AudioTestServiceClient.cpp@ 96407

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1	/* $Id: AudioTestServiceClient.cpp 96407 2022-08-22 17:43:14Z vboxsync $ */
2	/** @file
3	* AudioTestServiceClient - Audio Test Service (ATS), Client helpers.
4	*
5	* Note: Only does TCP/IP as transport layer for now.
6	*/
7
8	/*
9	* Copyright (C) 2021-2022 Oracle and/or its affiliates.
10	*
11	* This file is part of VirtualBox base platform packages, as
12	* available from https://www.virtualbox.org.
13	*
14	* This program is free software; you can redistribute it and/or
15	* modify it under the terms of the GNU General Public License
16	* as published by the Free Software Foundation, in version 3 of the
17	* License.
18	*
19	* This program is distributed in the hope that it will be useful, but
20	* WITHOUT ANY WARRANTY; without even the implied warranty of
21	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22	* General Public License for more details.
23	*
24	* You should have received a copy of the GNU General Public License
25	* along with this program; if not, see <https://www.gnu.org/licenses>.
26	*
27	* SPDX-License-Identifier: GPL-3.0-only
28	*/
29
30
31	/*********************************************************************************************************************************
32	* Header Files *
33	*********************************************************************************************************************************/
34	#define LOG_GROUP LOG_GROUP_AUDIO_TEST
35
36	#include <iprt/crc.h>
37	#include <iprt/err.h>
38	#include <iprt/file.h>
39	#include <iprt/mem.h>
40	#include <iprt/string.h>
41	#include <iprt/tcp.h>
42
43	#include <VBox/log.h>
44
45	#include "AudioTestService.h"
46	#include "AudioTestServiceInternal.h"
47	#include "AudioTestServiceClient.h"
48
49	/** @todo Use common defines between server protocol and this client. */
50
51	/**
52	* A generic ATS reply, used by the client
53	* to process the incoming packets.
54	*/
55	typedef struct ATSSRVREPLY
56	{
57	char szOp[ATSPKT_OPCODE_MAX_LEN];
58	/** Pointer to payload data.
59	* This does not include the header! */
60	void *pvPayload;
61	/** Size (in bytes) of the payload data.
62	* This does not include the header! */
63	size_t cbPayload;
64	} ATSSRVREPLY;
65	/** Pointer to a generic ATS reply. */
66	typedef struct ATSSRVREPLY *PATSSRVREPLY;
67
68
69	/*********************************************************************************************************************************
70	* Prototypes *
71	*********************************************************************************************************************************/
72	static int audioTestSvcClientDisconnectInternal(PATSCLIENT pClient);
73
74	/**
75	* Initializes an ATS client, internal version.
76	*
77	* @param pClient Client to initialize.
78	*/
79	static void audioTestSvcClientInit(PATSCLIENT pClient)
80	{
81	RT_BZERO(pClient, sizeof(ATSCLIENT));
82	}
83
84	/**
85	* Destroys an ATS server reply.
86	*
87	* @param pReply Reply to destroy.
88	*/
89	static void audioTestSvcClientReplyDestroy(PATSSRVREPLY pReply)
90	{
91	if (!pReply)
92	return;
93
94	if (pReply->pvPayload)
95	{
96	Assert(pReply->cbPayload);
97	RTMemFree(pReply->pvPayload);
98	pReply->pvPayload = NULL;
99	}
100
101	pReply->cbPayload = 0;
102	}
103
104	/**
105	* Receives a reply from an ATS server.
106	*
107	* @returns VBox status code.
108	* @param pClient Client to receive reply for.
109	* @param pReply Where to store the reply.
110	* The reply must be destroyed with audioTestSvcClientReplyDestroy() then.
111	* @param fNoDataOk If it's okay that the reply is not expected to have any payload.
