1 /*

     2 * Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 

    19 #ifndef _TELENET_ENGINE_H_

    20 #define _TELENET_ENGINE_H_

    21 

    22 #include <telsess.h>

    23 #include "TELFSM.H"

    24 

    25 class CTelnetResolver;

    26 class CAtiveWriter;

    27 class CActiveReader;

    28 class CIOControl;

    29 class CReadTrigger;

    30 class MIONotifier;

    31 class CProto;

    32 

    33 const int KPortReadBufferSize = 128;

    34 

    35 const int KClientReadBufferSize = 512;

    36 

    37 NONSHARABLE_CLASS(CTelnetControl) : public CBase , public MTelnetResolver, public MIONotifier , public MProtoEvent

    38 /**

    39 @internalComponent

    40 */

    41 	{

    42 public:

    43 

    44 	CTelnetControl();

    45 	~CTelnetControl();

    46 

    47 	static CTelnetControl* NewL(const TTelnetConfig& aConfig,MTelnetNotification* aTelnetNotification);

    48 	void ConstructL(const TTelnetConfig& aConfig,MTelnetNotification* aTelnetNotification);

    49 	void Reset();

    50 

    51 	TInt Connect(const TDesC& aServerName, TUint aPort);

    52 	TInt Connect(const TInetAddr& aInetAddr, TUint aPort);

    53 

    54 	TInt SetOption(const TInt aOption);

    55 	TInt SetConfig(const TTelnetConfig& aConfig);

    56 	TInt OptionStatus(TOptionStatus& aStatus);

    57 

    58 	TInt Disconnect();

    59 

    60 	TInt Read();

    61 	TInt Write(const TDesC8& aBuffer);

    62 	TInt Write(TTelnetUserControl& aControlCode);

    63 

    64 

    65 	// MTelnetResolver

    66 	void ResolverConnectedL();

    67 	void ResolverDisconnected();

    68 	void ResolverError(TInt aError);

    69 

    70 	// MIONotification

    71   	void WriteComplete(); 

    72 	void WriteError(TInt aError);

    73 	void ReadCompleteL();

    74 	void ReadComplete(TInt aError);

    75 	void Event(TInt aEvent, TInt aEventCode);

    76 

    77 	// MProtoEvent

    78 	void ProtoError(TInt aError);

    79 	void ProtoEvent();

    80 

    81 

    82 private:

    83 	// For passing data to the client app

    84 	TBuf8<KClientReadBufferSize>	iClientReadBuffer;

    85 	// Passed to IO control for receiving data from the server

    86 	TBuf8<KPortReadBufferSize>		iPortReadBuffer;

    87 

    88 	TBool					iClientWriteOutstanding;

    89 

    90     MTelnetNotification*	iTelnetNotification;

    91 

    92 	CTelnetResolver*		iTelnetResolver;

    93 

    94 	CActiveWriter*			iPortWriter;

    95 	CActiveReader*			iPortReader;

    96 	CIOBufferControl*		iPortIOControl;

    97 

    98 	CProto*					iProto;

    99 

   100 	};

   101 

   102 #endif