|
1 // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies). |
|
2 // All rights reserved. |
|
3 // This component and the accompanying materials are made available |
|
4 // under the terms of "Eclipse Public License v1.0" |
|
5 // which accompanies this distribution, and is available |
|
6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
7 // |
|
8 // Initial Contributors: |
|
9 // Nokia Corporation - initial contribution. |
|
10 // |
|
11 // Contributors: |
|
12 // |
|
13 // Description: |
|
14 // Implementation of Generic Audio-Video Distribution Profile - GAVDP |
|
15 // The CGavdp class acts as a "Body" implementation to the RGavdp "Handle" |
|
16 // |
|
17 // |
|
18 |
|
19 /** |
|
20 @publishedPartner |
|
21 */ |
|
22 |
|
23 |
|
24 #include "gavdpInternal.h" |
|
25 |
|
26 CGavdp* CGavdp::NewL(MGavdpUser& aServiceUser, RSocketServ& aSocketServer, RGavdp& aHandle) |
|
27 { |
|
28 #ifndef BLUETOOTH_NO_AV |
|
29 CGavdp* gavdp = new(ELeave) CGavdp(aServiceUser, aSocketServer, aHandle); |
|
30 CleanupStack::PushL(gavdp); |
|
31 gavdp->ConstructL(); |
|
32 CleanupStack::Pop(gavdp); |
|
33 return gavdp; |
|
34 #else |
|
35 User::Leave(KErrNotSupported); |
|
36 return NULL; // not reached |
|
37 #endif |
|
38 } |
|
39 |
|
40 CGavdp::~CGavdp() |
|
41 { |
|
42 DeAllocSocketsAndHelpers(); |
|
43 iSocketServer.Close(); |
|
44 } |
|
45 |
|
46 void CGavdp::DeAllocSocketsAndHelpers() |
|
47 { |
|
48 delete iRequesterHelper; |
|
49 iRequesterHelper = NULL; |
|
50 delete iIndicatorHelper; |
|
51 iIndicatorHelper = NULL; |
|
52 AvdtpRequester().Close(); |
|
53 AvdtpIndicator().Close(); |
|
54 } |
|
55 |
|
56 void CGavdp::ConstructL() |
|
57 { |
|
58 User::LeaveIfError(iSocketServer.Connect()); |
|
59 ConstructSocketsAndHelpersL(); |
|
60 } |
|
61 |
|
62 void CGavdp::Cancel() |
|
63 { |
|
64 if (iRequesterHelper) |
|
65 { |
|
66 delete iRequesterHelper; |
|
67 iRequesterHelper = NULL; |
|
68 iState = EIdle; |
|
69 // it is the client's job to recover state, so they should send an Abort. |
|
70 } |
|
71 // leave indications running. |
|
72 } |
|
73 |
|
74 void CGavdp::ConstructSocketsAndHelpersL() |
|
75 { |
|
76 User::LeaveIfError(AvdtpRequester().Open(iSocketServer, KAVDTPProtocolName)); |
|
77 |
|
78 // mark as for signalling purposes |
|
79 TAvdtpSockAddr addr; |
|
80 addr.SetSession(ESignalling); |
|
81 User::LeaveIfError(AvdtpRequester().Bind(addr)); |
|
82 |
|
83 // start reading for AVDTP indications |
|
84 User::LeaveIfError(AvdtpIndicator().Open(iSocketServer, KAVDTPProtocolName)); |
|
85 |
|
86 User::LeaveIfError(AvdtpIndicator().SetOpt(ESetAsSecondarySAP, |
|
87 KSolBtAVDTPInternal, |
|
88 KNullDesC8)); |
|
89 |
|
90 User::LeaveIfError(AvdtpRequester().SetOpt(EBindToSecondarySAP, |
|
91 KSolBtAVDTPInternal, |
|
92 KNullDesC8)); |
|
93 iIndicatorHelper = CGavdpIndicator::NewL(*this, iServiceUser); |
|
94 iIndicatorHelper->Begin(); |
|
