tstRTLocalIpc.cpp@ 75734

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1	/* $Id: tstRTLocalIpc.cpp 69111 2017-10-17 14:26:02Z vboxsync $ */
2	/** @file
3	* IPRT Testcase - RTLocalIpc API.
4	*/
5
6	/*
7	* Copyright (C) 2013-2017 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	* The contents of this file may alternatively be used under the terms
18	* of the Common Development and Distribution License Version 1.0
19	* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20	* VirtualBox OSE distribution, in which case the provisions of the
21	* CDDL are applicable instead of those of the GPL.
22	*
23	* You may elect to license modified versions of this file under the
24	* terms and conditions of either the GPL or the CDDL or both.
25	*/
26
27
28	/*********************************************************************************************************************************
29	* Header Files *
30	*********************************************************************************************************************************/
31	#include <iprt/localipc.h>
32
33	#include <iprt/asm.h>
34	#include <iprt/env.h>
35	#include <iprt/initterm.h>
36	#include <iprt/mem.h>
37	#include <iprt/message.h>
38	#include <iprt/path.h>
39	#include <iprt/process.h>
40	#include <iprt/rand.h>
41	#include <iprt/string.h>
42	#include <iprt/test.h>
43	#include <iprt/thread.h>
44	#include <iprt/time.h>
45
46
47	/*********************************************************************************************************************************
48	* Global Variables *
49	*********************************************************************************************************************************/
50	/** The test instance.*/
51	static RTTEST g_hTest;
52
53
54
55	static void testBasics(void)
56	{
57	RTTestISub("Basics");
58
59	/* Server-side. */
60	RTTESTI_CHECK_RC(RTLocalIpcServerCreate(NULL, NULL, 0), VERR_INVALID_POINTER);
61	RTLOCALIPCSERVER hIpcServer;
62	int rc;
63	RTTESTI_CHECK_RC(rc = RTLocalIpcServerCreate(&hIpcServer, NULL, 0), VERR_INVALID_POINTER);
64	if (RT_SUCCESS(rc)) RTLocalIpcServerDestroy(hIpcServer);
65	RTTESTI_CHECK_RC(rc = RTLocalIpcServerCreate(&hIpcServer, "", 0), VERR_INVALID_NAME);
66	if (RT_SUCCESS(rc)) RTLocalIpcServerDestroy(hIpcServer);
67	RTTESTI_CHECK_RC(rc = RTLocalIpcServerCreate(&hIpcServer, "BasicTest", 1234 /* Invalid flags */), VERR_INVALID_FLAGS);
68	if (RT_SUCCESS(rc)) RTLocalIpcServerDestroy(hIpcServer);
69
70	RTTESTI_CHECK_RC(RTLocalIpcServerCancel(NULL), VERR_INVALID_HANDLE);
71	RTTESTI_CHECK_RC(RTLocalIpcServerDestroy(NULL), VINF_SUCCESS);
72
73	/* Basic server creation / destruction. */
74	RTTESTI_CHECK_RC_RETV(RTLocalIpcServerCreate(&hIpcServer, "BasicTest", 0), VINF_SUCCESS);
75	RTTESTI_CHECK_RC(RTLocalIpcServerCancel(hIpcServer), VINF_SUCCESS);
76	RTTESTI_CHECK_RC(RTLocalIpcServerDestroy(hIpcServer), VINF_OBJECT_DESTROYED);
77
78	/* Client-side (per session). */
79	RTTESTI_CHECK_RC(RTLocalIpcSessionConnect(NULL, NULL, 0), VERR_INVALID_POINTER);
80	RTLOCALIPCSESSION hIpcSession;
81	RTTESTI_CHECK_RC(RTLocalIpcSessionConnect(&hIpcSession, NULL, 0), VERR_INVALID_POINTER);
82	if (RT_SUCCESS(rc)) RTLocalIpcSessionClose(hIpcSession);
83	RTTESTI_CHECK_RC(RTLocalIpcSessionConnect(&hIpcSession, "", 0), VERR_INVALID_NAME);
84	if (RT_SUCCESS(rc)) RTLocalIpcSessionClose(hIpcSession);
85	RTTESTI_CHECK_RC(RTLocalIpcSessionConnect(&hIpcSession, "BasicTest", 1234 /* Invalid flags */), VERR_INVALID_FLAGS);
86	if (RT_SUCCESS(rc)) RTLocalIpcSessionClose(hIpcSession);
87
88	RTTESTI_CHECK_RC(RTLocalIpcSessionCancel(NULL), VERR_INVALID_HANDLE);
89	RTTESTI_CHECK_RC(RTLocalIpcSessionClose(NULL), VINF_SUCCESS);
90
91	/* Basic client creation / destruction. */
92	RTTESTI_CHECK_RC_RETV(rc = RTLocalIpcSessionConnect(&hIpcSession, "BasicTest", 0), VERR_FILE_NOT_FOUND);
93	if (RT_SUCCESS(rc)) RTLocalIpcSessionClose(hIpcSession);
94	//RTTESTI_CHECK_RC(RTLocalIpcServerCancel(hIpcServer), VERR_INVALID_HANDLE); - accessing freed memory, bad idea.
95	//RTTESTI_CHECK_RC(RTLocalIpcServerDestroy(hIpcServer), VERR_INVALID_HANDLE); - accessing freed memory, bad idea.
