tcpiputils/dhcp/src/DHCPStateMachine.cpp
author Pat Downey <patd@symbian.org>
Wed, 01 Sep 2010 12:33:58 +0100
branchRCL_3
changeset 58 8d540f55e491
parent 57 abbed5a4b42a
child 75 c1029e558ef5
permissions -rw-r--r--
Revert incorrect RCL_3 drop: Revision: 201035 Kit: 201035
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// Copyright (c) 2004-2009 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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// Implements the DHCP statemachine helper functions
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// 
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//
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/**
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 @file DHCPStateMachine.cpp
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 @internalTechnology
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*/
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#include "DHCPStates.h"
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#include "DHCPStatesDebug.h"
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#include "DHCPControl.h"
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#include "ExpireTimer.h"
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#include "DHCPMsg.h"
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#include <e32math.h>
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#include "DHCPServer.h"
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#include "in6_opt.h"
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#include "es_sock.h"
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CDHCPStateMachine::~CDHCPStateMachine()
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/**
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  * Destructor of the If base class
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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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	__CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPStateMachine::~CDHCPStateMachine")));
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	Cancel();
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	UnloadConfigurationFile();
0
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	delete iDhcpMessage;
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	delete iMessageSender;
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	delete iTimer;
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	delete iHostName;
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	delete iDomainName;
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#ifdef SYMBIAN_NETWORKING_DHCP_MSG_HEADERS
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	iSavedExtraParameters.Close();
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#endif //SYMBIAN_NETWORKING_DHCP_MSG_HEADERS	
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	iClientId.Close();
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	iSocket.Close();
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#ifdef SYMBIAN_NETWORKING_DHCPSERVER	
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	iSvrSocket.Close();
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	delete iDNSInformation;
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#endif // SYMBIAN_NETWORKING_DHCPSERVER	
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	}
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void CDHCPStateMachine::ConstructL()
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/**
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  * Creates socket and connections for the object
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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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	__CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPStateMachine::ConstructL")));
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	LoadConfigurationFile();
0
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#ifdef _DEBUG
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	// let's set debug properties to something
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	//  so they can be read immediately..
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	CDHCPStateMachine* const & iStateMachine = this;
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	CDHCPStateMachine* const & iDhcpStateMachine = iStateMachine;
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	DHCP_DEBUG_PUBLISH_READY(DHCPDebug::ENotReady);
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	DHCP_DEBUG_PUBLISH_STATE(DHCPDebug::EStateUnknown);
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#endif
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	iTimer = CExpireTimer::NewL();
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#ifdef SYMBIAN_NETWORKING_DHCPSERVER	
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	if(!iServerImpl) // Assemble client Ids only for DHCP client implementation
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		{
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#endif // SYMBIAN_NETWORKING_DHCPSERVER	
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	InitialiseSocketL();
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	AssembleClientIDsL();
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#ifdef SYMBIAN_NETWORKING_DHCPSERVER	
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		}
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	else
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		InitialiseServerSocketL();
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#endif // SYMBIAN_NETWORKING_DHCPSERVER			
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	}
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void CDHCPStateMachine::Start(MStateMachineNotify* aStateMachineNotify)
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/**
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  * The Start function
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  *
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  * Starts the statemachine task
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  *
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  * @internalTechnology
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  */
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{
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   SetLastError( KErrNone );
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   iReceiving = EFalse;
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   iHistory = 0;
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	SetActiveEvent(iFirstState);
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	if ( !aStateMachineNotify )
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		{//no notifier specified => leave the current one unchanged
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		aStateMachineNotify = iStateMachineNotify;
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		}
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	CStateMachine::Start(NULL, NULL, aStateMachineNotify);
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}
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void CDHCPStateMachine::CloseNSendMsgL(TRequestStatus& aStatus, CDHCPStateMachine::EAddressType aEAddressType)
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/**
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  * Handles sending of packets for this object
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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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	__CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPStateMachine::CloseNSendMsgL")));
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   	PrepareToSendL(aEAddressType);
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  	iMessageSender->Cancel();
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   125
	
