a name is given */
|
---|
5365 | Bstr path = aFilePath;
|
---|
5366 | if (aFilePath && *aFilePath)
|
---|
5367 | {
|
---|
5368 | Utf8Str fp = aFilePath;
|
---|
5369 | if (!RTPathHavePath (fp))
|
---|
5370 | {
|
---|
5371 | AutoReaderLock propsLock (mVirtualBox->systemProperties());
|
---|
5372 | path = Utf8StrFmt ("%ls%c%s",
|
---|
5373 | mVirtualBox->systemProperties()->defaultVDIFolder().raw(),
|
---|
5374 | RTPATH_DELIMITER,
|
---|
5375 | fp.raw());
|
---|
5376 | }
|
---|
5377 | }
|
---|
5378 |
|
---|
5379 | return setFilePath (path);
|
---|
5380 | }
|
---|
5381 |
|
---|
5382 | STDMETHODIMP HVHDImage::COMGETTER(Created) (BOOL *aCreated)
|
---|
5383 | {
|
---|
5384 | if (!aCreated)
|
---|
5385 | return E_POINTER;
|
---|
5386 |
|
---|
5387 | AutoLock alock (this);
|
---|
5388 | CHECK_READY();
|
---|
5389 |
|
---|
5390 | *aCreated = mState >= Created;
|
---|
5391 | return S_OK;
|
---|
5392 | }
|
---|
5393 |
|
---|
5394 | // IVHDImage methods
|
---|
5395 | /////////////////////////////////////////////////////////////////////////////
|
---|
5396 |
|
---|
5397 | STDMETHODIMP HVHDImage::CreateDynamicImage (ULONG64 aSize, IProgress **aProgress)
|
---|
5398 | {
|
---|
5399 | if (!aProgress)
|
---|
5400 | return E_POINTER;
|
---|
5401 |
|
---|
5402 | AutoLock alock (this);
|
---|
5403 | CHECK_READY();
|
---|
5404 |
|
---|
5405 | return createImage (aSize, TRUE /* aDynamic */, aProgress);
|
---|
5406 | }
|
---|
5407 |
|
---|
5408 | STDMETHODIMP HVHDImage::CreateFixedImage (ULONG64 aSize, IProgress **aProgress)
|
---|
5409 | {
|
---|
5410 | if (!aProgress)
|
---|
5411 | return E_POINTER;
|
---|
5412 |
|
---|
5413 | AutoLock alock (this);
|
---|
5414 | CHECK_READY();
|
---|
5415 |
|
---|
5416 | return createImage (aSize, FALSE /* aDynamic */, aProgress);
|
---|
5417 | }
|
---|
5418 |
|
---|
5419 | STDMETHODIMP HVHDImage::DeleteImage()
|
---|
5420 | {
|
---|
5421 | AutoLock alock (this);
|
---|
5422 | CHECK_READY();
|
---|
5423 | CHECK_BUSY_AND_READERS();
|
---|
5424 |
|
---|
5425 | return E_NOTIMPL;
|
---|
5426 |
|
---|
5427 | /// @todo later
|
---|
5428 | // We will need to parse the file in order to delete all related delta and
|
---|
5429 | // sparse images etc. We may also want to obey the .vmdk.lck file
|
---|
5430 | // which is (as far as I understood) created when the VMware VM is
|
---|
5431 | // running or saved etc.
|
---|
5432 | //
|
---|
5433 | // if (mRegistered)
|
---|
5434 | // return setError (E_ACCESSDENIED,
|
---|
5435 | // tr ("Cannot delete an image of the registered hard disk image '%ls"),
|
---|
5436 | // mFilePathFull.raw());
|
---|
5437 | // if (mState == NotCreated)
|
---|
5438 | // return setError (E_FAIL,
|
---|
5439 | // tr ("Hard disk image has been already deleted or never created"));
|
---|
5440 | //
|
---|
5441 | // int vrc = RTFileDelete (Utf8Str (mFilePathFull));
|
---|
5442 | // if (VBOX_FAILURE (vrc))
|
---|
5443 | // return setError (E_FAIL, tr ("Could not delete the image file '%ls' (%Vrc)"),
|
---|
5444 | // mFilePathFull.raw(), vrc);
|
---|
5445 | //
|
---|
5446 | // mState = NotCreated;
|
---|
5447 | //
|
---|
5448 | // /* reset the fields */
|
---|
5449 | // mSize = 0;
|
---|
5450 | // mActualSize = 0;
|
---|
5451 | //
|
---|
5452 | // return S_OK;
|
---|
5453 | }
|
---|
5454 |
|
---|
5455 | // public/protected methods for internal purposes only
|
---|
5456 | /////////////////////////////////////////////////////////////////////////////
|
---|
5457 |
|
---|
5458 | /**
|
---|
5459 | * Attempts to mark the hard disk as registered.
