diff -r 000000000000 -r 307788aac0a8 realtimenetprots/sipfw/SIP/sipapi/src/sipclienttransaction.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SIP/sipapi/src/sipclienttransaction.cpp	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,192 @@
+// 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:
+// Name          : SIPClientTransaction.cpp
+// Part of       : SIPAPI
+// Version       : SIP/5.0
+//
+
+
+
+#include "sip.h"
+#include "siperr.h"
+#include "SipAssert.h"
+#include "SipDialogImplementation.h"
+#include "sipclienttransaction.h"
+#include "SipConnectionImplementation.h"
+#include "siprefresh.h"
+#include "sipstrings.h"
+#include "sipstrconsts.h"
+
+#ifdef CPPUNIT_TEST
+
+#include "TestCleanupStack.h"
+
+#undef EXPORT_C
+#define EXPORT_C
+
+#endif
+
+
+// -----------------------------------------------------------------------------
+// CSIPClientTransaction::NewL
+// -----------------------------------------------------------------------------
+//
+CSIPClientTransaction*
+CSIPClientTransaction::NewL(RStringF aType,
+                            MTransactionAssociation& aAssociation,
+                            CSIPRefresh* aRefresh)
+    {
+    CSIPClientTransaction* self = CSIPClientTransaction::NewLC(aType,
+                                                               aAssociation,
+                                                               aRefresh);
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPClientTransaction::NewLC
+// For INVITE client transaction, CSIPInviteClientTransaction must be used.
+// -----------------------------------------------------------------------------
+//
+CSIPClientTransaction*
+CSIPClientTransaction::NewLC(RStringF aType,
+                             MTransactionAssociation& aAssociation,
+                             CSIPRefresh* aRefresh)
+    {
+    __ASSERT_ALWAYS(aType != SIPStrings::StringF(SipStrConsts::EInvite),
+                    User::Leave(KErrArgument));
+
+    CSIPClientTransaction* self =
+        new (ELeave) CSIPClientTransaction(aAssociation, aRefresh);
+    CleanupStack::PushL(self);
+    self->CSIPTransactionBase::ConstructL(aType);
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPClientTransaction::CSIPClientTransaction
+// RequestId is not yet known.
+// -----------------------------------------------------------------------------
+//
+CSIPClientTransaction::CSIPClientTransaction(
+	MTransactionAssociation& aAssociation,
+	CSIPRefresh* aRefresh) :
+    CSIPTransactionBase(ETrue, 0, aAssociation),
+    iRefresh(aRefresh)
+    {
+    if (iRefresh)
+        {
+        iRefresh->AddTransaction(*this);
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPClientTransaction::~CSIPClientTransaction
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CSIPClientTransaction::~CSIPClientTransaction()
+    {
+    if (iRefresh)
+        {
+        iRefresh->RemoveTransaction();
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPClientTransaction::ResponseElements
+// -----------------------------------------------------------------------------
+//
+EXPORT_C const CSIPResponseElements*
+CSIPClientTransaction::ResponseElements() const
+    {
+    return CSIPTransactionBase::ResponseElements();
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPClientTransaction::CancelL
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CSIPClientTransaction* CSIPClientTransaction::CancelL()
+    {
+    __ASSERT_ALWAYS(CancelAllowed(),
+        User::Leave(KErrSIPInvalidTransactionState));
+    __ASSERT_ALWAYS(StateL() == CSIPTransactionBase::EProceeding,
+        User::Leave(KErrSIPInvalidTransactionState));
+
+    CheckAssociationL();
+    CSIPDialogImplementation* dialog = iAssociation->SIPConnectionL().
+    	Implementation().FindDialogByRequestId(iRequestId);
+
+    if (!dialog)
+        {
+        User::Leave(KErrSIPInvalidTransactionState);
+        }
+
+    //Don't pass iAssociation to SendCancelL as user may have deleted the dialog
+    //association used by this transaction. In that case iAssociation is NULL.
+    //Dialog searches the dialog association with requestId. If it can't find
+    //it, something is wrong and CANCEL can't be sent.
+    return dialog->SendCancelL(iRequestId);
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPClientTransaction::Refresh
+// -----------------------------------------------------------------------------
+//
+EXPORT_C const CSIPRefresh* CSIPClientTransaction::Refresh() const
+    {
+    return iRefresh;
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPClientTransaction::CancelAllowed
+// Only INVITE client transaction can be canceled
+// -----------------------------------------------------------------------------
+//
+EXPORT_C TBool CSIPClientTransaction::CancelAllowed() const
+    {
+    return EFalse;
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPClientTransaction::SetRequestId
+// -----------------------------------------------------------------------------
+//
+void CSIPClientTransaction::SetRequestId(TUint32 aRequestId)
+	{
+	__SIP_ASSERT_RETURN(!iRequestId, KErrAlreadyExists);
+	__SIP_ASSERT_RETURN(aRequestId, KErrArgument);
+	
+	iRequestId = aRequestId;
+	}
+
+// -----------------------------------------------------------------------------
+// CSIPClientTransaction::Refresh
+// -----------------------------------------------------------------------------
+//
+CSIPRefresh* CSIPClientTransaction::Refresh()
+    {
+    return iRefresh;
+    }
+
+// -----------------------------------------------------------------------------
+// CSIPClientTransaction::RemoveRefresh
+// -----------------------------------------------------------------------------
+//
+void CSIPClientTransaction::RemoveRefresh()
+    {
+    __SIP_ASSERT_RETURN(iRefresh, KErrNotFound);
+
+    iRefresh = NULL;
+    }