1 // Copyright (c) 2006-2009 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  @internalComponent

    19 */

    20 

    21 

    22 #ifndef LINKESTABLISHMENT_H

    23 #define LINKESTABLISHMENT_H

    24 

    25 #include <e32base.h>

    26 

    27 class CDelay;

    28 class CHCTLBcsp;

    29 

    30 class TLinkState;

    31 class CLinkStateFactory;

    32 

    33 NONSHARABLE_CLASS(CLinkEstablishment) :public CBase

    34 /**

    35 CLinkEstablishment

    36 Provides the initial link establishment entity

    37 Owns

    38 	CLinkStateFactory (State Pattern)

    39   	

    40 This class is not intended for derivation.

    41 */

    42 	{

    43 public:

    44 	void QueueReadForNextFrame(void);

    45 	static CLinkEstablishment* NewL(CHCTLBcsp& aHCTLbcsp);

    46 	~CLinkEstablishment();

    47 	void ProcessLinkMsg(const TDesC8& aLinkMsg);

    48 

    49 

    50 	void SendLinkMsg(const TDesC8& aLinkMsg);

    51 

    52 	void SetState(const TLinkState& aLinkState);   //<Change state of device

    53 

    54 

    55 	//TLinkState Stub Functions

    56 

    57 	void HandleLinkMsgSync();

    58 	void HandleLinkMsgSyncResp();

    59 	void HandleLinkMsgConf();

    60 	void HandleLinkMsgConfResp();

    61 

    62 	void StartShyTimer();

    63 	void StartConfTimer();

    64 

    65 	void StopShyTimer();

    66 	void StopConfTimer();

    67 

    68 	void Choke();

    69 	void UnChoke();

    70 	

    71  	void HandlePeerReset();

    72  	void Reset();	

    73 

    74 	TBool Muzzled();

    75 	void ResetMuzzled();

    76 private:

    77 	CLinkEstablishment(CHCTLBcsp& aHCTLbcsp);

    78 

    79     void ConstructL();	

    80 

    81 	void ProcessConfResp();

    82 	void ProcessSyncResp();

    83 	void LinkStateMachine(const TDesC8& aLinkMsg);	//processes received link messages

    84 	void HandleConfTimeout();

    85 	void HandleShyTimeout();

    86 	static TInt ConfTimeout(TAny* aLink);

    87 	static TInt ShyTimeout(TAny* aLink);

    88 

    89 private:

    90 	enum TBcspLinkStateTransition

    91 		{

    92 		ESyncRecvd,

    93 		EConfRecvd

    94 		};

    95 		

    96 	CHCTLBcsp& iHctlBcsp;

    97 	CLinkStateFactory* iLinkStateFactory;

    98 	const TLinkState* iLinkState;

    99 

   100 	CDelay* iShyTimer;

   101 	CDelay* iConfTimer;

   102 

   103 	TInt iConfCnt;

   104 	};

   105  #endif //LINKESTABLISHMENT_H

   106