author | Pat Downey <patd@symbian.org> |
Wed, 01 Sep 2010 12:30:35 +0100 | |
branch | RCL_3 |
changeset 20 | fad26422216a |
parent 0 | d6fe6244b863 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 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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* |
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*/ |
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|
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|
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// INCLUDE FILES |
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#include "loadgen_netconn.h" |
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#include "loadgen_model.h" |
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#include "loadgen.hrh" |
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#include <loadgen.rsg> |
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|
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#include <e32math.h> |
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#include <commdb.h> |
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|
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_LIT(KThreadName, "NetConn %d"); |
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|
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const TInt KDefaultStart = 50; |
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const TInt KDefaultPeriod = 5000000; |
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|
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// ===================================== MEMBER FUNCTIONS ===================================== |
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CNetConn* CNetConn::NewL(TNetConnAttributes& aAttributes, TInt aReferenceNumber) |
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{ |
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CNetConn* self = new(ELeave) CNetConn(aAttributes, aReferenceNumber); |
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CleanupStack::PushL(self); |
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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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// -------------------------------------------------------------------------------------------- |
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CNetConn::~CNetConn() |
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{ |
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Close(); |
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} |
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// -------------------------------------------------------------------------------------------- |
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CNetConn::CNetConn(TNetConnAttributes& aAttributes, TInt aReferenceNumber) : iAttributes(aAttributes) |
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{ |
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iAttributes.iId = aReferenceNumber; |
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} |
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// -------------------------------------------------------------------------------------------- |
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void CNetConn::ConstructL() |
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{ |
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CLoadBase::ConstructL(); |
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iType = ELoadGenCmdNewLoadNetConn; |
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TBuf<64> threadName; |
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threadName.Format(KThreadName, iAttributes.iId); |
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// create a thread |
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User::LeaveIfError(iThread.Create(threadName, ThreadFunction, KDefaultStackSize*2, 1024*KMinHeapSize, 16*1024*KMinHeapSize, (TAny*) &iAttributes )); |
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// set priority of the thread |
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SetPriority(); |
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} |
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// -------------------------------------------------------------------------------------------- |
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TInt CNetConn::ThreadFunction(TAny* aThreadArg) |
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{ |
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CTrapCleanup* pC = CTrapCleanup::New(); |
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CActiveScheduler* pS = new CActiveScheduler; |
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CActiveScheduler::Install(pS); |
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// start generating load, pass pointer to arguments |
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GenerateLoad(*((TNetConnAttributes*) aThreadArg)); |
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delete pS; |
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delete pC; |
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return KErrNone; |
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} |
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// -------------------------------------------------------------------------------------------- |
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void CNetConn::GenerateLoad(TNetConnAttributes& aAttributes) |
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{ |
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CNetConnManager* netConnManager = NULL; |
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TRAPD(err, netConnManager = CNetConnManager::NewL(aAttributes)); |
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if (err == KErrNone) CActiveScheduler::Start(); |
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delete netConnManager; |
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} |
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// -------------------------------------------------------------------------------------------- |
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void CNetConn::Resume() |
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{ |
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CLoadBase::Resume(); |
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iThread.Resume(); |
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} |
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// -------------------------------------------------------------------------------------------- |
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void CNetConn::Suspend() |
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{ |
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CLoadBase::Suspend(); |
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iThread.Suspend(); |
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} |
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120 |
|
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// -------------------------------------------------------------------------------------------- |
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void CNetConn::SetPriority() |
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{ |
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CLoadBase::SetPriority(); |
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iThread.SetPriority(CLoadGenModel::SettingItemToThreadPriority(iAttributes.iPriority)); |
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} |
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|
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// -------------------------------------------------------------------------------------------- |
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void CNetConn::Close() |
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{ |
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CLoadBase::Close(); |
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if (iThread.ExitReason() == 0) // check if the thread is still alive |
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{ |
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// signal the thread that it needs to close |
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iThread.RequestComplete(iAttributes.iDeathStatus, KErrCancel); |
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140 |
|
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// wait the thread to die |
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TRequestStatus waiter; |
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iThread.Logon(waiter); |
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User::WaitForRequest(waiter); |
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iThread.Close(); |
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} |
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} |
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|
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// -------------------------------------------------------------------------------------------- |
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|
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TPtrC CNetConn::Description() |
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{ |
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TBuf<256> buf; |
