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

/*
* ============================================================================
*  Name     : CTaskManagerEngineReader from TaskManagerEngineReader.h
*  Part of  : TaskManager
*  Created  : 15/03/2006 by Forum Nokia
*  Version  : 1.2
*  Copyright: Nokia Corporation
* ============================================================================
*/

#ifndef __TASKMANAGERENGINEREADER_H__
#define __TASKMANAGERENGINEREADER_H__

// INCLUDE FILES
#include <in_sock.h>

// FORWARD DECLARATIONS
class CSecureSocket;

// CLASS DECLARATIONS

class MEngineNotifier
    {
public:
    virtual TBool PackageReceivedL( const TDesC8& aData ) = 0;
    };


class CTaskManagerEngineReader : public CActive
    {
public:

        static CTaskManagerEngineReader* NewL( MEngineNotifier& aNotifier );
    static CTaskManagerEngineReader* NewLC( MEngineNotifier& aNotifier );

        ~CTaskManagerEngineReader();

        void Start();
        
    void SetSecureSocket( CSecureSocket* aSocket );

protected: // from CActive

        void DoCancel();

        void RunL();    

private:

        CTaskManagerEngineReader( MEngineNotifier& aNotifier );

        void ConstructL();

        void IssueRead();

private: // Member variables

    // The size of the read buffer in bytes.
    enum { KReadBufferSize = 20 };

    // Socket to read data from.
    CSecureSocket*          iSocket;

    // Buffer for receiving data.
        TBuf8<KReadBufferSize>  iBuffer;

    // Handle to notify engine.
    MEngineNotifier&        iNotifier;
    
    // Stores the amount of bytes read from socket.
    // Must be defined even though it's not used anywhere except when reading.
    TSockXfrLength          iDummyLength;
    };

#endif

// End of file

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