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	GetServerAddress(iSocketAddr);
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	AddScopeToAddrL(iSocketAddr);
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   128
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#ifdef _DEBUG
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	THostName addrDes;
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	iSocketAddr.Output(addrDes);	
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	__CFLOG_VAR((KLogSubSysDHCP, KLogCode, 
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		_L("CDHCPStateMachine::CloseNSendMsgL - Sending message to %S%%%d"), &addrDes, iSocketAddr.Scope()));
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#endif
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   135
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	iSocket.SendTo(iDhcpMessage->Message(), iSocketAddr, 0, aStatus);
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	}
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   138
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#ifdef SYMBIAN_NETWORKING_DHCPSERVER
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void CDHCPStateMachine::CloseNSendServerMsgL(TRequestStatus& aStatus, CDHCPStateMachine::EAddressType aEAddressType)
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/**
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  * Handles sending of packets for this object
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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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	__CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPStateMachine::CloseNSendMsgL")));
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   149
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   150
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   	PrepareToSendServerMsgL(aEAddressType);
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  	iMessageSender->Cancel();
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   153
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	GetClientAddress(iSrvSocketAddr);
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	AddScopeToClientAddrL(iSrvSocketAddr);
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   156
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#ifdef _DEBUG
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	THostName addrDes;
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	iSrvSocketAddr.Output(addrDes);	
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	__CFLOG_VAR((KLogSubSysDHCP, KLogCode, 
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		_L("CDHCPStateMachine::CloseNSendServerMsgL - Sending message to %S%%%d"), &addrDes, iSrvSocketAddr.Scope()));
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#endif
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   163
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	iSvrSocket.SendTo(iDhcpMessage->Message(), iSrvSocketAddr, 0, aStatus);
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	}
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   166
	
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void CDHCPStateMachine::GetClientAddress( TInetAddr& /*aAddress*/ )
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/**
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  * GetClientAddress
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  *
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  * Null implementation
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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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   177
	
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#ifdef SYMBIAN_DNS_PROXY	
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TInetAddr CDHCPStateMachine::GetListenerAddress()
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	{
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	return iCurrentAddress;
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	}
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#endif
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   184
		
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void CDHCPStateMachine::InitServerStateMachineL(MStateMachineNotify* /*aStateMachineNotify*/)
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/**
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  * InitServerStateMachineL
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  *
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  * Null implementation
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  *
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  * @internalTechnology
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   192
  */
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	{
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	}	
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   195
	
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void CDHCPStateMachine::InitServerBinding(MStateMachineNotify* /*aStateMachineNotify*/)		
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	{
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	}
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   200
	
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#endif // SYMBIAN_NETWORKING_DHCPSERVER
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void CDHCPStateMachine::CloseNSendMsgL(TTimeIntervalSeconds aSecs, TInt aMaxRetryCount, CDHCPStateMachine::EAddressType aEAddressType)
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/**
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  * Handles sending of packets for this object
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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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	__CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPStateMachine::CloseNSendMsgL")));
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   	PrepareToSendL(aEAddressType);
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	iMessageSender->Cancel();
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   214
	
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	TInetAddr addr;		
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	GetServerAddress( addr );
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	AddScopeToAddrL(addr);
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   218
	
