realtimenetprots/sipfw/SIP/Registration/src/csipregistered.cpp
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     1 // Copyright (c) 2005-2009 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          : csipregistered.cpp
       
    15 // Part of       : SIP Registration
       
    16 // Version       : SIP/4.0 
       
    17 //
       
    18 
       
    19 
       
    20 
       
    21 #include "csipregistered.h"
       
    22 #include "csip423responsereceived.h"
       
    23 #include "SipAssert.h"
       
    24 #include "siprequest.h"
       
    25 #include "sipresponse.h"
       
    26 #include "sipminexpiresheader.h"
       
    27 #include "CSIPResponseUtility.h"
       
    28 #include "MRegistrationOwner.h"
       
    29 #include "sipstrings.h"
       
    30 #include "sipstrconsts.h"
       
    31 #include "siperr.h"
       
    32 
       
    33 // -----------------------------------------------------------------------------
       
    34 // CSIPRegistered::NewL
       
    35 // -----------------------------------------------------------------------------
       
    36 //
       
    37 CSIPRegistered* CSIPRegistered::NewL(MRegistrationContext& aRegistration)
       
    38 	{
       
    39 	CSIPRegistered* self = CSIPRegistered::NewLC(aRegistration);
       
    40 	CleanupStack::Pop(self);
       
    41 	return self;
       
    42 	}
       
    43 
       
    44 // -----------------------------------------------------------------------------
       
    45 // CSIPRegistered::NewLC
       
    46 // -----------------------------------------------------------------------------
       
    47 //	
       
    48 CSIPRegistered* CSIPRegistered::NewLC(MRegistrationContext& aRegistration)
       
    49 	{
       
    50 	CSIPRegistered* self = new (ELeave) CSIPRegistered(aRegistration);
       
    51 	CleanupStack::PushL(self);
       
    52 	return self;
       
    53 	}
       
    54 
       
    55 // -----------------------------------------------------------------------------
       
    56 // CSIPRegistered::SetNeighbourStates
       
    57 // -----------------------------------------------------------------------------
       
    58 //
       
    59 void CSIPRegistered::SetNeighbourStates(
       
    60 	CSIPRegistrationState* aUpdating,
       
    61 	CSIPRegistrationState* aUnregistering,
       
    62 	CSIPRegistrationState* aUnregistered,
       
    63 	CSIPRegistrationState* aResponse423Received)
       
    64 	{
       
    65 	__SIP_ASSERT_RETURN(aUpdating, KErrArgument);
       
    66     __SIP_ASSERT_RETURN(aUnregistering, KErrArgument);
       
    67 	__SIP_ASSERT_RETURN(aUnregistered, KErrArgument);
       
    68 	__SIP_ASSERT_RETURN(aResponse423Received, KErrArgument);
       
    69 
       
    70    	iUpdating = aUpdating;
       
    71     iUnregistering = aUnregistering;
       
    72     iUnregistered = aUnregistered;
       
    73 	iResponse423Received = aResponse423Received; 
       
    74 	}
       
    75 
       
    76 // -----------------------------------------------------------------------------
       
    77 // CSIPRegistered::~CSIPRegistered
       
    78 // -----------------------------------------------------------------------------
       
    79 //	
       
    80 CSIPRegistered::~CSIPRegistered()
       
    81 	{
       
    82 	}
       
    83 
       
    84 // -----------------------------------------------------------------------------
       
    85 // CSIPRegistered::UpdateL
       
    86 // -----------------------------------------------------------------------------
       
    87 //		
       
    88 void CSIPRegistered::UpdateL(TTransactionId& aTransactionId,
       
    89 				             CSIPRequest*    aRequest)
       
    90 	{
       
    91 	__SIP_ASSERT_LEAVE(aRequest, KErrArgument);
       
    92 
       
    93 	iRegistration.ChangeState(iUpdating);
       
    94 	iRegistration.CurrentState().UpdateL(aTransactionId, aRequest);
       
    95 	}
       
    96 
       
    97 // -----------------------------------------------------------------------------
       
    98 // CSIPRegistered::UnregisterL
       
    99 // -----------------------------------------------------------------------------
       
   100 //		
       
   101 void CSIPRegistered::UnregisterL(TTransactionId& aTransactionId,
       
   102 					             CSIPRequest*    aRequest)
       
   103 	{
       
   104 	__SIP_ASSERT_LEAVE(aRequest, KErrArgument);
       
   105 
       
   106 	iRegistration.ChangeState(iUnregistering);
       
   107 	iRegistration.CurrentState().UnregisterL(aTransactionId, aRequest);
       