96	}
97
98
99
100	/*********************************************************************************************************************************
101	* *
102	* testSessionConnection - Connecting. *
103	* *
104	*********************************************************************************************************************************/
105
106	static DECLCALLBACK(int) testServerListenThread(RTTHREAD hSelf, void *pvUser)
107	{
108	RTLOCALIPCSERVER hIpcServer = (RTLOCALIPCSERVER)pvUser;
109	RTTEST_CHECK_RC_OK_RET(g_hTest, RTTestSetDefault(g_hTest, NULL), rcCheck);
110
111	RTTESTI_CHECK_RC_OK(RTThreadUserSignal(hSelf));
112
113	int rc;
114	for (;;)
115	{
116	RTLOCALIPCSESSION hIpcSession;
117	rc = RTLocalIpcServerListen(hIpcServer, &hIpcSession);
118	if (RT_SUCCESS(rc))
119	{
120	RTThreadSleep(8); /* windows output fudge (purely esthetical) */
121	RTTestIPrintf(RTTESTLVL_INFO, "testServerListenThread: Got new client connection.\n");
122	RTTESTI_CHECK_RC(RTLocalIpcSessionClose(hIpcSession), VINF_OBJECT_DESTROYED);
123	}
124	else
125	{
126	RTTESTI_CHECK_RC(rc, VERR_CANCELLED);
127	break;
128	}
129	}
130	return rc;
131	}
132
133
134	/**
135	* Used both as a thread procedure and child process worker.
136	*/
137	static DECLCALLBACK(int) tstRTLocalIpcSessionConnectionChild(RTTHREAD hSelf, void *pvUser)
138	{
139	RTLOCALIPCSESSION hClientSession;
140	RT_NOREF_PV(hSelf); RT_NOREF_PV(pvUser);
141
142	RTTEST_CHECK_RC_OK_RET(g_hTest, RTTestSetDefault(g_hTest, NULL), rcCheck);
143
144	RTTEST_CHECK_RC_RET(g_hTest, RTLocalIpcSessionConnect(&hClientSession, "tstRTLocalIpcSessionConnection",0 /* Flags */),
145	VINF_SUCCESS, rcCheck);
146	RTTEST_CHECK_RC_RET(g_hTest, RTLocalIpcSessionClose(hClientSession),
147	VINF_OBJECT_DESTROYED, rcCheck);
148
149	return VINF_SUCCESS;
150	}
151
152
153	static void testSessionConnection(const char *pszExecPath)
154	{
155	RTTestISub(!pszExecPath ? "Connect from thread" : "Connect from child");
156
157	/*
158	* Create the test server.
159	*/
160	RTLOCALIPCSERVER hIpcServer;
161	RTTESTI_CHECK_RC_RETV(RTLocalIpcServerCreate(&hIpcServer, "tstRTLocalIpcSessionConnection", 0), VINF_SUCCESS);
162
163	/*
164	* Create worker thread that listens and closes incoming connections until
165	* cancelled.
166	*/
167	int rc;
168	RTTHREAD hListenThread;
169	RTTESTI_CHECK_RC_OK(rc = RTThreadCreate(&hListenThread, testServerListenThread, hIpcServer, 0 /* Stack */,
170	RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, "listen-1"));
171	if (RT_SUCCESS(rc))
172	{
173	RTThreadUserWait(hListenThread, 32);
174
175	/*
176	* Two variations here: Client connects from thread or a child process.
177	*/
178	if (pszExecPath)
179	{
180	RTPROCESS hClientProc;
181	const char *apszArgs[4] = { pszExecPath, "child", "tstRTLocalIpcSessionConnectionChild", NULL };
182	RTTESTI_CHECK_RC_OK(rc = RTProcCreate(pszExecPath, apszArgs, RTENV_DEFAULT, 0 /* fFlags*/, &hClientProc));
183	if (RT_SUCCESS(rc))
184	{
185	RTPROCSTATUS ProcStatus;
186	RTTESTI_CHECK_RC_OK(rc = RTProcWait(hClientProc, RTPROCWAIT_FLAGS_BLOCK, &ProcStatus));
187	if (RT_SUCCESS(rc) && (ProcStatus.enmReason != RTPROCEXITREASON_NORMAL \|\| ProcStatus.iStatus != 0))
188	RTTestIFailed("Chiled exited with enmReason=%d iStatus=%d", ProcStatus.enmReason, ProcStatus.iStatus);
189	}
190	}
191	else
192	{
193	RTTHREAD hClientThread;
194	RTTESTI_CHECK_RC_OK(rc = RTThreadCreate(&hClientThread, tstRTLocalIpcSessionConnectionChild, NULL,
195	0 /* Stack */, RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, "client-1"));
196	if (RT_SUCCESS(rc))
197	{
198	int rcThread;
199	RTTESTI_CHECK_RC_OK(rc = RTThreadWait(hClientThread, RT_MS_1MIN / 2, &rcThread));
200	if (RT_SUCCESS(rc))
201	RTTESTI_CHECK_RC(rcThread, VINF_SUCCESS);
202	}
203	}
204
205
206	/*
207	* Terminate the server thread.