95 } |
|
96 |
|
97 CGavdp::CGavdp(MGavdpUser& aServiceUser, RSocketServ& aClientSocketServer, RGavdp& aHandle) |
|
98 : iClientSocketServer(aClientSocketServer), iServiceUser(aServiceUser), iHandle(aHandle) |
|
99 { |
|
100 } |
|
101 |
|
102 void CGavdp::Connect(const TBTDevAddr& aRemoteAddr) |
|
103 { |
|
104 __ASSERT_ALWAYS((iState == EIdle || iState == EListening), Panic(EGavdpBadState)); |
|
105 __ASSERT_ALWAYS(iNumSEPsRegistered, Panic(EGavdpSEPMustBeRegisteredBeforeConnect)); |
|
106 __ASSERT_ALWAYS(aRemoteAddr!=TBTDevAddr(0), Panic(EGavdpBadRemoteAddress)); |
|
107 __ASSERT_ALWAYS(!iRequesterHelper, Panic(EGavdpBadState)); |
|
108 |
|
109 AvdtpRequester().SetOpt(EStopAwaitPassiveSignallingChannel, KSolBtAVDTPSignalling, NULL); |
|
110 |
|
111 TRAPD(err, iRequesterHelper = CGavdpConnector::NewL(*this, iServiceUser, aRemoteAddr)); |
|
112 |
|
113 if (err) |
|
114 { |
|
115 iServiceUser.GAVDP_Error(err, KNullDesC8); |
|
116 } |
|
117 else |
|
118 { |
|
119 iState = EConnecting; |
|
120 iRequesterHelper->Begin(); |
|
121 } |
|
122 } |
|
123 |
|
124 void CGavdp::DiscoverRemoteSEPs() |
|
125 { |
|
126 __ASSERT_ALWAYS(!iRequesterHelper, Panic(EGavdpBadState)); |
|
127 |
|
128 TRAPD(err, iRequesterHelper = CGavdpDiscover::NewL(*this, iServiceUser)); |
|
129 |
|
130 if (err) |
|
131 { |
|
132 iServiceUser.GAVDP_Error(err, KNullDesC8); |
|
133 } |
|
134 else |
|
135 { |
|
136 iRequesterHelper->Begin(); |
|
137 } |
|
138 } |
|
139 |
|
140 void CGavdp::GetRemoteSEPCapabilities(TSEID aSEID, const TAvdtpServiceCategories& aInterestingCategories) |
|
141 { |
|
142 __ASSERT_ALWAYS(!iRequesterHelper /*&& iServiceUser*/, Panic(EGavdpBadState)); |
|
143 CheckSEID(aSEID); |
|
144 |
|
145 TRAPD(err, iRequesterHelper = CGavdpGetCaps::NewL(*this, |
|
146 iServiceUser, |
|
147 aSEID, |
|
148 aInterestingCategories)); |
|
149 |
|
150 if (err) |
|
151 { |
|
152 iServiceUser.GAVDP_Error(err, KNullDesC8); |
|
153 } |
|
154 else |
|
155 { |
|
156 iRequesterHelper->Begin(); |
|
157 } |
|
158 } |
|
159 |
|
160 TInt CGavdp::BeginConfiguringRemoteSEP(TSEID aRemoteSEID, TSEID aLocalSEID) |
|
161 { |
|
162 __ASSERT_ALWAYS(iState!=EConfiguringRemoteSEP, Panic(EGavdpBadState)); |
|
163 CheckSEID(aRemoteSEID); |
|
164 CheckSEID(aLocalSEID); |
|
165 |
|
166 TInternalSelectRemoteSEP select; |
|
167 select.iLocalSEID = aLocalSEID; |
|
168 select.iRemoteSEID = aRemoteSEID; |
|
169 |
|
170 TPckg<TInternalSelectRemoteSEP> seidpckg(select); |
|
171 TInt err = AvdtpRequester().SetOpt(EStartConfiguringRemote, KSolBtAVDTPSignalling, seidpckg); |
|
172 if (err==KErrNone) |
|
173 { |
|
174 iState = EConfiguringRemoteSEP; |
|
175 } |
|
176 return err; |
|
177 } |
|
178 |
|
179 TInt CGavdp::BeginConfiguringLocalSEP(TSEID aSEID) |
|
180 { |
|
181 __ASSERT_ALWAYS(iState!=EConfiguringLocalSEP, Panic(EGavdpBadState)); |
|
182 TPckg<TSEID> seidpckg(aSEID); |
|