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   219
#ifdef _DEBUG
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	THostName addrDes;
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	addr.Output(addrDes);	
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	__CFLOG_VAR((KLogSubSysDHCP, KLogCode, 
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		_L("CDHCPStateMachine::CloseNSendMsgL - Sending message to %S%%%d"), &addrDes, addr.Scope()));
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   224
#endif
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   225
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	if (FastTimeoutDuringInform())	// true only when InformNegotiationIsRequiredForConnectionStartCompletion is ETrue
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		{
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		iMessageSender->SendL(addr, iDhcpMessage->Message(), (aSecs.Int() * KMicrosecondsInSecs) / 14, aMaxRetryCount);
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		}
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	else
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		{
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		iMessageSender->SendL(addr, iDhcpMessage->Message(), aSecs.Int() * KMicrosecondsInSecs, aMaxRetryCount);	
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		}
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	}
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TInt CDHCPStateMachine::MSReportError(TInt aError)
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/**
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  * Report an error properly
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   239
  *
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  * @internalTechnology
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  */
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	{
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	Cancel();
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	SetLastError(aError);
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	OnCompletion();
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	return aError;
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   249
	}
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   250
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   251
void CDHCPStateMachine::Cancel()
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/**
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  * Cancel the state machine's activities
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  *
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  * @internalTechnology
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  */
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   257
	{
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   258
	__CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPStateMachine::Cancel")));
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	CancelMessageSender();
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	iSocket.Close();
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   261
#ifdef SYMBIAN_NETWORKING_DHCPSERVER	
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	iSvrSocket.Close();
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   263
#endif // SYMBIAN_NETWORKING_DHCPSERVER	
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	CancelTimer();
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   265
	CStateMachine::Cancel(KErrNone);
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   266
	delete iFirstState;
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   267
	iFirstState = NULL;
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   268
	iFastTimeout = EFalse;	// reset iFastTimeout
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   269
	iMaxRetryCount = KInfinity;//reset
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   270
	}
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   271
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   272
void CDHCPStateMachine::DoCancel()
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   273
/**
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  * Implements a default docancel for the connection object
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  *
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   276
  * @internalTechnology
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  */
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   278
	{
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	// we have to cancel send and recv independently as cancelAll()
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	// doesn't satisfy us, only supporting read, write, ioctl, connect,
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	// accept and shutdown...:-(
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	__CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPStateMachine::DoCancel")));
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	if (iSocket.SubSessionHandle())
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   284
		{
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		// check that the socket is open
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		// and if it is then we need to cancel things on it
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		iSocket.CancelRecv();
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   288
		}
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   289
#ifdef SYMBIAN_NETWORKING_DHCPSERVER		
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   290
	if(iSvrSocket.SubSessionHandle())
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   291
		{
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   292
		iSvrSocket.CancelRecv();
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   293
		}
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   294
#endif // SYMBIAN_NETWORKING_DHCPSERVER		
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   295
	/*	iAsyncCancelHandler is set by the DHCP State that assumes ownership of the 
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   296
		RequestStatus object of CDHCPStateMachine 				 
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   297
	*/
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   298
	 if(iAsyncCancelHandler)
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   299
		{
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   300
		iAsyncCancelHandler->Cancel();
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   301
		}
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   302
	}
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parents:
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   303
#ifdef SYMBIAN_NETWORKING_DHCPSERVER
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   304
void CDHCPStateMachine::FetchServerAddressL()
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diff changeset
   305
/**
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parents:
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   306
  * This function is used to get the server's address (interface address)
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parents:
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   307
  *
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parents:
diff changeset
   308
  */
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parents:
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   309
	{
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   310
	if(!iSvrSocket.SubSessionHandle())
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   311
		InitialiseServerSocketL();
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parents:
diff changeset
   312
	
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   313
	TPckgBuf<TSoInetInterfaceInfo> opt;
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parents:
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   314
	while (iSvrSocket.GetOpt(KSoInetNextInterface, KSolInetIfCtrl, opt) == KErrNone)
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parents:
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   315
		{
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parents:
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   316
		if (opt().iName == iInterfaceName)
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parents:
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   317
			{
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parents:
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   318
			iCurrentAddress = opt().iAddress;
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parents:
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   319
			break;
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parents:
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   320
			}
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parents:
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   321
		}
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parents:
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   322
   }
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parents:
diff changeset
   323
   
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parents:
diff changeset
   324
void CDHCPStateMachine::SetDNSInformation(TDes8* aDNSInfo)	
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parents:
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   325
	{
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parents:
diff changeset
   326
	delete iDNSInformation;
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parents:
diff changeset
   327
	iDNSInformation = NULL;
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parents:
diff changeset
   328
	
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   329
	iDNSInformation = HBufC8::NewL(aDNSInfo->Length());
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parents:
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   330
	iDNSInformation->Des() = *aDNSInfo;
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parents:
diff changeset
   331
	}   
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parents:
diff changeset
   332
	
