1 // Copyright (c) 2004-2009 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 #ifndef __CBNEPBRIDGE_H

    22 #define __CBNEPBRIDGE_H 

    23 

    24 #include <e32base.h>

    25 #include "MPanDevice.h"

    26 #include "MPanDeviceOwner.h"

    27 #include "BnepPacketNotifier.h"

    28 #include <networking/pktdrv.h>

    29 #include <networking/pktdrv_internal.h>

    30 

    31 

    32 #ifdef SYMBIAN_NON_SEAMLESS_NETWORK_BEARER_MOBILITY

    33 #include <elements/nm_node.h>

    34 #include <comms-infras/ss_common.h>

    35 #endif

    36 

    37 class MPanConnectionNotify;

    38 class MBnepChannelControl;

    39 class RBnepFrame;

    40 class TBTDevAddr;

    41 class RInternalSocket;

    42 

    43 

    44 const TUint KBnepLocalDeviceArrayId = 0;

    45 

    46 const TUint KBnepPacketNotifyInterval=2000000;

    47 const TUint KBnepPacketNotifySleepTicks=10;

    48 

    49 /**

    50    Acts as a GN, routing packets between interfaces

    51    This occurs even if the local role is PANU, although in this case there are

    52    only two devices in its lists.

    53    @note The local device is treated differently - it is joined to the bridge

    54    at startup and has a special (known) place in the bridging array

    55 */

    56 #ifdef SYMBIAN_NON_SEAMLESS_NETWORK_BEARER_MOBILITY

    57 NONSHARABLE_CLASS(CBnepBridge) : public CBase, public Messages::ASimpleNodeIdBase, public MPanDeviceOwner

    58 #else

    59 NONSHARABLE_CLASS(CBnepBridge) : public CBase, public MPanDeviceOwner

    60 #endif

    61     {

    62 #ifdef SYMBIAN_NON_SEAMLESS_NETWORK_BEARER_MOBILITY

    63 private:

    64 	NONSHARABLE_CLASS(CPanLinkControl) : public CBase, public MPanLinkControl

    65 		{

    66 	public:

    67 		static CPanLinkControl* NewL();

    68 		~CPanLinkControl();

    69 	private:

    70 		void ConstructL();

    71 		CPanLinkControl();

    72 

    73 	private: 

    74 		// MPanLinkControl methods

    75 		virtual TAny* MplcbGetInterface(const TUid & aInterface);

    76 		virtual TInt MplcRequestSniff(const TBTDevAddr &);

    77 		virtual TInt MplcRequestActive(const TBTDevAddr &);

    78 

    79 	private:	

    80 		RSocketServ iSockServ;

    81 		};

    82 #endif

    83 

    84 public:

    85     ~CBnepBridge();

    86     TInt AttachDevice (MPanDevice& aDevice);

    87     const TBTDevAddr& DefaultAddress () const;

    88     void LinkGoingDown (MPanDevice& aDevice);

    89 	void RemoteDeviceReady ();

    90 

    91 #ifdef SYMBIAN_NON_SEAMLESS_NETWORK_BEARER_MOBILITY

    92     inline void SetPacketDriverOwner(CPacketDriverOwner& aPktDrvOwner);

    93     void AttemptNewBnepConnection(const Messages::TNodeId& aSender, const Messages::TSignatureBase& aMessage, TUint16 aActivity);

    94 #else

    95     MBnepChannelControl& NewBnepConnectionL (RInternalSocket& aConnectedSocket, MPanConnectionNotify& aNotify);

    96 #endif

    97 

    98     static CBnepBridge* NewL (MPanDevice& aLocalDevice);

    99     TInt Process (RBnepFrame& aFrame, const TBTDevAddr& aSourceIfAddr);

   100     void StopLinks ();

   101    	virtual void SetRetryConnect();

   102    	void DataCountUpdated();

   103 

   104 #ifdef SYMBIAN_NON_SEAMLESS_NETWORK_BEARER_MOBILITY

   105 protected:

   106     // From ESock::MCFNode, via ESock::ACFNodeIdBase

   107 	void ReceivedL(const Messages::TRuntimeCtxId& aSender, const Messages::TNodeId& aRecipient, Messages::TSignatureBase& aCFMessage);

   108 #endif

   109 

   110 private:

   111     CBnepBridge (MPanDevice& aLocalDevice);

   112 	void ConstructL();

   113     void RemoveDevice (MPanDevice& aDevice);

   114     TInt GetVacantSlot (TUint& aSlotIndex);

   115 	static TInt DataCounterCallBack(TAny*);

   116 	void DataCounterNotify();

   117 

   118 private: 

   119     TUint8 iLinkCount;

   120     TFixedArray< MPanDevice* , KMaxPanConnections  > iLinks;

   121     RLibrary iLib;

   122 	CPeriodic* iDataCounterTimer;

   123 	MBnepPacketNotifier* iBnepPacketNotifier;

   124 	RArray<TBnepBytesTransferred> iDataTransferred;

   125 	TUint iIdleCount;

   126 	TBool iRetryConnect;

   127 

   128 #ifdef SYMBIAN_NON_SEAMLESS_NETWORK_BEARER_MOBILITY

   129     // Points to the owner of the packet driver lib and is passed to

   130     // CBnepChannelControllers when we create them - DON'T DELETE IT

   131     CPacketDriverOwner* iPktDrvOwner;

   132 	// MPanLinkControl implementation

   133 	CPanLinkControl* iPanLinkControl;

   134 #endif

   135     };

   136 

   137 #ifdef SYMBIAN_NON_SEAMLESS_NETWORK_BEARER_MOBILITY

   138 void CBnepBridge::SetPacketDriverOwner(CPacketDriverOwner& aPktDrvOwner)

   139     {

   140     iPktDrvOwner = &aPktDrvOwner;

   141     }

   142 

   143 #endif

   144 // SYMBIAN_NON_SEAMLESS_NETWORK_BEARER_MOBILITY

   145 

   146 #endif

   147 // __CBNEPBRIDGE_H

   148