VirtualBox

source: vbox/trunk/src/VBox/Main/testcase/tstGuestCtrlParseBuffer.cpp@ 83820

Last change on this file since 83820 was 82968, checked in by vboxsync, 5 years ago

Copyright year updates by scm.
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1/* $Id: tstGuestCtrlParseBuffer.cpp 82968 2020-02-04 10:35:17Z vboxsync $ */
2/** @file
3 * Output stream parsing test cases.
4 */
5
6/*
7 * Copyright (C) 2011-2020 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#define LOG_GROUP LOG_GROUP_MAIN
23#include <VBox/err.h>
24#include <VBox/log.h>
25
26#include "../include/GuestCtrlImplPrivate.h"
27
28using namespace com;
29
30#include <iprt/env.h>
31#include <iprt/test.h>
32#include <iprt/stream.h>
33
34#ifndef BYTE
35# define BYTE uint8_t
36#endif
37
38
39/*********************************************************************************************************************************
40* Defined Constants And Macros *
41*********************************************************************************************************************************/
42#define STR_SIZE(a_sz) a_sz, sizeof(a_sz)
43
44
45/*********************************************************************************************************************************
46* Structures and Typedefs *
47*********************************************************************************************************************************/
48typedef struct VBOXGUESTCTRL_BUFFER_VALUE
49{
50 char *pszValue;
51} VBOXGUESTCTRL_BUFFER_VALUE, *PVBOXGUESTCTRL_BUFFER_VALUE;
52typedef std::map< RTCString, VBOXGUESTCTRL_BUFFER_VALUE > GuestBufferMap;
53typedef std::map< RTCString, VBOXGUESTCTRL_BUFFER_VALUE >::iterator GuestBufferMapIter;
54typedef std::map< RTCString, VBOXGUESTCTRL_BUFFER_VALUE >::const_iterator GuestBufferMapIterConst;
55
56
57/*********************************************************************************************************************************
58* Global Variables *
59*********************************************************************************************************************************/
60char szUnterm1[] = { 'a', 's', 'd', 'f' };
61char szUnterm2[] = { 'f', 'o', 'o', '3', '=', 'b', 'a', 'r', '3' };
62
63static struct
64{
65 const char *pbData;
66 size_t cbData;
67 uint32_t uOffsetStart;
68 uint32_t uOffsetAfter;
69 uint32_t uMapElements;
70 int iResult;
71} g_aTestBlock[] =
72{
73 /*
74 * Single object parsing.
75 * An object is represented by one or multiple key=value pairs which are
76 * separated by a single "\0". If this termination is missing it will be assumed
77 * that we need to collect more data to do a successful parsing.
78 */
79 /* Invalid stuff. */
80 { NULL, 0, 0, 0, 0, VERR_INVALID_POINTER },
81 { NULL, 512, 0, 0, 0, VERR_INVALID_POINTER },
82 { "", 0, 0, 0, 0, VERR_INVALID_PARAMETER },
83 { "", 0, 0, 0, 0, VERR_INVALID_PARAMETER },
84 { "foo=bar1", 0, 0, 0, 0, VERR_INVALID_PARAMETER },
85 { "foo=bar2", 0, 50, 50, 0, VERR_INVALID_PARAMETER },
86 /* Empty buffers. */
87 { "", 1, 0, 1, 0, VINF_SUCCESS },
88 { "\0", 1, 0, 1, 0, VINF_SUCCESS },
89 /* Unterminated values (missing "\0"). */
90 { STR_SIZE("test1"), 0, 0, 0, VERR_MORE_DATA },
91 { STR_SIZE("test2="), 0, 0, 0, VERR_MORE_DATA },
92 { STR_SIZE("test3=test3"), 0, 0, 0, VERR_MORE_DATA },
93 { STR_SIZE("test4=test4\0t41"), 0, sizeof("test4=test4\0") - 1, 1, VERR_MORE_DATA },
94 { STR_SIZE("test5=test5\0t51=t51"), 0, sizeof("test5=test5\0") - 1, 1, VERR_MORE_DATA },
95 /* Next block unterminated. */
96 { STR_SIZE("t51=t51\0t52=t52\0\0t53=t53"), 0, sizeof("t51=t51\0t52=t52\0") - 1, 2, VINF_SUCCESS },
