--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sipproviderplugins/sipprovider/sipstatemachine/src/StateSessionInitiation.cpp	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,382 @@
+// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// CStateSessionInitiation implementation file.
+// 
+//
+
+/**
+ @file
+ @internalComponent
+*/
+ 
+#include <e32std.h>
+#include <e32base.h>
+
+#include "StateSessionInitiation.h"
+
+CStateSessionInitiation * CStateSessionInitiation::NewL( CSipStateMachine * aStateMachine )
+/**
+Instantiaion static function
+*/
+	{
+	return new(ELeave) CStateSessionInitiation (aStateMachine);
+	}
+
+CStateSessionInitiation::CStateSessionInitiation ( CSipStateMachine * aStateMachine ) :
+CSipStateBase ( aStateMachine, TSipHLConsts::EStateSessionInitiation )
+/**
+Constuctor
+*/
+	{
+	// Open Logs
+	__FLOG_OPEN(_L8("SipStateMachine"), _L8("StateSessionInitiation"));
+	__FLOG_1(_L("[StateSessionInitiation]:[%x]::CStateSessionInitiation() "), this);
+	}
+
+CStateSessionInitiation::~CStateSessionInitiation ()
+/**
+Destructor
+*/	
+	{
+	// Close Logging
+	__FLOG_0(_L("[StateSessionInitiation]: CStateSessionInitiation::~CStateSessionInitiation()"));
+	__FLOG_CLOSE;
+	}
+
+CSipStateBase * CStateSessionInitiation::ProcessClientL( TRequestStatus & aStatus )
+/**
+Function which process the request and responses from the client
+*/
+	{
+	__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessClientL()"), this);
+	switch(iClientRequest)
+		{
+		case TSipHLConsts::ERequestBye:
+		case TSipHLConsts::ERequestCancel:
+			{
+			__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessClientL() <<REQUEST BYE/ REQUEST CANCEL>>"), this);
+			TRAPD(err,iSipSM->SendCancelL());
+			if(err != KErrNone)
+				{
+				iSipSM->SetSIPStimulus(TSipHLConsts::EClientStimulus);
+				iSipSM->SetGeneralError(err);
+				iNext = iSipSM->GetNextState(TSipHLConsts::EStateSessionTerminated);
+				}
+			else
+				{
+				iSipSM->SetSuspendRequest(ETrue);
+				iNext = this;
+				iNext->ResetRequestResponse();		
+				}
+			}
+			break;
+		default:
+			{
+			__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessClientL() <<REQUEST DEFAULT>>"), this);
+			if(iReqIdentifier == 1)
+				{
+				iSipSM->SetSuspendRequest(ETrue);	
+				iNext = this;					
+				}
+				
+			}
+		}
+	// Handle Response from client
+	switch(iClientResponse)
+		{
+		case  TSipHLConsts::EResponseInvite:
+			{
+			__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessClientL() <<RESPONSE INVITE>>"), this);
+			TRAPD(err,iSipSM->GenerateInviteResponseL(iSipSM->GetCommandContext().iServerTx, TSipHLConsts::EResponse200OK));
+			if(err != KErrNone)
+				{
+				iSipSM->SetSIPStimulus(TSipHLConsts::EClientStimulus);
+				iSipSM->SetGeneralError(err);
+				iNext = iSipSM->GetNextState(TSipHLConsts::EStateSessionTerminated);
+				}
+			else
+				{
+				// expecting an ACK
+				iSipSM->SetSuspendRequest(ETrue);
+				iNext = this;
+				iNext->ResetRequestResponse();	
+				}
+			}
+			break;
+		case TSipHLConsts::EResponseInviteReject:
+			{
+			__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessClientL() <<RESPONSE INVITE REJECT>>"), this);
+			TRAPD(err,iSipSM->GenerateInviteResponseL(iSipSM->GetCommandContext().iServerTx, TSipHLConsts::EResponseReject));
+			if(err != KErrNone)
+				{
+				iSipSM->SetSIPStimulus(TSipHLConsts::EClientStimulus);
+				iSipSM->SetGeneralError(err);
+				iNext = iSipSM->GetNextState(TSipHLConsts::EStateSessionTerminated);
+				}
+			else
+				{
+				iSipSM->SetSIPStimulus(TSipHLConsts::EClientStimulus);
+				iNext = iSipSM->GetNextState(TSipHLConsts::EStateSessionTerminated);
+				iNext->ResetRequestResponse();
+				}
+			}
+			break;
+		default:
+			{
+			__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessClientL() <<RESPONSE DEFAULT>>"), this);
+			if(iReqIdentifier == 3)
+				{
+				iSipSM->SetSuspendRequest(ETrue);
+				iNext = this;
+				}	
+			}
+		}
+	TRequestStatus * stat = &aStatus;		
+	User::RequestComplete(stat, KErrNone);
+#ifdef __FLOG_ACTIVE	
+	// This indormation is required only when logging is enabled
+	TSipHLConsts::SIP_STATES	iD = (iNext != NULL)?iNext->GetStateId() : TSipHLConsts::EStateNone;
+	if(iD == TSipHLConsts::EStateNone)
+		{
+		__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessClientL() <<Next State --> NULL>> "), this);
