realtimenetprots/sipfw/SIP/ConnectionMgr/src/CSIPMsgAssembler.cpp
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     1 // Copyright (c) 2002-2009 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          : CSIPMsgAssembler.cpp
       
    15 // Part of       : ConnectionMgr
       
    16 // Version       : SIP/4.0 
       
    17 //
       
    18 
       
    19 
       
    20 
       
    21 
       
    22 #include "SipLogs.h"
       
    23 #include "SipAssert.h"
       
    24 #include "sipmessage.h"
       
    25 
       
    26 #include "TTCPMsgInit.h"
       
    27 #include "TTCPMsgHeaderStart.h"
       
    28 #include "TTCPMsgHeaderEnd.h"
       
    29 #include "TTCPMsgContentStart.h"
       
    30 #include "TTCPMsgContentEnd.h"
       
    31 #include "TTCPCompMsgStart.h"
       
    32 #include "TTCPCompMsgEnd.h"
       
    33 #include "TTCPMsgComplete.h"
       
    34 
       
    35 #include "CSIPMsgAssembler.h"
       
    36 #include "MSIPMsgAssemblerOwner.h"
       
    37 #include "MSigCompController.h"
       
    38 
       
    39 
       
    40 
       
    41 // -----------------------------------------------------------------------------
       
    42 // CSIPMsgAssembler::NewL
       
    43 // -----------------------------------------------------------------------------
       
    44 //
       
    45 CSIPMsgAssembler* CSIPMsgAssembler::NewL ( MSIPMsgAssemblerOwner& aMsgOwner,
       
    46 		                                   MSigCompController&    aSigComp )
       
    47 	{
       
    48 	CSIPMsgAssembler* self = CSIPMsgAssembler::NewLC(aMsgOwner, aSigComp);
       
    49 	CleanupStack::Pop();
       
    50 	return self;
       
    51 	}
       
    52 
       
    53 // -----------------------------------------------------------------------------
       
    54 // CSIPMsgAssembler::NewLC
       
    55 // -----------------------------------------------------------------------------
       
    56 //
       
    57 CSIPMsgAssembler* CSIPMsgAssembler::NewLC ( MSIPMsgAssemblerOwner& aMsgOwner,
       
    58 		                                    MSigCompController&    aSigComp )
       
    59 	{
       
    60 	CSIPMsgAssembler* self = new (ELeave) CSIPMsgAssembler(aMsgOwner, aSigComp);
       
    61 	CleanupStack::PushL(self);
       
    62 	self->ConstructL();
       
    63 	return self;
       
    64 	}
       
    65 
       
    66 // -----------------------------------------------------------------------------
       
    67 // CSIPMsgAssembler::~CSIPMsgAssembler
       
    68 // -----------------------------------------------------------------------------
       
    69 //
       
    70 CSIPMsgAssembler::~CSIPMsgAssembler ()
       
    71 	{
       
    72 	delete iMsgBuf;
       
    73 	delete iMessage;	
       
    74 	}
       
    75   
       
    76 // -----------------------------------------------------------------------------
       
    77 // CSIPMsgAssembler::CSIPMsgAssembler
       
    78 // -----------------------------------------------------------------------------
       
    79 //  
       
    80 CSIPMsgAssembler::CSIPMsgAssembler(MSIPMsgAssemblerOwner& aMsgOwner,
       
    81 		                           MSigCompController&    aSigComp)
       
    82  : iMsgOwner  ( aMsgOwner ),
       
    83    iSigComp   ( aSigComp ),
       
    84    iStates    ( EMsgMaxStates ),
       
    85    iStateValue( MMsgAssemblerContext::EMsgInit ),
       
    86    iIsSigComp ( EFalse ),
       
    87    iUnConsumedBytes( 0 )
       
    88 	{
       
    89 	}
       
    90 
       
    91 // -----------------------------------------------------------------------------
       
    92 // CSIPMsgAssembler::ConstructL
       
    93 // -----------------------------------------------------------------------------
       
    94 //
       
    95 void CSIPMsgAssembler::ConstructL ()
       