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parents:
diff changeset
   333
TBool CDHCPStateMachine::CheckNetworkId()
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parents:
diff changeset
   334
/**
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parents:
diff changeset
   335
  * This function compares the NetworkIds of the client and server
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parents:
diff changeset
   336
  *
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parents:
diff changeset
   337
  */	
af10295192d8 Revision: 201004
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parents:
diff changeset
   338
	{
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parents:
diff changeset
   339
	iInformClientAddr.SetV4MappedAddress(iCiaddr);
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parents:
diff changeset
   340
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parents:
diff changeset
   341
	if ((iInformClientAddr.Address() & KInetAddrNetMaskC) == 
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   342
			(iCurrentAddress.Address() & KInetAddrNetMaskC))		
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parents:
diff changeset
   343
		{
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parents:
diff changeset
   344
		return ETrue;		
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parents:
diff changeset
   345
		}
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parents:
diff changeset
   346
	else
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parents:
diff changeset
   347
		{
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parents:
diff changeset
   348
		return EFalse;
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parents:
diff changeset
   349
		}	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   350
	}   
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
#endif // SYMBIAN_NETWORKING_DHCPSERVER
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
void CDHCPStateMachine::FetchHWAddress()
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354
/**
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
  * Fetches hardware address from the interface
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   356
  *
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
  */
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
	TPckgBuf<TSoInetInterfaceInfo> opt;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
	while (iSocket.GetOpt(KSoInetNextInterface, KSolInetIfCtrl, opt) == KErrNone)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   361
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
		if (opt().iName == iInterfaceName)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
			iHardwareAddr = opt().iHwAddr;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
			if(iHardwareAddr.Length() <= KHwAddrOffset)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
				// the hardware address came back too short
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
   		 		//  to be a valid TSockAddr.. so we'll treat it as an empty value
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
				iHardwareAddr.SetFamily(KAFUnspec);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
				iHardwareAddr.SetLength(KHwAddrOffset);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
			break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
   }
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
void CDHCPStateMachine::StartTimer(TTimeIntervalSeconds aSeconds, MExpireTimer& aExpireTimer)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
/**
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
  * Give the tcp/ip6 stack time to perform
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
  * its gratuitous ARP...
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
  *
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
  * @internalTechnology
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
  */
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
	CancelTimer();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
	__CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPStateMachine::StartTimerL")));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
	iTimer->After(aSeconds, aExpireTimer);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
void CDHCPStateMachine::StartTimer( TTimeIntervalMicroSeconds32 aMicroSeconds, MExpireTimer& aExpireTimer)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
/**
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
  * Give the tcp/ip6 stack time to perform
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
  * its gratuitous ARP...
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
  *
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
  * @internalTechnology
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
  */
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
	CancelTimer();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
	__CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPStateMachine::StartTimerL")));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
	iTimer->After(aMicroSeconds, aExpireTimer);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
void CDHCPStateMachine::RemoveConfiguredAddress( const TSoInet6InterfaceInfo& aSoInet6InterfaceInfo )
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
/**
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
  * This function can be called as a result of DAD failing
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
  * or the lease expiring! It removes the address from the interface
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
  * inside the TCP/IP6 stack as the address cannot continue to be used.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
  *
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
  * @see "Implementation of IPv4/IPv6 Basic Socket API for Symbian OS"
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
  * document for explanation of TSoInet6InterfaceInfo and its use
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
  * @internalTechnology
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   415
  */
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
	__CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPStateMachine::RemoveConfiguredAddress")));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
	TPckgBuf<TSoInet6InterfaceInfo> configInfo(aSoInet6InterfaceInfo);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
	// not interested in error
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
	// how could we attempt to handle it anyway?...keep trying??? i think not...
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
	// ensure that we have a socket to write down	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
	iSocket.Close();	
27
4214adf9e0d3 Revision: 201023
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   424
	TInt error = iSocket.Open(iEsock, KAfInet, KSockDatagram, KProtocolInetUdp, iConnection);
4214adf9e0d3 Revision: 201023
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   425
	