|
---|
5460 | * Only VirtualBox can call this method.
|
---|
5461 | */
|
---|
5462 | HRESULT HVHDImage::trySetRegistered (BOOL aRegistered)
|
---|
5463 | {
|
---|
5464 | AutoLock alock (this);
|
---|
5465 | CHECK_READY();
|
---|
5466 |
|
---|
5467 | if (aRegistered)
|
---|
5468 | {
|
---|
5469 | if (mState == NotCreated)
|
---|
5470 | return setError (E_FAIL,
|
---|
5471 | tr ("Image file '%ls' is not yet created for this hard disk"),
|
---|
5472 | mFilePathFull.raw());
|
---|
5473 |
|
---|
5474 | /// @todo will need this if we add suppord for differencing VHDs
|
---|
5475 | // if (isDifferencing())
|
---|
5476 | // return setError (E_FAIL,
|
---|
5477 | // tr ("Hard disk '%ls' is differencing and cannot be unregistered "
|
---|
5478 | // "explicitly"),
|
---|
5479 | // mFilePathFull.raw());
|
---|
5480 | }
|
---|
5481 | else
|
---|
5482 | {
|
---|
5483 | ComAssertRet (mState >= Created, E_FAIL);
|
---|
5484 | }
|
---|
5485 |
|
---|
5486 | return HardDisk::trySetRegistered (aRegistered);
|
---|
5487 | }
|
---|
5488 |
|
---|
5489 | /**
|
---|
5490 | * Checks accessibility of this hard disk image only (w/o parents).
|
---|
5491 | *
|
---|
5492 | * @param aAccessError on output, a null string indicates the hard disk is
|
---|
5493 | * accessible, otherwise contains a message describing
|
---|
5494 | * the reason of inaccessibility.
|
---|
5495 | */
|
---|
5496 | HRESULT HVHDImage::getAccessible (Bstr &aAccessError)
|
---|
5497 | {
|
---|
5498 | AutoLock alock (this);
|
---|
5499 | CHECK_READY();
|
---|
5500 |
|
---|
5501 | if (mStateCheckSem != NIL_RTSEMEVENTMULTI)
|
---|
5502 | {
|
---|
5503 | /* An accessibility check in progress on some other thread,
|
---|
5504 | * wait for it to finish. */
|
---|
5505 |
|
---|
5506 | ComAssertRet (mStateCheckWaiters != (ULONG) ~0, E_FAIL);
|
---|
5507 | ++ mStateCheckWaiters;
|
---|
5508 | alock.leave();
|
---|
5509 |
|
---|
5510 | int vrc = RTSemEventMultiWait (mStateCheckSem, RT_INDEFINITE_WAIT);
|
---|
5511 |
|
---|
5512 | alock.enter();
|
---|
5513 | AssertReturn (mStateCheckWaiters != 0, E_FAIL);
|
---|
5514 | -- mStateCheckWaiters;
|
---|
5515 | if (mStateCheckWaiters == 0)
|
---|
5516 | {
|
---|
5517 | RTSemEventMultiDestroy (mStateCheckSem);
|
---|
5518 | mStateCheckSem = NIL_RTSEMEVENTMULTI;
|
---|
5519 | }
|
---|
5520 |
|
---|
5521 | AssertRCReturn (vrc, E_FAIL);
|
---|
5522 |
|
---|
5523 | /* don't touch aAccessError, it has been already set */
|
---|
5524 | return S_OK;
|
---|
5525 | }
|
---|
5526 |
|
---|
5527 | /* check the basic accessibility */
|
---|
5528 | HRESULT rc = getBaseAccessible (aAccessError, true /* aCheckBusy */);
|
---|
5529 | if (FAILED (rc) || !aAccessError.isNull())
|
---|
5530 | return rc;
|
---|
5531 |
|
---|
5532 | if (mState >= Created)
|
---|
5533 | {
|
---|
5534 | return queryInformation (&aAccessError);
