|
1 /* |
|
2 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 |
|
20 |
|
21 #include <e32base.h> |
|
22 #include <e32cmn.h> |
|
23 #include <siprackheader.h> |
|
24 #include <sipconnection.h> |
|
25 #include <sipresponseelements.h> |
|
26 #include <siprequestelements.h> |
|
27 #include <sipcseqheader.h> |
|
28 #include <siprseqheader.h> |
|
29 #include <centralrepository.h> |
|
30 #include <sipsdkcrkeys.h> |
|
31 #include <stringpool.h> |
|
32 #include "mcesip.h" |
|
33 #include "mcesrvlogs.h" |
|
34 #include "mcereliableobserver.h" |
|
35 #include "mcereliablesender.h" |
|
36 #include "mceeventstatebase.h" |
|
37 |
|
38 // CONSTANTS |
|
39 const TInt KMaxTransTimeOut = 64; |
|
40 const TUint KTransInterval = 2; |
|
41 |
|
42 |
|
43 // ----------------------------------------------------------------------------- |
|
44 // CMCEReliableSender::NewL ; |
|
45 // Two-phased constructor. ; |
|
46 // ----------------------------------------------------------------------------- |
|
47 // |
|
48 CMceReliableSender* CMceReliableSender::NewL( MMceReliableObserver& aObserver ) |
|
49 { |
|
50 CMceReliableSender* self = new( ELeave ) CMceReliableSender( aObserver ); |
|
51 CleanupStack::PushL( self ); |
|
52 self->ConstructL(); |
|
53 CleanupStack::Pop( self ); |
|
54 return self; |
|
55 } |
|
56 |
|
57 // ----------------------------------------------------------------------------- |
|
58 // CMceReliableSender::CMceReliableSender |
|
59 // Constructor |
|
60 // ----------------------------------------------------------------------------- |
|
61 // |
|
62 CMceReliableSender::CMceReliableSender( MMceReliableObserver& aObserver ) |
|
63 : iObserver( &aObserver ) |
|
64 { |
|
65 } |
|
66 |
|
67 // ----------------------------------------------------------------------------- |
|
68 // Destructor |
|
69 // ----------------------------------------------------------------------------- |
|
70 // |
|
71 CMceReliableSender::~CMceReliableSender() |
|
72 { |
|
73 delete iDTimer; |
|
74 delete iResponseElements; |
|
75 } |
|
76 |
|
77 // ----------------------------------------------------------------------------- |
|
78 // CMceReliableSender::ConstructL |
|
79 // Symbian 2nd phase constructor. |
|
80 // ----------------------------------------------------------------------------- |
|
81 // |
|
82 void CMceReliableSender::ConstructL() |
|
83 { |
|
84 const TUint KMaxRSec = 0x7fffffff; |
|
85 const TUint KMinRSec = 1; |
|
86 TInt timerT1; |
|
87 CRepository* repository = CRepository::NewLC( KCRUidSIP ); |
|
88 User::LeaveIfError( repository->Get( KSIPTransactionTimerT1, timerT1 )); |
|
89 CleanupStack::PopAndDestroy( repository ); |
|
90 |
|
91 iT1 = timerT1; |
|
92 |
|
93 iRetransTimer = 1; |
|
94 iTotaltime = 0; |
|
95 |
|
96 iSequenceNumber = MceSip::Random( KMinRSec, KMaxRSec ); |
|
97 iTransactionMatched = EFalse; |
|
98 iTransactionStatus = EFalse; // No Pending transaction Yet |
|
99 iTransTimeoutFlag = EFalse; |
|
100 |
|
101 // Create the timer entry |
|
102 iDTimer = CDeltaTimer::NewL( CActive::EPriorityStandard ); |
|
103 |
|
104 TCallBack cb( TimerExpire, this ); |
|
105 iDeltaEntry.Set( cb ); |
|
106 } |
|
107 |
|
108 // ----------------------------------------------------------------------------- |
|
109 // CMceReliableSender::Rseq |
|
110 // ----------------------------------------------------------------------------- |
|
111 // |
|
112 TUint CMceReliableSender::Rseq( CSIPServerTransaction& aTransaction ) |
|
113 { |
|
114 TInt tInProcess = 0; |
|
115 if ( iTransactionStatus ) |
|
116 { |
|
117 MCESRV_DEBUG( "CMceReliableSender::Rseq: Transsaction in Process"); |
|
118 return tInProcess; |
|
119 } |
|
120 else if( &aTransaction == iServerTransaction ) |
|
121 { |
|
122 iSequenceNumber = iSequenceNumber + 1; |
|
123 return iSequenceNumber; |
|
124 } |
|
125 else |
|
126 { |
|
127 return iSequenceNumber; |
|
128 } |
|
129 } |
|
130 |
|
131 // ----------------------------------------------------------------------------- |
|
132 // CMceReliableSender::SendResponseL |
