applayerpluginsandutils/httptransportplugins/httptransporthandler/csocketreader.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/applayerpluginsandutils/httptransportplugins/httptransporthandler/csocketreader.h Tue Feb 02 01:09:52 2010 +0200
@@ -0,0 +1,162 @@
+// Copyright (c) 2001-2009 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:
+//
+
+#ifndef __CSOCKETREADER_H__
+#define __CSOCKETREADER_H__
+
+#include <e32base.h>
+#include <http/framework/logging.h>
+
+#include "minputstream.h"
+#include "mhttptimerobserver.h"
+#include "chttptimer.h"
+
+class CSocket;
+class MInputStreamObserver;
+class MSocketController;
+
+class CSocketReader : public CActive,
+ public MInputStream,
+ public MHttpTimerObserver
+/**
+ The CSocketReader class encapsulates the reading functionality and behaviour
+ for a connected socket. It implements the MInputStream API.
+ @see MInputStream
+ @internalComponent
+*/
+ {
+public: // methods
+
+ static CSocketReader* NewL(CSocket& aSocket, MSocketController& aController, TInt aRecvBufferSize, TBool aPriority);
+
+ virtual ~CSocketReader();
+
+ void SocketClosed(TInt aError);
+
+ void Suspend();
+
+ void Resume();
+
+private: // methods from MInputStream
+
+ virtual void Bind(MInputStreamObserver& aObserver);
+
+ virtual void ReceivedDataRes();
+
+ virtual void ShutdownReq();
+
+ virtual void SecureServerReq();
+
+ virtual void Close();
+
+ virtual const CX509Certificate* ClientCert();
+
+ virtual void Shutdown();
+
+ virtual void Reset();
+
+ virtual TInt ImmediateRead ( TPtrC8& aData );
+
+ virtual void Restart ();
+
+ virtual void StartReceieveTimer (TInt aTimeoutValue);
+
+private: // methods from CActive
+
+ virtual void RunL();
+
+ virtual void DoCancel();
+
+ virtual TInt RunError(TInt aError);
+
+private: // methods from MHttpTimerObserver
+
+ virtual void TimeOut();
+
+private: // methods
+
+ CSocketReader(CSocket& aSocket, MSocketController& aController, TBool aPriority);
+
+ void CompleteSelf();
+
+ void ConstructL( TInt aRecvBufferSize );
+
+private: // enums
+
+/**
+ The state machine for the input stream.
+*/
+ enum TInputState
+ {
+ /** The input stream is waiting for an observer to bind itself to it
+ before doing a read.
+ */
+ EIdle = 0,
+ /** The input stream has an observer and it requested a read from the socket.
+ */
+ ERead,
+ /** The input stream has received a buffer of data from the socket.
+ */
+ EReceivedData,
+ /** The input stream is waiting for the observer to notify it that it
+ has finished with the current data.
+ */
+ EPendingAck,
+ /** The observer has asked the input stream to close the socket.
+ */
+ EClosing,
+ /** The socket has been closed - data can no longer be received from it.
+ */
+ EClosed
+ };
+
+private: // attributes
+
+/** The connected socket.
+*/
+ CSocket& iSocket;
+
+/** The socket controller that owns the socket.
+*/
+ MSocketController& iController;
+
+/** The buffer into which the received data is placed.
+*/
+ RBuf8 iBuffer;
+
+/** The state of the input stream.
+*/
+ TInputState iState;
+
+/** Flag to indicate that the stream is suspended.
+*/
+ TBool iSuspended;
+
+/** The observer for the input stream.
+*/
+ MInputStreamObserver* iObserver;
+
+//CHttpTimer Object
+ CHttpTimer* iReceiveTimer;
+
+public: // attributes
+
+/** Logger handle
+*/
+ __FLOG_DECLARATION_MEMBER2
+
+ };
+
+#endif // __CSOCKETREADER_H__