208	*/
209	//RTTestIPrintf(RTTESTLVL_INFO, "Child terminated, waiting for server thread ...\n");
210	RTTESTI_CHECK_RC(RTLocalIpcServerCancel(hIpcServer), VINF_SUCCESS);
211	int rcThread;
212	RTTESTI_CHECK_RC(rc = RTThreadWait(hListenThread, 30 * 1000 /* 30s timeout */, &rcThread), VINF_SUCCESS);
213	if (RT_SUCCESS(rc))
214	RTTESTI_CHECK_RC(rcThread, VERR_CANCELLED);
215	}
216
217	RTTESTI_CHECK_RC(RTLocalIpcServerDestroy(hIpcServer), VINF_OBJECT_DESTROYED);
218	}
219
220
221
222	/*********************************************************************************************************************************
223	* *
224	* testSessionWait - RTLocalIpcSessionWaitForData. *
225	* *
226	*********************************************************************************************************************************/
227
228	static DECLCALLBACK(int) testSessionWaitThread(RTTHREAD hSelf, void *pvUser)
229	{
230	RTLOCALIPCSERVER hIpcServer = (RTLOCALIPCSERVER)pvUser;
231	RTTEST_CHECK_RC_OK_RET(g_hTest, RTTestSetDefault(g_hTest, NULL), rcCheck);
232
233	int rc;
234	for (;;)
235	{
236	RTLOCALIPCSESSION hIpcSession;
237	rc = RTLocalIpcServerListen(hIpcServer, &hIpcSession);
238	if (RT_SUCCESS(rc))
239	{
240	RTTestIPrintf(RTTESTLVL_INFO, "testSessionWaitThread: Got new client connection.\n");
241
242	/* Wait for the client to trigger a disconnect by writing us something. */
243	RTTESTI_CHECK_RC(RTLocalIpcSessionWaitForData(hIpcSession, RT_MS_1MIN), VINF_SUCCESS);
244
245	size_t cbRead;
246	char szCmd[64];
247	RT_ZERO(szCmd);
248	RTTESTI_CHECK_RC(rc = RTLocalIpcSessionReadNB(hIpcSession, szCmd, sizeof(szCmd) - 1, &cbRead), VINF_SUCCESS);
249	if (RT_SUCCESS(rc) && (cbRead != sizeof("disconnect") - 1 \|\| strcmp(szCmd, "disconnect")) )
250	RTTestIFailed("cbRead=%zu, expected %zu; szCmd='%s', expected 'disconnect'\n",
251	cbRead, sizeof("disconnect") - 1, szCmd);
252
253	RTTESTI_CHECK_RC(RTLocalIpcSessionClose(hIpcSession), VINF_OBJECT_DESTROYED);
254	RTTESTI_CHECK_RC_OK(RTThreadUserSignal(hSelf));
255	}
256	else
257	{
258	RTTESTI_CHECK_RC(rc, VERR_CANCELLED);
259	break;
260	}
261	}
262	RTTESTI_CHECK_RC_OK(RTThreadUserSignal(hSelf));
263	return rc;
264	}
265
266
267	/**
268	* Used both as a thread procedure and child process worker.
269	*/
270	static DECLCALLBACK(int) tstRTLocalIpcSessionWaitChild(RTTHREAD hSelf, void *pvUser)
271	{
272	RTTEST_CHECK_RC_OK_RET(g_hTest, RTTestSetDefault(g_hTest, NULL), rcCheck);
273	RT_NOREF_PV(hSelf); RT_NOREF_PV(pvUser);
274
275	RTLOCALIPCSESSION hClientSession;
276	RTTESTI_CHECK_RC_RET(RTLocalIpcSessionConnect(&hClientSession, "tstRTLocalIpcSessionWait", 0 /fFlags/),
277	VINF_SUCCESS, rcCheck);
278
279	/*
280	* The server side won't write anything. It will close the connection
281	* as soon as we write something.
282	*/
283	RTTESTI_CHECK_RC(RTLocalIpcSessionWaitForData(hClientSession, 0 /cMsTimeout/), VERR_TIMEOUT);
284	RTTESTI_CHECK_RC(RTLocalIpcSessionWaitForData(hClientSession, 8 /cMsTimeout/), VERR_TIMEOUT);
285	uint8_t abBuf[4];
286	size_t cbRead = _4M-1;
287	RTTESTI_CHECK_RC(RTLocalIpcSessionReadNB(hClientSession, abBuf, sizeof(abBuf), &cbRead), VINF_TRY_AGAIN);
288	RTTESTI_CHECK(cbRead == 0);
289
290	/* Trigger server disconnect. */
291	int rc;
292	RTTESTI_CHECK_RC(rc = RTLocalIpcSessionWrite(hClientSession, RT_STR_TUPLE("disconnect")), VINF_SUCCESS);
293	if (RT_SUCCESS(rc))
294	{
295	/*
296	* When we wait now, we should get an broken pipe error as
297	* the server has close its end.
298	*/
299	RTTESTI_CHECK_RC(rc = RTLocalIpcSessionWaitForData(hClientSession, RT_MS_1MIN), VERR_BROKEN_PIPE);
300	RTTESTI_CHECK_RC(RTLocalIpcSessionWaitForData(hClientSession, 0), VERR_BROKEN_PIPE);
301	RTTESTI_CHECK_RC(RTLocalIpcSessionWaitForData(hClientSession, RT_MS_1SEC), VERR_BROKEN_PIPE);
302
303	bool fMayPanic = RTAssertSetMayPanic(false);
304	bool fQuiet = RTAssertSetQuiet(true);
305
306	RTTESTI_CHECK_RC(RTLocalIpcSessionWrite(hClientSession, RT_STR_TUPLE("broken")), VERR_BROKEN_PIPE);
307	RTTESTI_CHECK_RC(RTLocalIpcSessionRead(hClientSession, abBuf, sizeof(abBuf), NULL), VERR_BROKEN_PIPE);
308	cbRead = _4M-1;
309	RTTESTI_CHECK_RC(RTLocalIpcSessionRead(hClientSession, abBuf, sizeof(abBuf), &cbRead), VERR_BROKEN_PIPE);
310	cbRead = _1G/2;
311	RTTESTI_CHECK_RC(RTLocalIpcSessionReadNB(hClientSession, abBuf, sizeof(abBuf), &cbRead), VERR_BROKEN_PIPE);
312
313	RTAssertSetMayPanic(fMayPanic);
314	RTAssertSetQuiet(fQuiet);
315	}
316
317	RTTESTI_CHECK_RC(RTLocalIpcSessionClose(hClientSession), VINF_OBJECT_DESTROYED);
318
319	return VINF_SUCCESS;
320	}
321
322
323	/**
324	* @note This is identical to testSessionData with a couple of string and
325	* function pointers replaced.
326	*/
327	static void testSessionWait(const char *pszExecPath)
328	{
329	RTTestISub(!pszExecPath ? "Wait for data in thread" : "Wait for data in child");
330
331	/*
332	* Create the test server.
333	*/
334	RTLOCALIPCSERVER hIpcServer;
335	RTTESTI_CHECK_RC_RETV(RTLocalIpcServerCreate(&hIpcServer, "tstRTLocalIpcSessionWait", 0), VINF_SUCCESS);
336
337	/*
338	* Create worker thread that listens and processes incoming connections
339	* until cancelled.
