| 1 | /* $Id: tstGuestCtrlParseBuffer.cpp 63161 2016-08-08 12:51:16Z vboxsync $ */
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| 2 | /** @file
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| 3 | * Output stream parsing test cases.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2011-2016 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 |
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| 18 | #define LOG_ENABLED
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| 19 | #define LOG_GROUP LOG_GROUP_MAIN
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| 20 | #include <VBox/log.h>
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| 21 |
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| 22 | #include "../include/GuestCtrlImplPrivate.h"
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| 23 |
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| 24 | using namespace com;
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| 25 |
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| 26 | #include <iprt/env.h>
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| 27 | #include <iprt/test.h>
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| 28 | #include <iprt/stream.h>
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| 29 |
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| 30 | #ifndef BYTE
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| 31 | # define BYTE uint8_t
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| 32 | #endif
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| 33 |
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| 34 | typedef struct VBOXGUESTCTRL_BUFFER_VALUE
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| 35 | {
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| 36 | char *pszValue;
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| 37 | } VBOXGUESTCTRL_BUFFER_VALUE, *PVBOXGUESTCTRL_BUFFER_VALUE;
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| 38 | typedef std::map< RTCString, VBOXGUESTCTRL_BUFFER_VALUE > GuestBufferMap;
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| 39 | typedef std::map< RTCString, VBOXGUESTCTRL_BUFFER_VALUE >::iterator GuestBufferMapIter;
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| 40 | typedef std::map< RTCString, VBOXGUESTCTRL_BUFFER_VALUE >::const_iterator GuestBufferMapIterConst;
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| 41 |
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| 42 | char szUnterm1[] = { 'a', 's', 'd', 'f' };
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| 43 | char szUnterm2[] = { 'f', 'o', 'o', '3', '=', 'b', 'a', 'r', '3' };
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| 44 |
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| 45 | static struct
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| 46 | {
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| 47 | const char *pbData;
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| 48 | size_t cbData;
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| 49 | uint32_t uOffsetStart;
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| 50 | uint32_t uOffsetAfter;
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| 51 | uint32_t uMapElements;
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| 52 | int iResult;
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| 53 | } aTestBlock[] =
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| 54 | {
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| 55 | /*
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| 56 | * Single object parsing.
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| 57 | * An object is represented by one or multiple key=value pairs which are
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| 58 | * separated by a single "\0". If this termination is missing it will be assumed
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| 59 | * that we need to collect more data to do a successful parsing.
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| 60 | */
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| 61 | /* Invalid stuff. */
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| 62 | { NULL, 0, 0, 0, 0, VERR_INVALID_POINTER },
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| 63 | { NULL, 512, 0, 0, 0, VERR_INVALID_POINTER },
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| 64 | { "", 0, 0, 0, 0, VERR_INVALID_PARAMETER },
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| 65 | { "", 0, 0, 0, 0, VERR_INVALID_PARAMETER },
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| 66 | { "foo=bar1", 0, 0, 0, 0, VERR_INVALID_PARAMETER },
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| 67 | { "foo=bar2", 0, 50, 50, 0, VERR_INVALID_PARAMETER },
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| 68 | /* Empty buffers. */
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| 69 | { "", 1, 0, 1, 0, VINF_SUCCESS },
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| 70 | { "\0", 1, 0, 1, 0, VINF_SUCCESS },
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| 71 | /* Unterminated values (missing "\0"). */
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| 72 | { "test1", sizeof("test1"), 0, 0, 0, VERR_MORE_DATA },
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| 73 | { "test2=", sizeof("test2="), 0, 0, 0, VERR_MORE_DATA },
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| 74 | { "test3=test3", sizeof("test3=test3"), 0, 0, 0, VERR_MORE_DATA },
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| 75 | { "test4=test4\0t41", sizeof("test4=test4\0t41"), 0, sizeof("test4=test4\0") - 1, 1, VERR_MORE_DATA },
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| 76 | { "test5=test5\0t51=t51", sizeof("test5=test5\0t51=t51"), 0, sizeof("test5=test5\0") - 1, 1, VERR_MORE_DATA },
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| 77 | /* Next block unterminated. */
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| 78 | { "t51=t51\0t52=t52\0\0t53=t53", sizeof("t51=t51\0t52=t52\0\0t53=t53"), 0, sizeof("t51=t51\0t52=t52\0") - 1, 2, VINF_SUCCESS },
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| 79 | { "test6=test6\0\0t61=t61", sizeof("test6=test6\0\0t61=t61"), 0, sizeof("test6=test6\0") - 1, 1, VINF_SUCCESS },
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| 80 | /* Good stuff. */