58
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   426
    if(error == KErrNone)
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   427
		{
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   428
		error = iSocket.SetOpt(KSoInetConfigInterface, KSolInetIfCtrl, configInfo);
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   429
		if(error == KErrNone)
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   430
		    {	        
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   431
		    // make socket invisible for interface counting
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   432
		    error = iSocket.SetOpt(KSoKeepInterfaceUp, KSolInetIp, 0);
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   433
		    if(error != KErrNone)
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   434
		        {
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   435
		        __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L("CDHCPStateMachine::RemoveConfiguredAddress, SetOpt Failed to set KSolInetIp")));   
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   436
		        }
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   437
		    }
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   438
		else
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   439
		    {
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   440
		    __CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L("CDHCPStateMachine::RemoveConfiguredAddress,SetOpt Failed to set KsolInetIfCtrl")));   
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   441
		    }
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   442
		}
27
4214adf9e0d3 Revision: 201023
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   443
	else
58
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   444
		{
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   445
		__CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L("CDHCPStateMachine::RemoveConfiguredAddress,Socket Open Failed: Due to %d"),error));	
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   446
		}
0
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   447
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   448
58
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   449
void CDHCPStateMachine::ConfigureInterfaceL( const TSoInetInterfaceInfoExtnDnsSuffix& aInterfaceInfo )
0
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   450
/**
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   451
  * Set the interface IP address and other params
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   452
  * into the TCP/IP6 stack.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   453
  *
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   454
  * What we set depends on the setup
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   455
  * in commDB for the service.  If ipAddressFromServer
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   456
  * is true then we set the ip address that has
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   457
  * been assigned by DHCP, along with the netmask and gateway.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   458
  * If ipAddressFromServer is false, then we set the static ip
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   459
  * address as long as it has been okayed by the DHCP server after
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   460
  * we have sent an inform.  We will then set the netmask and gateway
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   461
  * choosing from those in commDB if they have been given values, or 
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   462
  * those returned in the DHCP Server ACK if a zero address is in commDB
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   463
  * The same principle applies to DNS Server addresses.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   464
  *
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   465
  * @internalTechnology
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   466
  */
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   467
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   468
	
58
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   469
	TPckgBuf<TSoInetInterfaceInfoExtnDnsSuffix> configInfo(aInterfaceInfo);
0
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   470
	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   471
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   472
	__CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPStateMachine::ConfigureInterfaceL - KSoInetConfigInterface")));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   473
	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   474
	User::LeaveIfError(iSocket.SetOpt(KSoInetConfigInterface, KSolInetIfCtrl, configInfo));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   475
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   476
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   477
TInt CDHCPStateMachine::BindToSource()
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   478
/**
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   479
  * Binds socket to newly assigned address for the interface
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   480
  *
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   481
  * @internalTechnology
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   482
  */
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   483
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   484
	__CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPStateMachine::BindToSourceL")));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   485
	iSocket.Close();	// destroy the old socket
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   486
	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   487
	UpdateHistory(CDHCPState::EBindToSource);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   488
	// now start a new one.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   489
	// might be nice if we left here if the socket open fails...but nobody's perfect...
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   490
   // PS: cannot leave here the failure doesn't mean exception here see the usage....
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   491
	TInt err = iSocket.Open(iEsock, KAfInet, KSockDatagram, KProtocolInetUdp, iConnection);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   492
	// make socket invisable for interface counting
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   493
	if (err == KErrNone)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   494
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   495
		err = iSocket.SetOpt(KSoKeepInterfaceUp, KSolInetIp, 0);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   496
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   497
		
