telephonyprotocols/pdplayer/src/PDPCPR.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 02 Sep 2010 21:42:07 +0300
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permissions -rw-r--r--
Revision: 201035 Kit: 201035
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// Copyright (c) 2008-2010 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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// PDP Connection Provider implementation
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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 "PDPCPR.h"
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#include <comms-infras/ss_log.h>
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#include <comms-infras/ss_msgintercept.h>
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#include <comms-infras/corecpractivities.h>
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#include <elements/nm_address.h>
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#include <comms-infras/ss_nodemessages_parameters.h>
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#include <comms-infras/corescprstates.h>
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#include <elements/mm_context.h>
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#include <etelmm.h>
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#include <etelpckt.h>
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#include <comms-infras/ss_metaconnprov.h>
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#include "PDPProvision.h"
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#include <etel.h>
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#include "pdpcpravailabilitylistener.h"
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#include <comms-infras/ss_nodemessages.h>
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#include <comms-infras/linkmessages.h>
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#include <elements/nm_interfaces.h>
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#ifdef SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW
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#include <networking/cfbearers.h>
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#include <networking/ipcpr_states.h>
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#include <cs_genevent.h>
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#include <networking/etelbearers.h>
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#endif
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using namespace ESock;
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//-=========================================================
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//
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// CPDPConnectionProvider methods
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//
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//-=========================================================	
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#ifdef SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW
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namespace PDPCprLinkCharacteristicActivity
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{
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DECLARE_DEFINE_NODEACTIVITY(ECFActivityParamRequest, PDPCprLinkCharacteristic, TCFScpr::TGetParamsRequest)
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    NODEACTIVITY_ENTRY(MeshMachine::KNoTag, PDPCprStates::TUpdateBundleAndRespondWithRetrievedParams, PRStates::TAwaitingParamRequest, MeshMachine::TNoTag)
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NODEACTIVITY_END()
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}
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// Agent SCPR Going Down Activity
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namespace PDPDataClientGoneDownActivity
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{
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DECLARE_DEFINE_NODEACTIVITY(ECFActivityDataClientGoneDown, PDPScprGoneDown, TCFControlProvider::TDataClientGoneDown)
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    // AwaitingDataClientGoneDown used rather than AlwaysAccept to mark data client EStopped
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    FIRST_NODEACTIVITY_ENTRY(CoreNetStates::TAwaitingDataClientGoneDown, CoreNetStates::TNoTagOrNonDefault)
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    LAST_NODEACTIVITY_ENTRY(MeshMachine::KNoTag, PRStates::TSendGoneDown)
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    LAST_NODEACTIVITY_ENTRY(CoreNetStates::KNonDefault, MeshMachine::TDoNothing)    
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NODEACTIVITY_END()
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}
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#endif
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namespace PDPCprActivities
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{
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DEFINE_ACTIVITY_MAP(activityMap)
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#ifdef SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW
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    ACTIVITY_MAP_ENTRY(PDPDataClientGoneDownActivity, PDPScprGoneDown)
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	ACTIVITY_MAP_ENTRY(PDPCprLinkCharacteristicActivity, PDPCprLinkCharacteristic)
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#endif
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ACTIVITY_MAP_END_BASE(CprActivities, coreCprActivities)
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}
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CPDPConnectionProvider* CPDPConnectionProvider::NewL(ESock::CConnectionProviderFactoryBase& aFactory)
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    {
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    CPDPConnectionProvider* provider = new (ELeave) CPDPConnectionProvider(aFactory);
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    CleanupStack::PushL(provider);
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    provider->ConstructL();
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    CleanupStack::Pop(provider);
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	return provider;
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    }        
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void CPDPConnectionProvider::ConstructL()
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/**
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 * PDP Connection Provider Second Phase Constructor
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 * @param None
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 * @return void
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 */
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	{
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	CCoreConnectionProvider::ConstructL();
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	}
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CPDPConnectionProvider::CPDPConnectionProvider(ESock::CConnectionProviderFactoryBase& aFactory)
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	: CCoreConnectionProvider(aFactory, PDPCprActivities::activityMap::Self()),
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	  iDynamicCapsEventListener(NULL),
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	  iNetworkModeEventListener(NULL),
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	  iBearerType(0),
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	  iBearerSet(EFalse)
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0
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/**
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 * Construct PDP connection provider.