112	*/
113	static int audioTestSvcClientRecvReply(PATSCLIENT pClient, PATSSRVREPLY pReply, bool fNoDataOk)
114	{
115	LogFlowFuncEnter();
116
117	PATSPKTHDR pPktHdr;
118	int rc = pClient->pTransport->pfnRecvPkt(pClient->pTransportInst, pClient->pTransportClient, &pPktHdr);
119	if (RT_SUCCESS(rc))
120	{
121	AssertReleaseMsgReturn(pPktHdr->cb >= sizeof(ATSPKTHDR),
122	("audioTestSvcClientRecvReply: Received invalid packet size (%RU32)\n", pPktHdr->cb),
123	VERR_NET_PROTOCOL_ERROR);
124	pReply->cbPayload = pPktHdr->cb - sizeof(ATSPKTHDR);
125	Log3Func(("szOp=%.8s, cb=%RU32\n", pPktHdr->achOpcode, pPktHdr->cb));
126	if (pReply->cbPayload)
127	{
128	pReply->pvPayload = RTMemDup((uint8_t *)pPktHdr + sizeof(ATSPKTHDR), pReply->cbPayload);
129	}
130	else
131	pReply->pvPayload = NULL;
132
133	if ( !pReply->cbPayload
134	&& !fNoDataOk)
135	{
136	LogRelFunc(("Payload is empty (%zu), but caller expected data\n", pReply->cbPayload));
137	rc = VERR_NET_PROTOCOL_ERROR;
138	}
139	else
140	{
141	memcpy(&pReply->szOp, &pPktHdr->achOpcode, sizeof(pReply->szOp));
142	}
143
144	RTMemFree(pPktHdr);
145	pPktHdr = NULL;
146	}
147
148	if (RT_FAILURE(rc))
149	LogRelFunc(("Receiving reply from server failed with %Rrc\n", rc));
150
151	LogFlowFuncLeaveRC(rc);
152	return rc;
153	}
154
155	/**
156	* Receives a reply for an ATS server and checks if it is an acknowledge (success) one.
157	*
158	* @returns VBox status code.
159	* @retval VERR_NET_PROTOCOL_ERROR if the reply indicates a failure.
160	* @param pClient Client to receive reply for.
161	*/
162	static int audioTestSvcClientRecvAck(PATSCLIENT pClient)
163	{
164	ATSSRVREPLY Reply;
165	RT_ZERO(Reply);
166
167	int rc = audioTestSvcClientRecvReply(pClient, &Reply, true /* fNoDataOk */);
168	if (RT_SUCCESS(rc))
169	{
170	/* Most likely cases first. */
171	if ( RTStrNCmp(Reply.szOp, "ACK ", ATSPKT_OPCODE_MAX_LEN) == 0)
172	{
173	/* Nothing to do here. */
174	}
175	else if (RTStrNCmp(Reply.szOp, "FAILED ", ATSPKT_OPCODE_MAX_LEN) == 0)
176	{
177	LogRelFunc(("Received error from server (cbPayload=%zu)\n", Reply.cbPayload));
178
179	if (Reply.cbPayload)
180	{
181	if ( Reply.cbPayload >= sizeof(int) /* At least the rc must be present. */
182	&& Reply.cbPayload <= sizeof(ATSPKTREPFAIL) - sizeof(ATSPKTHDR))
183	{
184	rc = (int )Reply.pvPayload; /* Reach error code back to caller. */
185
186	const char pcszMsg = (char )Reply.pvPayload + sizeof(int);
187	/** @todo Check NULL termination of pcszMsg? */
188
189	LogRelFunc(("Error message: %s (%Rrc)\n", pcszMsg, rc));
190	}
191	else
192	{
193	LogRelFunc(("Received invalid failure payload (cb=%zu)\n", Reply.cbPayload));
194	rc = VERR_NET_PROTOCOL_ERROR;
195	}
196	}
197	}
198	else
199	{
200	LogRelFunc(("Received invalid opcode ('%.8s')\n", Reply.szOp));
201	rc = VERR_NET_PROTOCOL_ERROR;
202	}
203
204	audioTestSvcClientReplyDestroy(&Reply);
205	}
206
207	LogRelFlowFuncLeaveRC(rc);
208	return rc;
209	}
210
211	/**
212	* Sends a message plus optional payload to an ATS server.
213	*
214	* @returns VBox status code.
215	* @param pClient Client to send message for.
216	* @param pvHdr Pointer to header data to send.
