--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tcpiputils/dhcp/include/DHCPStates.h	Tue Jan 26 15:23:49 2010 +0200
@@ -0,0 +1,334 @@
+// Copyright (c) 2004-2009 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:
+// The DHCP States header file
+// 
+//
+
+/**
+ @file DHCPStates.h
+*/
+
+#ifndef __DHCPSTATES_H__
+#define __DHCPSTATES_H__
+
+#include <e32base.h>
+#include <comms-infras/asynchevent.h>
+#include "DHCPStateMachine.h"
+#ifdef SYMBIAN_ESOCK_V3
+#include <comms-infras/idquerynetmsg.h>
+#include <comms-infras/netsubscribe.h>
+#include <c32root.h>
+
+namespace NetSubscribe
+{
+class TEvent;
+}
+
+class SFactoryChannel
+	{
+public:
+	~SFactoryChannel();
+	SFactoryChannel()
+		{
+		}
+	void SendMessageL( NetMessages::CMessage& aMsg );
+	
+protected:
+	CommsFW::TCFModuleName iModule;
+	Elements::TRBuf8 iBuf;
+	RRootServ iC32Root;
+	};
+
+class SDhcpSignal : public SFactoryChannel
+	{
+public:
+	~SDhcpSignal();
+	SDhcpSignal()
+		{
+		}
+	void SubscribeL( const TName& aInterfaceName, TInt aEventId, NetSubscribe::TEvent& aEvent );
+	
+protected:
+	NetSubscribe::CNetSubscribe* iNetSubscribe;
+	NetMessages::CTypeIdQuery* iQuery;
+	};
+#endif
+
+class CDHCPState : public CAsynchEvent
+	{
+public:
+	CDHCPState(CDHCPStateMachine& aDHCP) :
+		CAsynchEvent(&aDHCP) 
+		{
+		}
+	virtual ~CDHCPState();
+
+	virtual CDHCPState* ProcessAckNakL(TRequestStatus* aStatus);
+	CDHCPStateMachine& Dhcp()
+		{
+		return static_cast<CDHCPStateMachine&>(*iStateMachine);
+		}
+	
+	virtual void Cancel();
+public:
+	enum EDHCPHistory //must be a bit mask
+		{
+		EBinding = 1,
+		EBindToSource = 2
+		};
+
+	};
+
+class CDHCPAddressAcquisition : public CDHCPState
+	{
+public:
+	CDHCPAddressAcquisition(CDHCPStateMachine& aDHCP) :
+		CDHCPState(aDHCP)
+		{
+		}
+	//create msg sends it off & initiates receive
+	virtual CAsynchEvent* ProcessL(TRequestStatus& aStatus);
+	};
+
+class CDHCPSelect : public CDHCPState
+	{
+public:
+	CDHCPSelect(CDHCPStateMachine& aDHCP) :
+		CDHCPState(aDHCP)
+		{
+		}
+	//create msg sends it off & initiates receive
+	virtual CAsynchEvent* ProcessL(TRequestStatus& aStatus);
+	};
+
+class CDHCPRebootConfirm : public CDHCPState
+	{
+public:
+	CDHCPRebootConfirm(CDHCPStateMachine& aDHCP) :
+		CDHCPState(aDHCP)
+		{
+		}
+	//create msg sends it off & initiates receive
+	virtual CAsynchEvent* ProcessL(TRequestStatus& aStatus);
+	};
+
+class CDHCPInformationConfig : public CDHCPState
+	{
+public:
+	CDHCPInformationConfig(CDHCPStateMachine& aDHCP) :
+		CDHCPState(aDHCP)
+		{
+		}
+	//create msg sends it off & initiates receive
+	virtual CAsynchEvent* ProcessL(TRequestStatus& aStatus);
+	};
+
+class CDHCPRequest : public CDHCPState
+	{
+public:
+	CDHCPRequest(CDHCPStateMachine& aDHCP) :
+		CDHCPState(aDHCP)
+		{
+		}
+	virtual CAsynchEvent* ProcessL( TRequestStatus& aStatus );
+	};
+
+class CDHCPWaitForDADBind : public CDHCPState, public MExpireTimer
+	{//uses RSocket::Bind to validate DAD
+public:
+	CDHCPWaitForDADBind(CDHCPStateMachine& aDHCP) :
+		CDHCPState(aDHCP)
+		{
+		}
+	virtual void TimerExpired();
+
+	//starts bind timer
+	virtual CAsynchEvent* ProcessL(TRequestStatus& aStatus);
+	
+	virtual void Cancel();
+protected:
+	TTime iBoundAt;
+	TInt iErr;
+	};
+
+#if 0
+class CDHCPWaitForDADIPNotifier : public CDHCPState, public CSubscribeChannel, public MExpireTimer
+	{//uses public&subscribe (IPEventNotifier component) to validate DAD
+public:
+	CDHCPWaitForDADIPNotifier(CDHCPStateMachine& aDHCP) :