|
---|
5535 | }
|
---|
5536 |
|
---|
5537 | aAccessError = Utf8StrFmt ("Hard disk image '%ls' is not yet created",
|
---|
5538 | mFilePathFull.raw());
|
---|
5539 | return S_OK;
|
---|
5540 | }
|
---|
5541 |
|
---|
5542 | /**
|
---|
5543 | * Saves hard disk settings to the specified storage node and saves
|
---|
5544 | * all children to the specified hard disk node
|
---|
5545 | *
|
---|
5546 | * @param aHDNode <HardDisk> or <DiffHardDisk> node
|
---|
5547 | * @param aStorageNode <VirtualDiskImage> node
|
---|
5548 | */
|
---|
5549 | HRESULT HVHDImage::saveSettings (settings::Key &aHDNode, settings::Key &aStorageNode)
|
---|
5550 | {
|
---|
5551 | AssertReturn (!aHDNode.isNull() && !aStorageNode.isNull(), E_FAIL);
|
---|
5552 |
|
---|
5553 | AutoLock alock (this);
|
---|
5554 | CHECK_READY();
|
---|
5555 |
|
---|
5556 | /* filePath (required) */
|
---|
5557 | aStorageNode.setValue <Bstr> ("filePath", mFilePath);
|
---|
5558 |
|
---|
5559 | /* save basic settings and children */
|
---|
5560 | return HardDisk::saveSettings (aHDNode);
|
---|
5561 | }
|
---|
5562 |
|
---|
5563 | /**
|
---|
5564 | * Checks if the given change of \a aOldPath to \a aNewPath affects the path
|
---|
5565 | * of this hard disk and updates it if necessary to reflect the new location.
|
---|
5566 | * Intended to be from HardDisk::updatePaths().
|
---|
5567 | *
|
---|
5568 | * @param aOldPath old path (full)
|
---|
5569 | * @param aNewPath new path (full)
|
---|
5570 | *
|
---|
5571 | * @note Locks this object for writing.
|
---|
5572 | */
|
---|
5573 | void HVHDImage::updatePath (const char *aOldPath, const char *aNewPath)
|
---|
5574 | {
|
---|
5575 | AssertReturnVoid (aOldPath);
|
---|
5576 | AssertReturnVoid (aNewPath);
|
---|
5577 |
|
---|
5578 | AutoLock alock (this);
|
---|
5579 | AssertReturnVoid (isReady());
|
---|
5580 |
|
---|
5581 | size_t oldPathLen = strlen (aOldPath);
|
---|
5582 |
|
---|
5583 | Utf8Str path = mFilePathFull;
|
---|
5584 | LogFlowThisFunc (("VHD.fullPath={%s}\n", path.raw()));
|
---|
5585 |
|
---|
5586 | if (RTPathStartsWith (path, aOldPath))
|
---|
5587 | {
|
---|
5588 | Utf8Str newPath = Utf8StrFmt ("%s%s", aNewPath,
|
---|
5589 | path.raw() + oldPathLen);
|
---|
5590 | path = newPath;
|
---|
5591 |
|
---|
5592 | mVirtualBox->calculateRelativePath (path, path);
|
---|
5593 |
|
---|
5594 | unconst (mFilePathFull) = newPath;
|
---|
5595 | unconst (mFilePath) = path;
|
---|
5596 |
|
---|
5597 | LogFlowThisFunc (("-> updated: full={%s} short={%s}\n",
|
---|
5598 | newPath.raw(), path.raw()));
|
---|
5599 | }
|
---|
5600 | }
|
---|
5601 |
|
---|
5602 | /**
|
---|
5603 | * Returns the string representation of this hard disk.
|
---|
5604 | * When \a aShort is false, returns the full image file path.
|
---|
5605 | * Otherwise, returns the image file name only.
