--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommsengine/mmcesrv/mmceserver/src/mcestateserveroffering.cpp	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,298 @@
+/*
+* Copyright (c) 2005 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:  
+*
+*/
+
+
+
+
+
+#include "mcestateserveroffering.h"
+#include "mcesipsession.h"
+#include "mceactionset.h"
+#include "mcefcactionset.h"
+#include "mcefcactionset.h"
+#include "mceclientserver.h"
+#include "mcenatmacros.h"
+
+// -----------------------------------------------------------------------------
+// CMceStateServerOffering::CMceStateServerOffering
+// -----------------------------------------------------------------------------
+//
+CMceStateServerOffering::CMceStateServerOffering ()
+    : CMceState( KMceStateServerOffering )
+	{
+	}
+
+
+// -----------------------------------------------------------------------------
+// CMceStateServerOffering::~CMceStateServerOffering
+// -----------------------------------------------------------------------------
+//
+CMceStateServerOffering::~CMceStateServerOffering()
+	{
+	}
+
+
+// -----------------------------------------------------------------------------
+// CMceStateServerOffering::DoAcceptL
+// -----------------------------------------------------------------------------
+//
+TBool CMceStateServerOffering::DoAcceptL( TMceStateTransitionEvent& aEvent )
+	{
+
+    User::LeaveIfError(
+      aEvent.Code() == EMceItcEnable  ||
+      aEvent.Code() == EMceMediaUpdated ||
+      aEvent.Code() == EMceItcDisable ||
+      aEvent.Code() == EMceAck ||
+      aEvent.Code() == EMceBye ||
+       IsExtensionRequestEvent( aEvent )
+       
+        ? KErrNone : KErrTotalLossOfPrecision );
+    
+	return ETrue;
+	}
+
+// -----------------------------------------------------------------------------
+// CMceStateServerOffering::EntryL
+// -----------------------------------------------------------------------------
+//
+void CMceStateServerOffering::EntryL( TMceStateTransitionEvent& aEvent )
+    {
+    if ( IsExtensionRequestEvent( aEvent ))
+		{
+		HandleExtensionRequestEventL( aEvent );	
+		}
+	
+	else 
+		{
+		CMceSipSession& session = aEvent.Session();
+			
+	    switch ( aEvent.Code() )
+	        {
+	        case EMceBye:
+	            {
+	            EntryByeL( aEvent );
+	            break;
+	            }
+	        case EMceAck:
+	            {
+	            EntryAckL( aEvent );
+	            break;   
+	            }
+	        case EMceItcEnable:
+	        case EMceItcDisable:
+	            {
+	            session.Actions().ControlMediaL( aEvent.ParamIDs(), 
+	                                             (TMceItcFunctions)aEvent.Code() );
+	            break;
+	            }
+	        default:
+	            {
+	            break;
+	            }
+	        }
+		}
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMceStateServerOffering::EntryByeL
+// -----------------------------------------------------------------------------
+//
+void CMceStateServerOffering::EntryByeL( TMceStateTransitionEvent& aEvent )
+    {
+	CMceSipSession& session = aEvent.Session();
+	
+    //send 200OK and stop media and FC
+    session.Actions().Send200OKL( session.Request() );
+    session.Actions().StopMedia();
+    session.FCActions().ReleaseFC();
+    }
+  
+// -----------------------------------------------------------------------------
+// CMceStateServerOffering::EntryAckL 
+// -----------------------------------------------------------------------------
+//  
+void CMceStateServerOffering::EntryAckL( TMceStateTransitionEvent& aEvent )
+    {
+    CMceSipSession& session = aEvent.Session();
+    TInt status = KErrNone;
+    CMceSipSession::TSubState subState = session.SubState();
+    CSIPServerTransaction& request = session.Request();
+    CSIPServerTransaction* requestPtr = &request;
+    session.ActiveBody().AnswerType() = KMceNegotiationAnswerTypeFinal;
+
+    // if receving ACK without SDP, send error to client, 
+    // terminate the session
+    if ( (requestPtr!=NULL) && !MceSip::HasContent( request ) )
+        {
+        EntryAckWithoutSdpL( aEvent ); 
+        }
+    else
+        {
+        if ( &session.Response() )
+    		{
+    		session.Actions().CheckContactIsSecureL( session.Response() );
+    		}
+    	else
+    		{
+    		session.Actions().CheckContactIsSecureL( session.Request() );
+    		}  
+    		  
+    	NAT_WAIT_NO_EXEC( session, (status = session.Actions().CreateSDP( session.Request() )));
+    	//status = session.Actions().CreateSDP( session.Request() ); 
+    	
+    	if ( !MCE_IS_ERROR( status ) )
+        	{
+        	//update FC
+            session.FCActions().PeekFCDocumentL( *session.Offer() );
+                	
+            //decode answer, ignore warning code 
+            status = session.Actions().Decode();
+               
+            if ( !MCE_IS_ERROR( status ) )
+                {
+                status = session.Actions().UpdateL();
+                
+            	if ( !MCE_IS_ERROR( status ) )
+    		        {
+                    //check should wait EMceMediaUpdated
+                    aEvent.Code() = status == KMceReady ? 