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| 81 | { "test61=\0test611=test611\0", sizeof("test61=\0test611=test611\0"), 0, sizeof("test61=\0test611=test611\0") - 1, 2, VINF_SUCCESS },
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| 82 | { "test7=test7\0\0", sizeof("test7=test7\0\0"), 0, sizeof("test7=test7\0") - 1, 1, VINF_SUCCESS },
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| 83 | { "test8=test8\0t81=t81\0\0", sizeof("test8=test8\0t81=t81\0\0"), 0, sizeof("test8=test8\0t81=t81\0") - 1, 2, VINF_SUCCESS },
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| 84 | /* Good stuff, but with a second block -- should be *not* taken into account since
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| 85 | * we're only interested in parsing/handling the first object. */
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| 86 | { "t9=t9\0t91=t91\0\0t92=t92\0\0", sizeof("t9=t9\0t91=t91\0\0t92=t92\0\0"), 0, sizeof("t9=t9\0t91=t91\0") - 1, 2, VINF_SUCCESS },
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| 87 | /* Nasty stuff. */
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| 88 | { "äöü=fäö\0\0", sizeof("äöü=fäö\0\0"), 0, sizeof("äöü=fäö\0") - 1, 1, VINF_SUCCESS },
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| 89 | { "äöü=fäö\0ööö=äää", sizeof("äöü=fäö\0ööö=äää"), 0, sizeof("äöü=fäö\0") - 1, 1, VERR_MORE_DATA },
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| 90 | /* Some "real world" examples. */
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| 91 | { "hdr_id=vbt_stat\0hdr_ver=1\0name=foo.txt\0\0",
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| 92 | sizeof("hdr_id=vbt_stat\0hdr_ver=1\0name=foo.txt\0\0"),
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| 93 | 0, sizeof("hdr_id=vbt_stat\0hdr_ver=1\0name=foo.txt\0") - 1,
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| 94 | 3, VINF_SUCCESS }
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| 95 | };
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| 96 |
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| 97 | static struct
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| 98 | {
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| 99 | const char *pbData;
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| 100 | size_t cbData;
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| 101 | /** Number of data blocks retrieved. These are separated by "\0\0". */
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| 102 | uint32_t uNumBlocks;
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| 103 | /** Overall result when done parsing. */
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| 104 | int iResult;
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| 105 | } aTestStream[] =
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| 106 | {
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| 107 | /* No blocks. */
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| 108 | { "\0\0\0\0", sizeof("\0\0\0\0"), 0, VERR_NO_DATA },
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| 109 | /* Good stuff. */
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| 110 | { "\0b1=b1\0\0", sizeof("\0b1=b1\0\0"), 1, VERR_NO_DATA },
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| 111 | { "b1=b1\0\0", sizeof("b1=b1\0\0"), 1, VERR_NO_DATA },
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| 112 | { "b1=b1\0b2=b2\0\0", sizeof("b1=b1\0b2=b2\0\0"), 1, VERR_NO_DATA },
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| 113 | { "b1=b1\0b2=b2\0\0\0", sizeof("b1=b1\0b2=b2\0\0\0"), 1, VERR_NO_DATA }
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| 114 | };
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| 115 |
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| 116 | int manualTest(void)
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| 117 | {
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| 118 | int rc = VINF_SUCCESS;
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| 119 | static struct
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| 120 | {
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| 121 | const char *pbData;
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| 122 | size_t cbData;
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| 123 | uint32_t uOffsetStart;
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| 124 | uint32_t uOffsetAfter;
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| 125 | uint32_t uMapElements;
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| 126 | int iResult;
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| 127 | } aTest[] =
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| 128 | {
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| 129 | { "test5=test5\0t51=t51", sizeof("test5=test5\0t51=t51"), 0, sizeof("test5=test5\0") - 1, 1, VERR_MORE_DATA },
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| 130 | { "\0\0test5=test5\0t51=t51", sizeof("\0\0test5=test5\0t51=t51"), 0, sizeof("\0\0test5=test5\0") - 1, 1, VERR_MORE_DATA },
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| 131 | };
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| 132 |
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| 133 | for (unsigned iTest = 0; iTest < RT_ELEMENTS(aTest); iTest++)
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| 134 | {
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| 135 | RTTestIPrintf(RTTESTLVL_DEBUG, "Manual test #%d\n", iTest);
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| 136 |
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| 137 | GuestProcessStream stream;
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| 138 | rc = stream.AddData((BYTE*)aTest[iTest].pbData, aTest[iTest].cbData);
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| 139 |
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| 140 | for (;;)
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| 141 | {
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| 142 | GuestProcessStreamBlock block;
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| 143 | rc = stream.ParseBlock(block);
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| 144 | RTTestIPrintf(RTTESTLVL_DEBUG, "\tReturned with rc=%Rrc, numItems=%ld\n",
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| 145 | rc, block.GetCount());
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| 146 |