217	* @param cbHdr Size (in bytes) of \a pvHdr to send.
218	*/
219	static int audioTestSvcClientSendMsg(PATSCLIENT pClient, void *pvHdr, size_t cbHdr)
220	{
221	RT_NOREF(cbHdr);
222	AssertPtrReturn(pClient->pTransport, VERR_INVALID_POINTER);
223	AssertPtrReturn(pClient->pTransportInst, VERR_INVALID_POINTER);
224	AssertPtrReturn(pClient->pTransportClient, VERR_INVALID_POINTER);
225	return pClient->pTransport->pfnSendPkt(pClient->pTransportInst, pClient->pTransportClient, (PCATSPKTHDR)pvHdr);
226	}
227
228	/**
229	* Initializes a client request header.
230	*
231	* @returns VBox status code.
232	* @param pReqHdr Request header to initialize.
233	* @param cbReq Size (in bytes) the request will have (does not include payload).
234	* @param pszOp Operation to perform with the request.
235	* @param cbPayload Size (in bytes) of payload that will follow the header. Optional and can be 0.
236	*/
237	DECLINLINE (void) audioTestSvcClientReqHdrInit(PATSPKTHDR pReqHdr, size_t cbReq, const char *pszOp, size_t cbPayload)
238	{
239	AssertReturnVoid(strlen(pszOp) >= 2);
240	AssertReturnVoid(strlen(pszOp) <= ATSPKT_OPCODE_MAX_LEN);
241
242	/** @todo Validate opcode. */
243
244	RT_BZERO(pReqHdr, sizeof(ATSPKTHDR));
245
246	memcpy(pReqHdr->achOpcode, pszOp, strlen(pszOp));
247	pReqHdr->uCrc32 = 0; /** @todo Do CRC-32 calculation. */
248	pReqHdr->cb = (uint32_t)cbReq + (uint32_t)cbPayload;
249
250	Assert(pReqHdr->cb <= ATSPKT_MAX_SIZE);
251	}
252
253	/**
254	* Sends an acknowledege response back to the server.
255	*
256	* @returns VBox status code.
257	* @param pClient Client to send command for.
258	*/
259	static int audioTestSvcClientSendAck(PATSCLIENT pClient)
260	{
261	ATSPKTHDR Req;
262	audioTestSvcClientReqHdrInit(&Req, sizeof(Req), "ACK ", 0);
263
264	return audioTestSvcClientSendMsg(pClient, &Req, sizeof(Req));
265	}
266
267	/**
268	* Sends a greeting command (handshake) to an ATS server.
269	*
270	* @returns VBox status code.
271	* @param pClient Client to send command for.
272	*/
273	static int audioTestSvcClientDoGreet(PATSCLIENT pClient)
274	{
275	ATSPKTREQHOWDY Req;
276	Req.uVersion = ATS_PROTOCOL_VS;
277	audioTestSvcClientReqHdrInit(&Req.Hdr, sizeof(Req), ATSPKT_OPCODE_HOWDY, 0);
278	int rc = audioTestSvcClientSendMsg(pClient, &Req, sizeof(Req));
279	if (RT_SUCCESS(rc))
280	rc = audioTestSvcClientRecvAck(pClient);
281	return rc;
282	}
283
284	/**
285	* Tells the ATS server that we want to disconnect.
286	*
287	* @returns VBox status code.
288	* @param pClient Client to disconnect.
289	*/
290	static int audioTestSvcClientDoBye(PATSCLIENT pClient)
291	{
292	ATSPKTHDR Req;
293	audioTestSvcClientReqHdrInit(&Req, sizeof(Req), ATSPKT_OPCODE_BYE, 0);
294	int rc = audioTestSvcClientSendMsg(pClient, &Req, sizeof(Req));
295	if (RT_SUCCESS(rc))
296	rc = audioTestSvcClientRecvAck(pClient);
297	return rc;
298	}
299
300	/**
301	* Creates an ATS client.
302	*
303	* @returns VBox status code.
304	* @param pClient Client to create.
305	*/
306	int AudioTestSvcClientCreate(PATSCLIENT pClient)
307	{
308	audioTestSvcClientInit(pClient);
309
310	/*
311	* The default transporter is the first one.
