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/*
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* Copyright (c) 2002-2004 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: Connection manager
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*
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*/
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// Copyright (C) 2002-2004 Nokia
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// INCLUDE FILES
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#include <commdbconnpref.h>
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#include <es_enum.h>
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#include "rsfwconnectionmanager.h"
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#include "rsfwcommon.h"
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#include "mdebug.h"
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// ============================ MEMBER FUNCTIONS ==============================
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// ----------------------------------------------------------------------------
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// CRsfwConnectionManager::NewL
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// ----------------------------------------------------------------------------
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//
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EXPORT_C CRsfwConnectionManager* CRsfwConnectionManager::NewL(
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MRsfwConnectionObserver* aConnectionObserver)
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{
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DEBUGSTRING(("CRsfwConnectionManager::NewL"));
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CRsfwConnectionManager* self = new (ELeave) CRsfwConnectionManager();
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CleanupStack::PushL(self);
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self->ConstructL(aConnectionObserver);
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CleanupStack::Pop(self);
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return self;
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}
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// ----------------------------------------------------------------------------
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// CRsfwConnectionManager::CRsfwConnectionManager
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// ----------------------------------------------------------------------------
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//
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CRsfwConnectionManager::CRsfwConnectionManager()
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: CActive( EPriorityStandard )
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{
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}
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// ----------------------------------------------------------------------------
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// CRsfwConnectionManager::ConstructL
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// ----------------------------------------------------------------------------
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//
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void CRsfwConnectionManager::ConstructL(
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MRsfwConnectionObserver* aConnectionObserver)
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{
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DEBUGSTRING(("CRsfwConnectionManager::ConstructL"));
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iConnectionObserver = aConnectionObserver;
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// Connect to the socket server
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User::LeaveIfError(iSocketServ.Connect());
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// Add this to active scheduler
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CActiveScheduler::Add( this );
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iSuspensionTimer = CPeriodic::NewL(CActive::EPriorityLow);
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}
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// ----------------------------------------------------------------------------
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// CRsfwConnectionManager::~CRsfwConnectionManager
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// ----------------------------------------------------------------------------
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//
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EXPORT_C CRsfwConnectionManager::~CRsfwConnectionManager()
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{
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DEBUGSTRING(("CRsfwConnectionManager::~CRsfwConnectionManager"));
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Cancel();
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iConnection.Close();
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iSocketServ.Close();
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iIaps.Close();
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StopSuspensionTimer();
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delete iSuspensionTimer;
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}
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// ----------------------------------------------------------------------------
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// CRsfwConnectionManager::UseIapL
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// ----------------------------------------------------------------------------
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//
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EXPORT_C void CRsfwConnectionManager::UseIapL(const TDesC& aIap)
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{
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// aIap may contain an IAP name or an IAP Id (or '?'/'*')
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DEBUGSTRING(("IAP: %S", &aIap));
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// Determine IAP selection policy
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// By default, ask the user
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iIapSelection = ERsfwIapSelectionAskUser;
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if (aIap.CompareF(KIapDefaultPreferences) == 0)
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{
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// Use static CommDB preferences
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iIapSelection = ERsfwIapSelectionUseDefaultPreferences;
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}
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else if (aIap.CompareF(KIapAskUser) == 0)
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{
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// Ask the user
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}
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else
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{
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// Build a table of acceptable IAPs.
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// Now the table only contains one entry
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TIapInfo iapInfo;
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iapInfo.iId = 0;
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iapInfo.iName.SetLength(0);
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// try to retrieve ID or name based on aIap
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TLex iapLex(aIap);
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TInt err = iapLex.Val(iapInfo.iId, EDecimal);
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if (err != KErrNone)
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{
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// The IAP name was given
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iapInfo.iName.Copy(aIap);
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}
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if (LoadIapInfoL(iapInfo) == KErrNone)
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{
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iIaps.Append(iapInfo);
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iIapSelection = ERsfwIapSelectionExplicit;
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}
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}
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}
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// ----------------------------------------------------------------------------
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// CRsfwConnectionManager::GetConnection
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// ----------------------------------------------------------------------------
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//
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EXPORT_C TInt CRsfwConnectionManager::GetConnection(RSocketServ*& aSocketServ,
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RConnection*& aConnection)
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{
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DEBUGSTRING(("Get connection"));
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TInt err = iConnection.Open(iSocketServ);
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if (err == KErrNone)
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{
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TUint32 iapId = 0;
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TCommDbDialogPref dialogPreference = ECommDbDialogPrefDoNotPrompt;
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switch (iIapSelection)
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{
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case ERsfwIapSelectionAskUser:
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iapId = 0;
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dialogPreference = ECommDbDialogPrefPrompt;
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break;
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case ERsfwIapSelectionUseDefaultPreferences:
