1 | /* $Id: tstRTDvm.cpp 62477 2016-07-22 18:27:37Z vboxsync $ */
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2 | /** @file
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3 | * IPRT Testcase - IPRT Disk Volume Management (DVM)
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2009-2016 Oracle Corporation
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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 | * The contents of this file may alternatively be used under the terms
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18 | * of the Common Development and Distribution License Version 1.0
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19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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20 | * VirtualBox OSE distribution, in which case the provisions of the
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21 | * CDDL are applicable instead of those of the GPL.
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22 | *
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23 | * You may elect to license modified versions of this file under the
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24 | * terms and conditions of either the GPL or the CDDL or both.
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25 | */
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26 |
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27 |
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28 | /*********************************************************************************************************************************
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29 | * Header Files *
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30 | *********************************************************************************************************************************/
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31 | #include <iprt/dvm.h>
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32 |
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33 | #include <iprt/err.h>
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34 | #include <iprt/test.h>
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35 | #include <iprt/file.h>
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36 | #include <iprt/string.h>
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37 |
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38 |
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39 | /*********************************************************************************************************************************
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40 | * Structures and Typedefs *
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41 | *********************************************************************************************************************************/
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42 | /**
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43 | * Disk structure.
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44 | */
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45 | typedef struct TSTRTDVMDISK
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46 | {
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47 | /** Flag whether this disk uses the image file or a volume. */
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48 | bool fUseImage;
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49 | /** Data dependent on the flag. */
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50 | union
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51 | {
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52 | /** File handle of the image. */
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53 | RTFILE hImage;
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54 | /** Handle of the volume. */
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55 | RTDVMVOLUME hVol;
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56 | };
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57 | } TSTRTDVMDISK, *PTSTRTDVMDISK;
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58 |
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59 |
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60 |
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61 | static DECLCALLBACK(int) dvmDiskRead(void *pvUser, uint64_t off, void *pvBuf, size_t cbRead)
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62 | {
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63 | PTSTRTDVMDISK pDisk = (PTSTRTDVMDISK)pvUser;
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64 |
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65 | if (pDisk->fUseImage)
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66 | return RTFileReadAt(pDisk->hImage, off, pvBuf, cbRead, NULL);
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67 | return RTDvmVolumeRead(pDisk->hVol, off, pvBuf, cbRead);
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68 | }
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69 |
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70 | static DECLCALLBACK(int) dvmDiskWrite(void *pvUser, uint64_t off, const void *pvBuf, size_t cbWrite)
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71 | {
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72 | PTSTRTDVMDISK pDisk = (PTSTRTDVMDISK)pvUser;
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73 |
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74 | if (pDisk->fUseImage)
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75 | return RTFileWriteAt(pDisk->hImage, off, pvBuf, cbWrite, NULL);
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76 | return RTDvmVolumeWrite(pDisk->hVol, off, pvBuf, cbWrite);
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77 | }
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78 |
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79 | static int tstRTDvmVolume(RTTEST hTest, PTSTRTDVMDISK pDisk, uint64_t cb, unsigned cNesting)
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80 | {
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81 | char szPrefix[100];
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82 | int rc = VINF_SUCCESS;
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83 |
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84 | RT_ZERO(szPrefix);
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85 |
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86 | if (cNesting < sizeof(szPrefix) - 1)
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87 | {
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88 | for (unsigned i = 0; i < cNesting; i++)
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89 | szPrefix[i] = '\t';
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90 | }
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91 |
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92 | RTTestSubF(hTest, "Create DVM");
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93 | RTDVM hVolMgr;
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94 | rc = RTDvmCreate(&hVolMgr, dvmDiskRead, dvmDiskWrite, cb, 512, 0, pDisk);
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95 | if (RT_FAILURE(rc))
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96 | {
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97 | RTTestIFailed("RTDvmCreate -> %Rrc", rc);
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98 | return RTTestSummaryAndDestroy(hTest);
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99 | }
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100 |
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101 | RTTestSubF(hTest, "Open volume map");
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102 | rc = RTDvmMapOpen(hVolMgr);
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103 | if ( RT_FAILURE(rc)
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104 | && rc != VERR_NOT_SUPPORTED)
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105 | {
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106 | RTTestIFailed("RTDvmOpen -> %Rrc", rc);
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107 | return RTTestSummaryAndDestroy(hTest);
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108 | }
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109 | if (rc == VERR_NOT_SUPPORTED)
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110 | return VINF_SUCCESS;
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111 |
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112 | RTTestIPrintf(RTTESTLVL_ALWAYS, "%s Successfully opened map with format: %s.\n", szPrefix, RTDvmMapGetFormat(hVolMgr));
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113 |
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114 | /* Dump all volumes. */
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115 | RTTestSubF(hTest, "Dump volumes");