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   498
    if (err == KErrNone)       //PDEF122482: Enabling the ReUseAddr option.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   499
	    {
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   500
	    err = iSocket.SetOpt(KSoReuseAddr, KSolInetIp, 1);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   501
	    }			
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   502
	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   503
	if (err == KErrNone)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   504
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   505
        TInetAddr bindTo;        
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   506
        AssignAddresses( bindTo, iCurrentAddress ); 
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   507
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   508
        err = iSocket.Bind(bindTo);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   509
        if (err==KErrNone)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   510
	        {
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   511
	        // we are finished with this socket, 
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   512
	        // release it so as not to hold esock open
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   513
	        iSocket.Close();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   514
	        }
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   515
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   516
	return err;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   517
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   518
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   519
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   520
TUint32 CDHCPStateMachine::GetNetworkIdL() const
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   521
	{	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   522
	TUint32 networkId;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   523
	_LIT(KIapNetwork, "IAP\\IAPNetwork");
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   524
	User::LeaveIfError(iConnection.GetIntSetting(KIapNetwork, networkId));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   525
	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   526
	return networkId;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   527
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   528
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   529
void CDHCPStateMachine::AddScopeToAddrL(TInetAddr& addr)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   530
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   531
	TPckgBuf<TSoInetIfQuery> queryBuf;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   532
	queryBuf().iName = iInterfaceName;		
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   533
	User::LeaveIfError(iSocket.GetOpt(KSoInetIfQueryByName, KSolInetIfQuery, queryBuf));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   534
	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   535
	const TUint s = addr.Ip6Address().Scope() - 1;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   536
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   537
	if (s < 16)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   538
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   539
		addr.SetScope(queryBuf().iZone[s]);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   540
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   541
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   542
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   543
#ifdef SYMBIAN_NETWORKING_DHCPSERVER
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   544
void CDHCPStateMachine::AddScopeToClientAddrL(TInetAddr& addr)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   545
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   546
	TPckgBuf<TSoInetIfQuery> queryBuf;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   547
	queryBuf().iName = iInterfaceName;		
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   548
	User::LeaveIfError(iSvrSocket.GetOpt(KSoInetIfQueryByName, KSolInetIfQuery, queryBuf));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   549
	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   550
	const TUint s = addr.Ip6Address().Scope() - 1;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   551
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   552
	if (s < 16)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   553
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   554
		addr.SetScope(queryBuf().iZone[s]);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   555
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   556
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   557
// Set when the DHCP server implementation is being used	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   558
void CDHCPStateMachine::SetServerState(TBool aServerImpl)	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   559
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   560
	iServerImpl = aServerImpl;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   561
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   562
	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   563
TInt CDHCPStateMachine::BindServerInterface()
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   564
/**
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   565
  * Binds socket to newly assigned address for the interface
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   566
  *
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   567
  * @internalTechnology
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   568
  */
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   569
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   570
	__CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L8("CDHCPStateMachine::BindServerInterface")));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   571
	iSvrSocket.Close();	// destroy the old socket
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   572
	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   573
	// now start a new one.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   574
	TInt err = iSvrSocket.Open(iEsock, KAfInet, KSockDatagram, KProtocolInetUdp, iConnection);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   575
	// make socket invisable for interface counting
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   576
	if (err == KErrNone)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   577
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   578
		TInt err = iSvrSocket.SetOpt(KSoKeepInterfaceUp, KSolInetIp, 0);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   579
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   580
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   581
	if (err == KErrNone)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   582
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   583
        TInetAddr bindTo;        
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   584
        AssignAddresses( bindTo, iCurrentAddress );
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   585
        err = iSvrSocket.Bind(bindTo);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   586
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   587
	return err;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   588
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   589
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   590
	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   591
TInetAddr CDHCPStateMachine::GetInterfaceServerGlobalAddress()
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   592
/**
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   593
  * Are any of the addresses on the interface global addresses?
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   594
  *  If so, DHCP might decide not to attempt to discover an address.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   595
  *
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   596
  * Returns unspecified address if no global address present.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   597
  */
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   598
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   599
	TPckgBuf<TSoInetInterfaceInfo> opt;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   600
	if (iSvrSocket.SubSessionHandle() == 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   601
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   602
		InitialiseServerSocketL();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   603
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   604
	iSvrSocket.SetOpt(KSoInetEnumInterfaces, KSolInetIfCtrl);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   605
	__CFLOG_STMT(TBuf<512> addrStr;);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   606
	while (iSvrSocket.GetOpt(KSoInetNextInterface, KSolInetIfCtrl, opt) == KErrNone)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   607
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   608
		if (opt().iName == iInterfaceName)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   609
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   610
			TInetAddr& addr = opt().iAddress;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   611
			__CFLOG_STMT(addr.Output(addrStr););
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   612
			if ( ! addr.IsLinkLocal())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   613
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   614
				__CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L("Global address %S found on interface %S"),&addrStr,&iInterfaceName));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   615
				return addr;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   616
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   617
			else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   618
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   619
				__CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L("Linklocal address %S found on interface %S"),&addrStr,&iInterfaceName));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   620
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   621
			break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   622
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   623
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   624
	return TInetAddr(); // unspecified
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   625
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   626
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   627
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   628
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   629
		