340	*/
341	int rc;
342	RTTHREAD hListenThread;
343	RTTESTI_CHECK_RC_OK(rc = RTThreadCreate(&hListenThread, testSessionWaitThread, hIpcServer, 0 /* Stack */,
344	RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, "listen-2"));
345	if (RT_SUCCESS(rc))
346	{
347	/*
348	* Create a client process or thread and connects to the server.
349	* It will perform the wait-for-data test.
350	*/
351	RTPROCESS hClientProc = NIL_RTPROCESS;
352	RTTHREAD hClientThread = NIL_RTTHREAD;
353	if (pszExecPath)
354	{
355	const char *apszArgs[4] = { pszExecPath, "child", "tstRTLocalIpcSessionWaitChild", NULL };
356	RTTESTI_CHECK_RC_OK(rc = RTProcCreate(pszExecPath, apszArgs, RTENV_DEFAULT, 0 /* fFlags*/, &hClientProc));
357	}
358	else
359	RTTESTI_CHECK_RC_OK(rc = RTThreadCreate(&hClientThread, tstRTLocalIpcSessionWaitChild, g_hTest, 0 /cbStack/,
360	RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, "client-2"));
361
362	/*
363	* Wait for the server thread to indicate that it has processed one
364	* connection, then shut it all down.
365	*/
366	if (RT_SUCCESS(rc))
367	RTTESTI_CHECK_RC_OK(RTThreadUserWait(hListenThread, RT_MS_1MIN / 2));
368
369	RTTESTI_CHECK_RC(RTLocalIpcServerCancel(hIpcServer), VINF_SUCCESS);
370	int rcThread;
371	RTTESTI_CHECK_RC(rc = RTThreadWait(hListenThread, RT_MS_1MIN / 2, &rcThread), VINF_SUCCESS);
372	if (RT_SUCCESS(rc))
373	RTTESTI_CHECK_RC(rcThread, VERR_CANCELLED);
374
375	RTTESTI_CHECK_RC(RTLocalIpcServerDestroy(hIpcServer), VINF_OBJECT_DESTROYED);
376
377	/*
378	* Check that client ran successfully.
379	*/
380	if (pszExecPath)
381	{
382	if (hClientProc != NIL_RTPROCESS)
383	{
384	RTPROCSTATUS ProcStatus;
385	RTTESTI_CHECK_RC_OK(rc = RTProcWait(hClientProc, RTPROCWAIT_FLAGS_BLOCK, &ProcStatus));
386	if (RT_SUCCESS(rc) && (ProcStatus.enmReason != RTPROCEXITREASON_NORMAL \|\| ProcStatus.iStatus != 0))
387	RTTestIFailed("Chiled exited with enmReason=%d iStatus=%d", ProcStatus.enmReason, ProcStatus.iStatus);
388	}
389	}
390	else if (hClientThread != NIL_RTTHREAD)
391	{
392	RTTESTI_CHECK_RC_OK(rc = RTThreadWait(hClientThread, RT_MS_1MIN / 2, &rcThread));
393	if (RT_SUCCESS(rc))
394	RTTESTI_CHECK_RC(rcThread, VINF_SUCCESS);
395	}
396	}
397	}
398
399
400
401	/*********************************************************************************************************************************
402	* *
403	* testSessionData - Data transfer integrity. *
404	* *
405	*********************************************************************************************************************************/
406
407	/** The max message size. */
408	#define MAX_DATA_MSG_SIZE _1M
409
410	static int testSessionDataReadMessages(RTLOCALIPCSESSION hIpcSession, uint32_t cRounds)
411	{
412	/*
413	* Message scratch buffer. Search message starts with a uint32_t word
414	* that indicates the message length. The remaining words are set to
415	* the message number.
416	*/
417	uint32_t pau32ScratchBuf = (uint32_t )RTMemAlloc(MAX_DATA_MSG_SIZE);
418	RTTESTI_CHECK_RET(pau32ScratchBuf != NULL, VERR_NO_MEMORY);
419
420	int rc = VINF_SUCCESS;
421	for (uint32_t iRound = 0; iRound < cRounds && rc == VINF_SUCCESS; iRound++)
422	{
423	/* Read the message length. */
424	uint32_t cbMsg;
425	RTTESTI_CHECK_RC_BREAK(rc = RTLocalIpcSessionRead(hIpcSession, &cbMsg, sizeof(cbMsg), NULL), VINF_SUCCESS);
426	if (cbMsg >= sizeof(cbMsg) && cbMsg <= MAX_DATA_MSG_SIZE)
427	{
428	pau32ScratchBuf[0] = cbMsg;
429
430	/* Read the message body. */
431	uint32_t cbLeft = cbMsg - sizeof(uint32_t);
432	uint8_t pbCur = (uint8_t )&pau32ScratchBuf[1];
433	while (cbLeft > 0)
434	{
435	uint32_t cbCur = RTRandU32Ex(1, cbLeft + cbLeft / 4);
436	cbCur = RT_MIN(cbCur, cbLeft);
437	if ((iRound % 3) == 1)
438	{
439	size_t cbRead = _1G;
440	RTTESTI_CHECK_RC_BREAK(rc = RTLocalIpcSessionRead(hIpcSession, pbCur, cbCur, &cbRead), VINF_SUCCESS);
441	RTTESTI_CHECK(cbCur >= cbRead);
442	cbCur = (uint32_t)cbRead;
443	}
444	else
445	RTTESTI_CHECK_RC_BREAK(rc = RTLocalIpcSessionRead(hIpcSession, pbCur, cbCur, NULL), VINF_SUCCESS);
446	pbCur += cbCur;
447	cbLeft -= cbCur;
448	}
449
450	/* Check the message body. */
451	if (RT_SUCCESS(rc))
452	{
453	uint32_t offLast = cbMsg & (sizeof(uint32_t) - 1);
454	if (offLast)
455	memcpy((uint8_t )pau32ScratchBuf + cbMsg, (uint8_t const )&iRound + offLast, sizeof(uint32_t) - offLast);
456
457	ASMCompilerBarrier(); /* Guard against theoretical alias issues in the above code. */
458
459	uint32_t cWords = RT_ALIGN_32(cbMsg, sizeof(uint32_t)) / sizeof(uint32_t);
460	for (uint32_t iWord = 1; iWord < cWords; iWord++)
461	if (pau32ScratchBuf[iWord] != iRound)
462	{
463	RTTestIFailed("Message body word #%u mismatch: %#x, expected %#x", iWord, pau32ScratchBuf[iWord], iRound);
464	break;
465	}
466	}
467	}
468	else
469	{
470	RTTestIFailed("cbMsg=%#x is out of range", cbMsg);
471	rc = VERR_OUT_OF_RANGE;
472	}
473	}
474
475	RTMemFree(pau32ScratchBuf);
476	return rc;
477	}
478
479
480	static int testSessionDataWriteMessages(RTLOCALIPCSESSION hIpcSession, uint32_t cRounds)
481	{
482	/*
483	* Message scratch buffer. Search message starts with a uint32_t word
484	* that indicates the message length. The remaining words are set to
485	* the message number.