+		}
+	if(iD == TSipHLConsts::EStateSessionIdle)
+		{
+		__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessClientL() <<Next State --> StateIdle>> "), this);
+		}
+	else if(iD == TSipHLConsts::EStateSessionInitiation)
+		{
+		__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessClientL() <<Next State --> StateSessionInitiation>> "), this);
+		}
+	else if(iD == TSipHLConsts::EStateSessionEstablished)
+		{
+		__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessClientL() <<Next State --> StateSessionEstablished>> "), this);
+		}
+	else if(iD == TSipHLConsts::EStateSessionTerminated)
+		{
+		__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessClientL() <<Next State --> StateSessionTerminated>> "), this);	
+		}
+	else
+		{
+		__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessClientL() <<Next State --> Unknown, its a serious error>> "), this);		
+		}
+#endif	
+	return iNext;	
+	}
+
+CSipStateBase * CStateSessionInitiation::ProcessServerL( TRequestStatus & aStatus )
+/**
+Function which process the request and responses from the Server
+*/
+	{
+	__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessServerL()"), this);
+	TSipMsgBundle SipMsgBundle = iSipSM->GetSipMessageBundle();
+	// Handle Response from Server
+	switch (iServerResponse)
+		{
+		case TSipHLConsts::EResponseInvite:
+			{
+			__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessServerL() <<RESPONSE INVITE>>"), this);
+			iSipSM->SetOutgoingStatus(EFalse);
+			if(SipMsgBundle.iStatusCode == 200)
+				{
+				__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessServerL() <<200 OK>>"), this);
+				iNext = iSipSM->GetNextState(TSipHLConsts::EStateSessionEstablished);
+				iNext->ResetRequestResponse();
+				iSipSM->SetSIPStimulus(TSipHLConsts::EClientStimulus);
+				iNext->SetClientRequest(TSipHLConsts::ERequestAck);
+				}
+			else if(SipMsgBundle.iStatusCode == 487)
+				{
+				__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessServerL() <<487 Request Terminated>>"), this);
+				iSipSM->SetSIPError(SipMsgBundle.iStatusCode);
+				iSipSM->SetSIPStimulus(TSipHLConsts::EClientStimulus);
+				iNext = iSipSM->GetNextState(TSipHLConsts::EStateSessionTerminated);
+				iNext->ResetRequestResponse();
+				}
+			else
+				{
+				__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessServerL() <<Error neither 200 nor 487>>"), this);
+				iSipSM->SetSIPError(SipMsgBundle.iStatusCode);
+				iNext = iSipSM->GetNextState(TSipHLConsts::EStateSessionTerminated);
+				}
+			}
+			break;
+		case TSipHLConsts::EResponseCancel:
+			{
+			__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessServerL() <<RESPONSE CANCEL>>"), this);
+			if(SipMsgBundle.iStatusCode == 200)
+				{
+				__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessServerL() <<200 OK>>"), this);
+				iSipSM->SetSuspendRequest(ETrue);
+				iNext = this;
+				}
+			else
+				{
+				__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessServerL() <<Not 200 OK for cancel>>"), this);
+				iSipSM->SetSIPError(SipMsgBundle.iStatusCode);
+				iNext = iSipSM->GetNextState(TSipHLConsts::EStateSessionTerminated);
+				}
+			}
+			break;
+		default:
+			{
+			__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessServerL() <<RESPONSE DEFAULT>>"), this);
+			if(iReqIdentifier == 4)
+				{
+				iSipSM->SetSuspendRequest(ETrue);
+				iNext = this;
+				}
+			}
+		}
+	// Handle request from server		
+	switch(iServerRequest)
+		{
+		case TSipHLConsts::ERequestCancel:
+			{
+			__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessServerL() <<REQUEST CANCEL>>"), this);
+			iSipSM->GetCommandContext().iAckCancel = ETrue;
+			// This is not seems to be correct , but stack is not observing
+			// standard behavior
+			iSipSM->SetSIPStimulus(TSipHLConsts::EClientStimulus);
+			iNext = iSipSM->GetNextState(TSipHLConsts::EStateSessionTerminated);
+			iNext->ResetRequestResponse();	
+			}
+			break;
+		case TSipHLConsts::ERequestBye:
+			{
+			__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessServerL() <<REQUEST BYE>>"), this);
+			TRAPD(err,iSipSM->SendByeResponseL());
+			if(err != KErrNone)
+				{
+				iSipSM->SetGeneralError(err);
+				}
+			iSipSM->SetSIPStimulus(TSipHLConsts::EClientStimulus);