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   630
#endif // SYMBIAN_NETWORKING_DHCPSERVER
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   631
	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   632
TInetAddr CDHCPStateMachine::GetInterfaceGlobalAddress()
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   633
/**
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   634
  * Are any of the addresses on the interface global addresses?
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   635
  *  If so, DHCP might decide not to attempt to discover an address.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   636
  *
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   637
  * Returns unspecified address if no global address present.
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   638
  */
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   639
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   640
#ifdef SYMBIAN_NETWORKING_DHCPSERVER	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   641
	if(iServerImpl)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   642
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   643
		return GetInterfaceServerGlobalAddress();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   644
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   645
	else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   646
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   647
#endif // SYMBIAN_NETWORKING_DHCPSERVER	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   648
	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   649
	TPckgBuf<TSoInetInterfaceInfo> opt;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   650
	if (iSocket.SubSessionHandle() == 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   651
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   652
		InitialiseSocketL();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   653
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   654
	iSocket.SetOpt(KSoInetEnumInterfaces, KSolInetIfCtrl);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   655
	__CFLOG_STMT(TBuf<512> addrStr;);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   656
	while (iSocket.GetOpt(KSoInetNextInterface, KSolInetIfCtrl, opt) == KErrNone)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   657
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   658
		if (opt().iName == iInterfaceName)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   659
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   660
			TInetAddr& addr = opt().iAddress;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   661
			__CFLOG_STMT(addr.Output(addrStr););
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   662
			if ( ! addr.IsLinkLocal())
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   663
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   664
				__CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L("Global address %S found on interface %S"),&addrStr,&iInterfaceName));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   665
				return addr;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   666
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   667
			else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   668
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   669
				__CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L("Linklocal address %S found on interface %S"),&addrStr,&iInterfaceName));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   670
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   671
			break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   672
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   673
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   674
	return TInetAddr(); // unspecified
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   675
	