183 TInt err = AvdtpRequester().SetOpt(EStartConfiguringLocal, KSolBtAVDTPSignalling, seidpckg); |
|
184 if (err==KErrNone) |
|
185 { |
|
186 iState = EConfiguringLocalSEP; |
|
187 } |
|
188 return err; |
|
189 } |
|
190 |
|
191 |
|
192 TInt CGavdp::AddSEPCapability(const TAvdtpServiceCapability& aCapability) |
|
193 { |
|
194 __ASSERT_ALWAYS(iState==EConfiguringLocalSEP || iState==EConfiguringRemoteSEP, |
|
195 Panic(EGavdpBadState)); |
|
196 |
|
197 // convert into protocol form - this is a handy way to get a descriptor for IPC purposes |
|
198 // if AVDTP requires the reverse operation it is of course allowed to get back to the T class form |
|
199 RBuf8 buf; |
|
200 TInt err = aCapability.AsProtocol(buf); |
|
201 if (err==KErrNone) |
|
202 { |
|
203 err = AvdtpRequester().SetOpt(EAddCapabilitySelection,KSolBtAVDTPSignalling, buf); |
|
204 } |
|
205 |
|
206 buf.Close(); |
|
207 return err; |
|
208 } |
|
209 |
|
210 void CGavdp::CommitSEPConfiguration() |
|
211 { |
|
212 __ASSERT_ALWAYS(iState == EConfiguringLocalSEP || iState == EConfiguringRemoteSEP, Panic(EGavdpBadState)); |
|
213 __ASSERT_ALWAYS(!iRequesterHelper, Panic(EGavdpBadState)); |
|
214 |
|
215 TRAPD(err, iRequesterHelper = CGavdpSelectSEP::NewL(*this, iServiceUser)); |
|
216 |
|
217 if (err) |
|
218 { |
|
219 iServiceUser.GAVDP_Error(err, KNullDesC8); |
|
220 } |
|
221 else |
|
222 { |
|
223 iRequesterHelper->Begin(); |
|
224 } |
|
225 } |
|
226 |
|
227 void CGavdp::StartStream(TSEID aSEID) |
|
228 { |
|
229 __ASSERT_ALWAYS(!iRequesterHelper, Panic(EGavdpBadState)); |
|
230 |
|
231 TRAPD(err, iRequesterHelper = CGavdpStart::NewL(*this, iServiceUser, aSEID)); |
|
232 |
|
233 if (err) |
|
234 { |
|
235 iServiceUser.GAVDP_Error(err, KNullDesC8); |
|
236 } |
|
237 else |
|
238 { |
|
239 iRequesterHelper->Begin(); |
|
240 } |
|
241 } |
|
242 |
|
243 void CGavdp::SuspendStream(TSEID aSEID) |
|
244 { |
|
245 __ASSERT_ALWAYS(!iRequesterHelper, Panic(EGavdpBadState)); |
|
246 |
|
247 TRAPD(err, iRequesterHelper = CGavdpSuspend::NewL(*this, iServiceUser, aSEID)); |
|
248 |
|
249 if (err) |
|
250 { |
|
251 iServiceUser.GAVDP_Error(err, KNullDesC8); |
|
252 } |
|
253 else |
|
254 { |
|
255 iRequesterHelper->Begin(); |
|
256 } |
|
257 } |
|
258 |
|
259 void CGavdp::AbortStream(TSEID aSEID) |
|
260 { |
|
261 __ASSERT_ALWAYS(!iRequesterHelper, Panic(EGavdpBadState)); |
|
262 CheckSEID(aSEID); |
|
263 |
|
264 TRAPD(err, iRequesterHelper = CGavdpAbort::NewL(*this, iServiceUser, aSEID)); |
|
265 |
|
266 if (err) |
|
267 { |
|
268 iServiceUser.GAVDP_Error(err, KNullDesC8); |
|
269 } |
|
270 else |
|
271 { |
|
272 iRequesterHelper->Begin(); |
|
273 } |
|
274 } |
|
275 |
|
276 void CGavdp::SendSecurityControl(TSEID aSEID, const TDesC8& aSecurityData) |
|
277 { |
|
278 __ASSERT_ALWAYS(!iRequesterHelper, Panic(EGavdpBadState)); |
|
279 CheckSEID(aSEID); |
|
280 |
|
281 TRAPD(err, iRequesterHelper = CGavdpSecurityControl::NewL(*this, iServiceUser, aSEID, aSecurityData)); |
