realtimenetprots/sipfw/SIP/TransactionUser/src/InviteUACStates.cpp
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     1 // Copyright (c) 2006-2009 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 // Name          : InviteUACStates.cpp
       
    15 // Part of       : TransactionUser
       
    16 // Version       : SIP/5.0
       
    17 //
       
    18 
       
    19 
       
    20 
       
    21 #include "siperr.h"
       
    22 #include "siprequest.h"
       
    23 #include "sipresponse.h"
       
    24 #include "SipAssert.h"
       
    25 
       
    26 #include "InviteUAC.h"
       
    27 #include "InviteUACStates.h"
       
    28 
       
    29 
       
    30 // -----------------------------------------------------------------------------
       
    31 // CInviteUAC_Start::CInviteUAC_Start
       
    32 // -----------------------------------------------------------------------------
       
    33 //
       
    34 CInviteUAC_Start::CInviteUAC_Start()
       
    35 	{
       
    36 	}
       
    37 
       
    38 // -----------------------------------------------------------------------------
       
    39 // CInviteUAC_Start::~CInviteUAC_Start
       
    40 // -----------------------------------------------------------------------------
       
    41 //
       
    42 CInviteUAC_Start::~CInviteUAC_Start()
       
    43 	{
       
    44 	}
       
    45 
       
    46 // -----------------------------------------------------------------------------
       
    47 // CInviteUAC_Start::SetNeighbourStates
       
    48 // -----------------------------------------------------------------------------
       
    49 //
       
    50 void CInviteUAC_Start::SetNeighbourStates(CUserAgentState& aResolveAddress)
       
    51 	{    
       
    52 	iResolveAddress = &aResolveAddress;
       
    53 	}
       
    54 
       
    55 // -----------------------------------------------------------------------------
       
    56 // CInviteUAC_Start::SendRequestL
       
    57 // -----------------------------------------------------------------------------
       
    58 //
       
    59 void CInviteUAC_Start::SendRequestL(CUserAgent& aUserAgent,
       
    60 									CSIPRequest* aReq,
       
    61 									TRegistrationId aRegisterId,
       
    62 									const CURIContainer& aRemoteTarget) const
       
    63     {
       
    64     __SIP_ASSERT_LEAVE(aReq, KErrArgument);    
       
    65 
       
    66 	CInviteUAC::Ptr(aUserAgent).HandleSendRequestL(aReq,
       
    67 												   aRegisterId,
       
    68 												   aRemoteTarget,
       
    69                                                    *iResolveAddress);
       
    70 	}
       
    71 
       
    72 // -----------------------------------------------------------------------------
       
    73 // CInviteUAC_Start::SendAckL
       
    74 // Can't send ACK before a 2xx has been received
       
    75 // -----------------------------------------------------------------------------
       
    76 //
       
    77 void CInviteUAC_Start::SendAckL(CUserAgent& /*aUserAgent*/,						
       
    78 							    CSIPRequest* aAck,
       
    79 							    MTransactionOwner& /*aObserver*/,
       
    80 							    const TSIPTransportParams& /*aParams*/,
       
    81 							    TRegistrationId /*aRegisterId*/,
       
    82 							    const CURIContainer& /*aRemoteTarget*/,
       
    83 							    TBool /*aDeleteRequest*/,
       
    84 							    RStringF /*aBranch*/) const
       
    85 	{
       
    86     __SIP_ASSERT_LEAVE(aAck, KErrArgument);
       
    87 
       
    88 	User::Leave(KErrSIPInvalidTransactionState);
       
    89 	}
       
    90 
       
    91 // -----------------------------------------------------------------------------
       
    92 // CInviteUAC_ResolveAddress::CInviteUAC_ResolveAddress
       
    93 // -----------------------------------------------------------------------------
       
    94 //
       
    95 CInviteUAC_ResolveAddress::CInviteUAC_ResolveAddress()
       
    96 	{
       
    97 	}
       
    98 
       
    99 // -----------------------------------------------------------------------------
       
   100 // CInviteUAC_ResolveAddress::~CInviteUAC_ResolveAddress
       
   101 // -----------------------------------------------------------------------------
       
   102 //
       
   103 CInviteUAC_ResolveAddress::~CInviteUAC_ResolveAddress()
       
   104 	{
       
   105 	}
       
   106 
       
   107 // -----------------------------------------------------------------------------
       
   108 // CInviteUAC_ResolveAddress::SetNeighbourStates
       
   109 // -----------------------------------------------------------------------------
       