97 { STR_SIZE("test6=test6\0\0t61=t61"), 0, sizeof("test6=test6\0") - 1, 1, VINF_SUCCESS },
98 /* Good stuff. */
99 { STR_SIZE("test61=\0test611=test611\0"), 0, sizeof("test61=\0test611=test611\0") - 1, 2, VINF_SUCCESS },
100 { STR_SIZE("test7=test7\0\0"), 0, sizeof("test7=test7\0") - 1, 1, VINF_SUCCESS },
101 { STR_SIZE("test8=test8\0t81=t81\0\0"), 0, sizeof("test8=test8\0t81=t81\0") - 1, 2, VINF_SUCCESS },
102 /* Good stuff, but with a second block -- should be *not* taken into account since
103 * we're only interested in parsing/handling the first object. */
104 { STR_SIZE("t9=t9\0t91=t91\0\0t92=t92\0\0"), 0, sizeof("t9=t9\0t91=t91\0") - 1, 2, VINF_SUCCESS },
105 /* Nasty stuff. */
106 /* iso 8859-1 encoding (?) of 'aou' all with diaeresis '=f' and 'ao' with diaeresis. */
107 { STR_SIZE("\xe4\xf6\xfc=\x66\xe4\xf6\0\0"), 0, sizeof("\xe4\xf6\xfc=\x66\xe4\xf6\0") - 1, 1, VINF_SUCCESS },
108 /* Like above, but after the first '\0' it adds 'ooo=aaa' all letters with diaeresis. */
109 { STR_SIZE("\xe4\xf6\xfc=\x66\xe4\xf6\0\xf6\xf6\xf6=\xe4\xe4\xe4"),
110 0, sizeof("\xe4\xf6\xfc=\x66\xe4\xf6\0") - 1, 1, VERR_MORE_DATA },
111 /* Some "real world" examples. */
112 { STR_SIZE("hdr_id=vbt_stat\0hdr_ver=1\0name=foo.txt\0\0"), 0, sizeof("hdr_id=vbt_stat\0hdr_ver=1\0name=foo.txt\0") - 1,
113 3, VINF_SUCCESS }
114};
115
116static struct
117{
118 const char *pbData;
119 size_t cbData;
120 /** Number of data blocks retrieved. These are separated by "\0\0". */
121 uint32_t uNumBlocks;
122 /** Overall result when done parsing. */
123 int iResult;
124} g_aTestStream[] =
125{
126 /* No blocks. */
127 { "\0\0\0\0", sizeof("\0\0\0\0"), 0, VERR_NO_DATA },
128 /* Good stuff. */
129 { "\0b1=b1\0\0", sizeof("\0b1=b1\0\0"), 1, VERR_NO_DATA },
130 { "b1=b1\0\0", sizeof("b1=b1\0\0"), 1, VERR_NO_DATA },
131 { "b1=b1\0b2=b2\0\0", sizeof("b1=b1\0b2=b2\0\0"), 1, VERR_NO_DATA },
132 { "b1=b1\0b2=b2\0\0\0", sizeof("b1=b1\0b2=b2\0\0\0"), 1, VERR_NO_DATA }
133};
134
135int manualTest(void)
136{
137 int rc = VINF_SUCCESS;
138 static struct
139 {
140 const char *pbData;
141 size_t cbData;
142 uint32_t uOffsetStart;
143 uint32_t uOffsetAfter;
144 uint32_t uMapElements;
145 int iResult;
146 } s_aTest[] =
147 {
148 { "test5=test5\0t51=t51", sizeof("test5=test5\0t51=t51"), 0, sizeof("test5=test5\0") - 1, 1, VERR_MORE_DATA },
149 { "\0\0test5=test5\0t51=t51", sizeof("\0\0test5=test5\0t51=t51"), 0, sizeof("\0\0test5=test5\0") - 1, 1, VERR_MORE_DATA },
150 };
151
152 for (unsigned iTest = 0; iTest < RT_ELEMENTS(s_aTest); iTest++)
153 {
154 RTTestIPrintf(RTTESTLVL_DEBUG, "Manual test #%d\n", iTest);
155
156 GuestProcessStream stream;
157 rc = stream.AddData((BYTE *)s_aTest[iTest].pbData, s_aTest[iTest].cbData);
158
159 for (;;)
160 {
161 GuestProcessStreamBlock block;
162 rc = stream.ParseBlock(block);
163 RTTestIPrintf(RTTESTLVL_DEBUG, "\tReturned with rc=%Rrc, numItems=%ld\n",
164 rc, block.GetCount());
165
166 if (block.GetCount())
167 break;
168 }
169 }
170
171 return rc;
172}
173
174int main()
175{
176 RTTEST hTest;
177 int rc = RTTestInitAndCreate("tstParseBuffer", &hTest);
178 if (rc)
179 return rc;
180 RTTestBanner(hTest);
181
182 RTTestIPrintf(RTTESTLVL_DEBUG, "Initializing COM...\n");
183 HRESULT hrc = com::Initialize();
184 if (FAILED(hrc))
185 {
186 RTTestFailed(hTest, "Failed to initialize COM (%Rhrc)!\n", hrc);
187 return RTEXITCODE_FAILURE;
188 }
189
190#ifdef DEBUG_andy
191 rc = manualTest();
192#endif
193
194 RTTestIPrintf(RTTESTLVL_INFO, "Doing basic tests ...\n");
195
196 if (sizeof("sizecheck") != 10)
197 RTTestFailed(hTest, "Basic size test #1 failed (%u <-> 10)", sizeof("sizecheck"));
198 if (sizeof("off=rab") != 8)
199 RTTestFailed(hTest, "Basic size test #2 failed (%u <-> 7)", sizeof("off=rab"));
