diff -r 000000000000 -r 61fad867f68e imservices/instantmessagingcache/imcacheserver/inc/cimcachesession.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imservices/instantmessagingcache/imcacheserver/inc/cimcachesession.h	Wed Nov 03 09:32:20 2010 +0530
@@ -0,0 +1,249 @@
+/*
+* Copyright (c) 2008 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:  cache session class declaration
+*
+*/
+
+#ifndef __CIMCACHESESSION_H__
+#define __CIMCACHESESSION_H__
+
+#include <e32base.h>
+#include <s32mem.h>
+#include <imcachedefs.h>
+
+// FARWORD DECLARATION
+class CIMCacheServer;
+class CCacheServerActiveHelper;
+class MIMCacheMessageHeader ;
+class CIMCacheMessageBase;
+class CIMCacheBufferArray;
+
+/**
+ * Service side session.
+ */
+ class CIMCacheSession : public CSession2
+    {
+    
+      
+    public:     
+    
+    	/**
+        * NewL.
+        * Constructors
+        */
+        static CIMCacheSession* NewL();
+        /**
+        * ~CIMCacheSession
+        * destructors
+        */
+        virtual ~CIMCacheSession();
+
+
+    protected:  // C++ constructors
+    	/**
+        * C++ default constructor.
+        */
+        CIMCacheSession();
+
+        /**
+        * Symbian OS constructor
+        */
+		void ConstructL();
+
+    public:     // Methods derived from CSession2
+    	/**
+    	* From CSession2
+    	*/
+        void CreateL();
+    	/**
+    	* From CSession2
+    	*/
+        void ServiceL( const RMessage2 &aMessage );
+    	/**
+    	* From CSession2
+    	*/
+        void ServiceError( const RMessage2& aMessage,
+                           TInt aError );
+		
+   
+
+	public: // New methods
+		
+        /**
+        * Server , 
+        * @return server reference
+        */
+        CIMCacheServer* Server() 
+	        { 
+	        return (CIMCacheServer*) CSession2::Server(); 
+	        }
+
+		/**
+         * pack and notify msg notification  
+         * @param aChangeType , notification type
+         * @param aMsgHeader, chat header 
+         * @param aMessage , a message
+         * @param aServiceId ,service id
+         */	
+        void PackAndNotifyEventL( TIMCacheOperationsCode aChangeType ,
+								  MIMCacheMessageHeader* aMsgHeader = NULL , 
+								  CIMCacheMessageBase* aMessage = NULL );
+       
+        /*
+         * return the service Id of session
+         */
+        TInt ServiceId() const ;
+        
+     private:    // New methods
+
+		
+        /**
+		*  Dispatch clients message
+	    *  @since
+		*  @param aMessage client's message
+        */
+        TBool DispatchMessageL( const RMessage2 &aMessage );
+
+
+		/**
+		* Initializes the server
+		* @param aMessage client's message
+		*/
+        void InitSessionL( const RMessage2& aMessage );
+        
+    
+        
+        /**
+		* reset all conversation, start flag to EFalse
+		*/
+        void ResetHeaderInoformation();
+        
+      
+		/**
+		* Externalizes all chat data
+		* @param aArray, array of buffered headers..
+		* @param aSize total size of buffered messages.
+		* @param aMore , still data is pending to be send
+		*/
+		void ExternalizeBufferedDataL(TIMCacheOperationsCode aOperationCode,
+									  RPointerArray<HBufC8>& aArray , 
+									  TInt aTotalSize , 
+									  TBool aMore = EFalse );
+	
+		/**
+		* Externalizes chat headers
+		* @param aChangeType, event type
+		* @param aMsgHeader, chat header
+		* @param aMessage , chat message
+		* @param aServiceId , serviceid
+		*/
+		void ExternalizeChatItemL( TIMCacheOperationsCode aChangeType ,
+								   TInt aServiceId = KErrNotFound );
+		
+		/**
+		* Externalizes all  chat header messages.
+		* @param aChangeType, event type
+		* @param aMsgHeader, chat header
+		*/						    
+		void SendChatListDataL( TIMCacheOperationsCode aChangeType ,
+							    MIMCacheMessageHeader* aMsgHeader );
+		
+		/**
+		* send unread change notification
+		* @param aMsgHeader, chat header
+		* @param aMessage , chat message
+		*/					    
+		void SendUnreadChangeNotificationL(MIMCacheMessageHeader* aMsgHeader, 
+										   CIMCacheMessageBase* aMessage );
+		
+		/**
+		* Externalizes single chat item.
+		* @param aMsgHeader, chat header
+		*/								   
+		void ExternalizeSingleChatItemL( TIMCacheOperationsCode aChangeType, MIMCacheMessageHeader* aMsgHeader );
+		
+		
+		/**
+		* Externalizes single chat messages.
+		* @param aMsgHeader, chat header
+		* @param aMessage , chat message
+		*/
+		void ExternalizeSingleChatDataL(TIMCacheOperationsCode aChangeType,
+										MIMCacheMessageHeader* aChatHeader, 
+										CIMCacheMessageBase* aMessage );
+		
+		/**
+		* Externalizes all  chat messages in a message header
+		* @param aChangeType, event type
+		* @param aMsgHeader, chat header
+		*/
+		void ExternalizeChatDataL(TIMCacheOperationsCode aChangeType ,MIMCacheMessageHeader* aChatHeader );
+		
+		/**
+		* write data to stream
+		* @param aChatHeader, chat header
+		* @param aSize total size of buffered messages.
+		* @return a HBufC8 stream buffer pointer
+		*/
+		HBufC8* GetPackedChatItemBufferL(MIMCacheMessageHeader* aChatHeader, TInt& aSize);
+		
+		/**
+		* write data to stream 
+		* @param aMsg, message
+		* @param aMsgHeader, chat header
+		* @param aSize total size of buffered messages.
+		* @return a HBufC8 stream buffer pointer
+		*/
+		HBufC8* GetPackedChatDataBufferL(CIMCacheMessageBase* aMsg , 
+										 MIMCacheMessageHeader* aActiveHeader ,
+										 const TInt aSize);
+		/**
+		* do request complete 
+		* @param aChangeType, type of request
+		*/								 
+	//	void DoRequestComplete( TIMCacheOperationsCode aChangeType );								 	
+    private:    // Data
+    	//owned, message completed state
+    	TBool iMessageCompleted;
+             	
+        //does observer is active
+        TBool iObserverActive;
+        
+        //msg observer
+        RMessage2 iObserverMessage;
+                        
+		// not owned, active helper
+		CCacheServerActiveHelper* iHelper;
+	
+		// owns, pending packets to be sent to ui client
+		RPointerArray<CIMCacheBufferArray> iPacketsArray;
+	
+    	// read only right initialized
+		TBool iAccessorInitialized;
+		// conversation r/w initialized
+		TBool iConvesationInitialized;
+		
+		// owns : add request fetch completed or not
+		TBool iOpenChatFetchCompleted;		   
+		
+		// service id for this session
+		TInt iServiceId;
+	
+		};
+
+#endif      //  __CIMCACHESESSION_H__
+
+
+//  END OF FILE
+