| 1 | /* $Id: tstVDShareable.vd 93115 2022-01-01 11:31:46Z vboxsync $ */
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| 2 | /**
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| 3 | * Storage: Testcase for shareable disks.
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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 disk containers. */
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| 24 | createdisk("shared1", false);
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| 25 | createdisk("shared2", false);
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| 26 |
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| 27 | /* Create the disk and close it. */
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| 28 | create("shared1", "base", "tstShared.vdi", "fixed", "VDI", 20M, false, false);
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| 29 | close("shared1", "all", false);
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| 30 |
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| 31 | /* Open the disk with sharing enabled. */
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| 32 | open("shared1", "tstShared.vdi", "VDI", true /* fAsync */, true /* fShareable */, false, false, false, false);
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| 33 | open("shared2", "tstShared.vdi", "VDI", true /* fAsync */, true /* fShareable */, false, false, false, false);
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| 34 |
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| 35 | /* Write to one disk and verify that the other disk can see the content. */
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| 36 | io("shared1", true, 32, "seq", 64K, 0, 20M, 20M, 100, "none");
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| 37 | comparedisks("shared1", "shared2");
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| 38 |
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| 39 | /* Write to the second disk and verify that the first can see the content. */
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| 40 | io("shared2", true, 64, "seq", 8K, 0, 20M, 20M, 50, "none");
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| 41 | comparedisks("shared1", "shared2");
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| 42 |
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| 43 | /* Close but don't delete yet. */
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| 44 | close("shared1", "all", false);
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| 45 | close("shared2", "all", false);
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| 46 |
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| 47 | /* Open and delete. */
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| 48 | open("shared1", "tstShared.vdi", "VDI", false /* fAsync */, false /* fShareable */, false, false, false, false);
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| 49 | close("shared1", "single", true);
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| 50 |
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| 51 | /* Cleanup */
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| 52 | destroydisk("shared1");
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| 53 | destroydisk("shared2");
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| 54 | iorngdestroy();
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| 55 | }
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| 56 |
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