1 /*

     2 * Copyright (c) 2005-2009 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 

    20 /********************************************************************************

    21  *

    22  * Stat TCP/IP Transport

    23  *

    24  *******************************************************************************/

    25 #ifndef __STATTCPIP_H__

    26 #define __STATTCPIP_H__

    27 

    28 /********************************************************************************

    29  *

    30  * System Includes

    31  *

    32  *******************************************************************************/

    33 #include <es_sock.h>

    34 

    35 /********************************************************************************

    36  *

    37  * Local Includes

    38  *

    39  *******************************************************************************/

    40 #include "stat_interfaces.h"

    41 #include "ntoh.h"

    42 

    43 /********************************************************************************

    44  *

    45  * Definitions

    46  *

    47  *******************************************************************************/

    48 const TUint KStatHeaderSize	= 8;

    49 const TUint KLittleStatPort = 3000;

    50 const TUint KLittleStatListenQueue = 1;

    51 

    52 /********************************************************************************

    53  *

    54  * CStatTransportTCPIP - Top-level of the transport. Creates and waits on the 

    55  * listening socket. When a new data socket is created it creates the reader

    56  * and writer passing the socket to them. After that, the object simply routes

    57  * read/write calls/cancels to the appopriate objects.

    58  *

    59  *******************************************************************************/

    60 class CStatTransportTCPIP : public CActive, public MStatNetwork

    61 {

    62 public:

    63 	// construction

    64 	static CStatTransportTCPIP *NewL( void );

    65 	CStatTransportTCPIP();

    66 	~CStatTransportTCPIP();

    67 

    68 	// from MStatNetwork

    69 	TInt GetPacketSize();

    70 	TInt InitialiseL( MNotifyStatTransport *iTransport );

    71 	TInt ConnectL( TDesC *aRemoteHost );

    72 	TInt RequestSend( TDesC8 *aCommandData, const TUint aDataLength );

    73 	TInt RequestReceive( TUint aByteCount );

    74 	TInt Disconnect( void );

    75 	TInt Release( void );

    76 	TText8 *Error( void );

    77 	TUint NtoHl( TUint aValue ) const;

    78 	TUint HtoNl( TUint aValue ) const;

    79 	TBool PadPacket( TUint size ) const;

    80 

    81 	// from CActive 

    82 	void RunL( void );

    83 	void DoCancel( void );

    84 

    85 private:

    86 	void ConstructL( void );

    87 

    88 private:

    89 	enum TStatTransportStatus { EIdle, EError, EInitialised, EConnecting, EConnected, 

    90 			EDisconnectingData, EDisconnectingListen, EDisconnected };

    91 

    92 private:

    93 	TStatTransportStatus iTransportStatus;

    94 	TReadWriteStatus iRWStatus;

    95 	MNotifyStatTransport *iTransport;

    96 	TInt iMaxPacketSize;

    97 

    98 	HBufC8 *iBuffer;

    99 	TPtr8 *iBufferPtr;

   100 

   101  	RSocket iListenSocket;

   102  	RSocket iDataSocket;

   103  	RSocketServ iSocketServ;

   104 	

   105 };

   106 

   107 inline TUint CStatTransportTCPIP::NtoHl( TUint aValue ) const

   108 {

   109 	return ( ntohl( aValue ) );

   110 }

   111 

   112 inline TUint CStatTransportTCPIP::HtoNl( TUint aValue ) const

   113 {

   114 	return ( htonl( aValue ) );

   115 }

   116 

   117 inline TBool CStatTransportTCPIP::PadPacket( TUint ) const

   118 {

   119 	return ( EFalse );

   120 }

   121 

   122 #endif // __STATTCPIP_H__