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   676
#ifdef SYMBIAN_NETWORKING_DHCPSERVER
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   677
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   678
#endif // SYMBIAN_NETWORKING_DHCPSERVER				
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   679
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   680
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   681
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   682
TBool CDHCPStateMachine::DoesInterfaceKnowAnyDNSServers()
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   683
/**
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   684
  * Does the interface know of any DNS servers?
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   685
  */
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   686
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   687
	TPckgBuf<TSoInetInterfaceInfo> opt;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   688
	if (iSocket.SubSessionHandle() == 0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   689
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   690
		InitialiseSocketL();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   691
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   692
	iSocket.SetOpt(KSoInetEnumInterfaces, KSolInetIfCtrl);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   693
	__CFLOG_STMT(TBuf<512> addrStr;);
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   694
	while (iSocket.GetOpt(KSoInetNextInterface, KSolInetIfCtrl, opt) == KErrNone)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   695
		{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   696
		if (opt().iName == iInterfaceName)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   697
			{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   698
			TInetAddr& addr = opt().iNameSer1;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   699
			__CFLOG_STMT(addr.Output(addrStr););
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   700
			if ( ! addr.IsUnspecified() )
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   701
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   702
				__CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L("DNS server %S found on interface %S"),&addrStr,&iInterfaceName));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   703
				return ETrue;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   704
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   705
			else
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   706
				{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   707
				__CFLOG_VAR((KLogSubSysDHCP, KLogCode, _L("No DNS servers already set on interface %S (prior to DHCP)"),&iInterfaceName));
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   708
				}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   709
			break;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   710
			}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   711
		}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   712
	return EFalse;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   713
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   714
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   715
58
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   716
/** 
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   717
  * @name LoadConfigurationFile
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   718
  *			Opens up the dhcp.ini file and reads the content on to a heap buffer
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   719
  * @return - ETrue if the dhcp.ini is successfully parsed to the buffer, EFalse otherwise
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   720
  *
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   721
  * @internalTechnology
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   722
  */
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   723
TBool CDHCPStateMachine::LoadConfigurationFile()
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   724
    {
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   725
    TRAP_IGNORE(iConfig = CESockIniData::NewL(DHCP_INI_DATA));
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   726
    return (iConfig != NULL);
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   727
    }
0
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   728
58
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   729
/**
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   730
  * @name UnloadConfigurationFile 
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   731
  *			Frees up memory allocated for reading dhcp.ini file
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   732
  *
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   733
  * @internalTechnology
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   734
  */
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   735
void CDHCPStateMachine::UnloadConfigurationFile()
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   736
    {
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   737
    if (iConfig)
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   738
        {
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   739
        delete iConfig;
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   740
        iConfig = NULL;
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   741
        }
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   742
    }
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   743
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   744
/**
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   745
 * @name IniRead
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   746
 *          General ini file read utility. Makes use of CESockIniData object for parsing
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   747
 *          
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   748
 * @param   aOptionName   Key name within ini file whose value need to be parsed
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   749
 * @param   aOptionValue    Buffer reference to store the parsed output
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   750
 * 
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   751
 * @return  TInt error values as approriate from the ini parsing framework
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   752
 *          
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   753
 * @internalTechnology
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   754
 */
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   755
TInt CDHCPStateMachine::IniRead(const TDesC& aOptionName, TDes8& aOptionValue)
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   756
    {
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   757
    TPtrC iniValue;
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   758
    TBool iniParsed = iConfig->FindVar(KDhcpSection, aOptionName, iniValue);
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   759
    if (!iniParsed)
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   760
        return KErrNotFound;
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   761
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   762
    if(aOptionName.CompareF(KDhcpExtraOptions) == KErrNone)
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   763
        {
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   764
        TLex iniLex(iniValue);
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   765
        TChar ch;
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   766
        
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   767
        while((ch = iniLex.Get()) != 0)
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   768
            {
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   769
            while ((ch = iniLex.Peek()) != ',')
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   770
                iniLex.Inc();
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   771
            TLex token(iniLex.MarkedToken());
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   772
            
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   773
            TUint8 opCode(0);
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   774
            token.Val(opCode,EDecimal);
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   775
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   776
            if ( (opCode > 0) && (opCode < KOpCodeOutOfBounds) )
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   777
                aOptionValue.Append(opCode);
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   778
            
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   779
            iniLex.Inc();
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   780
            iniLex.Mark();
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   781
            }
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   782
        return KErrNone;
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   783
        }
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   784
    else
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   785
        return KErrNotFound;
8d540f55e491 Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 57
diff changeset
   786
    }
0
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   787
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   788
TDhcpRnd::TDhcpRnd():iXid(0)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   789
/**
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   790
  * Constructor for this little random number 
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   791
  * class that creates us a random transaction id
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   792
  *
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   793
  * @internalTechnology
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   794
  */
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   795
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   796
	TTime now;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   797
	now.HomeTime();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   798
	iSeed = now.Int64();
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   799
	}
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   800
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   801
TInt TDhcpRnd::Rnd(TInt aMin, TInt aMax)
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   802
/**
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   803
  * Utility class function to generated a real
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   804
  * random number
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   805
  *
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   806
  * @internalTechnology
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   807
  */
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   808
	{
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   809
	return Math::Rand(iSeed)%(aMax-aMin+1)+aMin;
af10295192d8 Revision: 201004
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   810
	}