312	*/
313	pClient->pTransport = g_apTransports[0]; /** @todo Make this dynamic. */
314
315	return pClient->pTransport->pfnCreate(&pClient->pTransportInst);
316	}
317
318	/**
319	* Destroys an ATS client.
320	*
321	* @returns VBox status code.
322	* @param pClient Client to destroy.
323	*/
324	void AudioTestSvcClientDestroy(PATSCLIENT pClient)
325	{
326	if (!pClient)
327	return;
328
329	/* ignore rc */ audioTestSvcClientDisconnectInternal(pClient);
330
331	if (pClient->pTransport)
332	{
333	pClient->pTransport->pfnDestroy(pClient->pTransportInst);
334	pClient->pTransportInst = NULL; /* Invalidate pointer. */
335	}
336	}
337
338	/**
339	* Handles a command line option.
340	*
341	* @returns VBox status code.
342	* @param pClient Client to handle option for.
343	* @param ch Option (short) to handle.
344	* @param pVal Option union to store the result in on success.
345	*/
346	int AudioTestSvcClientHandleOption(PATSCLIENT pClient, int ch, PCRTGETOPTUNION pVal)
347	{
348	AssertPtrReturn(pClient->pTransport, VERR_WRONG_ORDER); /* Must be created first via AudioTestSvcClientCreate(). */
349	if (!pClient->pTransport->pfnOption)
350	return VERR_GETOPT_UNKNOWN_OPTION;
351	return pClient->pTransport->pfnOption(pClient->pTransportInst, ch, pVal);
352	}
353
354	/**
355	* Connects to an ATS peer, extended version.
356	*
357	* @returns VBox status code.
358	* @param pClient Client to connect.
359	* @param msTimeout Timeout (in ms) waiting for a connection to be established.
360	* Use RT_INDEFINITE_WAIT to wait indefinitely.
361	*/
362	int AudioTestSvcClientConnectEx(PATSCLIENT pClient, RTMSINTERVAL msTimeout)
363	{
364	if (pClient->pTransportClient)
365	return VERR_NET_ALREADY_CONNECTED;
366
367	int rc = pClient->pTransport->pfnStart(pClient->pTransportInst);
368	if (RT_SUCCESS(rc))
369	{
370	rc = pClient->pTransport->pfnWaitForConnect(pClient->pTransportInst,
371	msTimeout, NULL /* pfFromServer */, &pClient->pTransportClient);
372	if (RT_SUCCESS(rc))
373	{
374	rc = audioTestSvcClientDoGreet(pClient);
375	}
376	}
377
378	if (RT_FAILURE(rc))
379	LogRelFunc(("Connecting to server (%RU32ms timeout) failed with %Rrc\n", msTimeout, rc));
380
381	return rc;
382	}
383
384	/**
385	* Connects to an ATS peer.
386	*
387	* @returns VBox status code.
388	* @param pClient Client to connect.
389	*/
390	int AudioTestSvcClientConnect(PATSCLIENT pClient)
391	{
392	return AudioTestSvcClientConnectEx(pClient, 30 * 1000 /* msTimeout */);
393	}
394
395	/**
396	* Tells the server to begin a new test set.
397	*
398	* @returns VBox status code.
399	* @param pClient Client to issue command for.
400	* @param pszTag Tag to use for the test set to begin.
401	*/
402	int AudioTestSvcClientTestSetBegin(PATSCLIENT pClient, const char *pszTag)
403	{
404	ATSPKTREQTSETBEG Req;
405
406	int rc = RTStrCopy(Req.szTag, sizeof(Req.szTag), pszTag);
407	AssertRCReturn(rc, rc);
408
409	audioTestSvcClientReqHdrInit(&Req.Hdr, sizeof(Req), ATSPKT_OPCODE_TESTSET_BEGIN, 0);
410
411	rc = audioTestSvcClientSendMsg(pClient, &Req, sizeof(Req));
412	if (RT_SUCCESS(rc))
413	rc = audioTestSvcClientRecvAck(pClient);
414
415	return rc;
416	}
417
418	/**
419	* Tells the server to end a runing test set.