+                                    EMceMediaUpdated : EMceAck;
+                    if ( subState == CMceSipSession::EAnswering )
+                        {
+                        // start floor control only for the initial INVITE
+                        session.FCActions().StartFCL();
+                        }
+    		        }
+    		        
+				}   
+             
+        	}
+        if ( MCE_IS_ERROR( status ) )
+            {
+        	//if re-invite
+            if ( subState == CMceSipSession::EUpdating )
+                {
+                //do rollback
+                session.Actions().StopUpdatingMedia();
+                session.Actions().UpdateFailed(); 
+                session.Actions().StateChanged( KMceStateEstablished );
+                session.Actions().ClientStateChangedL( CMceSession::EEstablished, *session.Body(), status );                               
+                }
+            //initial invite
+            else 
+                {
+                //send BYE and stop media
+                session.Actions().SendBYEL();
+                session.Actions().StopMedia();
+                session.FCActions().ReleaseFC();
+                session.Actions().StateChanged( KMceStateTerminating );
+                session.Actions().ClientStateChangedL( CMceSession::ETerminating );      
+                }
+            }   
+        if ( status == KMceAsync )
+            {
+            // set session waiting for media callback
+            aEvent.Session().SetWaitingMediaCallback( ETrue );    
+            }
+        }
+   	aEvent.ParamStatus() = status;	 
+    }
+ 
+// -----------------------------------------------------------------------------
+// CMceStateServerOffering::EntryAckWithoutSdpL
+// -----------------------------------------------------------------------------
+//   
+void CMceStateServerOffering::EntryAckWithoutSdpL( TMceStateTransitionEvent& aEvent )
+    {
+    CMceSipSession& session = aEvent.Session();
+    CSIPServerTransaction& request = session.Request();
+    CMceComSession& body = session.ActiveBody();
+    CMceComSession* bodyPtr = &body;
+     
+    if ( (bodyPtr != NULL) && body.Streams().Count() <= 0 )
+        {
+        session.Actions().StateChanged( KMceStateEstablished ); 
+        session.Actions().ClientStateChangedL( CMceSession::EEstablished,
+                                               request );	
+        }
+    else // receive pull mode, answer without SDP
+        {
+        session.Actions().StopMedia();
+        session.FCActions().ReleaseFC();
+        session.Actions().StateChanged( KMceStateTerminated ); 
+        session.Actions().SendRejectOfferWithWarningL( 
+            KMceSipWarnSessionDescriptionParameterNotUnderstood, 
+            session.Request() );     
+        }
+    }
+    
+
+// -----------------------------------------------------------------------------
+// CMceStateServerOffering::ExitL
+// -----------------------------------------------------------------------------
+//
+void CMceStateServerOffering::ExitL( TMceStateTransitionEvent& aEvent )
+	{
+	if ( IsExtensionRequestEvent( aEvent ))
+		{
+		//Do Nothing;
+		}
+		
+	else
+		{
+		CMceSipSession& session = aEvent.Session();
+	    TInt status = aEvent.ParamStatus();
+	    
+	    switch ( aEvent.Code() )
+	        {
+	        //received BYE causes server & client to terminated state
+	         case EMceBye:
+	            {
+	            session.Actions().StateChanged( KMceStateTerminated );
+	            session.Actions().ClientStateChangedL( 
+	                CMceSession::ETerminated, session.Request() );
+	            break;
+	            }      
+	        case EMceMediaUpdated:
+	            {
+	            session.Actions().StateChanged( KMceStateEstablished );  
+	            session.Actions().ClientStateChangedL( 
+	                    CMceSession::EEstablished,
+	                    session.ActiveBody(),
+	                    status );           
+	            session.Actions().UpdateSucceed();
+	            break;
+	            }
+	        case EMceItcEnable:
+	        case EMceItcDisable:
+	            {
+	            //NOP
+	            break;
+	            }
+	        default:
+	            {
+	            break;
+	            }
+	        }
+		}
+	}
+
+
+// End of File
+