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break;
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case ERsfwIapSelectionExplicit:
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iapId = iIaps[0].iId;
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dialogPreference = ECommDbDialogPrefDoNotPrompt;
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break;
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default:
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break;
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}
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err = StartConnection(iapId, dialogPreference);
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if (err == KErrNone)
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{
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aSocketServ = &iSocketServ;
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aConnection = &iConnection;
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}
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}
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DEBUGSTRING(("Get connection returning %d", err));
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return err;
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}
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// ----------------------------------------------------------------------------
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// CRsfwConnectionManager::LoadIapInfoL
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// ----------------------------------------------------------------------------
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//
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TInt CRsfwConnectionManager::LoadIapInfoL(TIapInfo& aIapInfo)
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{
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DEBUGSTRING(("CRsfwConnectionManager::LoadIapInfoL"));
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// Fetch CommDB data for a matching IAP Id or IAP Name
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CCommsDatabase* commsDb = CCommsDatabase::NewL();
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CleanupStack::PushL(commsDb);
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CCommsDbTableView* table;
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if (aIapInfo.iId)
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{
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table = commsDb->OpenViewMatchingUintLC(TPtrC(IAP),
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TPtrC(COMMDB_ID),
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aIapInfo.iId);
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}
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else
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{
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table = commsDb->OpenViewMatchingTextLC(TPtrC(IAP),
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TPtrC(COMMDB_NAME),
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aIapInfo.iName);
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}
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TInt err = table->GotoFirstRecord();
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if (err != KErrNone)
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{
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DEBUGSTRING16(("Could not find IAP '%S' (id=%d)!",
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&aIapInfo.iName,
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aIapInfo.iId));
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CleanupStack::PopAndDestroy(2, commsDb); // table, commsDb
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return KErrNotFound;
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}
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// Read IAP information
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table->ReadUintL(TPtrC(COMMDB_ID), aIapInfo.iId);
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table->ReadTextL(TPtrC(COMMDB_NAME), aIapInfo.iName);
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table->ReadTextL(TPtrC(IAP_BEARER_TYPE), aIapInfo.iBearerType);
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TBuf<KCommsDbSvrMaxColumnNameLength> serviceType;
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table->ReadTextL(TPtrC(IAP_SERVICE_TYPE), serviceType);
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TUint32 service;
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table->ReadUintL(TPtrC(IAP_SERVICE), service);
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// Find out the network
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TUint32 networkId;
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table->ReadUintL(TPtrC(IAP_NETWORK), networkId);
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CleanupStack::PopAndDestroy(table); // table
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table = commsDb->OpenViewMatchingUintLC(TPtrC(NETWORK),
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TPtrC(COMMDB_ID),
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networkId);
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err = table->GotoFirstRecord();
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if (err == KErrNone)
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{
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table->ReadTextL(TPtrC(COMMDB_NAME), aIapInfo.iNetworkName);
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}
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else
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{
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DEBUGSTRING(("Could not find network for the IAP!"));
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}
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CleanupStack::PopAndDestroy(table); // table
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aIapInfo.iServiceName.Zero();
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aIapInfo.iSsId.Zero();
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CleanupStack::PopAndDestroy(commsDb); // commsDb
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aIapInfo.iBearerQuality = ERsfwConnectionQualityStrong;
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DEBUGSTRING16(("found IAP %S: id=%d, servicetype=%S, service=%d, network=%S, servicename=%S, ssid=%S, bearer=%S, quality=%d",
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&aIapInfo.iName,
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aIapInfo.iId,
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&serviceType,
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service,
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&aIapInfo.iNetworkName,
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&aIapInfo.iServiceName,
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&aIapInfo.iSsId,
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&aIapInfo.iBearerType,
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aIapInfo.iBearerQuality));
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return KErrNone;
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}
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// ----------------------------------------------------------------------------
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// CRsfwConnectionManager::StartConnection
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// ----------------------------------------------------------------------------
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//
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TInt CRsfwConnectionManager::StartConnection(TUint32 aIapId,
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TCommDbDialogPref aDialogPreference)
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{
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DEBUGSTRING(("CRsfwConnectionManager::StartConnection with id %d", &aIapId));
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TCommDbConnPref connectionPref;
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connectionPref.SetIapId(aIapId);
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connectionPref.SetDialogPreference(aDialogPreference);
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connectionPref.SetDirection(ECommDbConnectionDirectionOutgoing);
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DEBUGSTRING(("Starting connection to IAP %d with pref %d",
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aIapId,
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aDialogPreference));
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TInt err = iConnection.Start(connectionPref);
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DEBUGSTRING(("Connection starting returned %d", err));
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// start observing the connection, any events will occur in RunL() function
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if ( !IsActive() )
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{
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iConnection.ProgressNotification(iProgress, iStatus);
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SetActive();
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}
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else
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{
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DEBUGSTRING(("StartConnection called twice!"));
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Cancel();
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DEBUGSTRING(("StartConnection Cancel!"));
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iConnection.ProgressNotification(iProgress, iStatus);
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DEBUGSTRING(("CRsfwConnectionManager iConnection.ProgressNotification!"));
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SetActive();
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}
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return err;
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}
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// ----------------------------------------------------------------------------
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// CRsfwConnectionManager::HandleDisconnectionEventL