486	*/
487	uint32_t cbScratchBuf = RTRandU32Ex(64, MAX_DATA_MSG_SIZE);
488	cbScratchBuf = RT_ALIGN_32(cbScratchBuf, sizeof(uint32_t));
489
490	uint32_t pau32ScratchBuf = (uint32_t )RTMemAlloc(cbScratchBuf);
491	RTTESTI_CHECK_RET(pau32ScratchBuf != NULL, VERR_NO_MEMORY);
492
493	size_t cbSent = 0;
494	int rc = VINF_SUCCESS;
495	for (uint32_t iRound = 0; iRound < cRounds && rc == VINF_SUCCESS; iRound++)
496	{
497	/* Construct the message. */
498	uint32_t cbMsg = RTRandU32Ex(sizeof(uint32_t), cbScratchBuf);
499	uint32_t cWords = RT_ALIGN_32(cbMsg, sizeof(uint32_t)) / sizeof(uint32_t);
500
501	uint32_t iWord = 0;
502	pau32ScratchBuf[iWord++] = cbMsg;
503	while (iWord < cWords)
504	pau32ScratchBuf[iWord++] = iRound;
505
506	/* Send it. */
507	uint32_t cbLeft = cbMsg;
508	uint8_t const pbCur = (uint8_t )pau32ScratchBuf;
509	while (cbLeft > 0)
510	{
511	uint32_t cbCur = RT_MIN(iRound + 1, cbLeft);
512	RTTESTI_CHECK_RC_BREAK(rc = RTLocalIpcSessionWrite(hIpcSession, pbCur, cbCur), VINF_SUCCESS);
513	pbCur += cbCur;
514	cbSent += cbCur;
515	cbLeft -= cbCur;
516	}
517	}
518
519	RTTestIPrintf(RTTESTLVL_ALWAYS, "Sent %'zu bytes over %u rounds.\n", cbSent, cRounds);
520	RTMemFree(pau32ScratchBuf);
521	return rc;
522	}
523
524
525	static DECLCALLBACK(int) testSessionDataThread(RTTHREAD hSelf, void *pvUser)
526	{
527	RTLOCALIPCSERVER hIpcServer = (RTLOCALIPCSERVER)pvUser;
528	RTTEST_CHECK_RC_OK_RET(g_hTest, RTTestSetDefault(g_hTest, NULL), rcCheck);
529
530	int rc;
531	for (;;)
532	{
533	RTLOCALIPCSESSION hIpcSession;
534	rc = RTLocalIpcServerListen(hIpcServer, &hIpcSession);
535	if (RT_SUCCESS(rc))
536	{
537	RTTestIPrintf(RTTESTLVL_INFO, "testSessionDataThread: Got new client connection\n");
538
539	/* The server is the initator. First message sets the number of rounds. */
540	uint32_t cRounds = RTRandU32Ex(32, _1K);
541	RTTESTI_CHECK_RC(rc = RTLocalIpcSessionWrite(hIpcSession, &cRounds, sizeof(cRounds)), VINF_SUCCESS);
542	if (RT_SUCCESS(rc))
543	{
544	rc = testSessionDataWriteMessages(hIpcSession, cRounds);
545	if (RT_SUCCESS(rc))
546	rc = testSessionDataReadMessages(hIpcSession, cRounds);
547	}
548
549	RTTESTI_CHECK_RC(RTLocalIpcSessionClose(hIpcSession), VINF_OBJECT_DESTROYED);
550	RTTESTI_CHECK_RC_OK(RTThreadUserSignal(hSelf));
551	}
552	else
553	{
554	RTTESTI_CHECK_RC(rc, VERR_CANCELLED);
555	break;
556	}
557	}
558	RTTESTI_CHECK_RC_OK(RTThreadUserSignal(hSelf));
559	return rc;
560	}
561
562
563	/**
564	* Used both as a thread procedure and child process worker.
565	*/
566	static DECLCALLBACK(int) tstRTLocalIpcSessionDataChild(RTTHREAD hSelf, void *pvUser)
567	{
568	RTTEST_CHECK_RC_OK_RET(g_hTest, RTTestSetDefault(g_hTest, NULL), rcCheck);
569	RT_NOREF_PV(hSelf); RT_NOREF_PV(pvUser);
570
571	/*
572	* Connect.
573	*/
574	RTLOCALIPCSESSION hClientSession;
575	RTTESTI_CHECK_RC_RET(RTLocalIpcSessionConnect(&hClientSession, "tstRTLocalIpcSessionData", 0 /fFlags/),
576	VINF_SUCCESS, rcCheck);
577
578	/*
579	* The server first sends us a rounds count.
