linklayerprotocols/pppnif/SPPP/pppmcpr.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 15 Sep 2010 13:53:10 +0300
branchRCL_3
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// Copyright (c) 2006-2009 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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// PPP MCpr
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// 
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//
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/**
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 @file
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 @internalComponent
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*/
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#include <comms-infras/ss_log.h>
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#include <comms-infras/agentmcpractivities.h>
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#include <comms-infras/coremcpractivities.h>
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#include <comms-infras/ss_tiermanagerutils.h>
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#include "pppmcpr.h"
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#include "pppmcprstates.h"
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#include "csdavailabilitylistener.h"
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#include <comms-infras/ss_msgintercept.h>
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using namespace Messages;
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using namespace MeshMachine;
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using namespace ESock;
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using namespace NetStateMachine;
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using namespace MCprActivities;
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#if defined __CFLOG_ACTIVE || defined SYMBIAN_TRACE_ENABLE
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#define KPppMCprTag KESockMetaConnectionTag
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_LIT8(KPppMCprSubTag, "PppMCpr");
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#endif
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// No Bearer Activity
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namespace PppMCprNoBearerActivity
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{
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DECLARE_DEFINE_NODEACTIVITY(ECFActivityNoBearer, PppMCprNoBearer, TCFControlProvider::TNoBearer)
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	FIRST_NODEACTIVITY_ENTRY(CoreNetStates::TAwaitingNoBearer, MeshMachine::TNoTag)
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	LAST_NODEACTIVITY_ENTRY(KNoTag, CoreNetStates::TSendBearer)
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NODEACTIVITY_END()
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}
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// Activity Map
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namespace PppMCprStates
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{
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DECLARE_DEFINE_ACTIVITY_MAP(stateMap)
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	ACTIVITY_MAP_ENTRY(PppMCprNoBearerActivity, PppMCprNoBearer)
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ACTIVITY_MAP_END_BASE(AgentMCprActivities, agentMCprActivities)
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} // namespace PppMCprStates
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//-=========================================================
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//
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//CPppMetaConnectionProvider implementation
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//
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//-=========================================================
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CPppMetaConnectionProvider* CPppMetaConnectionProvider::NewL(ESock::CMetaConnectionProviderFactoryBase& aFactory,
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                                                             const ESock::TProviderInfo& aProviderInfo)
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    {
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    // coverity[alloc_fn] coverity[alias] coverity[assign]
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    CPppMetaConnectionProvider* self = new (ELeave) CPppMetaConnectionProvider(aFactory,aProviderInfo,PppMCprStates::stateMap::Self());
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    // coverity[push]
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    CleanupStack::PushL(self);
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    // coverity[alias] coverity[double_push]
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    self->ConstructL();
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    CleanupStack::Pop(self);
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    return self;
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    }
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void CPppMetaConnectionProvider::ConstructL()
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    {
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    CAgentMetaConnectionProvider::ConstructL();
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    SetAccessPointConfigFromDbL();
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    }
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CPppMetaConnectionProvider::CPppMetaConnectionProvider(CMetaConnectionProviderFactoryBase& aFactory,
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                                                       const ESock::TProviderInfo& aProviderInfo,
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                                                       const MeshMachine::TNodeActivityMap& aActivityMap)
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:	CAgentMetaConnectionProvider(aFactory,aProviderInfo,aActivityMap)
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	{
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	LOG_NODE_CREATE(KPppMCprSubTag, CPppMetaConnectionProvider);
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	}
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CPppMetaConnectionProvider::~CPppMetaConnectionProvider()
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	{
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	// Clean up the Agent Notification Handler
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	SetAgentNotificationHandlerL(NULL);
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	delete iAgentHandler;
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	CPppMetaConnectionProvider::CancelAvailabilityMonitoring(); //Don't call virtual for obvious reasons!
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	LOG_NODE_DESTROY(KPppMCprSubTag, CPppMetaConnectionProvider);
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	}
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void CPppMetaConnectionProvider::ReceivedL(const TRuntimeCtxId& aSender, const TNodeId& aRecipient, TSignatureBase& aMessage)
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	{
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	__CFLOG_VAR((KPppMCprTag, KPppMCprSubTag, _L8("CPppMetaConnectionProvider %08x:\tReceivedL() aCFMessage=%d"),
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	  this, aMessage.MessageId().MessageId()));
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	ESOCK_DEBUG_MESSAGE_INTERCEPT(aSender, aMessage, aRecipient);
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	TNodeContext<CPppMetaConnectionProvider> ctx(*this, aMessage, aSender, aRecipient);
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	CCoreMetaConnectionProvider::Received(ctx);
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	User::LeaveIfError(ctx.iReturn);
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	}
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   118
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void CPppMetaConnectionProvider::CleanupCloseIapView(TAny* aThis)
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	{
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	reinterpret_cast<CPppMetaConnectionProvider*>(aThis)->CloseIapView();
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	}
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   123
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void CPppMetaConnectionProvider::SetAccessPointConfigFromDbL()
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	{
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	// Its necessary here to check whether the mcpr has already been provisioned, because it may be still
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	// lingering because of a previous connection start
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	if (AccessPointConfig().FindExtension(CBCAProvision::TypeId()))
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		{
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		ASSERT(AccessPointConfig().FindExtension(CIPConfig::TypeId()));
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		ASSERT(AccessPointConfig().FindExtension(CPppLcpConfig::TypeId()));
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		ASSERT(AccessPointConfig().FindExtension(CPppAuthConfig::TypeId()));
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		ASSERT(AccessPointConfig().FindExtension(CPppTsyConfig::TypeId()));
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		return;
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		}
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   136
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    RMetaExtensionContainer mec;
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    mec.Open(AccessPointConfig());
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    CleanupClosePushL(mec);
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	CCommsDatIapView* iapView = OpenIapViewLC();
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	// Presumptions:
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	// - none of the extensions can already exist in the AccessPointConfig array.  AppendExtensionL()
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	//   is presumed to panic if adding the same extension a second time.