   110 //
       
   111 void
       
   112 CInviteUAC_ResolveAddress::SetNeighbourStates(CUserAgentState& aWaitResponse)
       
   113 	{
       
   114 	iWaitResponse = &aWaitResponse;
       
   115 	}
       
   116 
       
   117 // -----------------------------------------------------------------------------
       
   118 // CInviteUAC_ResolveAddress::IsResolving
       
   119 // -----------------------------------------------------------------------------
       
   120 //
       
   121 TBool CInviteUAC_ResolveAddress::IsResolving() const
       
   122 	{
       
   123 	return ETrue;
       
   124 	}
       
   125 
       
   126 // -----------------------------------------------------------------------------
       
   127 // CInviteUAC_ResolveAddress::AddressResolvedL
       
   128 // -----------------------------------------------------------------------------
       
   129 //
       
   130 void CInviteUAC_ResolveAddress::AddressResolvedL(CUserAgent& aUserAgent) const
       
   131 	{
       
   132 	CInviteUAC::Ptr(aUserAgent).RemoteAddressResolvedL(*iWaitResponse);
       
   133 	}
       
   134 
       
   135 // -----------------------------------------------------------------------------
       
   136 // CInviteUAC_ResolveAddress::ResolvingFailed
       
   137 // -----------------------------------------------------------------------------
       
   138 //
       
   139 void CInviteUAC_ResolveAddress::ResolvingFailed(CUserAgent& aUserAgent) const
       
   140 	{
       
   141 	CInviteUAC::Ptr(aUserAgent).HandleResolvingFailure(*this, *iWaitResponse);
       
   142 	}
       
   143 
       
   144 // -----------------------------------------------------------------------------
       
   145 // CInviteUAC_ResolveAddress::SendAckL
       
   146 // Can't send ACK before a 2xx has been received
       
   147 // -----------------------------------------------------------------------------
       
   148 //
       
   149 void CInviteUAC_ResolveAddress::SendAckL(CUserAgent& /*aUserAgent*/,
       
   150 										 CSIPRequest* aAck,										 
       
   151 										 MTransactionOwner& /*aObserver*/,
       
   152 										 const TSIPTransportParams& /*aParams*/,
       
   153 										 TRegistrationId /*aRegisterId*/,
       
   154 										 const CURIContainer& /*aRemoteTarget*/,
       
   155 										 TBool /*aDeleteRequest*/,
       
   156 										 RStringF /*aBranch*/) const
       
   157 	{
       
   158     __SIP_ASSERT_LEAVE(aAck, KErrArgument);
       
   159 	
       
   160 	User::Leave(KErrSIPInvalidTransactionState);
       
   161 	}
       
   162 
       
   163 // -----------------------------------------------------------------------------
       
   164 // CInviteUAC_WaitResponse::CInviteUAC_WaitResponse
       
   165 // -----------------------------------------------------------------------------
       
   166 //
       
   167 CInviteUAC_WaitResponse::CInviteUAC_WaitResponse()
       
   168 	{
       
   169 	}
       
   170 
       
   171 // -----------------------------------------------------------------------------
       
   172 // CInviteUAC_WaitResponse::~CInviteUAC_WaitResponse
       
   173 // -----------------------------------------------------------------------------
       
   174 //
       
   175 CInviteUAC_WaitResponse::~CInviteUAC_WaitResponse()
       
   176 	{
       
   177 	}
       
   178 
       
   179 // -----------------------------------------------------------------------------
       
   180 // CInviteUAC_WaitResponse::SetNeighbourStates
       
   181 // -----------------------------------------------------------------------------
       
   182 //
       
   183 void CInviteUAC_WaitResponse::SetNeighbourStates(
       
   184 							 CUserAgentState& aWaitAckFromApp,
       
   185 							 CUserAgentState& aWaitTransactionToEnd,
       
   186 							 CUserAgentState& aResolveAddress,
       
   187 							 CUserAgentState& aWaitAuthentication)
       
   188 	{    	
       
   189 	iWaitAckFromApp = &aWaitAckFromApp;
       
   190 	iWaitTransactionToEnd = &aWaitTransactionToEnd;
       
   191 	iResolveAddress = &aResolveAddress;
       
   192 	iWaitAuthentication = &aWaitAuthentication;
       
   193 	}
       
   194 
       
   195 // -----------------------------------------------------------------------------
       
