--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cbsref/csyrefplugins/csy27010/inc/ChannelMgrBase.h	Tue Jun 22 11:02:32 2010 +0100
@@ -0,0 +1,219 @@
+//
+// * Copyright 2004 Neusoft America Inc.
+// * All rights reserved.
+// * This component and the accompanying materials are made available
+// * under the terms of the Eclipse Public License v1.0
+// * which accompanies this distribution, and is available
+// * at the URL "http://www.eclipse.org/legal/epl-v10.html".
+// *
+// * Contributors:
+// * Keith Collins (Neusoft America Inc.)  original software development and additional code and modifications.
+// * Thomas Gahagen (Neusoft America Inc.)  additional code and modifications.
+// * Zhen Yuan (Neusoft America Inc.)  additional code and modifications.
+// *
+// * Description: This file contains the declaration for class CChannelMgrBase.
+// *              Class CChannelMgrBase is an abstract class that is inherted by
+// *              classes that define a single 3GPP 27.010 based logical channel (DLC).
+// *              Derived classes are either control, command and data channels.
+//
+
+// ChannelMgrBase.h
+
+/** @file ChannelMgrBase.h
+ *
+ * This file contains the declaration for class CChannelMgrBase.
+ * Class CChannelMgrBase is an abstract class that is inherted by
+ * classes that define a single 3GPP 27.010 based logical channel (DLC).
+ * Derived classes are either control, command and data channels.
+ */
+
+#ifndef _CHANNELMGRBASE_H_
+#define _CHANNELMGRBASE_H_
+
+#include <e32base.h>
+#include <c32comm.h>
+#include "CsyGlobals.h"
+#include "timeouter.h"
+
+class CPortFactory;
+class CMux0710Protocol;
+class CPortC32InterfaceBase;
+class CPortC32Interface;
+class CFrameToBPQueue;
+class CFrameToClientQueue;
+class CChannelObserverAo;
+class CCsyMsgBufBpFrame;
+
+/** 
+ *  CChannelMgrBase is an abstract class that is inherted by
+ *  classes that define a single 3GPP 27.010 based logical channel (DLC).
+ *  Derived classes are either control or cmd/data channels.
+ */
+class CChannelMgrBase : public CBase, public MTimeoutObserver
+	{
+public:
+	enum TCsyChannelState
+		{
+		ECsyChannelStateDisconnected,    // Channel is Disconnected
+		ECsyChannelStateParameterNegotiating, // Channel was disconnected and has sent Parameter Negotiation
+		ECsyChannelStateConnecting,      // Channel was disconnected and has sent a SABM to be connected
+		ECsyChannelStateMSCsent,         
+		ECsyChannelStateWaitingForChannelReady, 
+		ECsyChannelStateConnected,       // Channel is Connected, Data can be transmitted
+		ECsyChannelStateDisconnecting,   // Channel was connected and is now waiting to be disconnected
+		ECsyChannelStateFlowControlOff,  // Channel has been Xoff'd by the baseband
+		ECsyChannelStateTransmitError    // Not receive after timeout and retransmite, Link error
+		};
+
+public:
+    CChannelMgrBase(const TUint8 aDlcNum,
+					CPortFactory& aPortFactory, 
+					CMux0710Protocol& aMux0710Protocol);
+
+    virtual ~CChannelMgrBase();
+
+    TInt Connect();
+    TInt Disconnect();
+	TInt ParameterNegotiate();
+
+	void ProcessRecvFrame(CCsyMsgBufBpFrame* aBpFrame);
+	
+	TDes8& RefToMsgBuffer();
+
+	TUint8 GetDlcNumber() const;
+	TCsyChannelState GetChannelState() const;
+
+	void WaitForChannelReady();
+	void NotifyChannelReady();
+
+	CPortC32InterfaceBase* GetC32Port() const;
+
+	void MscReceived(TUint8 aV24Signals);
+	TInt SendMscCommand(TUint8 aV24Signals);
+
+	void ModemAndCsyToClientFlowCtrl(const TFlowControl aFlowControl);
+	void ReceivedV24Signals(const TUint8 aV24Signals);
+
+	inline TFlowControl CsyToModemFlowControl();
+	TInt SetCsyToModemFlowControl(TFlowControl aFlowControl);
+
+	TInt PlaceOnOutboundQueue();
+	void WriteCancel();
+
+	inline TFlowControl GetModemAndCsyToClientFlowControl();
+
+public://From MTimeoutObserver
+	void TimedOut();
+
+protected:
+	void ConstructL();
+
+	void IssueNotificationRequest();
+
+	virtual void ProcessRecvUihFrame(CCsyMsgBufBpFrame* aBpFrame) = 0;
+	void ProcessNonUihRecvFrame(CCsyMsgBufBpFrame* aBpFrame);
+
+protected:
+
+	TUint8					iV24Signals;
+
+    const TUint8			iDlcNum;
+
+    TCsyChannelState		iChannelState;
+    CPortFactory&			iPortFactory;
+	CPortC32InterfaceBase*	iPortC32Interface;
+	CMux0710Protocol&		iMux0710Protocol;
+
+    TBuf8<KMaxIpPacketSize>	iDataToSendToModem;
+
+	TBool					iChannelReady;
+	TBool					iInitFinished;
+
+	TInt					iTimeoutVal;
+	TInt					iTxCountLimit;
+	TInt					iTxCount;
+
+	CChannelObserverAo*		iChannelObserverAo;
+	CActiveTimeouter*		iTimeouter;
+
+	TBool					iMscReplyExpected;
+
+	// modem -> csy flow control - controls the CSY sending frames to the modem
+	TFlowControl			iCsyAllowedToSendFrames;
+
+	// csy -> modem flow control - controls the modem sending frames to the CSY
+	TFlowControl			iModemAllowedToSendFrames;
+	TBool					iDelayedWriteToModem;
+
+	};
+
+// Inline methods
+
+inline TFlowControl CChannelMgrBase::CsyToModemFlowControl()
+/**
+ * Return the current CSY to modem flow control status for this channel.
+ */
+	{
+	return iModemAllowedToSendFrames;
+	}
+
+inline TUint8 CChannelMgrBase::GetDlcNumber() const
+/**
+ * Return the DLC number of the channel manager object.
+ *
+ * @return DLC number
+ */
+	{
+	return iDlcNum;
+	}
+
+inline CChannelMgrBase::TCsyChannelState CChannelMgrBase::GetChannelState() const
+/**
+ * Return the channel state.
+ *
+ * @return Channel state
+ */
+	{
+	return iChannelState;
+	}
+
+inline CPortC32InterfaceBase* CChannelMgrBase::GetC32Port() const
+/**
+ * Return a pointer to the C32 port associated with this channel manager object.
+ *
+ * @return Pointer to the C32 port associated with this channel manager object
+ */
+	{
+	return iPortC32Interface;
+	}
+
+inline TFlowControl CChannelMgrBase::GetModemAndCsyToClientFlowControl()
+/**
+ * Return the current flow control state of the channel.
+ *
+ * @return Flow control state
+ */
+	{
+	return iCsyAllowedToSendFrames;
+	}
+
+/* CChannelObserverAo use to block until channel init is finished
+ */
+class CChannelObserverAo :public CActive
+	{
+public:
+	static CChannelObserverAo* NewL();
+	~CChannelObserverAo();
+
+ 	void StartWait();
+	void ChannelReady();
+
+protected:// from CActive
+    void RunL();
+    void DoCancel();
+
+private:
+	CChannelObserverAo();
+	};
+
+#endif  // _CHANNELMGRBASE_H_
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