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 */	
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    {        
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    LOG_NODE_CREATE(KESockConnectionTag, CPDPConnectionProvider);
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    }
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CPDPConnectionProvider::~CPDPConnectionProvider()
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/**
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 * Destroy PDP connection provider.
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 */
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    {    
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    LOG_NODE_DESTROY(KESockConnectionTag, CPDPConnectionProvider);
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#ifdef SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW
0
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    StopListener();
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#endif
0
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	delete iDynamicCapsEventListener;
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	delete iNetworkModeEventListener;
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    }
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void CPDPConnectionProvider::ReceivedL(const Messages::TRuntimeCtxId& aSender, const Messages::TNodeId& aRecipient, Messages::TSignatureBase& aMessage)
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	{
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	//ESOCK_DEBUG_MESSAGE_INTERCEPT(aSender, aMessage, aRecipient);
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	MeshMachine::TNodeContext<CPDPConnectionProvider> ctx(*this, aMessage, aSender, aRecipient);
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	CCoreConnectionProvider::Received(ctx);
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	User::LeaveIfError(ctx.iReturn);
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	}
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void CPDPConnectionProvider::BearerChangeDetectedL()
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/**
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 * Update the parmeter set in case of modulation change and send TPlaneNotification message to
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 * all the control client.
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 */
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	{
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#ifdef SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW
0
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	//Update bearers.
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	UpdateBearer();
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	//Send msg to all control clients
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	CEventParamsChanged* eventChanged = CEventParamsChanged::NewL(KBearerInfo);
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	CleanupStack::PushL(eventChanged);
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	//Create the family and set it to bearer type 
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	XBearerInfo* bearerInfo = XBearerInfo::NewL();
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	CleanupStack::PushL(bearerInfo);
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	bearerInfo->SetBearerType(iBearerType);
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	//Add bearer family to parameter set.
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	eventChanged->AddParameterSetL(KBearerInfo, bearerInfo);
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	CleanupStack::Pop(2,eventChanged);
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	//Create the event node for bearer change notification.
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	CRefCountOwnedNotification* eventNode = new (ELeave) CRefCountOwnedNotification(eventChanged);
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	//Build the CPR plane notification message, which will be retrieved by IPCPR.
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	TCFSubConnControlClient::TPlaneNotification msg(eventNode);
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   	Messages::TClientIter<Messages::TDefaultClientMatchPolicy> iter = this->GetClientIter<Messages::TDefaultClientMatchPolicy>(Messages::TClientType(TCFClientType::ECtrl));
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    Messages::RNodeInterface* ctl;
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	while ((ctl = iter++) != NULL)
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		{
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		msg.iRefCountOwnedNotification->Open();
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		ctl->PostMessage(this->NodeId(), msg);
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		}
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#endif
0
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	}
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#ifdef SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW
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void CPDPConnectionProvider::StartListener()
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/**
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 * Start listening for dynamic caps or network mode changes.
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 * @param None
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 * @return void
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 */
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    {
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    iDynamicCapsEventListener->NotifyDynamicCapsChange(this);
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    iNetworkModeEventListener->NotifyNetworkModeChange(this);
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    }
0
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49
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void CPDPConnectionProvider::StopListener()
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/**
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 * Start listening for dynamic caps or network mode changes.
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 */
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    {
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    if(iDynamicCapsEventListener)
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        {
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        iDynamicCapsEventListener->Cancel();
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        }
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    if(iNetworkModeEventListener)
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        {
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        iNetworkModeEventListener->Cancel();
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        }
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    }
0
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void CPDPConnectionProvider::UpdateBearer()
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/**
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 * Update bearer type based on the change of the dynamic caps or network mode.