   196 // CInviteUAC_WaitResponse::ReceiveL
       
   197 // -----------------------------------------------------------------------------
       
   198 //
       
   199 void CInviteUAC_WaitResponse::ReceiveL(CUserAgent& aUserAgent,
       
   200 	                                   CSIPResponse* aResponse) const
       
   201 	{
       
   202     __SIP_ASSERT_LEAVE(aResponse, KErrArgument);
       
   203 
       
   204 	CInviteUAC& ua = CInviteUAC::Ptr(aUserAgent);
       
   205 
       
   206 	//If a final response has been passed to TransactionOwner, UA should be in
       
   207 	//CInviteUAC_WaitAckFromApp state
       
   208     __SIP_ASSERT_LEAVE(!ua.FinalRespPassed(), KErrSIPInvalidTransactionState);
       
   209 	
       
   210     TBool wait(EFalse);
       
   211     TRAPD(err,wait = ua.PassResponseToSIPSecL(*aResponse))
       
   212     
       
   213     if(err )
       
   214         {
       
   215         if(aResponse->IsErrorResponse())
       
   216             
       
   217             ua.SetSipSecError(err);
       
   218         else
       
   219             User::Leave(err); 
       
   220         }
       
   221     
       
   222 	if (wait)
       
   223 		{
       
   224 		//Wait for SIPSec to handle response
       
   225 		ua.StoreResponse(aResponse);
       
   226 		aUserAgent.ChangeState(*iWaitAuthentication);
       
   227 		}
       
   228 	else
       
   229 		{
       
   230 		if (aResponse->ResponseCode() >= 300)
       
   231 			{			
       
   232 			ua.StartSIPSecTimerL();
       
   233 			ua.StoreResponse(aResponse);
       
   234 			aUserAgent.ChangeState(*iWaitAuthentication);
       
   235 			}
       
   236 		else
       
   237 			{
       
   238 			ua.ReceiveResponseL(aResponse,
       
   239 								*iResolveAddress,
       
   240 								*this,
       
   241 								*iWaitAckFromApp,
       
   242 								*iWaitTransactionToEnd);
       
   243 			}
       
   244 		}
       
   245 	}
       
   246 
       
   247 // -----------------------------------------------------------------------------
       
   248 // CInviteUAC_WaitResponse::TransactionEndsL
       
   249 // -----------------------------------------------------------------------------
       
   250 //
       
   251 void CInviteUAC_WaitResponse::TransactionEndsL(CUserAgent& aUserAgent,
       
   252 											   TInt aReason) const
       
   253 	{
       
   254 	CInviteUAC::Ptr(aUserAgent).TransactionEndsWithoutFinalResponseL(aReason,
       
   255 											    *iResolveAddress,
       
   256 											    *this);
       
   257 	}
       
   258 
       
   259 // -----------------------------------------------------------------------------
       
   260 // CInviteUAC_WaitResponse::SendAckL
       
   261 // Can't send ACK before a 2xx has been received
       
   262 // -----------------------------------------------------------------------------
       
   263 //
       
   264 void CInviteUAC_WaitResponse::SendAckL(CUserAgent& /*aUserAgent*/,
       
   265 									   CSIPRequest* aAck,
       
   266 									   MTransactionOwner& /*aObserver*/,
       
   267 									   const TSIPTransportParams& /*aParams*/,
       
   268 									   TRegistrationId /*aRegisterId*/,
       
   269 									   const CURIContainer& /*aRemoteTarget*/,
       
   270 									   TBool /*aDeleteRequest*/,
       
   271 									   RStringF /*aBranch*/) const
       
   272 	{
       
   273     __SIP_ASSERT_LEAVE(aAck, KErrArgument);
       
   274 
       
   275 	User::Leave(KErrSIPInvalidTransactionState);
       
   276 	}
       
   277 
       
   278 // -----------------------------------------------------------------------------
       
   279 // CInviteUAC_WaitAckFromApp::CInviteUAC_WaitAckFromApp
       
   280 // -----------------------------------------------------------------------------
       
   281 //
       
   282 CInviteUAC_WaitAckFromApp::CInviteUAC_WaitAckFromApp()
       
   283 	{
       
   284 	}
       
   285 
       
   286 // -----------------------------------------------------------------------------
       
   287 // CInviteUAC_WaitAckFromApp::~CInviteUAC_WaitAckFromApp
       
   288 // -----------------------------------------------------------------------------
       
