examples/ForumNokia/Symbian_OS_End-to-End_Sockets_API_Example/SocketTaskManager_S60/inc/TaskManagerEngineWriter.h

#ifndef TASKMANAGERENGINEWRITER_H
#define TASKMANAGERENGINEWRITER_H

#include <in_sock.h>

class CTaskManagerEngineWriter : public CActive
{
public: // new methods

        static CTaskManagerEngineWriter* NewL( RSocket& aSocket );
        
        static CTaskManagerEngineWriter* NewLC( RSocket& aSocket );

        ~CTaskManagerEngineWriter();
        
        void DoWriteL( const TDesC& aData );
        
protected: // from CActive

        void DoCancel();
        
        void RunL();
        
private: // private methods
        
        CTaskManagerEngineWriter( RSocket& aSocket );
        
        void ConstructL();
        
        void SendNextPacket();
        
private: // member variables

        enum 
        {
                KWriteBufferSize = 20
        };
        
        enum TWriterState
        {
                EWaiting = 0,
                ESending
        };

        RSocket& iSocket;
        
        // data waiting to be sent
        TBuf8<KWriteBufferSize> iTransferBuffer;

        // data being written to socket
        TBuf8<KWriteBufferSize> iWriteBuffer;
        
        TWriterState iState;
};

#endif

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