--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hti/HtiServicePlugins/HtiIpProxyServicePlugin/IPProxyEngine/Src/CSocketWriter.h Wed Oct 13 16:17:58 2010 +0300
@@ -0,0 +1,140 @@
+/*
+* Copyright (c) 2009 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: Socket writer
+*
+*/
+
+
+
+#ifndef CSOCKETWRITER_H
+#define CSOCKETWRITER_H
+
+// INCLUDES
+#include <e32base.h>
+
+// CONSTANTS
+const TInt KWriteBufferSize = 128;
+
+// FORWARD DECLARATIONS
+class MSocketWriterObserver;
+class RSocket;
+class CDesC8Array;
+
+// CLASS DECLARATION
+
+/**
+* Socket writer. Asynchronously writes data to opened socket.
+*/
+NONSHARABLE_CLASS( CSocketWriter ) : public CActive
+ {
+ public: // Constructors and destructor
+
+ /**
+ * Factory function.
+ * @param aSocket RSocket instance which is used to write data.
+ * @param aUDPRemotePort Remote UDB port.
+ * @return New CSocketWriter instance.
+ */
+ static CSocketWriter* NewL( RSocket& aSocket,
+ TInt aUDPRemotePort = -1 );
+
+ /**
+ * Factory function.
+ * @param aSocket RSocket instance which is used to write data.
+ * @param aUDPRemotePort Remote UDB port.
+ * @return New CSocketWriter instance.
+ */
+ static CSocketWriter* NewLC( RSocket& aSocket,
+ TInt aUDPRemotePort = -1 );
+
+ /**
+ * Destructor.
+ */
+ ~CSocketWriter();
+
+ public: // New functions
+
+ /**
+ * Sets observer.
+ * @param aObserver Pointer to observer.
+ */
+ void SetObserver( MSocketWriterObserver* aObserver );
+
+ /**
+ * Issues writing data to socket. If the request is already
+ * pending the data will be written to queue and it will be
+ * handled afterwards.
+ * @param aData Data to be written.
+ */
+ void IssueWriteL( const TDesC8& aData );
+
+ /**
+ * Resets transfer buffer.
+ */
+ void ResetTransferBuffer();
+
+ /**
+ * Continues writing if there is something in the buffer left.
+ */
+ void ContinueAfterError();
+
+ private:
+ /**
+ * Writes one descriptor from queue.
+ */
+ void IssueWrite();
+
+ protected: // Functions from base classes
+
+ /**
+ * From CActive. Pending request has been completed.
+ */
+ void RunL();
+
+ /**
+ * From CActive. Pending request has been cancelled.
+ */
+ void DoCancel();
+
+ /**
+ * From CActive. RunL has leaved.
+ */
+ TInt RunError( TInt aError );
+
+
+ private:
+
+ /**
+ * Default constructor.
+ */
+ CSocketWriter( RSocket& aSocket, TInt aUDPRemotePort = -1 );
+
+ /**
+ * 2nd phase constructor.
+ */
+ void ConstructL();
+
+ private: // Data
+ CDesC8Array* iTransferBufferArray;
+ MSocketWriterObserver* iObserver;
+ RSocket& iSocket;
+ TBuf8<KWriteBufferSize> iWriteBuffer;
+ RTimer iTimer;
+ TBool iWaiting;
+ const TInt iUDPRemotePort;
+ };
+
+#endif // CSOCKETWRITER_H
+
+// End of File