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116 | uint32_t cVolume = 0;
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117 | RTDVMVOLUME hVol;
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118 |
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119 | rc = RTDvmMapQueryFirstVolume(hVolMgr, &hVol);
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120 |
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121 | while (RT_SUCCESS(rc))
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122 | {
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123 | char *pszVolName = NULL;
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124 | RTDVMVOLTYPE enmVolType = RTDvmVolumeGetType(hVol);
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125 | uint64_t fVolFlags = RTDvmVolumeGetFlags(hVol);
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126 |
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127 | RTTestIPrintf(RTTESTLVL_ALWAYS, "%s Volume %u:\n", szPrefix, cVolume);
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128 | RTTestIPrintf(RTTESTLVL_ALWAYS, "%s Volume type %s\n", szPrefix, RTDvmVolumeTypeGetDescr(enmVolType));
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129 | RTTestIPrintf(RTTESTLVL_ALWAYS, "%s Volume size %llu\n", szPrefix, RTDvmVolumeGetSize(hVol));
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130 | RTTestIPrintf(RTTESTLVL_ALWAYS, "%s Volume flags %s %s\n\n", szPrefix,
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131 | fVolFlags & DVMVOLUME_FLAGS_BOOTABLE ? "Bootable" : "",
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132 | fVolFlags & DVMVOLUME_FLAGS_ACTIVE ? "Active" : "");
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133 |
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134 | rc = RTDvmVolumeQueryName(hVol, &pszVolName);
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135 | if (RT_SUCCESS(rc))
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136 | {
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137 | RTTestIPrintf(RTTESTLVL_ALWAYS, "%s Volume name %s.\n", szPrefix, pszVolName);
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138 | RTStrFree(pszVolName);
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139 | }
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140 | else if (rc != VERR_NOT_SUPPORTED)
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141 | RTTestIFailed("RTDvmVolumeQueryName -> %Rrc", rc);
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142 | else
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143 | rc = VINF_SUCCESS;
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144 |
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145 | /*
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146 | * Query all volumes which might be inside this.
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147 | * (think of MBR partitions with a bsdlabel inside)
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148 | */
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149 | TSTRTDVMDISK Disk;
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150 | Disk.fUseImage = false;
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151 | Disk.hVol = hVol;
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152 | rc = tstRTDvmVolume(hTest, &Disk, RTDvmVolumeGetSize(hVol), cNesting + 1);
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153 |
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154 | RTDVMVOLUME hVolNext;
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155 | rc = RTDvmMapQueryNextVolume(hVolMgr, hVol, &hVolNext);
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156 | RTDvmVolumeRelease(hVol);
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157 | hVol = hVolNext;
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158 | cVolume++;
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159 | }
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160 |
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161 | RTTestIPrintf(RTTESTLVL_ALWAYS, "%s Dumped %u volumes\n", szPrefix, cVolume);
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162 |
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163 | if ( rc == VERR_DVM_MAP_EMPTY
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164 | || rc == VERR_DVM_MAP_NO_VOLUME)
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165 | rc = VINF_SUCCESS;
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166 |
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167 | RTTESTI_CHECK(rc == VINF_SUCCESS);
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168 |
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169 | RTDvmRelease(hVolMgr);
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170 |
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171 | return rc;
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172 | }
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173 |
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174 | int main(int argc, char **argv)
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175 | {
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176 | /*
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177 | * Initialize IPRT and create the test.
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178 | */
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179 | RTTEST hTest;
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180 | int rc = RTTestInitAndCreate("tstRTDvm", &hTest);
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181 | if (rc)
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182 | return rc;
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183 | RTTestBanner(hTest);
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184 |
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185 | /*
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186 | * If no args, display usage.
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187 | */
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188 | if (argc < 2)
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189 | {
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190 | RTTestPrintf(hTest, RTTESTLVL_ALWAYS, "Syntax: %s <image>\n", argv[0]);
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191 | return RTTestSkipAndDestroy(hTest, "Missing required arguments\n");
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192 | }
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193 |
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194 | /* Open image. */
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195 | RTFILE hFile;
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196 | uint64_t cb = 0;
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197 | rc = RTFileOpen(&hFile, argv[1], RTFILE_O_OPEN | RTFILE_O_DENY_NONE | RTFILE_O_READWRITE);
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198 | if (RT_FAILURE(rc))
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199 | {
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200 | RTTestIFailed("RTFileOpen -> %Rrc", rc);
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201 | return RTTestSummaryAndDestroy(hTest);
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202 | }
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203 |
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204 | rc = RTFileGetSize(hFile, &cb);
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205 | if ( RT_FAILURE(rc)
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206 | || cb % 512 != 0) /* Assume 512 byte sector size. */
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207 | {
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208 | RTTestIFailed("RTFileGetSize -> %Rrc", rc);
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209 | return RTTestSummaryAndDestroy(hTest);
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210 | }
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211 |
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212 | TSTRTDVMDISK Disk;
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213 |
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214 | Disk.fUseImage = true;
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215 | Disk.hImage = hFile;
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216 | rc = tstRTDvmVolume(hTest, &Disk, cb, 0);
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217 |
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218 | RTTESTI_CHECK(rc == VINF_SUCCESS);
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219 |
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220 | /*
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221 | * Summary
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222 | */
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223 | return RTTestSummaryAndDestroy(hTest);
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224 | }
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225 |
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