+			iNext = iSipSM->GetNextState(TSipHLConsts::EStateSessionTerminated);
+			iNext->ResetRequestResponse();	
+			}
+			break;
+		case TSipHLConsts::ERequestAck:
+			{
+			__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessServerL() <<REQUEST ACK>>"), this);
+			if(iSipSM->GetCommandContext().iAckCancel)
+				{
+				iNext = iSipSM->GetNextState(TSipHLConsts::EStateSessionTerminated);
+				}
+			else
+				{
+				iSipSM->CallEstablishedCallback();
+				iNext = iSipSM->GetNextState(TSipHLConsts::EStateSessionEstablished);
+				iNext->ResetRequestResponse();
+				iSipSM->SetSuspendRequest(ETrue);
+				}
+			}
+			break;
+		default:
+			{
+			__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessServerL() <<REQUEST DEFAULT>>"), this);
+			if(iReqIdentifier == 2)
+				{
+				iSipSM->SetSuspendRequest(ETrue);
+				iNext = this;				
+				}
+			}
+		}
+	TRequestStatus * stat = &aStatus;		
+	User::RequestComplete(stat , KErrNone);
+#ifdef __FLOG_ACTIVE	
+	// This indormation is required only when logging is enabled
+	TSipHLConsts::SIP_STATES	iD = (iNext != NULL)?iNext->GetStateId() : TSipHLConsts::EStateNone;
+	if(iD == KErrNotFound)
+		{
+		__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessServerL() <<Next State --> NULL>> "), this);
+		}
+	if(iD == TSipHLConsts::EStateSessionIdle)
+		{
+		__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessServerL() <<Next State --> StateIdle>> "), this);
+		}
+	else if(iD == TSipHLConsts::EStateSessionInitiation)
+		{
+		__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessServerL() <<Next State --> StateSessionInitiation>> "), this);
+		}
+	else if(iD == TSipHLConsts::EStateSessionEstablished)
+		{
+		__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessServerL() <<Next State --> StateSessionEstablished>> "), this);
+		}
+	else if(iD == TSipHLConsts::EStateSessionTerminated)
+		{
+		__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessServerL() <<Next State --> StateSessionTerminated>> "), this);	
+		}
+	else
+		{
+		__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessServerL() <<Next State --> Unknown, its a serious error>> "), this);		
+		}
+#endif	
+	return iNext;	
+	}
+
+CSipStateBase * CStateSessionInitiation::ProcessServerErrorL(TRequestStatus & aStatus)
+/**
+Handles the Error condition for this state from the serevr
+*/
+	{
+	__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessServerErrorL()"), this);
+	TSipMsgBundle SipMsgBundle = iSipSM->GetSipMessageBundle();
+	// Call the call back to Notify the client
+	iSipSM->SetGeneralError(SipMsgBundle.iErrCode);
+	iSipSM->SetSIPError(SipMsgBundle.iStatusCode);
+	iSipSM->CallTerminateCallback();
+	iSipSM->SetCallTerminateCallBack(EFalse);
+	// Get to The terminated state
+	iNext = iSipSM->GetNextState(TSipHLConsts::EStateSessionTerminated);
+	iSipSM->SetSIPStimulus(TSipHLConsts::EClientStimulus);
+	if(iNext)
+	{
+	    iNext->ResetRequestResponse();
+	}
+	TRequestStatus * stat = &aStatus;		
+	User::RequestComplete(stat, KErrNone);
+#ifdef __FLOG_ACTIVE	
+	// This indormation is required only when logging is enabled
+	TSipHLConsts::SIP_STATES	iD = (iNext != NULL)?iNext->GetStateId() : TSipHLConsts::EStateNone;
+	if(iD == KErrNotFound)
+		{
+		__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessServerErrorL() <<Next State --> NULL>> "), this);
+		}
+	if(iD == TSipHLConsts::EStateSessionIdle)
+		{
+		__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessServerErrorL() <<Next State --> StateIdle>> "), this);
+		}
+	else if(iD == TSipHLConsts::EStateSessionInitiation)
+		{
+		__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessServerErrorL() <<Next State --> StateSessionInitiation>> "), this);
+		}
+	else if(iD == TSipHLConsts::EStateSessionEstablished)
+		{
+		__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessServerErrorL() <<Next State --> StateSessionEstablished>> "), this);
+		}
+	else if(iD == TSipHLConsts::EStateSessionTerminated)
+		{
+		__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessServerErrorL() <<Next State --> StateSessionTerminated>> "), this);	
+		}
+	else
+		{
+		__FLOG_1(_L("[StateSessionInitiation]:CStateSessionInitiation[%x]::ProcessServerErrorL() <<Next State --> Unknown, its a serious error>> "), this);		
+		}
+#endif	
+	return iNext;
+	}
+
+
+