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 Sun Microsystems, Inc.
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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 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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18 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
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19 | * additional information or have any questions.
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20 | */
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21 |
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22 | #include "HardDiskAttachmentImpl.h"
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23 |
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24 | #include "Logging.h"
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25 |
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26 | // constructor / destructor
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27 | /////////////////////////////////////////////////////////////////////////////
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28 |
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29 | HRESULT HardDisk2Attachment::FinalConstruct()
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30 | {
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31 | return S_OK;
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32 | }
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33 |
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34 | void HardDisk2Attachment::FinalRelease()
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35 | {
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36 | uninit();
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37 | }
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38 |
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39 | // public initializer/uninitializer for internal purposes only
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40 | /////////////////////////////////////////////////////////////////////////////
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41 |
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42 | /**
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43 | * Initializes the hard disk attachment object.
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44 | *
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45 | * @param aHD Hard disk object.
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46 | * @param aBus Bus type.
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47 | * @param aChannel Channel number.
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48 | * @param aDevice Device number on the channel.
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49 | * @param aImplicit Wether the attachment contains an implicitly created diff.
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50 | */
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51 | HRESULT HardDisk2Attachment::init (HardDisk2 *aHD, StorageBus_T aBus, LONG aChannel,
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52 | LONG aDevice, bool aImplicit /*= false*/)
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53 | {
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54 | AssertReturn (aHD, E_INVALIDARG);
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55 |
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56 | /* Enclose the state transition NotReady->InInit->Ready */
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57 | AutoInitSpan autoInitSpan (this);
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58 | AssertReturn (autoInitSpan.isOk(), E_UNEXPECTED);
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59 |
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60 | m.hardDisk = aHD;
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61 | unconst (m.bus) = aBus;
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62 | unconst (m.channel) = aChannel;
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63 | unconst (m.device) = aDevice;
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64 |
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65 | m.implicit = aImplicit;
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66 |
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67 | /* Confirm a successful initialization when it's the case */
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68 | autoInitSpan.setSucceeded();
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69 |
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70 | return S_OK;
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71 | }
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72 |
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73 | /**
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74 | * Uninitializes the instance.
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75 | * Called from FinalRelease().
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76 | */
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77 | void HardDisk2Attachment::uninit()
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78 | {
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79 | /* Enclose the state transition Ready->InUninit->NotReady */
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80 | AutoUninitSpan autoUninitSpan (this);
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81 | if (autoUninitSpan.uninitDone())
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82 | return;
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83 | }
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84 |
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85 | // IHardDisk2Attachment properties
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86 | /////////////////////////////////////////////////////////////////////////////
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87 |
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88 | STDMETHODIMP HardDisk2Attachment::COMGETTER(HardDisk) (IHardDisk2 **aHardDisk)
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89 | {
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90 | if (!aHardDisk)
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91 | return E_POINTER;
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92 |
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93 | AutoCaller autoCaller (this);
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94 | CheckComRCReturnRC (autoCaller.rc());
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95 |
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96 | AutoReadLock alock (this);
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97 |
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98 | m.hardDisk.queryInterfaceTo (aHardDisk);
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99 |
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100 | return S_OK;
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101 | }
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102 |
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103 | STDMETHODIMP HardDisk2Attachment::COMGETTER(Bus) (StorageBus_T *aBus)
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104 | {
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105 | if (!aBus)
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106 | return E_POINTER;
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107 |
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108 | AutoCaller autoCaller (this);
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109 | CheckComRCReturnRC (autoCaller.rc());
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110 |
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111 | /* m.bus is constant during life time, no need to lock */
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112 | *aBus = m.bus;
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113 |
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114 | return S_OK;
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115 | }
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116 |
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117 | STDMETHODIMP HardDisk2Attachment::COMGETTER(Channel) (LONG *aChannel)
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118 | {
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119 | if (!aChannel)
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120 | return E_INVALIDARG;
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121 |
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122 | AutoCaller autoCaller (this);
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123 | CheckComRCReturnRC (autoCaller.rc());
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124 |
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125 | /* m.channel is constant during life time, no need to lock */
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126 | *aChannel = m.channel;
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127 |
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128 | return S_OK;
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129 | }
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130 |
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131 | STDMETHODIMP HardDisk2Attachment::COMGETTER(Device) (LONG *aDevice)
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132 | {
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133 | if (!aDevice)
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134 | return E_INVALIDARG;
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135 |
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136 | AutoCaller autoCaller (this);
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137 | CheckComRCReturnRC (autoCaller.rc());
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138 |
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139 | /* m.device is constant during life time, no need to lock */
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140 | *aDevice = m.device;
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141 |
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142 | return S_OK;
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143 | }
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144 |
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