|
---|
5606 | *
|
---|
5607 | * @param aShort if true, a short representation is returned
|
---|
5608 | */
|
---|
5609 | Bstr HVHDImage::toString (bool aShort /* = false */)
|
---|
5610 | {
|
---|
5611 | AutoLock alock (this);
|
---|
5612 |
|
---|
5613 | if (!aShort)
|
---|
5614 | return mFilePathFull;
|
---|
5615 | else
|
---|
5616 | {
|
---|
5617 | Utf8Str fname = mFilePathFull;
|
---|
5618 | return RTPathFilename (fname.mutableRaw());
|
---|
5619 | }
|
---|
5620 | }
|
---|
5621 |
|
---|
5622 | /**
|
---|
5623 | * Creates a clone of this hard disk by storing hard disk data in the given
|
---|
5624 | * VDI file.
|
---|
5625 | *
|
---|
5626 | * If the operation fails, @a aDeleteTarget will be set to @c true unless the
|
---|
5627 | * failure happened because the target file already existed.
|
---|
5628 | *
|
---|
5629 | * @param aId UUID to assign to the created image.
|
---|
5630 | * @param aTargetPath VDI file where the cloned image is to be to stored.
|
---|
5631 | * @param aProgress progress object to run during operation.
|
---|
5632 | * @param aDeleteTarget Whether it is recommended to delete target on
|
---|
5633 | * failure or not.
|
---|
5634 | */
|
---|
5635 | HRESULT
|
---|
5636 | HVHDImage::cloneToImage (const Guid &aId, const Utf8Str &aTargetPath,
|
---|
5637 | Progress *aProgress, bool &aDeleteTarget)
|
---|
5638 | {
|
---|
5639 | ComAssertMsgFailed (("Not implemented"));
|
---|
5640 | return E_NOTIMPL;
|
---|
5641 |
|
---|
5642 | /// @todo will need this if we add suppord for differencing VHDs
|
---|
5643 | // Use code from HVirtualDiskImage::cloneToImage as an example.
|
---|
5644 | }
|
---|
5645 |
|
---|
5646 | /**
|
---|
5647 | * Creates a new differencing image for this hard disk with the given
|
---|
5648 | * VDI file name.
|
---|
5649 | *
|
---|
5650 | * @param aId UUID to assign to the created image
|
---|
5651 | * @param aTargetPath VDI file where to store the created differencing image
|
---|
5652 | * @param aProgress progress object to run during operation
|
---|
5653 | * (can be NULL)
|
---|
5654 | */
|
---|
5655 | HRESULT
|
---|
5656 | HVHDImage::createDiffImage (const Guid &aId, const Utf8Str &aTargetPath,
|
---|
5657 | Progress *aProgress)
|
---|
5658 | {
|
---|
5659 | ComAssertMsgFailed (("Not implemented"));
|
---|
5660 | return E_NOTIMPL;
|
---|
5661 |
|
---|
5662 | /// @todo will need this if we add suppord for differencing VHDs
|
---|
5663 | // Use code from HVirtualDiskImage::createDiffImage as an example.
|
---|
5664 | }
|
---|
5665 |
|
---|
5666 | // private methods
|
---|
5667 | /////////////////////////////////////////////////////////////////////////////
|
---|
5668 |
|
---|
5669 | /**
|
---|
5670 | * Helper to set a new file path.
|
---|
5671 | * Resolves a path relatively to the Virtual Box home directory.
|
---|
5672 | *
|
---|
5673 | * @note
|
---|
5674 | * Must be called from under the object's lock!
|
---|
5675 | */
|
---|
5676 | HRESULT HVHDImage::setFilePath (const BSTR aFilePath)
|
---|
5677 | {
|
---|
5678 | if (aFilePath && *aFilePath)
|
---|
5679 | {
|
---|
5680 | /* get the full file name */
|
---|
5681 | char filePathFull [RTPATH_MAX];
|
---|
5682 | int vrc = RTPathAbsEx (mVirtualBox->homeDir(), Utf8Str (aFilePath),
|
---|
5683 | filePathFull, sizeof (filePathFull));
|
---|
5684 | if (VBOX_FAILURE (vrc))
|
---|
5685 | return setError (E_FAIL,
|
---|
5686 | tr ("Invalid image file path '%ls' (%Vrc)"), aFilePath, vrc);
|
---|
5687 |
|
---|
5688 | mFilePath = aFilePath;
|
---|
5689 | mFilePathFull = filePathFull;
|
---|
5690 | }
|
---|
5691 | else
|
---|
5692 | {
|
---|
5693 | mFilePath.setNull();
|
---|
5694 | mFilePathFull.setNull();
|
---|
5695 | }
|
---|
5696 |
|
---|
5697 | return S_OK;
|
---|
5698 | }
|
---|
5699 |
|
---|
5700 | /**
|
---|
5701 | * Helper to query information about the VDI hard disk.