   289 //
       
   290 CInviteUAC_WaitAckFromApp::~CInviteUAC_WaitAckFromApp()
       
   291 	{
       
   292 	}
       
   293 
       
   294 // -----------------------------------------------------------------------------
       
   295 // CInviteUAC_WaitAckFromApp::SetNeighbourStates
       
   296 // -----------------------------------------------------------------------------
       
   297 //
       
   298 void CInviteUAC_WaitAckFromApp::SetNeighbourStates(
       
   299 	CUserAgentState& aResolveAckAddress)
       
   300 	{    
       
   301 	iResolveAckAddress = &aResolveAckAddress;
       
   302 	}
       
   303 
       
   304 // -----------------------------------------------------------------------------
       
   305 // CInviteUAC_WaitAckFromApp::SendAckL
       
   306 // ACK's headers are not updated to CTransactionStore, as an ACK to a 2xx has a
       
   307 // different branch than the original INVITE, and further 2xx responses couldn't
       
   308 // be routed to this UAC anymore if the new branch is put to CTransactionStore.
       
   309 // -----------------------------------------------------------------------------
       
   310 //
       
   311 void CInviteUAC_WaitAckFromApp::SendAckL(CUserAgent& aUserAgent,
       
   312 										 CSIPRequest* aAck,
       
   313 										 MTransactionOwner& aObserver,
       
   314 										 const TSIPTransportParams& aParams,
       
   315 										 TRegistrationId aRegisterId,
       
   316 										 const CURIContainer& aRemoteTarget,
       
   317 										 TBool aDeleteRequest,
       
   318 										 RStringF aBranch) const
       
   319 	{
       
   320     __SIP_ASSERT_LEAVE(aAck, KErrArgument);    
       
   321 
       
   322 	CInviteUAC::Ptr(aUserAgent).SendFirstAckL(aAck,
       
   323 											  aObserver,
       
   324 											  aParams,
       
   325 											  aRegisterId,
       
   326 											  aRemoteTarget,
       
   327 											  aDeleteRequest,
       
   328 											  aBranch);	
       
   329 	aUserAgent.ChangeState(*iResolveAckAddress);
       
   330 	}
       
   331 
       
   332 // -----------------------------------------------------------------------------
       
   333 // CInviteUAC_WaitAckFromApp::ReceiveL
       
   334 // As incoming responses are routed using Via's branch parameter, the 2xx
       
   335 // responses will be received by the same UAC regardless of the To-tag value.
       
   336 // -----------------------------------------------------------------------------
       
   337 //
       
   338 void CInviteUAC_WaitAckFromApp::ReceiveL(CUserAgent& aUserAgent,
       
   339 	                                     CSIPResponse* aResponse) const
       
   340 	{
       
   341     __SIP_ASSERT_LEAVE(aResponse, KErrArgument);    
       
   342 	
       
   343 	CInviteUAC::Ptr(aUserAgent).HandleAdditional2xxL(aResponse);
       
   344 	}
       
   345 
       
   346 // -----------------------------------------------------------------------------
       
   347 // CInviteUAC_WaitAckFromApp::TimerExpiredL
       
   348 // -----------------------------------------------------------------------------
       
   349 //
       
   350 void CInviteUAC_WaitAckFromApp::TimerExpiredL(CUserAgent& aUserAgent,
       
   351 										      TTimerId aTimerId,
       
   352 										      TAny* aTimerParam) const
       
   353 	{
       
   354     __SIP_ASSERT_LEAVE(aTimerParam, KErrArgument);    
       
   355 
       
   356 	HandleTimerExpirationL(aUserAgent, aTimerId, aTimerParam);
       
   357 	}
       
   358 
       
   359 // -----------------------------------------------------------------------------
       
   360 // CInviteUAC_ResolveAckAddress::CInviteUAC_ResolveAckAddress
       
   361 // -----------------------------------------------------------------------------
       
   362 //
       
   363 CInviteUAC_ResolveAckAddress::CInviteUAC_ResolveAckAddress()
       
   364 	{
       
   365 	}
       
   366 
       
   367 // -----------------------------------------------------------------------------
       
   368 // CInviteUAC_ResolveAckAddress::~CInviteUAC_ResolveAckAddress
       
   369 // -----------------------------------------------------------------------------
       
   370 //
       
   371 CInviteUAC_ResolveAckAddress::~CInviteUAC_ResolveAckAddress()
       
   372 	{
       
   373 	}
       
   374 
       
   375 // -----------------------------------------------------------------------------
       
