--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Msrp/MsrpServer/inc/MMSRPConnection.h	Sat Jun 12 14:30:11 2010 +0530
@@ -0,0 +1,143 @@
+/*
+* Copyright (c) 2009-2010 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:
+* MSRP Implementation
+*
+*/
+
+#ifndef MMMSRPCONNECTION_H
+#define MMMSRPCONNECTION_H
+
+// INCLUDES
+#include <e32base.h>
+#include <in_sock.h>
+#include "MMSRPConnectionManager.h"
+#include "MMSRPConnectionObserver.h"
+#include "MMSRPWriterObserver.h"
+
+// FORWARD DECLARATIONS
+class MMSRPConnectionObserver;
+class MMSRPWriterObserver;
+class MMSRPConnectionManager;
+
+// CLASS DECLARATIONS
+
+
+
+class MMSRPConnection
+    {
+public:
+    //move to CMSRPConn
+    enum TMSRPConnectionState
+        {
+        EError = -1,
+        ENotConnected = 0,
+        EConnecting,        
+        EListening,
+        //EListenConnected,
+        EConnected,
+        EListenTimedOut,
+        EConnectTimedOut,
+        EDisconnecting, //cancel issued on connecting socket
+        EDisconnected//EConnectCancelling/ed
+        //EListenConnected (as opposed to connect connected)//validation to be taken care by session 
+        //EListenValidated (received bodiless msg) //per session basis, hence these 2 states not needed 
+        };
+//
+    inline virtual ~MMSRPConnection(){}
+    
+    /**
+    * Connect to remote address
+    */   
+    virtual TInt ConnectL(MMSRPConnectionObserver& aSubsession) = 0;
+    
+    /**
+    * Listen to remote address
+    * add observer and start listener, if not started
+    * if new conn object i.e. single observer conn then 
+    * update listen count
+    */   
+    virtual TInt ListenL(MMSRPConnectionObserver& aSubsession) = 0;
+
+
+	virtual TInt getConnectionState()=0;
+
+    
+    /**
+    * Cancel the connect request if pending, else disconnect subsession
+    */   
+    //virtual void ConnectCancel(MMSRPConnectionObserver& aSubsession) = 0; //state == not connected means error
+                                      //connecting : issue cancel connect on socket if only subsession pending
+                                       //if connected: disconnect if only subsession pending
+                                      //else listening, panic client
+    /**
+     * Cancel the listen request if pending, else disconnect subsession
+     */     
+    //virtual void ListenCancel(MMSRPConnectionObserver& aSubsession) = 0;
+    
+    /**
+     * The particular subsession wishes to cease using the connection/ disconnect
+     */     
+    virtual void ReleaseConnection(MMSRPConnectionObserver& aSubsession) = 0;
+                
+    
+    /**
+    * Sends the buffer content
+    * the observer cud be implemented by msg or subsession
+    * connection observer deemed unnecessary in send call
+    */
+    virtual void SendL( MMSRPWriterObserver& aMsg ) = 0;
+            
+    
+    /**
+     * use case unknown : connection failure detected, parse error on the connection
+     * Send failed , goes directly to subsession.
+     * In that scenario, subession could ask mngr to close connection itself as part of error recovery
+     */    
+    /**
+     * mngr/server decides to close all subsessions on connection      
+     */     
+    //virtual void CloseConnection() = 0;
+    
+    
+    /*move to CMSrpConn*/
+    virtual TBool CheckConnection(TInetAddr& aRemoteAddr, TBool aOnlyListen) = 0;
+    
+    /**
+     * connection observer is available with every request
+     * NewL used to get a reference to connection mgr, 
+     * call delete connection entry in conn mngr on disconnect
+     */
+    //virtual MMSRPConnection* NewL( TInetAddr& aRemoteAddr, MMSRPConnectionManager& aConnMngr) = 0;
+    
+    /**
+     * called on listen complete by connection manager
+     */
+    virtual void ConnectionEstablishedL( TInt aNewState, RSocket* aSocket, TInt aStatus ) = 0;
+    
+    
+    /**
+    * Cancel the send     
+    */
+    //Send called on subsession with message
+    //Send cancel should be called on message (subsession with message id)
+    //msg state modified to cancel next fetch of message by writer
+    //but if the writer is sending same msg currently and send abort is issued then socket will need to be
+    //shutdown with stopoutput and then restarted
+    //Things cud get complicated , support not really necessary
+    //virtual void SendCancel( MMSRPConnectionObserver& aSubsession, MsgPTr, TDesC8& aBuf ) = 0;
+        
+    };
+
+#endif // MMMSRPCONNECTION_H
+
+// End of file