|
133 // ----------------------------------------------------------------------------- |
|
134 // |
|
135 void CMceReliableSender::SendResponseL( CSIPServerTransaction& aTransaction, |
|
136 CSIPResponseElements* aElements ) |
|
137 { |
|
138 if ( iTransactionStatus ) |
|
139 { |
|
140 User::Leave( KErrInUse ); |
|
141 } |
|
142 |
|
143 iServerTransaction = &aTransaction; |
|
144 CSIPResponseElements* xResponses; |
|
145 |
|
146 // Set the Transaction in progree Flag |
|
147 |
|
148 iTransactionStatus = ETrue; |
|
149 TUint queueTimer = 0; |
|
150 |
|
151 xResponses = ResponseCloneL( *aElements ); |
|
152 CleanupStack::PushL( xResponses ); |
|
153 iServerTransaction->SendResponseL( xResponses ); |
|
154 MCESRV_DEBUG_DVALUE( |
|
155 "CMceReliableSender::SendResponseL - timer value:", iRetransTimer ); |
|
156 CleanupStack::Pop( xResponses ); |
|
157 iResponseElements = aElements; |
|
158 |
|
159 queueTimer = iRetransTimer * iT1 *KConversionMilliToMicro; |
|
160 iDTimer->Queue( queueTimer, iDeltaEntry ); |
|
161 iRetransTimer = iRetransTimer * KTransInterval; |
|
162 } |
|
163 |
|
164 // ----------------------------------------------------------------------------- |
|
165 // CMceReliableSender::ResponseCloneL |
|
166 // ----------------------------------------------------------------------------- |
|
167 // |
|
168 CSIPResponseElements* CMceReliableSender::ResponseCloneL( |
|
169 CSIPResponseElements& aElements ) |
|
170 { |
|
171 CSIPResponseElements* cElements = |
|
172 CSIPResponseElements::NewLC( aElements.StatusCode(), |
|
173 aElements.ReasonPhrase() ); |
|
174 // Creating messge Elements |
|
175 CSIPMessageElements& msgElements = aElements.MessageElements(); |
|
176 CSIPMessageElements& cloneMsgElements = cElements->MessageElements(); |
|
177 |
|
178 |
|
179 // Copying Contents |
|
180 if ( msgElements.Content().Length() ) |
|
181 { |
|
182 const CSIPContentTypeHeader* contentType = msgElements.ContentType(); |
|
183 CSIPContentTypeHeader* cloneContentType = |
|
184 static_cast<CSIPContentTypeHeader *>( contentType->CloneL() ); |
|
185 CleanupStack::PushL( cloneContentType ); |
|
186 |
|
187 HBufC8* contentBuffer = HBufC8::NewLC( msgElements.Content().Length() ); |
|
188 TPtr8 contentsPtr = contentBuffer->Des(); |
|
189 contentsPtr.Append( msgElements.Content() ); |
|
190 |
|
191 cloneMsgElements.SetContentL( contentBuffer, cloneContentType ); |
|
192 CleanupStack::Pop( contentBuffer ); |
|
193 CleanupStack::Pop( cloneContentType ); |
|
194 } |
|
195 |
|
196 // User Headers |
|
197 const RPointerArray<CSIPHeaderBase>& headers = msgElements.UserHeaders(); |
|
198 if ( headers.Count() ) |
|
199 { |
|
200 RPointerArray<CSIPHeaderBase> tmpHeaders; |
|
201 CSIPHeaderBase::PushLC( &tmpHeaders ); |
|
202 for(TInt i = 0; i < headers.Count(); i++) |
|
203 { |
|
204 CSIPHeaderBase* userHeader = headers[i]->CloneL(); |
|
205 CleanupStack::PushL( userHeader ); |
|
206 tmpHeaders.AppendL( userHeader ); |
|
207 |
|
208 CleanupStack::Pop( userHeader ); |
|
209 } |
|
210 |
|
211 cloneMsgElements.SetUserHeadersL( tmpHeaders ); |
|
212 CleanupStack::Pop( &tmpHeaders ); |
|
213 } |
|
214 CleanupStack::Pop( cElements ); |
|
215 return cElements; |
|
216 } |
|
217 |
|
218 // ----------------------------------------------------------------------------- |
|
219 // CMceReliableSender::PrackReceived |
|
220 // ----------------------------------------------------------------------------- |
|
221 // |
|
222 TBool CMceReliableSender::PrackReceived( CSIPServerTransaction& aPrack ) |
|
223 { |
|
224 TBool transactionMatched = EFalse; |
|
225 RStringF rackHeaderStr = SIPStrings::StringF( SipStrConsts::ERAckHeader ); |
|
226 RStringF rseqStr = SIPStrings::StringF( SipStrConsts::ERSeqHeader ); |
|
227 |
|
228 const CSIPRequestElements* reqElements = aPrack.RequestElements(); |
|
229 CSIPHeaderBase* headerBase = |
|
230 MceSip::FindHeader( reqElements->MessageElements(), rackHeaderStr ); |
|
231 const CSIPRAckHeader* rackHeader = static_cast<CSIPRAckHeader *>( headerBase ); |