   376 // CInviteUAC_ResolveAckAddress::SetNeighbourStates
       
   377 // -----------------------------------------------------------------------------
       
   378 //
       
   379 void
       
   380 CInviteUAC_ResolveAckAddress::SetNeighbourStates(CUserAgentState& aSendingAck)
       
   381 	{
       
   382 	iSendingAck = &aSendingAck;
       
   383 	}
       
   384 
       
   385 // -----------------------------------------------------------------------------
       
   386 // CInviteUAC_ResolveAckAddress::IsResolving
       
   387 // -----------------------------------------------------------------------------
       
   388 //
       
   389 TBool CInviteUAC_ResolveAckAddress::IsResolving() const
       
   390 	{
       
   391 	return ETrue;
       
   392 	}
       
   393 
       
   394 // -----------------------------------------------------------------------------
       
   395 // CInviteUAC_ResolveAckAddress::AddressResolvedL
       
   396 // Remote address for ACK resolved, send the ACK from send buffer
       
   397 // -----------------------------------------------------------------------------
       
   398 //
       
   399 void
       
   400 CInviteUAC_ResolveAckAddress::AddressResolvedL(CUserAgent& aUserAgent) const
       
   401 	{
       
   402 	CInviteUAC::Ptr(aUserAgent).AckAddressResolvedL();
       
   403 	aUserAgent.ChangeState(*iSendingAck);
       
   404 	}
       
   405 
       
   406 // -----------------------------------------------------------------------------
       
   407 // CInviteUAC_ResolveAckAddress::ResolvingFailed
       
   408 // -----------------------------------------------------------------------------
       
   409 //
       
   410 void CInviteUAC_ResolveAckAddress::ResolvingFailed(CUserAgent& aUserAgent) const
       
   411 	{
       
   412 	CInviteUAC::Ptr(aUserAgent).HandleResolvingFailure(*this, *iSendingAck);
       
   413 	}
       
   414 
       
   415 // -----------------------------------------------------------------------------
       
   416 // CInviteUAC_ResolveAckAddress::SendAckL
       
   417 // -----------------------------------------------------------------------------
       
   418 //
       
   419 void CInviteUAC_ResolveAckAddress::SendAckL(CUserAgent& aUserAgent,
       
   420 										    CSIPRequest* aAck,
       
   421 										    MTransactionOwner& aObserver,
       
   422 										    const TSIPTransportParams& aParams,
       
   423 										    TRegistrationId aRegisterId,
       
   424 										    const CURIContainer& aRemoteTarget,
       
   425 										    TBool aDeleteRequest,
       
   426 										    RStringF /*aBranch*/) const
       
   427 	{
       
   428     __SIP_ASSERT_LEAVE(aAck, KErrArgument);    
       
   429 
       
   430 	CInviteUAC::Ptr(aUserAgent).SendAdditionalAckL(aAck,
       
   431 												   aObserver,
       
   432 												   aParams,
       
   433 												   aRegisterId,
       
   434 												   aRemoteTarget,
       
   435 												   aDeleteRequest);
       
   436 	}
       
   437 
       
   438 // -----------------------------------------------------------------------------
       
   439 // CInviteUAC_ResolveAckAddress::ReceiveL
       
   440 // Incoming responses are routed by Via branch, so 2xx responses are received
       
   441 // by the same UAC regardless of the To-tag value.
       
   442 // -----------------------------------------------------------------------------
       
   443 //
       
   444 void CInviteUAC_ResolveAckAddress::ReceiveL(CUserAgent& aUserAgent,
       
   445 	                                        CSIPResponse* aResponse) const
       
   446 	{
       
   447     __SIP_ASSERT_LEAVE(aResponse, KErrArgument);
       
   448 
       
   449 	CInviteUAC::Ptr(aUserAgent).HandleAdditional2xxL(aResponse);
       
   450 	}
       
   451 
       
   452 // -----------------------------------------------------------------------------
       
   453 // CInviteUAC_ResolveAckAddress::TimerExpiredL
       
   454 // -----------------------------------------------------------------------------
       
   455 //
       
   456 void CInviteUAC_ResolveAckAddress::TimerExpiredL(CUserAgent& aUserAgent,
       
   457 											     TTimerId aTimerId,
       
   458 											     TAny* aTimerParam) const
       
   459 	{
       
   460     __SIP_ASSERT_LEAVE(aTimerParam, KErrArgument);    
       