+		CDHCPState(aDHCP)
+		{
+		}
+	virtual void TimerExpired();
+
+protected:
+	TTime iBoundAt;
+	};
+#endif
+
+class CDHCPRenew : public CDHCPState
+	{
+public:
+	CDHCPRenew(CDHCPStateMachine& aDHCP) : CDHCPState(aDHCP)
+		{
+		}
+	//   ACK received => continue with next state (Bound)
+	virtual CAsynchEvent* ProcessL(TRequestStatus& aStatus);
+	};
+
+class CDHCPRebind : public CDHCPState
+	{
+public:
+	CDHCPRebind(CDHCPStateMachine& aDHCP) : CDHCPState(aDHCP)
+		{
+		}
+	//   ACK received => continue with next state (Bound)
+	virtual CAsynchEvent* ProcessL(TRequestStatus& aStatus);
+	};
+
+class CDHCPRelease : public CDHCPState
+	{
+public:
+	CDHCPRelease(CDHCPStateMachine& aDHCP) :
+		CDHCPState(aDHCP)
+		{
+		}
+	//create msg sends it off
+	virtual CAsynchEvent* ProcessL(TRequestStatus& aStatus);
+	};
+
+
+
+class CDHCPDecline : public CDHCPState
+	{
+public:
+	CDHCPDecline(CDHCPStateMachine& aDHCP) :
+		CDHCPState(aDHCP)
+		{
+		}
+	//create msg sends it off
+	virtual CAsynchEvent* ProcessL(TRequestStatus& aStatus);
+	};
+
+#ifdef SYMBIAN_NETWORKING_DHCPSERVER
+class CDHCPWaitForClientMsgs : public CDHCPState
+	{
+public:
+	CDHCPWaitForClientMsgs(CDHCPStateMachine& aDHCP) :
+		CDHCPState(aDHCP)
+		{
+		}
+	//create msg sends it off
+	virtual CAsynchEvent* ProcessL(TRequestStatus& aStatus);
+	};
+	
+class CDHCPHandleClientMsgs : public CDHCPState
+	{
+public:
+	CDHCPHandleClientMsgs(CDHCPStateMachine& aDHCP) :
+		CDHCPState(aDHCP)
+		{
+		}
+	//create msg sends it off
+	virtual CAsynchEvent* ProcessL(TRequestStatus& aStatus);
+	};	
+
+class CDHCPHandleDiscover : public CDHCPState
+	{
+public:
+	CDHCPHandleDiscover(CDHCPStateMachine& aDHCP) :
+		CDHCPState(aDHCP)
+		{
+		}
+	//create msg sends it off
+	virtual CAsynchEvent* ProcessL(TRequestStatus& aStatus);
+	};
+	
+class CDHCPProvideOffer : public CDHCPState
+	{
+public:
+	CDHCPProvideOffer(CDHCPStateMachine& aDHCP) :
+		CDHCPState(aDHCP)
+		{
+		}
+	//create msg sends it off
+	virtual CAsynchEvent* ProcessL(TRequestStatus& aStatus);
+	};
+	
+class CDHCPSendRequestResponse : public CDHCPState
+	{
+public:
+	CDHCPSendRequestResponse(CDHCPStateMachine& aDHCP) :
+		CDHCPState(aDHCP)
+		{
+		}
+	//create msg sends it off
+	virtual CAsynchEvent* ProcessL(TRequestStatus& aStatus);
+	};
+	
+	
+class CDHCPSendInformResponse : public CDHCPState
+	{
+public:
+	CDHCPSendInformResponse(CDHCPStateMachine& aDHCP) :
+		CDHCPState(aDHCP)
+		{
+		}
+	//create msg sends it off
+	virtual CAsynchEvent* ProcessL(TRequestStatus& aStatus);
+	};						
+
+class CDHCPHandleDecline : public CDHCPState
+	{
+public:
+	CDHCPHandleDecline(CDHCPStateMachine& aDHCP) :
+		CDHCPState(aDHCP)
+		{
+		}
+	//create msg sends it off
+	virtual CAsynchEvent* ProcessL(TRequestStatus& aStatus);
+	};						
+	
+class CDHCPHandleRelease : public CDHCPState
+	{
+public:
+	CDHCPHandleRelease(CDHCPStateMachine& aDHCP) :
+		CDHCPState(aDHCP)
+		{
+		}
+	//create msg sends it off
+	virtual CAsynchEvent* ProcessL(TRequestStatus& aStatus);
+	};						
+	
+// To implement a timer for server socket to bind with server IP address	
+class CDHCPBindServer : public CDHCPState, public MExpireTimer
+	{
+public:
+	CDHCPBindServer(CDHCPStateMachine& aDHCP) :
+		CDHCPState(aDHCP)
+		{
+		}
+	virtual void TimerExpired();
+
+	//starts bind timer
+	virtual CAsynchEvent* ProcessL(TRequestStatus& aStatus);
+	
+	virtual void Cancel();
+protected:
+	TInt iErr;
+	};	
+	
+#endif // SYMBIAN_NETWORKING_DHCPSERVER
+	
+#endif