| 1 | /* $Id: tstVDCopy.vd 93115 2022-01-01 11:31:46Z 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) 2011-2022 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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