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// Copyright (c) 2002-2009 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 the License "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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// tunnelnif.cpp
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//
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//
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#include <es_mbuf.h>
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//#include <flogger.h>
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#include <agenterrors.h>
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//#include "tunnelnifvar.h"
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#include "winsockBinders.h"
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#include <comms-infras/es_protbinder.h>
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//#include "TunnelAgentHandler.h"
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#include <comms-infras/commsdebugutility.h>
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/*
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* This sections defines a whole load of constants etc... not very exciting
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*/
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#if defined (_DEBUG)
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#define LOG(a) a
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_LIT(KTunnelIfLogFolder, "Winsock");
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_LIT(KTunnelIfLogFile, "Winsock");
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#else
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#define LOG(a)
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#endif
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const TUint KConnNifConfig = (1 | KConnReadUserDataBit);
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CWinsockNcp::CWinsockNcp(CWinsockFlow& aFlow)
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: iFlow(&aFlow)
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{
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}
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//
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// from ESock::MLowerControl
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//
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TInt CWinsockNcp::GetName(TDes& aName)
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/**
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Return binder name.
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Called from upper layer.
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@param aName return descriptor filled in with binder name
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*/
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{
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aName.Copy(Info()->iIfName); // Need to Written for Winsock Interface name
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return KErrNone;
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}
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TInt CWinsockNcp::BlockFlow(MLowerControl::TBlockOption /*aOption*/)
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{
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return KErrNotSupported;
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}
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//
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// Utility functions called from CTunnelFlow
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//
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MLowerDataSender* CWinsockNcp::Bind(MUpperDataReceiver* aUpperReceiver, MUpperControl* aUpperControl)
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/**
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* Binds TCP/IP protocol to Flow
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*
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* @param aUpperReceiver A pointer to Upper layer Receive class
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* @param aUpperControl A pointer to Upper layer control class
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*/
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{
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// CWinsockNcpLog::Printf(_L("CWinsockNcp:\tBind()"));
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iUpperReceiver = aUpperReceiver;
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iUpperControl = aUpperControl;
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return this;
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}
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void CWinsockNcp::Unbind(MUpperDataReceiver* aUpperReceiver, MUpperControl* aUpperControl)
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{
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//CWinsockNcpLog::Printf(_L("CWinsockNcp:\tUnbind()"));
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(void)aUpperReceiver;
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(void)aUpperControl;
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ASSERT(aUpperReceiver == iUpperReceiver);
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ASSERT(aUpperControl == iUpperControl);
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iUpperReceiver = NULL;
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iUpperControl = NULL;
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}
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void CWinsockNcp::StartSending()
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/**
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* Indicates to the protocol layer that the NIF is ready to send packets.
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*
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* @param aProtocol A pointer to a protocol
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*/
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{
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//CWinsockNcpLog::Printf(_L("CWinsockNcp:\tStartSending()"));
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// Default implementation.
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// Uses iProtocol instead aProtocol.
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iUpperControl->StartSending();
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}
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TBool CWinsockNcp::MatchesUpperControl(const ESock::MUpperControl* aUpperControl)
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{
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return iUpperControl == aUpperControl;
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}
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MLowerDataSender::TSendResult CWinsockNcp::Send(RMBufChain& aPdu)
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{
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// CWinsockNcpLog::Printf(_L("Illegal CWinsockNcp::Send Called, Dropping packet"));
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aPdu.Free();
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return MLowerDataSender::ESendAccepted;
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}
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// ===================================================================================
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//
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// NCP4 specific functions
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//
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CWinsockNcp4::CWinsockNcp4(CWinsockFlow& aFlow)
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: CWinsockNcp(aFlow)
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{
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}
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CWinsockNcp4* CWinsockNcp4::ConstructL(CWinsockFlow& aFlow)
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{
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// CWinsockNcpLog::Printf(_L("CWinsockNcp4::ConstructL()"));
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CWinsockNcp4* self = new(ELeave) CWinsockNcp4(aFlow);
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CleanupStack::PushL(self);
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// CWinsockNcpLog::Printf(_L("CWinsockNcp4::ConstructL() - Created Nif %S"), &self->Info()->iIfName);
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CleanupStack::Pop(self);
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return self;
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}
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TInt CWinsockNcp4::GetConfig(TBinderConfig& aConfig)
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{
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TBinderConfig4* config = TBinderConfig::Cast<TBinderConfig4>(aConfig);
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if(config == NULL)
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{
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return KErrNotSupported;
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}
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config->iFamily = KAfInet; /* KAfInet - selects TBinderConfig4 */
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config->iInfo.iFeatures = KIfCanBroadcast | KIfCanMulticast; /* Feature flags */
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config->iInfo.iMtu = KWinsockMtu; /* Maximum transmission unit. */
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config->iInfo.iRMtu = KWinsockMtu; /* Maximum transmission unit for receiving. */
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config->iInfo.iSpeedMetric = 0; /* approximation of the interface speed in Kbps. */
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config->iNetMask.SetAddress(0); /* IP netmask. */
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config->iBrdAddr.SetAddress(0); /* IP broadcast address. */
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// do this only if we have a valid address
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if(iLocalAddress == 0)
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{
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TInetAddr unspec(KAFUnspec);
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config->iAddress = unspec;
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config->iDefGate = unspec;
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}
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else
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{