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| 147 | if (block.GetCount())
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| 148 | break;
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| 149 | }
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| 150 | }
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| 151 |
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| 152 | return rc;
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| 153 | }
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| 154 |
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| 155 | int main()
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| 156 | {
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| 157 | RTTEST hTest;
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| 158 | int rc = RTTestInitAndCreate("tstParseBuffer", &hTest);
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| 159 | if (rc)
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| 160 | return rc;
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| 161 | RTTestBanner(hTest);
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| 162 |
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| 163 | RTTestIPrintf(RTTESTLVL_DEBUG, "Initializing COM...\n");
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| 164 | HRESULT hrc = com::Initialize();
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| 165 | if (FAILED(hrc))
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| 166 | {
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| 167 | RTTestFailed(hTest, "Failed to initialize COM (%Rhrc)!\n", hrc);
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| 168 | return RTEXITCODE_FAILURE;
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| 169 | }
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| 170 |
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| 171 | #ifdef DEBUG_andy
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| 172 | rc = manualTest();
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| 173 | #endif
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| 174 |
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| 175 | RTTestIPrintf(RTTESTLVL_INFO, "Doing basic tests ...\n");
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| 176 |
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| 177 | if (sizeof("sizecheck") != 10)
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| 178 | RTTestFailed(hTest, "Basic size test #1 failed (%u <-> 10)", sizeof("sizecheck"));
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| 179 | if (sizeof("off=rab") != 8)
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| 180 | RTTestFailed(hTest, "Basic size test #2 failed (%u <-> 7)", sizeof("off=rab"));
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| 181 | if (sizeof("off=rab\0\0") != 10)
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| 182 | RTTestFailed(hTest, "Basic size test #3 failed (%u <-> 10)", sizeof("off=rab\0\0"));
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| 183 |
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| 184 | RTTestIPrintf(RTTESTLVL_INFO, "Doing line tests ...\n");
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| 185 |
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| 186 | /* Don't let the assertions trigger here
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| 187 | * -- we rely on the return values in the test(s) below. */
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| 188 | RTAssertSetQuiet(true);
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| 189 |
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| 190 | unsigned iTest;
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| 191 | for (iTest = 0; iTest < RT_ELEMENTS(aTestBlock); iTest++)
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| 192 | {
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| 193 | RTTestIPrintf(RTTESTLVL_DEBUG, "=> Test #%u\n", iTest);
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| 194 |
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| 195 | GuestProcessStream stream;
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| 196 | int iResult = stream.AddData((BYTE*)aTestBlock[iTest].pbData, aTestBlock[iTest].cbData);
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| 197 | if (RT_SUCCESS(iResult))
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| 198 | {
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| 199 | GuestProcessStreamBlock curBlock;
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| 200 | iResult = stream.ParseBlock(curBlock);
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| 201 | if (iResult != aTestBlock[iTest].iResult)
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| 202 | {
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| 203 | RTTestFailed(hTest, "\tReturned %Rrc, expected %Rrc\n",
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| 204 | iResult, aTestBlock[iTest].iResult);
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| 205 | }
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| 206 | else if (stream.GetOffset() != aTestBlock[iTest].uOffsetAfter)
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| 207 | {
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| 208 | RTTestFailed(hTest, "\tOffset %zu wrong, expected %u\n",
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| 209 | stream.GetOffset(), aTestBlock[iTest].uOffsetAfter);
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| 210 | }
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| 211 | else if (iResult == VERR_MORE_DATA)
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| 212 | {
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| 213 | RTTestIPrintf(RTTESTLVL_DEBUG, "\tMore data (Offset: %zu)\n", stream.GetOffset());
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| 214 | }
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| 215 |
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| 216 | if ( ( RT_SUCCESS(iResult)
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| 217 | || iResult == VERR_MORE_DATA))
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| 218 | {
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| 219 | if (curBlock.GetCount() != aTestBlock[iTest].uMapElements)
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| 220 | {