   461 
       
   462 	HandleTimerExpirationL(aUserAgent, aTimerId, aTimerParam);
       
   463 	}
       
   464 
       
   465 // -----------------------------------------------------------------------------
       
   466 // CInviteUAC_SendingAck::CInviteUAC_SendingAck
       
   467 // -----------------------------------------------------------------------------
       
   468 //
       
   469 CInviteUAC_SendingAck::CInviteUAC_SendingAck()
       
   470 	{
       
   471 	}
       
   472 
       
   473 // -----------------------------------------------------------------------------
       
   474 // CInviteUAC_SendingAck::~CInviteUAC_SendingAck
       
   475 // -----------------------------------------------------------------------------
       
   476 //
       
   477 CInviteUAC_SendingAck::~CInviteUAC_SendingAck()
       
   478 	{
       
   479 	}
       
   480 
       
   481 // -----------------------------------------------------------------------------
       
   482 // CInviteUAC_SendingAck::SetNeighbourStates
       
   483 // -----------------------------------------------------------------------------
       
   484 //
       
   485 void
       
   486 CInviteUAC_SendingAck::SetNeighbourStates(CUserAgentState& aResolveAckAddress)
       
   487 	{
       
   488 	iResolveAckAddress = &aResolveAckAddress;
       
   489 	}
       
   490 
       
   491 // -----------------------------------------------------------------------------
       
   492 // CInviteUAC_SendingAck::SendCompleteL
       
   493 // No action, UAC ends when iTimerWait2xxRetransmissions expires
       
   494 // -----------------------------------------------------------------------------
       
   495 //
       
   496 void CInviteUAC_SendingAck::SendCompleteL(CUserAgent& /*aUserAgent*/) const
       
   497 	{    
       
   498 	}
       
   499 
       
   500 // -----------------------------------------------------------------------------
       
   501 // CInviteUAC_SendingAck::SendFailedL
       
   502 // -----------------------------------------------------------------------------
       
   503 //
       
   504 void CInviteUAC_SendingAck::SendFailedL(CUserAgent& aUserAgent,
       
   505 										TInt aError) const
       
   506 	{
       
   507 	if (!CInviteUAC::Ptr(aUserAgent).TryNextAddressL(aError,
       
   508 													 *iResolveAckAddress,
       
   509 													 *this))
       
   510 		{
       
   511 		aUserAgent.Stop(aError);
       
   512 		}
       
   513 	}
       
   514 
       
   515 // -----------------------------------------------------------------------------
       
   516 // CInviteUAC_SendingAck::SendAckL
       
   517 // -----------------------------------------------------------------------------
       
   518 //
       
   519 void CInviteUAC_SendingAck::SendAckL(CUserAgent& aUserAgent,
       
   520 								     CSIPRequest* aAck,
       
   521 								     MTransactionOwner& aObserver,
       
   522 								     const TSIPTransportParams& aParams,
       
   523 								     TRegistrationId aRegisterId,
       
   524 								     const CURIContainer& aRemoteTarget,
       
   525 								     TBool aDeleteRequest,
       
   526 								     RStringF /*aBranch*/) const
       
   527 	{
       
   528     __SIP_ASSERT_LEAVE(aAck, KErrArgument);
       
   529 
       
   530 	CInviteUAC::Ptr(aUserAgent).SendAdditionalAckL(aAck,
       
   531 												   aObserver,
       
   532 												   aParams,
       
   533 												   aRegisterId,
       
   534 												   aRemoteTarget,
       
   535 												   aDeleteRequest);
       
   536 	}
       
   537 
       
   538 // -----------------------------------------------------------------------------
       
   539 // CInviteUAC_SendingAck::ReceiveL
       
   540 // -----------------------------------------------------------------------------
       
   541 //
       
   542 void CInviteUAC_SendingAck::ReceiveL(CUserAgent& aUserAgent,
       
   543 	                                 CSIPResponse* aResponse) const
       
   544 	{
       
   545     __SIP_ASSERT_LEAVE(aResponse, KErrArgument);    
       
   546 
       
   547 	CInviteUAC::Ptr(aUserAgent).HandleAdditional2xxL(aResponse);
       
   548 	}
       
   549 
       
   550 // -----------------------------------------------------------------------------
       
   551 // CInviteUAC_SendingAck::IcmpErrorL
       
   552 // InviteUAC handles IcmpErrorL only in states where it has sent a request
       
   553 // -----------------------------------------------------------------------------
       