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config->iAddress.SetAddress(iLocalAddress); /* Interface IP address. */
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config->iDefGate.SetAddress(iLocalAddress); /* IP default gateway or peer address (if known). */
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config->iNameSer1 = iNameSer1; /* IP primary name server (if any). */
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config->iNameSer2 = iNameSer2; /* IP secondary name server (if any). */
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}
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return KErrNone;
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}
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TInt CWinsockNcp4::Control(TUint aLevel, TUint aName, TDes8& aOption)
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{
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CWinsockNcpLog::Printf(_L("CWinsockNcp4::Control(aLevel %x, aName %x, ...)"), aLevel, aName);
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if (aLevel == KCOLInterface)
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{
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if (aName == KConnNifConfig)
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{
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TInetIfConfig& opt = *(TInetIfConfig*)aOption.Ptr();
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iLocalAddress = opt.iAddress.Address();
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iNameSer1 = opt.iNameSer1;
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iNameSer2 = opt.iNameSer2;
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return KErrNone;
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}
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}
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return KErrNotSupported;
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}
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TInt CWinsockNcp4::Notification(TWinsockAgentMessage::TTunnelSetAddress& aMessage)
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{
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iLocalAddress = aMessage.iAddress.Address() ;
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iNameSer1 = aMessage.iNameSer1;
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iNameSer2 = aMessage.iNameSer2;
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if ( aMessage.iIsUpdate )
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{
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ASSERT(iUpperControl);
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iUpperControl->Error(KErrLinkConfigChanged);
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// iLink->Notify()->BinderLayerDown((CNifIfBase*)this, KErrLinkConfigChanged, MNifIfNotify::EReconnect);
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}
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return KErrNone;
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}
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// ===================================================================================
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//
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// NCP6 specific functions
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//
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CWinsockNcp6::CWinsockNcp6(CWinsockFlow& aFlow)
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: CWinsockNcp(aFlow)
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{
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}
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CWinsockNcp6* CWinsockNcp6::ConstructL(CWinsockFlow& aLink)
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{
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CWinsockNcpLog::Printf(_L("CWinsockNcp6::ConstructL()"));
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CWinsockNcp6* self = new(ELeave) CWinsockNcp6(aLink);
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CleanupStack::PushL(self);
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// CWinsockNcpLog::Printf(_L("CWinsockNcp::ConstructL() - Created Nif %S"), &self->Info()->iIfName);
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CleanupStack::Pop(self);
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return self;
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}
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TInt CWinsockNcp6::GetConfig(TBinderConfig& aConfig)
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/**
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Return the configuration information for the binder (e.g. IP address)
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Called from upper layer.
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@param aConfig base class of structure to fill in with configuration information.
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*/
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{
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if(TBinderConfig::Cast<TBinderConfig6>(aConfig) == NULL)
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{
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return KErrNotSupported;
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}
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TBinderConfig6& config = static_cast<TBinderConfig6&>(aConfig);
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config.iFamily = KAfInet6; /* KAfInet - selects TBinderConfig4 */
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config.iInfo.iFeatures = KIfCanBroadcast | KIfCanMulticast; /* Feature flags */
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config.iInfo.iMtu = KWinsockMtu; /* Maximum transmission unit. */
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config.iInfo.iRMtu = KWinsockMtu; /* Maximum transmission unit for receiving. */
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config.iInfo.iSpeedMetric = 0; /* approximation of the interface speed in Kbps. */
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config.iLocalId = iLocalAddress;
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//opt.iRemoteId.SetAddress(iLocalAddress);
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// Setup static DNS address if required
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if (!iNameSer1.IsUnspecified())
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{
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config.iNameSer1 = iNameSer1;
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if (!iNameSer1.IsUnspecified())
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config.iNameSer2 = iNameSer2;
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}
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return KErrNone;
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}
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TInt CWinsockNcp6::Control(TUint aLevel, TUint aName, TDes8& aOption)
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{
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// CWinsockNcpLog::Printf(_L("CWinsockNcp6::Control(aLevel %x, aName %x, ...)"), aLevel, aName);
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if (aLevel == KCOLInterface)
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{
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if (aName == KConnNifConfig)
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{
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TSoInet6IfConfig& opt = *(TSoInet6IfConfig*)aOption.Ptr();
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iLocalAddress = opt.iLocalId;
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iNameSer1 = opt.iNameSer1;
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iNameSer2 = opt.iNameSer2;
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return KErrNone;
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}
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}
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return KErrNotSupported;
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}
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TInt CWinsockNcp6::Notification(TWinsockAgentMessage::TTunnelSetAddress& aMessage)
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{
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iLocalAddress = aMessage.iAddress;
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iNameSer1 = aMessage.iNameSer1;
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iNameSer2 = aMessage.iNameSer2;
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if ( aMessage.iIsUpdate )
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{
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ASSERT(iUpperControl);
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iUpperControl->Error(KErrLinkConfigChanged);
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// iLink->Notify()->BinderLayerDown((CNifIfBase*)this, KErrLinkConfigChanged, MNifIfNotify::EReconnect);
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}
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return KErrNone;
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}
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void CWinsockNcpLog::Write(const TDesC& aDes)
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//
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// Write aText to the log
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//
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{
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LOG(RFileLogger::Write(KTunnelIfLogFolder(), KTunnelIfLogFile(), EFileLoggingModeAppend, aDes);)
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(void)aDes;
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}
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void CWinsockNcpLog::Printf(TRefByValue<const TDesC> aFmt,...)
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//
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// Write a mulitple argument list to the log, trapping and ignoring any leave
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//
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{
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/*LOG(
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VA_LIST list;
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VA_START(list,aFmt);
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RFileLogger::WriteFormat(KTunnelIfLogFolder(), KTunnelIfLogFile(), EFileLoggingModeAppend, aFmt, list);
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)*/
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(void)aFmt;
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}
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