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 */
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	{
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	//Get dynamic caps
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	TUint dynamicCaps = iDynamicCapsEventListener->DynamicCaps();		
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	//Get network mode
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	RMobilePhone::TMobilePhoneNetworkMode networkMode = iNetworkModeEventListener->NetworkMode();
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	//Resolve the bearer based on both dynamic caps and network mode
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	iBearerType = Bearer(dynamicCaps, networkMode);
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	iBearerSet = ETrue;
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	}
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TUint32 CPDPConnectionProvider::Bearer(TUint aDynamicCaps, RMobilePhone::TMobilePhoneNetworkMode& aNetworkMode)
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/**
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 * Determine bearer based on dynamic caps and network mode.
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 * @param aDynamicCaps a value of dynamic caps
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 * @param aNetworkMode a value of network mode
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 * @return Type of Bearer
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 *
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 */
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	{
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	if ((aDynamicCaps & RPacketService::KCapsHSUPA) || (aDynamicCaps & RPacketService::KCapsHSDPA))
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		{
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		return KHsdpaBearer;
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		}
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	else if (aDynamicCaps & RPacketService::KCapsEGPRS)
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		{
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		return KEGprsBearer;
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		}
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	else
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		{
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		if(aNetworkMode == RMobilePhone::ENetworkModeGsm)
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			{
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		    return KGprsBearer;
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			}
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		else if(aNetworkMode == RMobilePhone::ENetworkModeWcdma)
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			{
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		    return KUmtsBearer;
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			}
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		else
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			{
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		   	return KDefaultBearer;
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			}
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		}
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	}
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DEFINE_SMELEMENT(PDPCprStates::TUpdateBundle, NetStateMachine::MStateTransition, PDPCprStates::TContext)
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void PDPCprStates::TUpdateBundle::DoL()
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/**
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 * Process TGetParamsRequest
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 */
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	{
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	// Node receives TGetParamsRequest msg containing the bundle.
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	// Determine current network type - GPRS/EDGE/UMTS/HSDPA and update the bundle.
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	const CTSYProvision& tsyProvision = static_cast<const CTSYProvision&>(iContext.Node().AccessPointConfig().FindExtensionL(
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	        STypeId::CreateSTypeId(CTSYProvision::EUid, CTSYProvision::ETypeId)));
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	if(!iContext.Node().iDynamicCapsEventListener)
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		{
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		iContext.Node().iDynamicCapsEventListener = CPDPCPRDynamicCapsListener::NewL(&tsyProvision);
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		}
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	if (!iContext.Node().iNetworkModeEventListener)
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		{
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		iContext.Node().iNetworkModeEventListener = CPDPCPRNetworkModeListener::NewL(&tsyProvision);
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		}
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	if(iContext.Node().iBearerSet == EFalse)
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		{
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		iContext.Node().UpdateBearer();
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		}
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	TCFScpr::TGetParamsRequest& paramRequest = Messages::message_cast<TCFScpr::TGetParamsRequest>(iContext.iMessage);
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	if( (! paramRequest.iFamilyBundle.IsNull()) && (iContext.Node().GetParameterBundle() != paramRequest.iFamilyBundle))
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		{
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		iContext.Node().GetParameterBundle().Open(paramRequest.iFamilyBundle);
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		RParameterFamily family = iContext.Node().GetParameterBundle().FindFamily(KBearerInfo);	
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		if(!family.IsNull())
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			{
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			XBearerInfo *bearerType = static_cast<XBearerInfo*>(family.FindParameterSet(STypeId::CreateSTypeId(KIpBearerInfoUid, KIpBearerInfoParameterType), RParameterFamily::ERequested));
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			if(bearerType)
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				{
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				bearerType->SetBearerType(iContext.Node().iBearerType);
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				}
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			}
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		}
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	if(iContext.Node().iDynamicCapsEventListener->IsDynamicCapsSupported())
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		{
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		// if Dynamic Caps supported, start listener, which would Notify of Dynamic Caps change
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		// no check required for network mode, since atleast one network mode is supported.
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		iContext.Node().StartListener();
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		}
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	}
49
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#endif
0
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