|
232 |
|
233 const CSIPRequestElements* sReqElements = iServerTransaction->RequestElements(); |
|
234 const CSIPCSeqHeader* cseqHeader = sReqElements->CSeqHeader(); |
|
235 |
|
236 CSIPHeaderBase* headerBase3 = |
|
237 MceSip::FindHeader( iResponseElements->MessageElements(), rseqStr ); |
|
238 const CSIPRSeqHeader* rseqHeader = static_cast<CSIPRSeqHeader *> ( headerBase3 ); |
|
239 |
|
240 |
|
241 if ( ( rackHeader && cseqHeader && rseqHeader ) && |
|
242 ( rackHeader->CSeqNum() == cseqHeader->Seq() ) && |
|
243 ( rackHeader->Method() == sReqElements->Method() ) && |
|
244 ( rackHeader->Seq() == rseqHeader->Value()) ) |
|
245 |
|
246 { |
|
247 MCESRV_DEBUG( "CMceReliableSender::PrackReceived: prack matched"); |
|
248 transactionMatched = ETrue; |
|
249 } |
|
250 |
|
251 if ( transactionMatched ) |
|
252 { |
|
253 // Cease the Re-Transmission of Reliable Response |
|
254 |
|
255 iDTimer->Remove( iDeltaEntry ); |
|
256 iTransactionMatched = ETrue; |
|
257 iTransactionStatus = EFalse; |
|
258 |
|
259 return ETrue; |
|
260 } |
|
261 |
|
262 MCESRV_DEBUG( "CMceReliableSender::PrackReceived: no prack matched"); |
|
263 return EFalse; |
|
264 } |
|
265 |
|
266 // ----------------------------------------------------------------------------- |
|
267 // CMceReliableSender::TimerExpire |
|
268 // ----------------------------------------------------------------------------- |
|
269 // |
|
270 TInt CMceReliableSender::TimerExpire( TAny *aSelf ) |
|
271 { |
|
272 TInt error; |
|
273 TUint queueTimer; |
|
274 TUint tmpTotalTime; |
|
275 |
|
276 CMceReliableSender* me = static_cast<CMceReliableSender *>( aSelf ); |
|
277 |
|
278 if ( !me->iTransTimeoutFlag ) |
|
279 { |
|
280 TRAP(error, me->CloneAndSendResponseL()); |
|
281 |
|
282 if ( error ) |
|
283 { |
|
284 me->iObserver->ReliableFailed( *me->iServerTransaction, error ); |
|
285 } |
|
286 } |
|
287 |
|
288 else |
|
289 { |
|
290 me->TimeOut( me->iServerTransaction ); |
|
291 } |
|
292 |
|
293 if ( me->iRetransTimer <= KMaxTransTimeOut && me->iTransactionStatus ) |
|
294 { |
|
295 tmpTotalTime = me->iTotaltime; |
|
296 me->iTotaltime = me->iTotaltime + me->iRetransTimer; // acumlated time |
|
297 |
|
298 if ( me->iTotaltime <= KMaxTransTimeOut ) |
|
299 { |
|
300 queueTimer = me->iRetransTimer * me->iT1 * KConversionMilliToMicro; |
|
301 } |
|
302 else |
|
303 { |
|
304 me->iTotaltime = tmpTotalTime; |
|
305 queueTimer = ( KMaxTransTimeOut - me->iTotaltime ) * me->iT1 * KConversionMilliToMicro; |
|
306 me->iTransTimeoutFlag = ETrue; |
|
307 } |
|
308 |
|
309 me->iDTimer->Queue( queueTimer, me->iDeltaEntry ); |
|
310 me->iRetransTimer = me->iRetransTimer * KTransInterval; |
|
311 MCESRV_DEBUG_DVALUE( |
|
312 "CMceReliableSender::TimerExpire: timer added", me->iRetransTimer ); |
|
313 |
|
314 } |
|
315 |
|
316 return KErrNone; |
|
317 } |
|
318 |
|
319 // ----------------------------------------------------------------------------- |
|
320 // CMceReliableSender::CloneAndSendResponseL |
|
321 // ----------------------------------------------------------------------------- |
|
322 // |
|
323 void CMceReliableSender::CloneAndSendResponseL() |
|
324 { |
|
325 CSIPResponseElements* oResponses; |
|
326 oResponses = ResponseCloneL( *iResponseElements ); |
|
327 MCESRV_DEBUG( |
|
328 "CMceReliableSender::CloneAndSendResponseL: responseElements cloned"); |
|
329 CleanupStack::PushL( oResponses ); |
|
330 iServerTransaction->SendResponseL( oResponses ); |
|
331 MCESRV_DEBUG( |
|
332 "CMceReliableSender::CloneAndSendResponseL: reliableResponse sent"); |
|
333 CleanupStack::Pop( oResponses ); |
|
334 } |
|
335 |
|
336 // ----------------------------------------------------------------------------- |
|
337 // CMceReliableSender::TimeOut |
|
338 // ----------------------------------------------------------------------------- |
|
339 // |
|
340 void CMceReliableSender::TimeOut( CSIPServerTransaction* aTransaction ) |
|
341 { |
|
342 iObserver->NoPrackReceived( *aTransaction ); |
|
343 } |
|
344 |
|
345 // End of File |