--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetooth/btstack/avdtp/avdtpTransportChannel.h	Fri Jan 15 08:13:17 2010 +0200
@@ -0,0 +1,130 @@
+// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// Defines the avdtp transport channel base class
+// 
+//
+
+/**
+ @file
+ @internalComponent
+*/
+
+#ifndef AVDTPTRANSPORTCHANNEL_H
+#define AVDTPTRANSPORTCHANNEL_H
+
+#include <bt_sock.h>
+#include "avdtpAllocators.h"
+#include "avdtpLogicalChannelFactory.h"
+#include "avdtpTransportSession.h"
+
+#ifdef _DEBUG
+_LIT(KAVDTPTransportChannel, "AVDTP_TransportChannel");
+#define DEBUG_UNEXPECTED_L2CAP_EVENT User::Panic(KAVDTPTransportChannel, 0);
+#else
+#define DEBUG_UNEXPECTED_L2CAP_EVENT
+#endif
+
+class CAvdtpProtocol;
+class CTransportSession;
+class TAvdtpSockAddr;
+
+typedef TUint32 TAvdtpAdaptationServices;
+const TUint32 KFragmentationService = 0x01;
+
+/**
+Base class for Direct and Mux channels	
+Derivers must implement certain send-related methods
+*/
+NONSHARABLE_CLASS(CTransportChannel) : public CBase, public MSocketNotify
+	{
+friend class CAvdtpProtocol;
+public:
+	static CTransportChannel* NewDirectChannelL(CAvdtpProtocol& aParent,
+								   const TBTDevAddr& aAddr);
+	static CTransportChannel* NewMuxChannelL(CAvdtpProtocol& aProtocol,
+							  const TBTDevAddr& aRemoteDevice,
+							  TTCID aRemotelyAssignedTCID/*=KInvalidTCID*/);
+	virtual ~CTransportChannel();
+
+// management path
+	virtual void DetachTransportSession(CUserPlaneTransportSession& aSession, TAvdtpTransportSessionType aType)=0;
+	virtual TInt AttachTransportSession(CUserPlaneTransportSession& aSession, TAvdtpTransportSessionType aType)=0;
+	virtual TBool CouldAttachSession(const TAvdtpSockAddr& aAddr)=0;
+	virtual TTCID TCID() const=0;
+	inline const TBTDevAddr& RemoteAddress() const;
+	virtual CServProviderBase* ObtainSAP()=0;
+
+// send path
+	virtual TUint SendPacket(TTSID aTSID, RMBufChain& aPacket)=0;
+	virtual TInt MaxPacketSize(TInt& aMTU); // default is just whatever l2cap is
+// receive path
+	virtual void TransportSessionBlocked(TAvdtpTransportSessionType aSession, TBool aBlocked)=0;
+	
+// interface for stream
+	virtual void LogicalChannelComplete(TLogicalChannelRecord aLogicalChannelRecord, TInt aErr);
+	void AllowServices(TAvdtpAdaptationServices aServices);
+	inline TBool IsConnected() const;
+	
+	// MSocketNotify stuff that is never used
+	// (still virtual though - so implementors *can* implement!)
+	void Bearer(const TDesC8&) {DEBUG_UNEXPECTED_L2CAP_EVENT};
+	void NoBearer(const TDesC8&) {DEBUG_UNEXPECTED_L2CAP_EVENT};
+	void Disconnect(TDesC8&) {DEBUG_UNEXPECTED_L2CAP_EVENT};
+	void CanClose(const TDesC8&, TDelete) {DEBUG_UNEXPECTED_L2CAP_EVENT};
+	void ConnectComplete() {DEBUG_UNEXPECTED_L2CAP_EVENT};
+	void ConnectComplete(const TDesC8&) {DEBUG_UNEXPECTED_L2CAP_EVENT};
+    void ConnectComplete(CServProviderBase&) {DEBUG_UNEXPECTED_L2CAP_EVENT};
+	void ConnectComplete(CServProviderBase&,const TDesC8&) {DEBUG_UNEXPECTED_L2CAP_EVENT};
+	TInt SetOption(TUint aLevel, TUint aName, const TDesC8 &aOption);
+	// MSocketNotify stuff that the base class can sort out
+	// no ioctl-forwarding supported yet
+	// if implemented this base class can handle the ioctlcomplete
+	void IoctlComplete(TDesC8*) {DEBUG_UNEXPECTED_L2CAP_EVENT};
+	void CanClose(TDelete aDelete=EDelete);
+
+	virtual TInt MaxReceivePacketSize(TInt& aMTU); // default is just whatever l2cap is		
+	
+protected:
+	CTransportChannel(CAvdtpProtocol& aParent, const TBTDevAddr& aAddr);
+	void ConstructL();
+	void CloseLogicalChannel();
+	inline CAvdtpProtocol& Protocol() const;
+
+protected:
+	RTCID				iTCID;
+	CServProviderBase*	iLogicalChannel;
+	TDblQueLink			iProtocolQLink;
+	TBool				iLogicalChannelBlocked;
+	TAvdtpAdaptationServices iAllowedServices;
+private:
+	CAvdtpProtocol&		iProtocol;
+	TBTDevAddr			iRemoteDevice;
+	};
+	
+inline CAvdtpProtocol& CTransportChannel::Protocol() const
+	{
+	return iProtocol;
+	}
+	
+inline const TBTDevAddr& CTransportChannel::RemoteAddress() const
+	{
+	return iRemoteDevice;
+	}
+	
+inline TBool CTransportChannel::IsConnected() const
+	{
+	return (iLogicalChannel!=NULL);
+	}
+
+#endif //AVDTPTRANSPORTCHANNEL_H