420	*
421	* @returns VBox status code.
422	* @param pClient Client to issue command for.
423	* @param pszTag Tag of test set to end.
424	*/
425	int AudioTestSvcClientTestSetEnd(PATSCLIENT pClient, const char *pszTag)
426	{
427	ATSPKTREQTSETEND Req;
428
429	int rc = RTStrCopy(Req.szTag, sizeof(Req.szTag), pszTag);
430	AssertRCReturn(rc, rc);
431
432	audioTestSvcClientReqHdrInit(&Req.Hdr, sizeof(Req), ATSPKT_OPCODE_TESTSET_END, 0);
433
434	rc = audioTestSvcClientSendMsg(pClient, &Req, sizeof(Req));
435	if (RT_SUCCESS(rc))
436	rc = audioTestSvcClientRecvAck(pClient);
437
438	return rc;
439	}
440
441	/**
442	* Tells the server to play a (test) tone.
443	*
444	* @returns VBox status code.
445	* @param pClient Client to issue command for.
446	* @param pToneParms Tone parameters to use.
447	* @note How (and if) the server plays a tone depends on the actual implementation side.
448	*/
449	int AudioTestSvcClientTonePlay(PATSCLIENT pClient, PAUDIOTESTTONEPARMS pToneParms)
450	{
451	ATSPKTREQTONEPLAY Req;
452
453	memcpy(&Req.ToneParms, pToneParms, sizeof(AUDIOTESTTONEPARMS));
454
455	audioTestSvcClientReqHdrInit(&Req.Hdr, sizeof(Req), ATSPKT_OPCODE_TONE_PLAY, 0);
456
457	int rc = audioTestSvcClientSendMsg(pClient, &Req, sizeof(Req));
458	if (RT_SUCCESS(rc))
459	rc = audioTestSvcClientRecvAck(pClient);
460
461	return rc;
462	}
463
464	/**
465	* Tells the server to record a (test) tone.
466	*
467	* @returns VBox status code.
468	* @param pClient Client to issue command for.
469	* @param pToneParms Tone parameters to use.
470	* @note How (and if) the server plays a tone depends on the actual implementation side.
471	*/
472	int AudioTestSvcClientToneRecord(PATSCLIENT pClient, PAUDIOTESTTONEPARMS pToneParms)
473	{
474	ATSPKTREQTONEREC Req;
475
476	memcpy(&Req.ToneParms, pToneParms, sizeof(AUDIOTESTTONEPARMS));
477
478	audioTestSvcClientReqHdrInit(&Req.Hdr, sizeof(Req), ATSPKT_OPCODE_TONE_RECORD, 0);
479
480	int rc = audioTestSvcClientSendMsg(pClient, &Req, sizeof(Req));
481	if (RT_SUCCESS(rc))
482	rc = audioTestSvcClientRecvAck(pClient);
483
484	return rc;
485	}
486
487	/**
488	* Tells the server to send (download) a (packed up) test set archive.
489	* The test set must not be running / open anymore.
490	*
491	* @returns VBox status code.
492	* @param pClient Client to issue command for.
493	* @param pszTag Tag of test set to send.
494	* @param pszPathOutAbs Absolute path where to store the downloaded test set archive.