|
282 |
|
283 if (err) |
|
284 { |
|
285 iServiceUser.GAVDP_Error(err, KNullDesC8); |
|
286 } |
|
287 else |
|
288 { |
|
289 iRequesterHelper->Begin(); |
|
290 } |
|
291 } |
|
292 |
|
293 |
|
294 TInt CGavdp::RegisterSEP(TAvdtpSEPInfo& aInfo) |
|
295 { |
|
296 // note this is a GetOpt - but it also sets: |
|
297 // in goes the info, without SEID |
|
298 // out comes the same structure with SEID filled in |
|
299 TPckg<TAvdtpSEPInfo> sepInfo(aInfo); |
|
300 TInt err = AvdtpRequester().GetOpt(ERegisterSEP, KSolBtAVDTPSignalling, sepInfo); |
|
301 if (err==KErrNone) |
|
302 { |
|
303 iNumSEPsRegistered++; |
|
304 } |
|
305 return err; |
|
306 } |
|
307 |
|
308 |
|
309 /** |
|
310 Called when gavdp client has registed all seps and is ready |
|
311 May be short lived as they may try to connect out quickly |
|
312 */ |
|
313 TInt CGavdp::Listen() |
|
314 { |
|
315 __ASSERT_ALWAYS(iNumSEPsRegistered, Panic(EGavdpSEPMustBeRegisteredBeforeListen)); |
|
316 TInt ret = KErrNone; |
|
317 |
|
318 if (iState!=EConnected) |
|
319 { |
|
320 // start awaiting for signalling channel as as SEP has been successfully registered |
|
321 ret = AvdtpRequester().SetOpt(EAwaitPassiveSignallingChannel, KSolBtAVDTPSignalling, NULL); |
|
322 if (KErrNone==ret) |
|
323 { |
|
324 iState = EListening; |
|
325 } |
|
326 } |
|
327 else |
|
328 { |
|
329 ret = KErrInUse; |
|
330 } |
|
331 return ret; |
|
332 } |
|
333 |
|
334 |
|
335 // private |
|
336 |
|
337 void CGavdp::SendResponse( TInternalAvdtpAirIndication aIndication, |
|
338 TInt aResult, |
|
339 const TAny* aResponseData/*=NULL*/, |
|
340 TInt aResponseDataLen/*=0*/) |
|
341 { |
|
342 TInt err = KErrNone; |
|
343 |
|
344 switch (aIndication.iIndication) |
|
345 { |
|
346 case EAvdtpSetConfiguration: |
|
347 case EAvdtpReconfigure: |
|
348 { |
|
349 TAvdtpInternalConfigurationResponse rsp; |
|
350 rsp.iSEID = aIndication.iSEID; |
|
351 rsp.iTransactionLabel = aIndication.iTransactionLabel; |
|
352 rsp.iResult = aResult; |
|
353 rsp.iIsReconfigure = aIndication.iIndication==EAvdtpReconfigure; |
|
354 |
|
355 if (aResult!=KErrNone) |
|
356 { |
|
357 __ASSERT_DEBUG(aResponseData, Panic(EGavdpResponseDataExpected)); |
|
358 rsp.iCategory = *static_cast<const TAvdtpServiceCategory*>(aResponseData); |
|
359 } |
|
360 |
|
361 TPckg<TAvdtpInternalConfigurationResponse> pckg(rsp); |
|
362 |
|
363 err = AvdtpRequester().SetOpt(ESendConfigurationResponse, KSolBtAVDTPSignalling, pckg); |
|
364 |
|
365 break; |
|
366 } |
|
367 case EAvdtpSecurityControl: |
|
368 { |
|
369 // optional to send data in response |
|
370 TAvdtpInternalSecurityControlResponse rsp; |
|
371 rsp.iSEID = aIndication.iSEID; |
|
372 rsp.iTransactionLabel = aIndication.iTransactionLabel; |
|
373 rsp.iResult = aResult; |
|
374 |
|
375 if (aResult==KErrNone) |
|
376 { |
|