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	// - if we have added several extensions to the AccessPointConfig array before getting a failure
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	//   and leaving, it is presumed that the MCPr will be destroyed and AccessPointConfig destructor
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	//   will clean up the extensions immediately afterwards.
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	mec.AppendExtensionL(CBCAProvision::NewLC(iapView));
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	CleanupStack::Pop(); //Ownership with the list
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	mec.AppendExtensionL(CIPConfig::NewLC(iapView));
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	CleanupStack::Pop(); //Ownership with the list
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   154
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	mec.AppendExtensionL(CPppLcpConfig::NewLC(iapView));
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	CleanupStack::Pop(); //Ownership with the list
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	mec.AppendExtensionL(CPppAuthConfig::NewLC(iapView));
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	CleanupStack::Pop(); //Ownership with the list
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	mec.AppendExtensionL(CPppTsyConfig::NewLC(iapView));
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	CleanupStack::Pop(); //Ownership with the list
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	CleanupStack::PopAndDestroy();			// CloseIapView();
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	iAccessPointConfig.Close();
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	iAccessPointConfig.Open(mec);
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	CleanupStack::PopAndDestroy(&mec);
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   169
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	// Add the Agent Notification Handler.
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	ASSERT(iAgentHandler == NULL);
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	iAgentHandler = CPppAgentNotificationHandler::NewL();				// ownership retained
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	SetAgentNotificationHandlerL(iAgentHandler);
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	}
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void CPppMetaConnectionProvider::StartAvailabilityMonitoringL(const TNodeCtxId& aAvailabilityActivity)
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	{
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	ASSERT(iAvailabilityListener==NULL); //Only one start allowed from the av activity!
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	const CPppTsyConfig& config = static_cast<const CPppTsyConfig&>(AccessPointConfig().FindExtensionL(STypeId::CreateSTypeId(CPppTsyConfig::EUid, CPppTsyConfig::ETypeId)));
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	iAvailabilityListener = CCsdAvailabilityListener::NewL(aAvailabilityActivity, config, ProviderInfo().APId());
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	AddClientL(iAvailabilityListener->Id(), TClientType(TCFClientType::ERegistrar, TCFClientType::EAvailabilityProvider));
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	}
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void CPppMetaConnectionProvider::CancelAvailabilityMonitoring()
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	{
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	if (iAvailabilityListener)
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		{
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		RemoveClient(iAvailabilityListener->Id());
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		iAvailabilityListener = NULL; //iAvailabilityListener will delete itself when cancelled from the availability activity
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		}
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	}
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CPppAgentNotificationHandler* CPppAgentNotificationHandler::NewL ()
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   {
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   return new (ELeave)CPppAgentNotificationHandler();
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   }
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CPppAgentNotificationHandler::CPppAgentNotificationHandler()
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   {
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   }
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/**
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Upcall from the Agent
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*/
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void CPppAgentNotificationHandler::ConnectCompleteL()
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	{
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	TBool pop = EFalse;
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	CPppProvisionInfo* pppInfo = const_cast<CPppProvisionInfo*>(static_cast<const CPppProvisionInfo*>(GetExtension(STypeId::CreateSTypeId(CPppProvisionInfo::EUid, CPppProvisionInfo::ETypeId))));
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	if (!pppInfo) // not provisioned yet
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		{
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		pppInfo = new (ELeave) CPppProvisionInfo;
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		CleanupStack::PushL(pppInfo);
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		pop = ETrue;
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		}
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   217
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	const TInt KMaxExcessData = 1503 * 2; // from PPP HDLC
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	RBuf8 excessData;
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	CleanupClosePushL(excessData);
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	excessData.CreateL(KMaxExcessData);
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	(void)ReadExcessData(excessData);
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	User::LeaveIfError(pppInfo->SetExcessData(excessData));
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	CleanupStack::PopAndDestroy(&excessData);
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	pppInfo->SetIsDialIn(QueryIsDialIn());
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	if (pop)
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		{
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		AppendExtensionL(pppInfo);
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		CleanupStack::Pop(pppInfo);
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		}
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	}