1 | /* $Id: tstVDCopy.vd 66664 2017-04-24 18:42:49Z vboxsync $ */
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2 | /**
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3 | * Storage: Testcase for VDCopy with snapshots and optimizations.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2011 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 |
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18 | void main()
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19 | {
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20 | /* Init I/O RNG for generating random data for writes. */
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21 | iorngcreate(10M, "manual", 1234567890);
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22 |
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23 | /* Create source disk and fill data. */
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24 | print("Creating Source Disk");
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25 | createdisk("source", false);
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26 | create("source", "base", "source_base.vdi", "dynamic", "VDI", 1G, false, false);
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27 | io("source", false, 1, "rnd", 64K, 0, 512M, 256M, 100, "none");
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28 |
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29 | print("Creating first diff");
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30 | create("source", "diff", "source_diff1.vdi", "dynamic", "VDI", 1G, false, false);
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31 | io("source", false, 1, "rnd", 64K, 512M, 1G, 256M, 50, "none");
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32 |
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33 | print("Creating second diff");
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34 | create("source", "diff", "source_diff2.vdi", "dynamic", "VDI", 1G, false, false);
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35 | io("source", false, 1, "rnd", 1M, 0, 1G, 45M, 100, "none");
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36 |
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37 | print("Creating third diff");
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38 | create("source", "diff", "source_diff3.vdi", "dynamic", "VDI", 1G, false, false);
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39 | io("source", false, 1, "rnd", 1M, 0, 1G, 45M, 100, "none");
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40 |
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41 | print("Creating fourth diff");
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42 | create("source", "diff", "source_diff4.vdi", "dynamic", "VDI", 1G, false, false);
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43 | io("source", false, 1, "rnd", 1M, 0, 1G, 45M, 100, "none");
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44 |
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45 | print("Creating destination disk");
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46 | createdisk("dest", false);
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47 |
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48 | print("Copying base image");
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49 | copy("source", "dest", 0, "VDI", "dest_base.vdi", false, 0, 0xffffffff, 0xffffffff); /* Image content unknown */
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50 |
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51 | print("Copying first diff optimized");
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52 | copy("source", "dest", 1, "VDI", "dest_diff1.vdi", false, 0, 0, 0);
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53 |
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54 | print("Copying other diffs optimized");
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55 | copy("source", "dest", 2, "VDI", "dest_diff2.vdi", false, 0, 1, 1);
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56 | copy("source", "dest", 3, "VDI", "dest_diff3.vdi", false, 0, 2, 2);
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57 | copy("source", "dest", 4, "VDI", "dest_diff4.vdi", false, 0, 3, 3);
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58 |
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59 | print("Comparing disks");
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60 | comparedisks("source", "dest");
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61 |
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62 | printfilesize("source", 0);
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63 | printfilesize("source", 1);
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64 | printfilesize("source", 2);
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65 | printfilesize("source", 3);
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66 | printfilesize("source", 4);
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67 |
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68 | printfilesize("dest", 0);
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69 | printfilesize("dest", 1);
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70 | printfilesize("dest", 2);
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71 | printfilesize("dest", 3);
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72 | printfilesize("dest", 4);
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73 |
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74 | print("Cleaning up");
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75 | close("dest", "single", true);
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76 | close("dest", "single", true);
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77 | close("dest", "single", true);
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78 | close("dest", "single", true);
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79 | close("dest", "single", true);
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80 |
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81 | close("source", "single", true);
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82 | close("source", "single", true);
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83 | close("source", "single", true);
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84 | close("source", "single", true);
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85 | close("source", "single", true);
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86 | destroydisk("source");
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87 | destroydisk("dest");
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88 |
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89 | iorngdestroy();
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90 | }
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