--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/applayerprotocols/ftpengine/inc/DTPCHNL.H	Tue Feb 02 01:09:52 2010 +0200
@@ -0,0 +1,138 @@
+/**
+* Copyright (c) 1998-2009 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:
+* FTP protocol engine
+* Author:	Philippe Gabriel
+* Implements objet controling the DTP channel of the FTP protocol
+* Model the DTP Channel as an FSM
+* 
+*
+*/
+
+
+
+/**
+ @file DTPCHNL.H
+ @internalComponent
+*/
+
+#if !defined(__DTPCHNL_H__)
+#define __DTPCHNL_H__
+#include "DEBUG.H"
+#include "FTPDEF.H"
+#include "SETERROR.H"
+#include <e32base.h>
+#include <in_sock.h>
+
+//////////////////////////////////////////////////////////////
+// Definitions
+//////////////////////////////////////////////////////////////
+
+class CFtpProtocol;
+class MDTPChannelNotifier
+/**
+@internalComponent
+*/
+	{
+public:
+/**
+Operation completion return codes.
+*/ 
+	enum TDtpOperationCompletion 
+		{
+		EDtpConnectComplete=0, 
+		EDtpAcceptComplete, 
+		EDtpDisconnectComplete,
+		EDtpSendComplete,	
+		EDtpSendEOFComplete,	
+		EDtpRcvMoreData,	
+		EDtpRcvComplete,	
+		EDtpOpCancelComplete
+		};
+/**
+Error status
+*/
+	enum TDtpOperationError 
+		{
+		EDtpConnectFailed=0,
+		EDtpSendAborted,
+		EDtpRecvAborted
+		};
+public:
+		/** Notify of normal completion of an operation */
+		virtual void DTPChannelOperationCompletion(const TDtpOperationCompletion)=0;
+		/** Notify of error performing an operation */
+		virtual void DTPChannelOperationError(const TDtpOperationError)=0;
+		/** Notify of reception */
+		virtual void DTPChannelXferNotification(const TDtpOperationCompletion)=0;
+	};
+
+NONSHARABLE_CLASS(CDTPChannel) : public CActive
+/**
+DTP Channel
+@internalComponent
+*/
+	{
+public:
+
+	CDTPChannel(MDTPChannelNotifier*,CFTPSetError*);
+	~CDTPChannel();
+	static CDTPChannel* NewL(MDTPChannelNotifier*,CFTPSetError*,RSocketServ&);
+	/** Command interface .Connect DTP socket*/
+	TBool Connect(TSockAddr&); 
+	/** Open the DTP channel and wait for connection */
+	void Accept(void); 
+	/** returns the port the socket listens on */
+	TUint ListeningPort(void); 
+	void Disconnect(void); 
+	/** Send the content of aBuffer down the DTP Channel */
+	void Send(TDesC8&); 
+	/** Shutdown the DTP connection to notify an end of send */
+	void SendEOF(void); 
+	/** Rcv from DTP Channel and store in aBuffer */
+	void Recv(TDes8&); 
+	/** returns state of DTP Channel */
+	TBool Closed(void); 
+	/** returns state of DTP Channel */
+	TBool Connected(void); 
+protected:
+	void RunL();
+    void DoCancel(void);
+private:
+	enum TState
+		{
+		EDTPChannelIdle,EDTPChannelConnecting,EDTPChannelListening,EDTPChannelConnected,
+		EDTPChannelShutingDown,EDTPChannelSending,EDTPChannelReceiving
+		};
+	enum TPanic 
+		{
+		EDTPPanicChannelNotConnected = -1,
+		EDTPPanicChannelOutOfState = -2
+		};
+	void ConstructL(RSocketServ&);
+	/** The state of the FSM */
+	TState iDTPChannelState; 
+	/** A socket server to be used for all socket operations */
+	RSocketServ iSockServ;	
+	
+	RSocket iDTPTransferSocket;
+	RSocket iDTPListenSocket;
+	MDTPChannelNotifier* iNotifier;
+	//	CFtpProtocol* iFtpProtocol;
+	/** A pointer to a CFTPSetError object */
+	CFTPSetError* iCFTPSetError;
+	TInetAddr iLocalAddress;
+	TSockXfrLength iRcvLen;
+	};
+#endif // __DTPCHNL_H__