|
---|
5702 | *
|
---|
5703 | * @param aAccessError not used when NULL, otherwise see #getAccessible()
|
---|
5704 | *
|
---|
5705 | * @note Must be called from under the object's lock, only after
|
---|
5706 | * CHECK_BUSY_AND_READERS() succeeds.
|
---|
5707 | */
|
---|
5708 | HRESULT HVHDImage::queryInformation (Bstr *aAccessError)
|
---|
5709 | {
|
---|
5710 | AssertReturn (isLockedOnCurrentThread(), E_FAIL);
|
---|
5711 |
|
---|
5712 | /* create a lock object to completely release it later */
|
---|
5713 | AutoLock alock (this);
|
---|
5714 |
|
---|
5715 | AssertReturn (mStateCheckWaiters == 0, E_FAIL);
|
---|
5716 |
|
---|
5717 | ComAssertRet (mState >= Created, E_FAIL);
|
---|
5718 |
|
---|
5719 | HRESULT rc = S_OK;
|
---|
5720 | int vrc = VINF_SUCCESS;
|
---|
5721 |
|
---|
5722 | /* lazily create a semaphore */
|
---|
5723 | vrc = RTSemEventMultiCreate (&mStateCheckSem);
|
---|
5724 | ComAssertRCRet (vrc, E_FAIL);
|
---|
5725 |
|
---|
5726 | /* Reference the disk to prevent any concurrent modifications
|
---|
5727 | * after releasing the lock below (to unblock getters before
|
---|
5728 | * a lengthy operation). */
|
---|
5729 | addReader();
|
---|
5730 |
|
---|
5731 | alock.leave();
|
---|
5732 |
|
---|
5733 | /* VBoxVHDD management interface needs to be optimized: we're opening a
|
---|
5734 | * file three times in a raw to get three bits of information. */
|
---|
5735 |
|
---|
5736 | Utf8Str filePath = mFilePathFull;
|
---|
5737 | Bstr errMsg;
|
---|
5738 |
|
---|
5739 | /* reset any previous error report from VDError() */
|
---|
5740 | mLastVDError.setNull();
|
---|
5741 |
|
---|
5742 | do
|
---|
5743 | {
|
---|
5744 | Guid id, parentId;
|
---|
5745 |
|
---|
5746 | /// @todo changed from VD_OPEN_FLAGS_READONLY to VD_OPEN_FLAGS_NORMAL,
|
---|
5747 | /// because otherwise registering a VHD which so far has no UUID will
|
---|
5748 | /// yield a null UUID. It cannot be added to a VHD opened readonly,
|
---|
5749 | /// obviously. This of course changes locking behavior, but for now
|
---|
5750 | /// this is acceptable. A better solution needs to be found later.