    96 	{
       
    97 	iMsgBuf = CBufFlat::NewL(100);
       
    98 		
       
    99 	iStates.AppendL( TTCPMsgInit( *this ),
       
   100 					 sizeof( TTCPMsgInit ) );
       
   101 	iStates.AppendL( TTCPMsgHeaderStart( *this ),
       
   102 					 sizeof( TTCPMsgHeaderStart ) );
       
   103 	iStates.AppendL( TTCPMsgHeaderEnd( *this ),
       
   104 					 sizeof( TTCPMsgHeaderEnd ) );
       
   105 	iStates.AppendL( TTCPMsgContentStart( *this ),
       
   106 					 sizeof( TTCPMsgContentStart ) );
       
   107 	iStates.AppendL( TTCPMsgContentEnd( *this ),
       
   108 					 sizeof( TTCPMsgContentEnd ) );
       
   109 	iStates.AppendL( TTCPCompMsgStart( *this ),
       
   110 					 sizeof( TTCPCompMsgStart ) );
       
   111 	iStates.AppendL( TTCPCompMsgEnd( *this ),
       
   112 					 sizeof( TTCPCompMsgEnd ) );
       
   113 	iStates.AppendL( TTCPMsgComplete( *this ),
       
   114 					 sizeof( TTCPMsgComplete ) );
       
   115 	}
       
   116 
       
   117 // -----------------------------------------------------------------------------
       
   118 // CSIPMsgAssembler::InputL
       
   119 // -----------------------------------------------------------------------------
       
   120 //
       
   121 void CSIPMsgAssembler::InputL ( HBufC8* aData, TUint& aNextLength )
       
   122 	{
       
   123 	__ASSERT_DEBUG(aData != 0,
       
   124 		User::Panic(_L("CSIPMsgAssembler::InputL, aData == 0"),
       
   125 		KErrArgument));
       
   126 
       
   127 	__ASSERT_DEBUG(aData->Length() != 0,
       
   128 		User::Panic(_L("CSIPMsgAssembler::InputL, aData->Length() == 0"),
       
   129 		KErrArgument));
       
   130 
       
   131 	
       
   132 	aNextLength = CSIPMsgAssembler::EMsgBufferSize;
       
   133 	
       
   134 	TCleanupItem cleanupItem( ResetState, this );
       
   135 	CleanupStack::PushL( cleanupItem );
       
   136 
       
   137     TPtr8 dataPtr = aData->Des();
       
   138 	CurrentState().DataReceivedL( dataPtr, aNextLength );
       
   139 	
       
   140 	CleanupStack::Pop(); // cleanupItem
       
   141 	
       
   142 	delete aData;
       
   143 	}
       
   144 
       
   145 // -----------------------------------------------------------------------------
       
   146 // CSIPMsgAssembler::MsgOwner
       
   147 // -----------------------------------------------------------------------------
       
   148 //
       
   149 MSIPMsgAssemblerOwner& CSIPMsgAssembler::MsgOwner()
       
   150 	{
       
   151 	return iMsgOwner;
       
   152 	}
       
   153 	
       
   154 // -----------------------------------------------------------------------------
       
   155 // CSIPMsgAssembler::SigComp
       
   156 // -----------------------------------------------------------------------------
       
   157 //	
       
   158 MSigCompController& CSIPMsgAssembler::SigComp()
       
   159 	{
       
   160 	return iSigComp;
       
   161 	}
       
   162 
       
   163 // -----------------------------------------------------------------------------
       
   164 // CSIPMsgAssembler::MsgBuffer
       
   165 // -----------------------------------------------------------------------------
       
   166 //		
       
   167 CBufFlat& CSIPMsgAssembler::MsgBuffer()
       
   168 	{
       
   169 	return *iMsgBuf;
       
   170 	}
       
   171 
       
   172 // -----------------------------------------------------------------------------
       
   173 // CSIPMsgAssembler::Message
       
   174 // -----------------------------------------------------------------------------
       