   554 //
       
   555 void CInviteUAC_SendingAck::IcmpErrorL(CUserAgent& aUserAgent,
       
   556 							   const TInetAddr& aAddress,
       
   557 							   CSipConnectionMgr::TICMPError /*aError*/) const
       
   558 	{    
       
   559 	CInviteUAC::Ptr(aUserAgent).HandleIcmpErrorL(aAddress,
       
   560 										         *iResolveAckAddress,
       
   561 										         *this);
       
   562 	}
       
   563 
       
   564 // -----------------------------------------------------------------------------
       
   565 // CInviteUAC_SendingAck::TimerExpiredL
       
   566 // -----------------------------------------------------------------------------
       
   567 //
       
   568 void CInviteUAC_SendingAck::TimerExpiredL(CUserAgent& aUserAgent,
       
   569 									      TTimerId aTimerId,
       
   570 									      TAny* aTimerParam) const
       
   571 	{
       
   572     __SIP_ASSERT_LEAVE(aTimerParam, KErrArgument);    
       
   573 
       
   574 	HandleTimerExpirationL(aUserAgent, aTimerId, aTimerParam);
       
   575 	}
       
   576 
       
   577 // -----------------------------------------------------------------------------
       
   578 // CInviteUAC_WaitTransactionToEnd::CInviteUAC_WaitTransactionToEnd
       
   579 // -----------------------------------------------------------------------------
       
   580 //
       
   581 CInviteUAC_WaitTransactionToEnd::CInviteUAC_WaitTransactionToEnd()
       
   582 	{
       
   583 	}
       
   584 
       
   585 // -----------------------------------------------------------------------------
       
   586 // CInviteUAC_WaitTransactionToEnd::~CInviteUAC_WaitTransactionToEnd
       
   587 // -----------------------------------------------------------------------------
       
   588 //
       
   589 CInviteUAC_WaitTransactionToEnd::~CInviteUAC_WaitTransactionToEnd()
       
   590 	{
       
   591 	}
       
   592 
       
   593 // -----------------------------------------------------------------------------
       
   594 // CInviteUAC_WaitTransactionToEnd::CanContinueWithoutOutgoingMsg
       
   595 // -----------------------------------------------------------------------------
       
   596 //
       
   597 TBool CInviteUAC_WaitTransactionToEnd::CanContinueWithoutOutgoingMsg(
       
   598 											TBool /*aFinalRespPassed*/) const
       
   599 	{
       
   600 	return ETrue;
       
   601 	}
       
   602 
       
   603 // -----------------------------------------------------------------------------
       
   604 // CInviteUAC_WaitTransactionToEnd::TransactionEndsL
       
   605 // -----------------------------------------------------------------------------
       
   606 //
       
   607 void CInviteUAC_WaitTransactionToEnd::TransactionEndsL(CUserAgent& aUserAgent,
       
   608 													   TInt aReason) const
       
   609 	{
       
   610 	aUserAgent.Stop(aReason);
       
   611 	}
       
   612 
       
   613 // -----------------------------------------------------------------------------
       
   614 // CInviteUAC_WaitTransactionToEnd::SendAckL
       
   615 // Upper layer can't send ACK, as a 3xx-6xx response was received.
       
   616 // -----------------------------------------------------------------------------
       
   617 //
       
   618 void CInviteUAC_WaitTransactionToEnd::SendAckL(CUserAgent& /*aUserAgent*/,
       
   619 									CSIPRequest* aAck,
       
   620 									MTransactionOwner& /*aObserver*/,
       
   621 									const TSIPTransportParams& /*aParams*/,
       
   622 									TRegistrationId /*aRegisterId*/,
       
   623 									const CURIContainer& /*aRemoteTarget*/,
       
   624 									TBool /*aDeleteRequest*/,
       
   625 									RStringF /*aBranch*/) const
       
   626 	{
       
   627     __SIP_ASSERT_LEAVE(aAck, KErrArgument);
       
   628 
       
   629 	User::Leave(KErrSIPInvalidTransactionState);
       
   630 	}
       
   631 
       
   632 // -----------------------------------------------------------------------------
       
   633 // CInviteUAC_WaitAuthentication::CInviteUAC_WaitAuthentication
       
   634 // -----------------------------------------------------------------------------
       
   635 //
       
   636 CInviteUAC_WaitAuthentication::CInviteUAC_WaitAuthentication()
       
   637 	{
       
   638 	}
       
   639 
       
   640 // -----------------------------------------------------------------------------
       