|
---|
5751 | vrc = VDOpen (mContainer, filePath, VD_OPEN_FLAGS_NORMAL);
|
---|
5752 | if (VBOX_FAILURE (vrc))
|
---|
5753 | break;
|
---|
5754 |
|
---|
5755 | vrc = VDGetUuid (mContainer, 0, id.ptr());
|
---|
5756 | if (VBOX_FAILURE (vrc))
|
---|
5757 | break;
|
---|
5758 | vrc = VDGetParentUuid (mContainer, 0, parentId.ptr());
|
---|
5759 | if (VBOX_FAILURE (vrc))
|
---|
5760 | break;
|
---|
5761 |
|
---|
5762 | if (!mId.isEmpty())
|
---|
5763 | {
|
---|
5764 | /* check that the actual UUID of the image matches the stored UUID */
|
---|
5765 | if (mId != id)
|
---|
5766 | {
|
---|
5767 | errMsg = Utf8StrFmt (
|
---|
5768 | tr ("Actual UUID {%Vuuid} of the hard disk image '%s' doesn't "
|
---|
5769 | "match UUID {%Vuuid} stored in the registry"),
|
---|
5770 | id.ptr(), filePath.raw(), mId.ptr());
|
---|
5771 | break;
|
---|
5772 | }
|
---|
5773 | }
|
---|
5774 | else
|
---|
5775 | {
|
---|
5776 | /* assgn an UUID read from the image file */
|
---|
5777 | mId = id;
|
---|
5778 | }
|
---|
5779 |
|
---|
5780 | if (mParent)
|
---|
5781 | {
|
---|
5782 | /* check parent UUID */
|
---|
5783 | AutoLock parentLock (mParent);
|
---|
5784 | if (mParent->id() != parentId)
|
---|
5785 | {
|
---|
5786 | errMsg = Utf8StrFmt (
|
---|
5787 | tr ("UUID {%Vuuid} of the parent image '%ls' stored in "
|
---|
5788 | "the hard disk image file '%s' doesn't match "
|
---|
5789 | "UUID {%Vuuid} stored in the registry"),
|
---|
5790 | parentId.raw(), mParent->toString().raw(),
|
---|
5791 | filePath.raw(), mParent->id().raw());
|
---|
5792 | break;
|
---|
5793 | }
|
---|
5794 | }
|
---|
5795 | else if (!parentId.isEmpty())
|
---|
5796 | {
|
---|
5797 | errMsg = Utf8StrFmt (
|
---|
5798 | tr ("Hard disk image '%s' is a differencing image that is linked "
|
---|
5799 | "to a hard disk with UUID {%Vuuid} and cannot be used "
|
---|
5800 | "directly as a base hard disk"),
|
---|
5801 | filePath.raw(), parentId.raw());
|
---|
5802 | break;
|
---|
5803 | }
|
---|
5804 |
|
---|
5805 | /* get actual file size */
|
---|
5806 | /// @todo is there a direct method in RT?
|
---|
5807 | {
|
---|
5808 | RTFILE file = NIL_RTFILE;
|
---|
5809 | vrc = RTFileOpen (&file, filePath, RTFILE_O_READ);
|
---|
5810 | if (VBOX_SUCCESS (vrc))
|
---|
5811 | {
|
---|
5812 | uint64_t size = 0;
|
---|
5813 | vrc = RTFileGetSize (file, &size);
|
---|
5814 | if (VBOX_SUCCESS (vrc))
|
---|
5815 | mActualSize = size;
|
---|
5816 | RTFileClose (file);
|
---|
5817 | }
|
---|
5818 | if (VBOX_FAILURE (vrc))
|
---|
5819 | break;
|
---|
5820 | }
|
---|
5821 |
|
---|
5822 | /* query logical size only for non-differencing images */
|
---|
5823 | if (!mParent)
|
---|
5824 | {
|
---|
5825 | uint64_t size = VDGetSize (mContainer, 0);
|
---|
5826 | /* convert to MBytes */
|
---|
5827 | mSize = size / 1024 / 1024;
|
---|
5828 | }
|
---|
5829 | }
|
---|
5830 | while (0);
|
---|
5831 |
|
---|
5832 | VDCloseAll (mContainer);
|
---|
5833 |
|
---|
5834 | /* enter the lock again */
|
---|
5835 | alock.enter();
|
---|
5836 |
|
---|
5837 | /* remove the reference */
|
---|
5838 | releaseReader();
|
---|
5839 |
|
---|
5840 | if (FAILED (rc) || VBOX_FAILURE (vrc) || !errMsg.isNull())
|
---|
5841 | {
|
---|
5842 | LogWarningFunc (("'%ls' is not accessible "
|
---|