580	*/
581	int rc;
582	uint32_t cRounds = 0;
583	RTTESTI_CHECK_RC(rc = RTLocalIpcSessionRead(hClientSession, &cRounds, sizeof(cRounds), NULL), VINF_SUCCESS);
584	if (RT_SUCCESS(rc))
585	{
586	if (cRounds >= 32 && cRounds <= _1K)
587	{
588	rc = testSessionDataReadMessages(hClientSession, cRounds);
589	if (RT_SUCCESS(rc))
590	rc = testSessionDataWriteMessages(hClientSession, cRounds);
591	}
592	else
593	RTTestIFailed("cRounds=%#x is out of range", cRounds);
594	}
595
596	RTTESTI_CHECK_RC(RTLocalIpcSessionClose(hClientSession), VINF_OBJECT_DESTROYED);
597
598	return rc;
599	}
600
601
602	/**
603	* @note This is identical to testSessionWait with a couple of strings, function
604	* pointers, and timeouts replaced.
605	*/
606	static void testSessionData(const char *pszExecPath)
607	{
608	RTTestISub(!pszExecPath ? "Data exchange with thread" : "Data exchange with child");
609
610	/*
611	* Create the test server.
612	*/
613	RTLOCALIPCSERVER hIpcServer;
614	RTTESTI_CHECK_RC_RETV(RTLocalIpcServerCreate(&hIpcServer, "tstRTLocalIpcSessionData", 0), VINF_SUCCESS);
615
616	/*
617	* Create worker thread that listens and processes incoming connections
618	* until cancelled.
619	*/
620	int rc;
621	RTTHREAD hListenThread;
622	RTTESTI_CHECK_RC_OK(rc = RTThreadCreate(&hListenThread, testSessionDataThread, hIpcServer, 0 /* Stack */,
623	RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, "listen-3"));
624	if (RT_SUCCESS(rc))
625	{
626	/*
627	* Create a client thread or process.
628	*/
629	RTPROCESS hClientProc = NIL_RTPROCESS;
630	RTTHREAD hClientThread = NIL_RTTHREAD;
631	if (pszExecPath)
632	{
633	const char *apszArgs[4] = { pszExecPath, "child", "tstRTLocalIpcSessionDataChild", NULL };
634	RTTESTI_CHECK_RC_OK(rc = RTProcCreate(pszExecPath, apszArgs, RTENV_DEFAULT, 0 /* fFlags*/, &hClientProc));
635	}
636	else
637	RTTESTI_CHECK_RC_OK(rc = RTThreadCreate(&hClientThread, tstRTLocalIpcSessionDataChild, g_hTest, 0 /cbStack/,
638	RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, "client-2"));
639
640	/*
641	* Wait for the server thread to indicate that it has processed one
642	* connection, then shut it all down.
643	*/
644	if (RT_SUCCESS(rc))
645	RTTESTI_CHECK_RC_OK(RTThreadUserWait(hListenThread, RT_MS_1MIN * 3));
646
647	RTTESTI_CHECK_RC(RTLocalIpcServerCancel(hIpcServer), VINF_SUCCESS);
648	int rcThread;
649	RTTESTI_CHECK_RC(rc = RTThreadWait(hListenThread, RT_MS_1MIN / 2, &rcThread), VINF_SUCCESS);
650	if (RT_SUCCESS(rc))
651	RTTESTI_CHECK_RC(rcThread, VERR_CANCELLED);
652
653	RTTESTI_CHECK_RC(RTLocalIpcServerDestroy(hIpcServer), VINF_OBJECT_DESTROYED);
654
655	/*
656	* Check that client ran successfully.
657	*/
658	if (pszExecPath)
659	{
660	if (hClientProc != NIL_RTPROCESS)
661	{
662	RTPROCSTATUS ProcStatus;
663	RTTESTI_CHECK_RC_OK(rc = RTProcWait(hClientProc, RTPROCWAIT_FLAGS_BLOCK, &ProcStatus));
664	if (RT_SUCCESS(rc) && (ProcStatus.enmReason != RTPROCEXITREASON_NORMAL \|\| ProcStatus.iStatus != 0))
665	RTTestIFailed("Chiled exited with enmReason=%d iStatus=%d", ProcStatus.enmReason, ProcStatus.iStatus);
666	}
667	}
668	else if (hClientThread != NIL_RTTHREAD)
669	{
670	RTTESTI_CHECK_RC_OK(rc = RTThreadWait(hClientThread, RT_MS_1MIN / 2, &rcThread));
671	if (RT_SUCCESS(rc))
672	RTTESTI_CHECK_RC(rcThread, VINF_SUCCESS);
673	}
674	}
675	}
676
677
678	/*********************************************************************************************************************************
679	* *
680	* testSessionPerf - Performance measurements. *
681	* *
682	*********************************************************************************************************************************/
683
684	#define IPC_PERF_LAST_MSG UINT32_C(0x7fffeeee)
685	#define IPC_PERF_MSG_REPLY(uMsg) ((uMsg) \| RT_BIT_32(31))
686
687
688	static DECLCALLBACK(int) testSessionPerfThread(RTTHREAD hSelf, void *pvUser)
689	{
690	RTLOCALIPCSERVER hIpcServer = (RTLOCALIPCSERVER)pvUser;
691	RTTEST_CHECK_RC_OK_RET(g_hTest, RTTestSetDefault(g_hTest, NULL), rcCheck);
692
693	int rc;
694	for (;;)
695	{