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// ----------------------------------------------------------------------------
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//
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void CRsfwConnectionManager::HandleDisconnectionEventL()
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{
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DEBUGSTRING(("CRsfwConnectionManager::HandleDisconnectionEventL"));
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if (iConnectionObserver)
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{
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iConnectionObserver->HandleConnectionEventL(
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ERsfwConnectionObserverEventConnectionDisconnected,
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NULL);
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}
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}
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// ----------------------------------------------------------------------------
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// CRsfwConnectionManager::StartSuspensionTimer
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// ----------------------------------------------------------------------------
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//
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void CRsfwConnectionManager::StartSuspensionTimer()
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{
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DEBUGSTRING(("CRsfwConnectionManager::StartSuspensionTimer"));
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if (iSuspensionTimer)
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{
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const TInt KRsfwGPRSSuspensionTimeout = 60 * 1000000; // 60 sec
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DEBUGSTRING(("GPRS suspension timer started (%d us)",
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KRsfwGPRSSuspensionTimeout));
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iSuspensionTimer->Cancel();
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TCallBack callBack(CRsfwConnectionManager::SuspensionTimerExpiredL, this);
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iSuspensionTimer->Start(KRsfwGPRSSuspensionTimeout,
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KRsfwGPRSSuspensionTimeout,
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callBack);
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}
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}
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// ----------------------------------------------------------------------------
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// CRsfwConnectionManager::StopSuspensionTimer
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// ----------------------------------------------------------------------------
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//
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void CRsfwConnectionManager::StopSuspensionTimer()
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{
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DEBUGSTRING(("CRsfwConnectionManager::StopSuspensionTimer"));
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if (iSuspensionTimer)
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{
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DEBUGSTRING(("GPRS suspension timer stopped"));
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iSuspensionTimer->Cancel();
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}
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}
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// ----------------------------------------------------------------------------
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// CRsfwConnectionManager::SuspensionTimerExpired
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// ----------------------------------------------------------------------------
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//
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TInt CRsfwConnectionManager::SuspensionTimerExpiredL(TAny* aArg)
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{
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DEBUGSTRING(("GPRS suspension timer expired"));
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CRsfwConnectionManager* connMan = static_cast<CRsfwConnectionManager*>(aArg);
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connMan->StopSuspensionTimer();
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connMan->HandleDisconnectionEventL();
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return KErrNone;
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}
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// ----------------------------------------------------------------------------
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// CRsfwConnectionManager::RunL
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// ----------------------------------------------------------------------------
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//
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void CRsfwConnectionManager::RunL()
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{
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TInt status = iStatus.Int();
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DEBUGSTRING(("CRsfwConnectionManager::RunL %d", &status));
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TInt stage = iProgress().iStage;
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TInt error = iProgress().iError;
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DEBUGSTRING(("ConnectionManager::RunL - status: %d, stage: %d, error: %d", status, stage, error));
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if ( error == KErrConnectionTerminated || error == KErrDisconnected
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|| stage == KLinkLayerClosed || stage == KConnectionClosed )
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{
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// KErrDisconnected occurs if WLAN goes out of range
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// KErrConnectionTerminated occurs if user cancels connection from "Active connections" menu
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// stage values KLinkLayerClosed & KConnectionClosed should be generated by GPRS
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// (however GPRS usually generates KDataTransferTemporarilyBlocked event)
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HandleDisconnectionEventL();
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}
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else if ( stage == KDataTransferTemporarilyBlocked )
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{
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// KDataTransferTemporarilyBlocked means GPRS 'suspend' event
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// start timer, when it expires we will disconnect
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StartSuspensionTimer();
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}
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else if ( stage == KLinkLayerOpen )
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{
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// KLinkLayerOpen may mean GPRS 'resume' event
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StopSuspensionTimer();
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}
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else
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{
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// ignore the event
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}
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// request new events if necessary
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iConnection.ProgressNotification(iProgress, iStatus, KConnProgressDefault);
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SetActive();
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}
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// ----------------------------------------------------------------------------
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// CRsfwConnectionManager::RunError
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// ----------------------------------------------------------------------------
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//
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#ifdef _DEBUG
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TInt CRsfwConnectionManager::RunError(TInt aError)
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#else
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TInt CRsfwConnectionManager::RunError(TInt /*aError*/)
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#endif
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{
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DEBUGSTRING(("ConnectionManager::RunErrorL - error: %d", aError));
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return KErrNone;
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}
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// ----------------------------------------------------------------------------
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// CRsfwConnectionManager::DoCancel
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// ----------------------------------------------------------------------------
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//
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void CRsfwConnectionManager::DoCancel()
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{
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DEBUGSTRING(("CRsfwConnectionManager::::DoCancel()"));
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//cancel request issued by ProgressNotification()
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iConnection.CancelProgressNotification();
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}
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// End of File
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