5843 | "(rc=%08X, vrc=%Vrc, errMsg='%ls')\n",
|
---|
5844 | mFilePathFull.raw(), rc, vrc, errMsg.raw()));
|
---|
5845 |
|
---|
5846 | if (aAccessError)
|
---|
5847 | {
|
---|
5848 | if (!errMsg.isNull())
|
---|
5849 | *aAccessError = errMsg;
|
---|
5850 | else if (!mLastVDError.isNull())
|
---|
5851 | *aAccessError = mLastVDError;
|
---|
5852 | else if (VBOX_FAILURE (vrc))
|
---|
5853 | *aAccessError = Utf8StrFmt (
|
---|
5854 | tr ("Could not access hard disk image '%ls' (%Vrc)"),
|
---|
5855 | mFilePathFull.raw(), vrc);
|
---|
5856 | }
|
---|
5857 |
|
---|
5858 | /* downgrade to not accessible */
|
---|
5859 | mState = Created;
|
---|
5860 | }
|
---|
5861 | else
|
---|
5862 | {
|
---|
5863 | if (aAccessError)
|
---|
5864 | aAccessError->setNull();
|
---|
5865 |
|
---|
5866 | mState = Accessible;
|
---|
5867 | }
|
---|
5868 |
|
---|
5869 | /* inform waiters if there are any */
|
---|
5870 | if (mStateCheckWaiters > 0)
|
---|
5871 | {
|
---|
5872 | RTSemEventMultiSignal (mStateCheckSem);
|
---|
5873 | }
|
---|
5874 | else
|
---|
5875 | {
|
---|
5876 | /* delete the semaphore ourselves */
|
---|
5877 | RTSemEventMultiDestroy (mStateCheckSem);
|
---|
5878 | mStateCheckSem = NIL_RTSEMEVENTMULTI;
|
---|
5879 | }
|
---|
5880 |
|
---|
5881 | /* cleanup the last error report from VDError() */
|
---|
5882 | mLastVDError.setNull();
|
---|
5883 |
|
---|
5884 | return rc;
|
---|
5885 | }
|
---|
5886 |
|
---|
5887 | /**
|
---|
5888 | * Helper to create hard disk images.
|
---|
5889 | *
|
---|
5890 | * @param aSize size in MB
|
---|
5891 | * @param aDynamic dynamic or fixed image
|
---|
5892 | * @param aProgress address of IProgress pointer to return
|
---|
5893 | */
|
---|
5894 | HRESULT HVHDImage::createImage (ULONG64 aSize, BOOL aDynamic,
|
---|
5895 | IProgress **aProgress)
|
---|
5896 | {
|
---|
5897 | ComAssertMsgFailed (("Not implemented"));
|
---|
5898 | return E_NOTIMPL;
|
---|
5899 |
|
---|
5900 | /// @todo later
|
---|
5901 | // Use code from HVirtualDiskImage::createImage as an example.
|
---|
5902 | }
|
---|
5903 |
|
---|
5904 | /* static */
|
---|
5905 | DECLCALLBACK(int) HVHDImage::VDITaskThread (RTTHREAD thread, void *pvUser)
|
---|
5906 | {
|
---|
5907 | AssertMsgFailed (("Not implemented"));
|
---|
5908 | return VERR_GENERAL_FAILURE;
|
---|
5909 |
|
---|
5910 | /// @todo later
|
---|
5911 | // Use code from HVirtualDiskImage::VDITaskThread as an example.
|
---|
5912 | }
|
---|
5913 |
|
---|
5914 | /* static */
|
---|
5915 | DECLCALLBACK(void) HVHDImage::VDError (void *pvUser, int rc, RT_SRC_POS_DECL,
|
---|
5916 | const char *pszFormat, va_list va)
|
---|
5917 | {
|
---|
5918 | HVHDImage *that = static_cast <HVHDImage *> (pvUser);
|
---|
5919 | AssertReturnVoid (that != NULL);
|
---|
5920 |
|
---|
5921 | /// @todo pass the error message to the operation initiator
|
---|
5922 | Utf8Str err = Utf8StrFmtVA (pszFormat, va);
|
---|
5923 | if (VBOX_FAILURE (rc))
|
---|
5924 | err = Utf8StrFmt ("%s (%Vrc)", err.raw(), rc);
|
---|
5925 |
|
---|
5926 | if (that->mLastVDError.isNull())
|
---|
5927 | that->mLastVDError = err;
|
---|
5928 | else
|
---|
5929 | that->mLastVDError = Utf8StrFmt
|
---|
5930 | ("%s.\n%s", that->mLastVDError.raw(), err.raw());
|
---|
5931 | }
|
---|
5932 |
|
---|