   641 // CInviteUAC_WaitAuthentication::~CInviteUAC_WaitAuthentication
       
   642 // -----------------------------------------------------------------------------
       
   643 //
       
   644 CInviteUAC_WaitAuthentication::~CInviteUAC_WaitAuthentication()
       
   645 	{
       
   646 	}
       
   647 
       
   648 // -----------------------------------------------------------------------------
       
   649 // CInviteUAC_WaitAuthentication::SetNeighbourStates
       
   650 // -----------------------------------------------------------------------------
       
   651 //
       
   652 void CInviteUAC_WaitAuthentication::SetNeighbourStates(
       
   653 							CUserAgentState& aResolveAddress,
       
   654 							CUserAgentState& aWaitResponse,
       
   655 							CUserAgentState& aWaitAckFromApp,
       
   656 							CUserAgentState& aWaitTransactionToEnd)
       
   657 	{    
       
   658 	iResolveAddress = &aResolveAddress;
       
   659 	iWaitResponse = &aWaitResponse;
       
   660 	iWaitAckFromApp = &aWaitAckFromApp;
       
   661 	iWaitTransactionToEnd = &aWaitTransactionToEnd;
       
   662 	}
       
   663 
       
   664 // -----------------------------------------------------------------------------
       
   665 // CInviteUAC_WaitAuthentication::SIPSecCacheUpdatedL
       
   666 // -----------------------------------------------------------------------------
       
   667 //
       
   668 void
       
   669 CInviteUAC_WaitAuthentication::SIPSecCacheUpdatedL(CUserAgent& aUserAgent,
       
   670 												   TBool aSuccess) const
       
   671 	{
       
   672 	CInviteUAC::Ptr(aUserAgent).SIPSecCacheUpdatedL(aSuccess,                          
       
   673 			                                        *iResolveAddress,
       
   674 			                                        *iWaitResponse,
       
   675 									 				*iWaitAckFromApp,
       
   676 									 				*iWaitTransactionToEnd);
       
   677 	}
       
   678 
       
   679 // -----------------------------------------------------------------------------
       
   680 // CInviteUAC_WaitAuthentication::TimerExpiredL
       
   681 // -----------------------------------------------------------------------------
       
   682 //
       
   683 void CInviteUAC_WaitAuthentication::TimerExpiredL(CUserAgent& aUserAgent,
       
   684 											      TTimerId aTimerId,
       
   685 											      TAny* aTimerParam) const
       
   686 	{
       
   687     __SIP_ASSERT_LEAVE(aTimerParam, KErrArgument);    
       
   688 
       
   689 	HandleTimerExpirationL(aUserAgent, aTimerId, aTimerParam);
       
   690 	}
       
   691 
       
   692 // -----------------------------------------------------------------------------
       
   693 // CInviteUAC_WaitAuthentication::TransactionEndsL
       
   694 // -----------------------------------------------------------------------------
       
   695 //
       
   696 void CInviteUAC_WaitAuthentication::TransactionEndsL(CUserAgent& aUserAgent,
       
   697 													 TInt /*aReason*/) const
       
   698 	{
       
   699     aUserAgent.RequestDeletionOfTransactionL();
       
   700     CInviteUAC::Ptr(aUserAgent).IgnoreResponseRetransmissionsL();
       
   701 	}
       
   702 
       
   703 // -----------------------------------------------------------------------------
       
   704 // CInviteUAC_WaitAuthentication::SendAckL
       
   705 // 2xx hasn't been received, so application can't send ACK.
       
   706 // -----------------------------------------------------------------------------
       
   707 //
       
   708 void CInviteUAC_WaitAuthentication::SendAckL(CUserAgent& /*aUserAgent*/,
       
   709 									CSIPRequest* aAck,
       
   710 									MTransactionOwner& /*aObserver*/,
       
   711 									const TSIPTransportParams& /*aParams*/,
       
   712 									TRegistrationId /*aRegisterId*/,
       
   713 									const CURIContainer& /*aRemoteTarget*/,
       
   714 									TBool /*aDeleteRequest*/,
       
   715 									RStringF /*aBranch*/) const
       
   716 	{
       
   717     __SIP_ASSERT_LEAVE(aAck, KErrArgument);
       
   718 
       
   719 	User::Leave(KErrSIPInvalidTransactionState);
       
   720 	}