1 // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 /**

    17  @file

    18  @internalTechnology

    19 */

    20 

    21 #ifndef AVCTPRECEIVER_H

    22 #define AVCTPRECEIVER_H

    23 

    24 #include <e32base.h>

    25 #include <es_sock.h>

    26 

    27 #include <avctpservices.h>

    28 #include "avctppacketstatics.h"

    29 

    30 // forward declaration

    31 class CAvctpBody;

    32 class MControlChannelNotify;

    33 

    34 /**

    35 AVCTP active receiver

    36 @internalComponent

    37 */

    38 NONSHARABLE_CLASS(CAvctpReceiver) : public CActive

    39 	{

    40 public:

    41 	static CAvctpReceiver* NewL(MAvctpEventNotify& aNotify, RSocket& aAvctpSocket, SymbianAvctp::TPid aPid);

    42 	static CAvctpReceiver* NewLC(MAvctpEventNotify& aNotify, RSocket& aAvctpSocket, SymbianAvctp::TPid aPid);

    43 	~CAvctpReceiver();

    44 

    45 private:

    46 	MAvctpEventNotify& iNotify;

    47 	RSocket& iAvctpSocket;

    48 

    49 	enum TRecvState

    50 		{

    51 		EWaitingForPktHeader,

    52 		EWaitingForMsgInfo,

    53 		};

    54 	

    55 	TRecvState iRecvState;

    56 	

    57 	HBufC8* iRecvBuf;

    58 	TPtr8  iRecvPtr;

    59 	TSockXfrLength iXfrLength;

    60 

    61 	SymbianAvctp::TPid iPid;

    62 

    63 	// Current packet info

    64 	TSockAddr iAddr;

    65 	SymbianAvctp::TTransactionLabel iTransactionLabel;

    66 	SymbianAvctp::TMessageType iMessageType;

    67 	TBool iIpidBitSet;

    68 private:

    69 	CAvctpReceiver(MAvctpEventNotify& aNotify, RSocket& aAvctpSocket, SymbianAvctp::TPid aPid);

    70 	void ConstructL();

    71 

    72 	inline void NotifyMessageReceived(const TBTDevAddr& aBTDevice,

    73 								SymbianAvctp::TTransactionLabel aTransactionLabel,

    74 								SymbianAvctp::TMessageType aType,

    75 								TBool aIpidBitSet,

    76 							 	const TDesC8& aMessageInformation);

    77 

    78 	// Function that issues RecvFrom 

    79 	void ReceiveL(TRecvState aNextState, TInt aBufLen = SymbianAvctp::ENormalHeaderLength);

    80 	

    81 	// From CActive

    82 	void DoCancel();

    83 	void RunL();

    84 	TInt RunError(TInt aError);

    85 	

    86     // Other

    87     void ChangeState(TRecvState aNextState);

    88     void SetPacketInfo(TDes8& aHeader);

    89 	};

    90 	

    91 #endif // AVCTPRECEIVER_H