200 if (sizeof("off=rab\0\0") != 10)
201 RTTestFailed(hTest, "Basic size test #3 failed (%u <-> 10)", sizeof("off=rab\0\0"));
202
203 RTTestIPrintf(RTTESTLVL_INFO, "Doing line tests ...\n");
204
205 /* Don't let the assertions trigger here
206 * -- we rely on the return values in the test(s) below. */
207 RTAssertSetQuiet(true);
208
209 unsigned iTest;
210 for (iTest = 0; iTest < RT_ELEMENTS(g_aTestBlock); iTest++)
211 {
212 RTTestIPrintf(RTTESTLVL_DEBUG, "=> Test #%u\n", iTest);
213
214 GuestProcessStream stream;
215 int iResult = stream.AddData((BYTE*)g_aTestBlock[iTest].pbData, g_aTestBlock[iTest].cbData);
216 if (RT_SUCCESS(iResult))
217 {
218 GuestProcessStreamBlock curBlock;
219 iResult = stream.ParseBlock(curBlock);
220 if (iResult != g_aTestBlock[iTest].iResult)
221 {
222 RTTestFailed(hTest, "\tReturned %Rrc, expected %Rrc\n",
223 iResult, g_aTestBlock[iTest].iResult);
224 }
225 else if (stream.GetOffset() != g_aTestBlock[iTest].uOffsetAfter)
226 {
227 RTTestFailed(hTest, "\tOffset %zu wrong, expected %u\n",
228 stream.GetOffset(), g_aTestBlock[iTest].uOffsetAfter);
229 }
230 else if (iResult == VERR_MORE_DATA)
231 {
232 RTTestIPrintf(RTTESTLVL_DEBUG, "\tMore data (Offset: %zu)\n", stream.GetOffset());
233 }
234
235 if ( ( RT_SUCCESS(iResult)
236 || iResult == VERR_MORE_DATA))
237 {
238 if (curBlock.GetCount() != g_aTestBlock[iTest].uMapElements)
239 {
240 RTTestFailed(hTest, "\tMap has %u elements, expected %u\n",
241 curBlock.GetCount(), g_aTestBlock[iTest].uMapElements);
242 }
243 }
244
245 /* There is remaining data left in the buffer (which needs to be merged
246 * with a following buffer) -- print it. */
247 size_t off = stream.GetOffset();
248 size_t cbToWrite = g_aTestBlock[iTest].cbData - off;
249 if (cbToWrite)
250 {
251 RTTestIPrintf(RTTESTLVL_DEBUG, "\tRemaining (%u):\n", cbToWrite);
252
253 /* How to properly get the current RTTESTLVL (aka IPRT_TEST_MAX_LEVEL) here?
254 * Hack alert: Using RTEnvGet for now. */
255 if (!RTStrICmp(RTEnvGet("IPRT_TEST_MAX_LEVEL"), "debug"))
256 RTStrmWriteEx(g_pStdOut, &g_aTestBlock[iTest].pbData[off], cbToWrite - 1, NULL);
257 }
258 }
259 }
260
261 RTTestIPrintf(RTTESTLVL_INFO, "Doing block tests ...\n");
262
263 for (iTest = 0; iTest < RT_ELEMENTS(g_aTestStream); iTest++)
264 {
265 RTTestIPrintf(RTTESTLVL_DEBUG, "=> Block test #%u\n", iTest);
266
267 GuestProcessStream stream;
268 int iResult = stream.AddData((BYTE*)g_aTestStream[iTest].pbData, g_aTestStream[iTest].cbData);
269 if (RT_SUCCESS(iResult))
270 {
271 uint32_t uNumBlocks = 0;
272 uint8_t uSafeCouunter = 0;
273 do
274 {
275 GuestProcessStreamBlock curBlock;
276 iResult = stream.ParseBlock(curBlock);
277 RTTestIPrintf(RTTESTLVL_DEBUG, "\tReturned with %Rrc\n", iResult);
278 if (RT_SUCCESS(iResult))
279 {
280 /* Only count block which have at least one pair. */
281 if (curBlock.GetCount())
282 uNumBlocks++;
283 }
284 if (uSafeCouunter++ > 32)
285 break;
286 } while (RT_SUCCESS(iResult));
287
288 if (iResult != g_aTestStream[iTest].iResult)
289 {
290 RTTestFailed(hTest, "\tReturned %Rrc, expected %Rrc\n",
291 iResult, g_aTestStream[iTest].iResult);
292 }
293 else if (uNumBlocks != g_aTestStream[iTest].uNumBlocks)
294 {
295 RTTestFailed(hTest, "\tReturned %u blocks, expected %u\n",
296 uNumBlocks, g_aTestStream[iTest].uNumBlocks);
297 }
298 }
299 else
300 RTTestFailed(hTest, "\tAdding data failed with %Rrc", iResult);
301 }
302
303 RTTestIPrintf(RTTESTLVL_DEBUG, "Shutting down COM...\n");
304 com::Shutdown();
305
306 /*
307 * Summary.
308 */
309 return RTTestSummaryAndDestroy(hTest);
310}
311
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