377 rsp.iSecurityControlInfo.Copy(static_cast<const TUint8*>(aResponseData), aResponseDataLen); |
|
378 } |
|
379 |
|
380 TPckg<TAvdtpInternalSecurityControlResponse> pckg(rsp); |
|
381 err = AvdtpRequester().SetOpt(ESendSecurityControlResponse, KSolBtAVDTPSignalling, pckg); |
|
382 |
|
383 break; |
|
384 } |
|
385 case EAvdtpStart: |
|
386 { |
|
387 TAvdtpInternalStartResponse rsp; |
|
388 rsp.iSEID = aIndication.iSEID; |
|
389 rsp.iTransactionLabel = aIndication.iTransactionLabel; |
|
390 rsp.iResult = aResult; |
|
391 |
|
392 TPckg<TAvdtpInternalStartResponse> pckg(rsp); |
|
393 err = AvdtpRequester().SetOpt(ESendStartResponse, KSolBtAVDTPSignalling, pckg); |
|
394 |
|
395 break; |
|
396 } |
|
397 case EAvdtpSuspend: |
|
398 { |
|
399 TAvdtpInternalSuspendResponse rsp; |
|
400 rsp.iSEID = aIndication.iSEID; |
|
401 rsp.iTransactionLabel = aIndication.iTransactionLabel; |
|
402 rsp.iResult = aResult; |
|
403 |
|
404 TPckg<TAvdtpInternalSuspendResponse> pckg(rsp); |
|
405 err = AvdtpRequester().SetOpt(ESendSuspendResponse, KSolBtAVDTPSignalling, pckg); |
|
406 |
|
407 break; |
|
408 } |
|
409 } |
|
410 |
|
411 if (err!=KErrNone) |
|
412 { |
|
413 iServiceUser.GAVDP_Error(err, KNullDesC8); |
|
414 } |
|
415 } |
|
416 |
|
417 |
|
418 void CGavdp::ServiceComplete(TInt aResult) |
|
419 { |
|
420 __ASSERT_DEBUG(iRequesterHelper, Fault(EGavdpHelperCompletingBadly)); |
|
421 iRequesterHelper = NULL; |
|
422 |
|
423 if (aResult==KErrNone) |
|
424 { |
|
425 switch (iState) |
|
426 { |
|
427 case EConfiguringRemoteSEP: |
|
428 case EListening: |
|
429 case EConnecting: |
|
430 iState = EConnected; |
|
431 break; |
|
432 case EConfiguringLocalSEP: |
|
433 { |
|
434 iState = EIdle; |
|
435 break; |
|
436 } |
|
437 |
|
438 } |
|
439 } |
|
440 else |
|
441 { |
|
442 iState = EIdle; // or perhaps errored? |
|
443 } |
|
444 } |
|
445 |
|
446 void CGavdp::Error(TInt aError) |
|
447 { |
|
448 // helper tells user - here we do whatever we need to tidy ourselves |
|
449 delete iRequesterHelper; |
|
450 iRequesterHelper = NULL; |
|
451 iState = EIdle; |
|
452 // and tell the user |
|
453 iServiceUser.GAVDP_Error(aError, KNullDesC8); |
|
454 } |
|
455 |
|
456 void CGavdp::FatalError() |
|
457 { |
|
458 //Unbind from the body before informing the user |
|
459 iHandle.UnbindBody(); |
|
460 //Now tell the user we are DEAD |
|
461 iServiceUser.GAVDP_Error(KErrDied, KNullDesC8); |
|
462 //Cleanup: we've unbound from the body, We are no longer owned. Delete ourselves |
|
463 delete this; |
|
464 } |
|
465 |
|
466 /* |
|
467 Forms the binding between passively created signalling and sockets |
|
468 */ |
|
469 void CGavdp::BindSignallingL(const TBTDevAddr& aRemoteAddress) |
|
470 { |
|
471 // use the same helper as if we originated the signalling channel |
|
472 if (iRequesterHelper) |
|
473 { |
|
474 // the client has just issued another command |
|
475 // this is likely to be something that renders the connections invalid anyway |