696	RTLOCALIPCSESSION hIpcSession;
697	rc = RTLocalIpcServerListen(hIpcServer, &hIpcSession);
698	if (RT_SUCCESS(rc))
699	{
700	RTTestIPrintf(RTTESTLVL_INFO, "testSessionPerfThread: Got new client connection\n");
701
702	/* The server is the initator, so we start sending messages. */
703	uint64_t cNsElapsed = _4G;
704	uint64_t nsStart = RTTimeNanoTS();
705	uint32_t cMessages = 0;
706	for (;; )
707	{
708	uint32_t uMsg = cMessages;
709	RTTESTI_CHECK_RC_BREAK(rc = RTLocalIpcSessionWrite(hIpcSession, &uMsg, sizeof(uMsg)), VINF_SUCCESS);
710	uMsg = UINT32_MAX;
711	RTTESTI_CHECK_RC_BREAK(rc = RTLocalIpcSessionRead(hIpcSession, &uMsg, sizeof(uMsg), NULL), VINF_SUCCESS);
712	if (uMsg == IPC_PERF_MSG_REPLY(cMessages))
713	{ /* likely */ }
714	else
715	{
716	RTTestIFailed("uMsg=%#x expected %#x", uMsg, IPC_PERF_MSG_REPLY(cMessages));
717	rc = VERR_OUT_OF_RANGE;
718	break;
719	}
720
721	/* next */
722	cMessages++;
723	if (cMessages & _16K)
724	{ /* likely */ }
725	else
726	{
727	cNsElapsed = RTTimeNanoTS() - nsStart;
728	if (cNsElapsed > 2*RT_NS_1SEC_64)
729	{
730	uMsg = IPC_PERF_LAST_MSG;
731	RTTESTI_CHECK_RC_BREAK(rc = RTLocalIpcSessionWrite(hIpcSession, &uMsg, sizeof(uMsg)), VINF_SUCCESS);
732	break;
733	}
734	}
735	}
736	if (RT_SUCCESS(rc))
737	{
738	RTThreadSleep(8); /* windows output fudge (purely esthetical) */
739	RTTestIValue("roundtrip", cNsElapsed / cMessages, RTTESTUNIT_NS_PER_ROUND_TRIP);
740	RTTestIValue("roundtrips", RT_NS_1SEC / (cNsElapsed / cMessages), RTTESTUNIT_OCCURRENCES_PER_SEC);
741	}
742
743	RTTESTI_CHECK_RC(RTLocalIpcSessionClose(hIpcSession), VINF_OBJECT_DESTROYED);
744	RTTESTI_CHECK_RC_OK(RTThreadUserSignal(hSelf));
745	}
746	else
747	{
748	RTTESTI_CHECK_RC(rc, VERR_CANCELLED);
749	break;
750	}
751	}
752	RTTESTI_CHECK_RC_OK(RTThreadUserSignal(hSelf));
753	return rc;
754	}
755
756
757	/**
758	* Used both as a thread procedure and child process worker.
759	*/
760	static DECLCALLBACK(int) tstRTLocalIpcSessionPerfChild(RTTHREAD hSelf, void *pvUser)
761	{
762	RTTEST_CHECK_RC_OK_RET(g_hTest, RTTestSetDefault(g_hTest, NULL), rcCheck);
763	RT_NOREF_PV(hSelf); RT_NOREF_PV(pvUser);
764
765	/*
766	* Connect.
767	*/
768	RTLOCALIPCSESSION hClientSession;
769	RTTESTI_CHECK_RC_RET(RTLocalIpcSessionConnect(&hClientSession, "tstRTLocalIpcSessionPerf", 0 /fFlags/),
770	VINF_SUCCESS, rcCheck);
771
772	/*
773	* Process messages. Server does all the timing and stuff.
774	*/
775	int rc = VINF_SUCCESS;
776	for (uint32_t cMessages = 0; ; cMessages++)
777	{
778	/* Read the next message from the server. */
779	uint32_t uMsg = UINT32_MAX;
780	RTTESTI_CHECK_RC_BREAK(rc = RTLocalIpcSessionRead(hClientSession, &uMsg, sizeof(uMsg), NULL), VINF_SUCCESS);
781	if (uMsg == cMessages)
782	{
783	uMsg = IPC_PERF_MSG_REPLY(uMsg);
784	RTTESTI_CHECK_RC_BREAK(rc = RTLocalIpcSessionWrite(hClientSession, &uMsg, sizeof(uMsg)), VINF_SUCCESS);
785	}
786	else if (uMsg == IPC_PERF_LAST_MSG)
787	break;
788	else
789	{
790	RTTestIFailed("uMsg=%#x expected %#x", uMsg, cMessages);
791	rc = VERR_OUT_OF_RANGE;
792	break;
793	}
794	}
795
796	RTTESTI_CHECK_RC(RTLocalIpcSessionClose(hClientSession), VINF_OBJECT_DESTROYED);
797	return rc;
798	}
799
800
801	/**
802	* @note This is identical to testSessionWait with a couple of string and
803	* function pointers replaced.
804	*/
805	static void testSessionPerf(const char *pszExecPath)
806	{
807	RTTestISub(!pszExecPath ? "Thread performance" : "Child performance");
808
809	/*
810	* Create the test server.
811	*/
812	RTLOCALIPCSERVER hIpcServer;
813	RTTESTI_CHECK_RC_RETV(RTLocalIpcServerCreate(&hIpcServer, "tstRTLocalIpcSessionPerf", 0), VINF_SUCCESS);
814
815	/*
816	* Create worker thread that listens and processes incoming connections
817	* until cancelled.
818	*/
819	int rc;
820	RTTHREAD hListenThread;
821	RTTESTI_CHECK_RC_OK(rc = RTThreadCreate(&hListenThread, testSessionPerfThread, hIpcServer, 0 /* Stack */,
822	RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, "listen-3"));
823	if (RT_SUCCESS(rc))
824	{
825	/*
826	* Create a client thread or process.
