tcpiputils/dhcp/include/DHCPControl.h
author William Roberts <williamr@symbian.org>
Wed, 10 Nov 2010 13:36:07 +0000
branchRCL_3
changeset 79 4b172931a477
parent 0 af10295192d8
permissions -rw-r--r--
Make configchange.pl run ceddump.exe with -dtextshell - Bug 3932
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// The DHCP Control header file
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// 
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//
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/**
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 @file DHCPControl.h
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*/
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#ifndef DHCPCONTROL_H
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#define DHCPCONTROL_H
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#include <e32base.h>
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#include <es_enum.h>
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#include <comms-infras/statemachine.h>
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#include "ExpireTimer.h"
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#ifdef SYMBIAN_NETWORKING_PLATSEC
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#include <comms-infras/rconfigdaemonmess.h>
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#else
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#include <comms-infras/cs_daemonmess.h>
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#endif
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class CDHCPStateMachine;
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class CDHCPDb;
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class CDHCPConfigListener;
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#ifdef SYMBIAN_NETWORKING_ADDRESS_PROVISION
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class CDhcpHwAddrManager;
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#endif //SYMBIAN_NETWORKING_ADDRESS_PROVISION
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class CDHCPControl : public CBase, public MStateMachineNotify, public MExpireTimer
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/**
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  * Base class for DHCP control
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  * 
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  *
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  * @internalTechnology
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  *
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  */
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	{
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public:
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	virtual ~CDHCPControl();
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	virtual void ConfigureL(const TConnectionInfo& aInfo, const RMessage2* aMessage);
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	virtual void Cancel();
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	void HandleClientRequestL(const RMessage2& aMessage);	
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	virtual TBool OnCompletion(CStateMachine* aStateMachine); 
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	virtual void TimerExpired();	//timer callback
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	virtual void LinkLocalCreated()	{}
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public:
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	enum TConfigType
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		{
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		EConfigToBeDecided,
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		EConfigIPAddress,
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		EConfigNoIPAddress
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		};
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protected:
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	CDHCPControl(RSocketServ& aEsock,TConfigType aConfigType) :
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		 iEsock(aEsock),
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       iState(EStart),
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		 iConfigType( aConfigType )
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			 {
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			 }
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	virtual TInt HandleClientRequestL(TUint aName, TDes8* aDes);
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	virtual TInt HandleClientRequestL(TUint aName);	
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	virtual TInt HandleClientRequestL(TUint aName, TInt aValue);
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	void SaveAndHandleClientRequestL(const RMessage2& aMessage,TUint aOptionName,TInt aValue = 0);	 
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	void HandleInterfaceDebugL(const RMessage2& aMessage);
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	virtual void TaskCompleteL(TInt aError);
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	virtual void HandleGetRawOptionDataL(TDes8* aDes) = 0;
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	virtual void HandleGetSipServerAddrL(TDes8* aDes) = 0;
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	virtual void HandleGetSipServerDomainL(TDes8* aDes) = 0;
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#ifdef SYMBIAN_TCPIPDHCP_UPDATE
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	virtual void HandleGetDomainSearchListL(TDes8* /* aDes */){};
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	virtual void HandleGetDNSServerListL(TDes8* /*aDes */){};
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#endif //SYMBIAN_TCPIPDHCP_UPDATE
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#ifdef SYMBIAN_NETWORKING_DHCP_MSG_HEADERS
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	virtual void HandleGetMultipleParamsL(TDes8& aDesc)=0;
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	virtual void HandleGetTftpServerAddrL(TDes8& aDes)=0 ;
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	virtual void HandleGetTftpServerNameL(TDes8& aDes)=0 ;
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	virtual	TInt InformCompleteRequestHandlerL()=0;
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	virtual void GetDhcpHdrSiaddrL(TDes8& aNxtAddress)=0;
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	virtual void GetDhcpHdrSnameL(TDes8& aHdrSvrName)=0;
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#endif // SYMBIAN_NETWORKING_DHCP_MSG_HEADERS
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	void FindInterfaceNameL(const TConnectionInfo& aInfo, TInt aFamily);
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	TBool InformNegotiationIsRequiredForConnectionStartCompletion(void) const;
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	virtual TBool ShouldInformAfterFailedInit();
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	TBool CompleteClientMessage(TInt aError, TInt aFunctionToCancel = -1);
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	TBool CompleteClientIoctlMessage(TInt aError) {return CompleteClientMessage(aError, EConfigDaemonIoctl);}
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	TBool CompleteClientConfigureMessage(TInt aError) {return CompleteClientMessage(aError, EConfigDaemonConfigure);}
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#ifdef SYMBIAN_NETWORKING_DHCPSERVER	
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	TBool CompleteServerConfigureMessage(TInt aError) {return CompleteClientMessage(aError, EConfigDaemonConfigure);}
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	TBool CompleteServerIoctlMessage(TInt aError) {return CompleteClientMessage(aError, EConfigDaemonIoctl);}
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	virtual void HandleSetRawOptionCodeL(TDes8* aDes);
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	void ServiceAnyOutstandingServerIoctlL();
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#endif // SYMBIAN_NETWORKING_DHCPSERVER	
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	void ServiceAnyOutstandingIoctlL();
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  	void UpdateDns(TDesC8* aHostName, TDesC8* aDomainName);
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	void ConfigureL( TBool aStaticAddress );
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   	virtual void BindingFinishedL();
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   	void SaveMessageBufferForLaterReference();
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protected:
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	CDHCPStateMachine* iDhcpStateMachine;	// owns (created by subclass)
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	const RMessage2* iMessage;
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	RSocketServ& iEsock;
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	RConnection iConnection;
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	TName iInterfaceName;
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	CDHCPDb* iDhcpDb; //owns (created by subclass)
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	CDHCPConfigListener* iDhcpConfigListener; // owns
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#ifdef SYMBIAN_NETWORKING_ADDRESS_PROVISION
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	CDhcpHwAddrManager* iDhcpHwAddrManager; //owns (created by subclass)
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#endif //SYMBIAN_NETWORKING_ADDRESS_PROVISION
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protected:
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	CExpireTimer* iTimer;   // owns
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	enum TState
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		{
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		EStart,
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		EInitInProgress,
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		EInitialised,
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		ERenewInProgress,
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		ERebindInProgress,
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		EDeclineInProgress,
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		EReleaseInProgress,
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		EInformInProgress,
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		EDeferredInform, // awaiting an ioctl call to trigger an inform negotiation
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		EReconfigureInProgress,
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		EDeclineInitialisedInProgress,
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		EEnd
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		};
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	TState iState;
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	TBool iInitStartedByRenew;
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	TBool iDhcpDaemonDeregister; // to decide RemoveConfigureAddress not to be called while completion of DHCPREL msg
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	TConfigType iConfigType;
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	RBuf8 iValidMsg; //to save msg buffer in case user wants to retrieve any info
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#ifdef SYMBIAN_NETWORKING_DHCPSERVER
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	HBufC8* iDNSRawOption;
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public:
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	TBool iDHCPServerImpl;
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#endif // SYMBIAN_NETWORKING_DHCPSERVER		
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	};
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#endif
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