495	*/
496	int AudioTestSvcClientTestSetDownload(PATSCLIENT pClient, const char pszTag, const char pszPathOutAbs)
497	{
498	ATSPKTREQTSETSND Req;
499
500	int rc = RTStrCopy(Req.szTag, sizeof(Req.szTag), pszTag);
501	AssertRCReturn(rc, rc);
502
503	audioTestSvcClientReqHdrInit(&Req.Hdr, sizeof(Req), ATSPKT_OPCODE_TESTSET_SEND, 0);
504
505	RTFILE hFile;
506	rc = RTFileOpen(&hFile, pszPathOutAbs, RTFILE_O_WRITE \| RTFILE_O_CREATE \| RTFILE_O_DENY_WRITE);
507	AssertRCReturn(rc, rc);
508
509	rc = audioTestSvcClientSendMsg(pClient, &Req, sizeof(Req));
510	while (RT_SUCCESS(rc))
511	{
512	ATSSRVREPLY Reply;
513	RT_ZERO(Reply);
514
515	rc = audioTestSvcClientRecvReply(pClient, &Reply, false /* fNoDataOk */);
516	if (RT_SUCCESS(rc))
517	{
518	/* Extract received CRC32 checksum. */
519	const size_t cbCrc32 = sizeof(uint32_t); /* Skip CRC32 in payload for actual CRC verification. */
520
521	uint32_t uSrcCrc32;
522	memcpy(&uSrcCrc32, Reply.pvPayload, cbCrc32);
523
524	if (uSrcCrc32)
525	{
526	const uint32_t uDstCrc32 = RTCrc32((uint8_t *)Reply.pvPayload + cbCrc32, Reply.cbPayload - cbCrc32);
527
528	Log2Func(("uSrcCrc32=%#x, cbRead=%zu -> uDstCrc32=%#x\n"
529	"%.*Rhxd\n",
530	uSrcCrc32, Reply.cbPayload - cbCrc32, uDstCrc32,
531	RT_MIN(64, Reply.cbPayload - cbCrc32), (uint8_t *)Reply.pvPayload + cbCrc32));
532
533	if (uSrcCrc32 != uDstCrc32)
534	rc = VERR_TAR_CHKSUM_MISMATCH; /** @todo Fudge! */
535	}
536
537	if (RT_SUCCESS(rc))
538	{
539	if ( RTStrNCmp(Reply.szOp, "DATA ", ATSPKT_OPCODE_MAX_LEN) == 0
540	&& Reply.pvPayload
541	&& Reply.cbPayload)
542	{
543	rc = RTFileWrite(hFile, (uint8_t *)Reply.pvPayload + cbCrc32, Reply.cbPayload - cbCrc32, NULL);
544	}
545	else if (RTStrNCmp(Reply.szOp, "DATA EOF", ATSPKT_OPCODE_MAX_LEN) == 0)
546	{
547	rc = VINF_EOF;
548	}
549	else
550	{
551	AssertMsgFailed(("Got unexpected reply '%s'", Reply.szOp));
552	rc = VERR_NOT_SUPPORTED;
553	}
554	}
555	}
556
557	audioTestSvcClientReplyDestroy(&Reply);
558
559	int rc2 = audioTestSvcClientSendAck(pClient);
560	if (rc == VINF_SUCCESS) /* Might be VINF_EOF already. */
561	rc = rc2;
562
563	if (rc == VINF_EOF)
564	break;
565	}
566
567	int rc2 = RTFileClose(hFile);
568	if (RT_SUCCESS(rc))
569	rc = rc2;
570
571	return rc;
572	}
573
574	/**
575	* Disconnects from an ATS server, internal version.
576	*
577	* @returns VBox status code.
578	* @param pClient Client to disconnect.
579	*/
580	static int audioTestSvcClientDisconnectInternal(PATSCLIENT pClient)
581	{
582	if (!pClient->pTransportClient) /* Not connected (yet)? Bail out early. */
583	return VINF_SUCCESS;
584
585	int rc = audioTestSvcClientDoBye(pClient);
586	if (RT_SUCCESS(rc))
587	{
588	if (pClient->pTransport->pfnNotifyBye)
589	pClient->pTransport->pfnNotifyBye(pClient->pTransportInst, pClient->pTransportClient);
590
591	pClient->pTransport->pfnDisconnect(pClient->pTransportInst, pClient->pTransportClient);
592	pClient->pTransportClient = NULL;
593
594	pClient->pTransport->pfnStop(pClient->pTransportInst);
595	}
596
597	return rc;
598	}
599
600	/**
601	* Disconnects from an ATS server.
602	*
603	* @returns VBox status code.
604	* @param pClient Client to disconnect.
605	*/
606	int AudioTestSvcClientDisconnect(PATSCLIENT pClient)
607	{
608	return audioTestSvcClientDisconnectInternal(pClient);
609	}
610

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source: vbox/trunk/src/VBox/Devices/Audio/AudioTestServiceClient.cpp@ 96407

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