   108 	}
       
   109 
       
   110 // -----------------------------------------------------------------------------
       
   111 // CSIPRegistered::ReceiveL
       
   112 //
       
   113 // this function is called when subsequent refresh response is received
       
   114 // -----------------------------------------------------------------------------
       
   115 //		
       
   116 void CSIPRegistered::ReceiveL(TTransactionId aTransactionId,
       
   117 		                      CSIPResponse*  aResponse)
       
   118 	{
       
   119 	__SIP_ASSERT_LEAVE(aResponse, KErrArgument);
       
   120 
       
   121 	if (aResponse->Type() == CSIPResponse::E2XX) // 200-299
       
   122 		{
       
   123 		if (!iRegistration.ServiceRouteOk(*aResponse))
       
   124 			{
       
   125 			iRegistration.ReceivedErrorResponseL();
       
   126 			User::LeaveIfError(
       
   127 			    PassErrorToOwner(KErrSIPTransportFailure,aTransactionId,
       
   128 			                     iRegistration.RegistrationId()));
       
   129 			delete aResponse;
       
   130 			iRegistration.SelfDetach(ETrue);
       
   131 			iRegistration.ChangeState(iUnregistered);
       
   132 			return;
       
   133 			}
       
   134 		iRegistration.SetRouteHeaderFromResponseL(*aResponse);
       
   135 		iRegistration.Received2XXResponseL(*aResponse,aTransactionId);
       
   136 		if (iRegistration.Request())
       
   137 			{
       
   138 			iRegistration.Request()->DeleteHeaders(
       
   139 				SIPStrings::StringF(SipStrConsts::ERouteHeader));
       
   140 			}
       
   141 
       
   142 		// don't forward subsequent 2xx response to owner
       
   143 	    delete aResponse; 
       
   144 		}
       
   145 	else if (aResponse->IsErrorResponse()) // 300-
       
   146 		{
       
   147         const RStringF KMinExpiresHeaderName = 
       
   148             SIPStrings::StringF(SipStrConsts::EMinExpiresHeader);		
       
   149 		
       
   150 		if (aResponse->ResponseCode() == K423Response &&
       
   151 			aResponse->HasHeader(KMinExpiresHeaderName))
       
   152 			{
       
   153 			iRegistration.Received423ResponseL(*aResponse);
       
   154 			iRegistration.ChangeState(iResponse423Received);	
       
   155 			static_cast<CSIP423ResponseReceived*>(iResponse423Received)->
       
   156 				SetUpdate(ETrue);
       
   157 			iRegistration.CurrentState().RegisterL(
       
   158 			    aTransactionId,iRegistration.Request(),NULL);
       
   159 			delete aResponse;
       
   160 			}
       
   161 		// this happens when error response received from subsequent register.
       
   162 		else
       
   163 			{
       
   164 			// ReceivedErrorResponseL, remove binding 
       
   165 			iRegistration.ReceivedErrorResponseL();
       
   166 			// pass response to owner
       
   167 			PassResponseToOwnerL(aResponse, aTransactionId, 
       
   168 				iRegistration.RegistrationId());
       
   169 			iRegistration.SelfDetach(ETrue);
       
   170 			iRegistration.ChangeState(iUnregistered);
       
   171 			}
       
   172 		}
       
   173 	else // is provisional response 100-199
       
   174 		{
       
   175 		// do not forward subsequent 1xx response to owner
       
   176 		delete aResponse; 
       
   177 		}
       
   178 	}
       
   179 
       
   180 // -----------------------------------------------------------------------------
       
   181 // CSIPRegistered::TransactionEnded
       
   182 // -----------------------------------------------------------------------------
       
   183 //		
       
   184 TInt CSIPRegistered::TransactionEnded(TTransactionId aTransactionId, 
       
   185 		                              TInt           aReason)
       
   186 	{
       
   187 	if (aReason != KErrNone)
       
   188 		{
       
   189 		iRegistration.ChangeState(iUnregistered);
       
   190 		}
       
   191 	// pass error to owner.
       
   192 	return (PassErrorToOwner(aReason, aTransactionId, 
       
   193 		iRegistration.RegistrationId()));	
       
   194 	}
       
   195 
       
   196 // -----------------------------------------------------------------------------
       
   197 // CSIPRegistered::CSIPRegistered
       
   198 // -----------------------------------------------------------------------------
       
   199 //	
       
   200 CSIPRegistered::CSIPRegistered(MRegistrationContext& aRegistration)
       
   201 	: CSIPRegistrationState (aRegistration) 
       
   202 	{
       
   203 	}