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| 221 | RTTestFailed(hTest, "\tMap has %u elements, expected %u\n",
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| 222 | curBlock.GetCount(), aTestBlock[iTest].uMapElements);
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| 223 | }
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| 224 | }
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| 225 |
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| 226 | /* There is remaining data left in the buffer (which needs to be merged
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| 227 | * with a following buffer) -- print it. */
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| 228 | size_t uOffset = stream.GetOffset();
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| 229 | size_t uToWrite = aTestBlock[iTest].cbData - uOffset;
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| 230 | if (uToWrite)
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| 231 | {
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| 232 | const char *pszRemaining = aTestBlock[iTest].pbData;
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| 233 | RTTestIPrintf(RTTESTLVL_DEBUG, "\tRemaining (%u):\n", uToWrite);
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| 234 |
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| 235 | /* How to properly get the current RTTESTLVL (aka IPRT_TEST_MAX_LEVEL) here?
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| 236 | * Hack alert: Using RTEnvGet for now. */
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| 237 | if (!RTStrICmp(RTEnvGet("IPRT_TEST_MAX_LEVEL"), "debug"))
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| 238 | RTStrmWriteEx(g_pStdOut, &aTestBlock[iTest].pbData[uOffset], uToWrite - 1, NULL);
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| 239 | }
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| 240 | }
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| 241 | }
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| 242 |
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| 243 | RTTestIPrintf(RTTESTLVL_INFO, "Doing block tests ...\n");
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| 244 |
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| 245 | for (iTest = 0; iTest < RT_ELEMENTS(aTestStream); iTest++)
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| 246 | {
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| 247 | RTTestIPrintf(RTTESTLVL_DEBUG, "=> Block test #%u\n", iTest);
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| 248 |
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| 249 | GuestProcessStream stream;
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| 250 | int iResult = stream.AddData((BYTE*)aTestStream[iTest].pbData, aTestStream[iTest].cbData);
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| 251 | if (RT_SUCCESS(iResult))
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| 252 | {
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| 253 | uint32_t uNumBlocks = 0;
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| 254 | uint8_t uSafeCouunter = 0;
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| 255 | do
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| 256 | {
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| 257 | GuestProcessStreamBlock curBlock;
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| 258 | iResult = stream.ParseBlock(curBlock);
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| 259 | RTTestIPrintf(RTTESTLVL_DEBUG, "\tReturned with %Rrc\n", iResult);
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| 260 | if (RT_SUCCESS(iResult))
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| 261 | {
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| 262 | /* Only count block which have at least one pair. */
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| 263 | if (curBlock.GetCount())
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| 264 | uNumBlocks++;
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| 265 | }
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| 266 | if (uSafeCouunter++ > 32)
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| 267 | break;
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| 268 | } while (RT_SUCCESS(iResult));
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| 269 |
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| 270 | if (iResult != aTestStream[iTest].iResult)
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| 271 | {
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| 272 | RTTestFailed(hTest, "\tReturned %Rrc, expected %Rrc\n",
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| 273 | iResult, aTestStream[iTest].iResult);
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| 274 | }
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| 275 | else if (uNumBlocks != aTestStream[iTest].uNumBlocks)
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| 276 | {
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| 277 | RTTestFailed(hTest, "\tReturned %u blocks, expected %u\n",
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| 278 | uNumBlocks, aTestStream[iTest].uNumBlocks);
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| 279 | }
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| 280 | }
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| 281 | else
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| 282 | RTTestFailed(hTest, "\tAdding data failed with %Rrc", iResult);
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| 283 | }
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| 284 |
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| 285 | RTTestIPrintf(RTTESTLVL_DEBUG, "Shutting down COM...\n");
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| 286 | com::Shutdown();
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| 287 |
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| 288 | /*
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| 289 | * Summary.
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| 290 | */
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| 291 | return RTTestSummaryAndDestroy(hTest);
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| 292 | }
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| 293 |
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