| 1 | /* $Id: tstSSM-2.cpp 76454 2018-12-25 01:48:48Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * Saved State Manager Testcase: Extract the content of a saved state.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2015-2017 Oracle Corporation
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | */
|
|---|
| 17 |
|
|---|
| 18 |
|
|---|
| 19 | /*********************************************************************************************************************************
|
|---|
| 20 | * Header Files *
|
|---|
| 21 | *********************************************************************************************************************************/
|
|---|
| 22 | #include <VBox/vmm/ssm.h>
|
|---|
| 23 |
|
|---|
| 24 | #include <VBox/log.h>
|
|---|
| 25 | #include <iprt/getopt.h>
|
|---|
| 26 | #include <iprt/errcore.h>
|
|---|
| 27 | #include <iprt/file.h>
|
|---|
| 28 | #include <iprt/path.h>
|
|---|
| 29 | #include <iprt/stream.h>
|
|---|
| 30 |
|
|---|
| 31 | static RTEXITCODE extractUnit(const char *pszFilename, const char *pszUnitname, const char *pszOutputFilename)
|
|---|
| 32 | {
|
|---|
| 33 | PSSMHANDLE pSSM;
|
|---|
| 34 | int rc = SSMR3Open(pszFilename, 0, &pSSM);
|
|---|
| 35 | RTEXITCODE rcExit = RTEXITCODE_FAILURE;
|
|---|
| 36 | if (RT_SUCCESS(rc))
|
|---|
| 37 | {
|
|---|
| 38 | RTFILE hFile;
|
|---|
| 39 | rc = RTFileOpen(&hFile, pszOutputFilename, RTFILE_O_DENY_NONE | RTFILE_O_WRITE | RTFILE_O_CREATE);
|
|---|
| 40 | if (RT_SUCCESS(rc))
|
|---|
| 41 | {
|
|---|
| 42 | uint32_t version = 0;
|
|---|
| 43 | rc = SSMR3Seek(pSSM, pszUnitname, 0 /* iInstance */, &version);
|
|---|
| 44 | size_t cbUnit = 0;
|
|---|
| 45 | if (RT_SUCCESS(rc))
|
|---|
| 46 | {
|
|---|
| 47 | for (;;)
|
|---|
| 48 | {
|
|---|
| 49 | uint8_t u8;
|
|---|
| 50 | rc = SSMR3GetU8(pSSM, &u8);
|
|---|
| 51 | if (RT_FAILURE(rc))
|
|---|
| 52 | break;
|
|---|
| 53 | size_t cbWritten;
|
|---|
| 54 | rc = RTFileWrite(hFile, &u8, sizeof(u8), &cbWritten);
|
|---|
| 55 | cbUnit++;
|
|---|
| 56 | }
|
|---|
| 57 | RTPrintf("Unit size %zu bytes, version %d\n", cbUnit, version);
|
|---|
| 58 | }
|
|---|
| 59 | else
|
|---|
| 60 | RTPrintf("Cannot find unit '%s' (%Rrc)\n", pszUnitname, rc);
|
|---|
| 61 | RTFileClose(hFile);
|
|---|
| 62 | }
|
|---|
| 63 | else
|
|---|
| 64 | RTPrintf("Cannot open output file '%s' (%Rrc)\n", pszOutputFilename, rc);
|
|---|
| 65 | SSMR3Close(pSSM);
|
|---|
| 66 | }
|
|---|
| 67 | else
|
|---|
| 68 | RTPrintf("Cannot open SSM file '%s' (%Rrc)\n", pszFilename, rc);
|
|---|
| 69 | return rcExit;
|
|---|
| 70 | }
|
|---|
| 71 |
|
|---|
| 72 | int main(int argc, char **argv)
|
|---|
| 73 | {
|
|---|
| 74 | if (argc != 4)
|
|---|
| 75 | {
|
|---|
| 76 | RTPrintf("Usage: %s <SSM filename> <SSM unitname> <outfile>\n", RTPathFilename(argv[0]));
|
|---|
| 77 | /* don't fail by default */
|
|---|
| 78 | return RTEXITCODE_SUCCESS;
|
|---|
| 79 | }
|
|---|
| 80 | return extractUnit(argv[1], argv[2], argv[3]);
|
|---|
| 81 | }
|
|---|