|
476 // eg Abort, Config |
|
477 User::Leave(KErrInUse); |
|
478 } |
|
479 iRequesterHelper = CGavdpConnector::NewL(*this, iServiceUser, aRemoteAddress); |
|
480 iRequesterHelper->Begin(); |
|
481 } |
|
482 |
|
483 /* |
|
484 Forms the binding between passively created transport sessions and sockets |
|
485 */ |
|
486 void CGavdp::BindBearersL(TSEID aSEID, TBool aRequireReporting, TBool aRequireRecovery) |
|
487 { |
|
488 // which bearers? spy on set config to see if rec&rep in use |
|
489 // or from the indication? |
|
490 //certainly media |
|
491 CheckSEID(aSEID); |
|
492 |
|
493 TAvdtpSockAddr addr; |
|
494 AvdtpRequester().RemoteName(addr); |
|
495 addr.SetSEID(aSEID); |
|
496 |
|
497 if (iRequesterHelper) |
|
498 { |
|
499 // the client has just issued another command |
|
500 // this is likely to be something that renders the connections invalid anyway |
|
501 // eg Abort, Config |
|
502 User::Leave(KErrInUse); |
|
503 } |
|
504 |
|
505 iRequesterHelper = CGavdpUPlaneConnector::NewL(*this, |
|
506 iServiceUser, |
|
507 addr, |
|
508 aRequireReporting, |
|
509 aRequireRecovery, |
|
510 iClientSocketServer |
|
511 ); |
|
512 iRequesterHelper->Begin(); |
|
513 } |
|
514 |
|
515 TInt CGavdp::CreateBearerSockets(TSEID aSEID) |
|
516 { |
|
517 // form socket address and connect |
|
518 // should be in state listening. if we are told to create bearers then of course stop listening |
|
519 CheckSEID(aSEID); |
|
520 |
|
521 TAvdtpSockAddr addr; |
|
522 |
|
523 // get remote BDAddr for this session |
|
524 AvdtpRequester().RemoteName(addr); |
|
525 |
|
526 // now set SEID and Session type |
|
527 addr.SetSEID(aSEID); |
|
528 |
|
529 // ask avdtp if reporting and recovery are configured |
|
530 TReportingAndRecovery rar; |
|
531 rar.iSEID = aSEID; |
|
532 TPckg<TReportingAndRecovery> rarBuf(rar); |
|
533 TInt err = AvdtpRequester().GetOpt(EGetReportingAndRecoveryConfig, KSolBtAVDTPSignalling, rarBuf); |
|
534 if(err == KErrNone) |
|
535 { |
|
536 // helper sets session types |
|
537 TRAP(err, iRequesterHelper = CGavdpUPlaneConnector::NewL(*this, |
|
538 iServiceUser, |
|
539 addr, |
|
540 rar.iReporting, |
|
541 rar.iRecovery, |
|
542 iClientSocketServer)); |
|
543 if (err) |
|
544 { |
|
545 iServiceUser.GAVDP_Error(err, KNullDesC8); |
|
546 } |
|
547 else |
|
548 { |
|
549 iRequesterHelper->Begin(); |
|
550 } |
|
551 } |
|
552 else |
|
553 { |
|
554 iServiceUser.GAVDP_Error(err, KNullDesC8); |
|
555 } |
|
556 return err; |
|
557 } |
|
558 |
|
559 |
|
560 inline TBool CGavdp::CheckSEID(TSEID aSEID) |
|
561 { |
|
562 TBool ok = aSEID.IsValid(); |
|
563 __ASSERT_ALWAYS(ok, Panic(EGavdpUserSuppliedBadSEID)); |
|
564 return ok; |
|
565 } |
|
566 |
|
567 |
|
568 TInt CGavdp::Shutdown() |
|
569 { |
|
570 Cancel(); |
|
571 iState=EIdle; |
|
572 return AvdtpRequester().SetOpt(EShutdown, KSolBtAVDTPSignalling, NULL); |
|
573 } |