   175 //	
       
   176 CSIPMessage* CSIPMsgAssembler::Message() 
       
   177 	{
       
   178 	return iMessage;
       
   179 	}
       
   180 
       
   181 // -----------------------------------------------------------------------------
       
   182 // CSIPMsgAssembler::SetMessage
       
   183 // -----------------------------------------------------------------------------
       
   184 //	
       
   185 void CSIPMsgAssembler::SetMessage( CSIPMessage* aMessage )
       
   186 	{
       
   187 	delete iMessage;
       
   188 	iMessage = aMessage;
       
   189 	}
       
   190   
       
   191 // -----------------------------------------------------------------------------
       
   192 // CSIPMsgAssembler::DetachMsg
       
   193 // -----------------------------------------------------------------------------
       
   194 //      
       
   195 void CSIPMsgAssembler::DetachMsg()
       
   196 	{
       
   197 	iMessage = NULL;
       
   198 	}
       
   199 
       
   200 // -----------------------------------------------------------------------------
       
   201 // CSIPMsgAssembler::ChangeState
       
   202 // -----------------------------------------------------------------------------
       
   203 //   	
       
   204 void CSIPMsgAssembler::ChangeState( 
       
   205 	MMsgAssemblerContext::TTCPMsgStateValue aStateValue )
       
   206 	{
       
   207 	iStateValue = aStateValue;
       
   208 	}
       
   209      
       
   210 // -----------------------------------------------------------------------------
       
   211 // CSIPMsgAssembler::CurrentState
       
   212 // -----------------------------------------------------------------------------
       
   213 //    
       
   214 TTCPMsgState& CSIPMsgAssembler::CurrentState()
       
   215 	{
       
   216 	return const_cast< TTCPMsgState& >( iStates.At( iStateValue ) );
       
   217 	}
       
   218 
       
   219 // -----------------------------------------------------------------------------
       
   220 // CSIPMsgAssembler::SetIsSigComp
       
   221 // -----------------------------------------------------------------------------
       
   222 // 	
       
   223 void CSIPMsgAssembler::SetIsSigComp( TBool aIsSigComp )
       
   224     {
       
   225     iIsSigComp = aIsSigComp;
       
   226     }
       
   227 
       
   228 // -----------------------------------------------------------------------------
       
   229 // CSIPMsgAssembler::IsSigComp
       
   230 // -----------------------------------------------------------------------------
       
   231 //     
       
   232 TBool CSIPMsgAssembler::IsSigComp() const
       
   233     {
       
   234     return iIsSigComp;
       
   235     }
       
   236 
       
   237 // -----------------------------------------------------------------------------
       
   238 // CSIPMsgAssembler::SetUnConsumedBytes
       
   239 // -----------------------------------------------------------------------------
       
   240 //     
       
   241 void CSIPMsgAssembler::SetUnConsumedBytes( TInt aUnConsumedBytes )
       
   242     {
       
   243     iUnConsumedBytes = aUnConsumedBytes;
       
   244     }
       
   245 
       
   246 // -----------------------------------------------------------------------------
       
   247 // CSIPMsgAssembler::UnConsumedBytes
       
   248 // -----------------------------------------------------------------------------
       
   249 //     
       
   250 TInt CSIPMsgAssembler::UnConsumedBytes() const
       
   251     {
       
   252     return iUnConsumedBytes;
       
   253     }
       
   254 	
       
   255 // -----------------------------------------------------------------------------
       
   256 // CSIPMsgAssembler::ResetState
       
   257 // -----------------------------------------------------------------------------
       
   258 //
       
   259 void CSIPMsgAssembler::ResetState ( TAny* aMsgAssembler )
       
   260 	{
       
   261 	__SIP_ASSERT_RETURN( aMsgAssembler, KErrGeneral );
       
   262 
       
   263 	CSIPMsgAssembler* msgAssembler = 
       
   264 		reinterpret_cast<CSIPMsgAssembler*>( aMsgAssembler );
       
   265 
       
   266 	msgAssembler->ChangeState( MMsgAssemblerContext::EMsgInit );	
       
   267 	}