827	*/
828	RTPROCESS hClientProc = NIL_RTPROCESS;
829	RTTHREAD hClientThread = NIL_RTTHREAD;
830	if (pszExecPath)
831	{
832	const char *apszArgs[4] = { pszExecPath, "child", "tstRTLocalIpcSessionPerfChild", NULL };
833	RTTESTI_CHECK_RC_OK(rc = RTProcCreate(pszExecPath, apszArgs, RTENV_DEFAULT, 0 /* fFlags*/, &hClientProc));
834	}
835	else
836	RTTESTI_CHECK_RC_OK(rc = RTThreadCreate(&hClientThread, tstRTLocalIpcSessionPerfChild, g_hTest, 0 /cbStack/,
837	RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, "client-2"));
838
839	/*
840	* Wait for the server thread to indicate that it has processed one
841	* connection, then shut it all down.
842	*/
843	if (RT_SUCCESS(rc))
844	RTTESTI_CHECK_RC_OK(RTThreadUserWait(hListenThread, RT_MS_1MIN / 2));
845
846	RTTESTI_CHECK_RC(RTLocalIpcServerCancel(hIpcServer), VINF_SUCCESS);
847	int rcThread;
848	RTTESTI_CHECK_RC(rc = RTThreadWait(hListenThread, RT_MS_1MIN / 2, &rcThread), VINF_SUCCESS);
849	if (RT_SUCCESS(rc))
850	RTTESTI_CHECK_RC(rcThread, VERR_CANCELLED);
851
852	RTTESTI_CHECK_RC(RTLocalIpcServerDestroy(hIpcServer), VINF_OBJECT_DESTROYED);
853
854	/*
855	* Check that client ran successfully.
856	*/
857	if (pszExecPath)
858	{
859	if (hClientProc != NIL_RTPROCESS)
860	{
861	RTPROCSTATUS ProcStatus;
862	RTTESTI_CHECK_RC_OK(rc = RTProcWait(hClientProc, RTPROCWAIT_FLAGS_BLOCK, &ProcStatus));
863	if (RT_SUCCESS(rc) && (ProcStatus.enmReason != RTPROCEXITREASON_NORMAL \|\| ProcStatus.iStatus != 0))
864	RTTestIFailed("Chiled exited with enmReason=%d iStatus=%d", ProcStatus.enmReason, ProcStatus.iStatus);
865	}
866	}
867	else if (hClientThread != NIL_RTTHREAD)
868	{
869	RTTESTI_CHECK_RC_OK(rc = RTThreadWait(hClientThread, RT_MS_1MIN / 2, &rcThread));
870	if (RT_SUCCESS(rc))
871	RTTESTI_CHECK_RC(rcThread, VINF_SUCCESS);
872	}
873	}
874	}
875
876
877	int main(int argc, char **argv)
878	{
879	int rc = RTR3InitExe(argc, &argv, 0);
880	if (RT_FAILURE(rc))
881	return RTMsgInitFailure(rc);
882
883	/*
884	* Main process.
885	*/
886	if (argc == 1)
887	{
888	rc = RTTestCreate("tstRTLocalIpc", &g_hTest);
889	if (RT_FAILURE(rc))
890	return RTEXITCODE_FAILURE;
891	RTTestBanner(g_hTest);
892
893	/* Basics first. */
894	bool fMayPanic = RTAssertSetMayPanic(false);
895	bool fQuiet = RTAssertSetQuiet(true);
896	testBasics();
897	RTAssertSetMayPanic(fMayPanic);
898	RTAssertSetQuiet(fQuiet);
899
900	/* Do real tests if the basics are fine. */
901	char szExecPath[RTPATH_MAX];
902	if (RTProcGetExecutablePath(szExecPath, sizeof(szExecPath)))
903	{
904	if (RTTestErrorCount(g_hTest) == 0)
905	testSessionConnection(NULL);
906	if (RTTestErrorCount(g_hTest) == 0)
907	testSessionConnection(szExecPath);
908
909	if (RTTestErrorCount(g_hTest) == 0)
910	testSessionWait(NULL);
911	if (RTTestErrorCount(g_hTest) == 0)
912	testSessionWait(szExecPath);
913
914	if (RTTestErrorCount(g_hTest) == 0)
915	testSessionData(NULL);
916	if (RTTestErrorCount(g_hTest) == 0)
917	testSessionData(szExecPath);
918
919	if (RTTestErrorCount(g_hTest) == 0)
920	testSessionPerf(NULL);
921	if (RTTestErrorCount(g_hTest) == 0)
922	testSessionPerf(szExecPath);
923	}
924	else
925	RTTestIFailed("RTProcGetExecutablePath failed");
926	}
927	/*
928	* Child process.
929	*/
930	else if ( argc == 3
931	&& !strcmp(argv[1], "child"))
932	{
933	rc = RTTestCreateChild(argv[2], &g_hTest);
934	if (RT_FAILURE(rc))
935	return RTEXITCODE_FAILURE;
936
937	if (!strcmp(argv[2], "tstRTLocalIpcSessionConnectionChild"))
938	tstRTLocalIpcSessionConnectionChild(RTThreadSelf(), g_hTest);
939	else if (!strcmp(argv[2], "tstRTLocalIpcSessionWaitChild"))
940	tstRTLocalIpcSessionWaitChild(RTThreadSelf(), g_hTest);
941	else if (!strcmp(argv[2], "tstRTLocalIpcSessionDataChild"))
942	tstRTLocalIpcSessionDataChild(RTThreadSelf(), g_hTest);
943	else if (!strcmp(argv[2], "tstRTLocalIpcSessionPerfChild"))
944	tstRTLocalIpcSessionPerfChild(RTThreadSelf(), g_hTest);
945	else
946	RTTestIFailed("Unknown child function '%s'", argv[2]);
947	}
948	/*
949	* Invalid parameters.
950	*/
951	else
952	return RTEXITCODE_SYNTAX;
953
954	/*
955	* Summary.
956	*/
957	return RTTestSummaryAndDestroy(g_hTest);
958	}
959

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source: vbox/trunk/src/VBox/Runtime/testcase/tstRTLocalIpc.cpp@ 75734

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