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TBuf<16> prioBuf; |
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CLoadGenModel::SettingItemToThreadDescription(iAttributes.iPriority, prioBuf); |
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|
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_LIT(KNetConnEntry, "[%d] NetConn prio=%S dest=%S idle=%dms random=%d%%"); |
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buf.Format(KNetConnEntry, iAttributes.iId, &prioBuf, &iAttributes.iDestination, iAttributes.iIdle, iAttributes.iRandomVariance); |
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|
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return TPtrC(buf); |
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} |
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|
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// -------------------------------------------------------------------------------------------- |
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// -------------------------------------------------------------------------------------------- |
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CNetConnManager* CNetConnManager::NewL(TNetConnAttributes& aAttributes) |
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{ |
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CNetConnManager* self = new(ELeave) CNetConnManager(aAttributes); |
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CleanupStack::PushL(self); |
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self->ConstructL(); |
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CleanupStack::Pop(); |
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return self; |
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} |
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|
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// -------------------------------------------------------------------------------------------- |
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|
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CNetConnManager::CNetConnManager(TNetConnAttributes& aAttributes) : |
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CActive(EPriorityStandard), iAttributes(aAttributes) |
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{ |
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} |
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|
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// -------------------------------------------------------------------------------------------- |
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|
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CNetConnManager::~CNetConnManager() |
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{ |
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Cancel(); |
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|
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iDownloadMgr.Close(); |
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} |
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|
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// -------------------------------------------------------------------------------------------- |
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|
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void CNetConnManager::ConstructL() |
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{ |
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CActiveScheduler::Add(this); |
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|
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// set the status as pending |
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iStatus = KRequestPending; |
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SetActive(); |
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|
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// set the death status pointer point to the request status of this ao |
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iAttributes.iDeathStatus = &iStatus; |
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|
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// init |
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TUid dlUid; |
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dlUid.iUid = 0x00011100 + iAttributes.iId; // generate unique identifier instead of using the LoadGen uid for all instances |
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iDownloadMgr.ConnectL(dlUid, *this, ETrue); |
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|
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// start timer |
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iPeriodicTimer = CPeriodic::NewL(CActive::EPriorityStandard); |
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iPeriodicTimer->Start(KDefaultStart, KDefaultPeriod, TCallBack(PeriodicTimerCallBack, this)); |
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} |
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|
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// -------------------------------------------------------------------------------------------- |
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void CNetConnManager::RunL() |
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{ |
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// request status has completed by the main thread meaning that we need to stop now |
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CActiveScheduler::Stop(); |
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} |
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// -------------------------------------------------------------------------------------------- |
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void CNetConnManager::DoCancel() |
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{ |
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} |
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// -------------------------------------------------------------------------------------------- |
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TInt CNetConnManager::PeriodicTimerCallBack(TAny* aAny) |
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{ |
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CNetConnManager* self = static_cast<CNetConnManager*>( aAny ); |
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self->iPeriodicTimer->Cancel(); |
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TRAPD(err,self->StartDownloadL()); |
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return err; |
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} |
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// -------------------------------------------------------------------------------------------- |
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void CNetConnManager::StartDownloadL() |
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{ |
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iDownloadMgr.SetIntAttribute(EDlMgrExitAction, EExitPause); |
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iDownloadMgr.DeleteAll(); |
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// create new download |
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TBuf8<256> url; |
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url.Copy(iAttributes.iDestination); |
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RHttpDownload& download = iDownloadMgr.CreateDownloadL( url ); |
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download.SetIntAttribute(EDlAttrAction, EDoNothing); // do nothing when download has finished |
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download.SetBoolAttribute(EDlAttrHidden, ETrue); // download is hidden |
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download.SetIntAttribute(EDlAttrRestartAction, ERestartForced); // force to download always ignoring cache |
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// start the download |
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download.Start(); |
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} |
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// -------------------------------------------------------------------------------------------- |
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void CNetConnManager::HandleDMgrEventL(RHttpDownload& aDownload, THttpDownloadEvent aEvent) |
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{ |
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if (aEvent.iProgressState == EHttpContentTypeReceived) |
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{ |
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// need to start the download if already not started |
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aDownload.Start(); |
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} |
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switch ( aEvent.iDownloadState ) |
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{ |
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case EHttpDlPaused: |
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case EHttpDlCompleted: |
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case EHttpDlFailed: |
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{ |
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// assume that the download has finished in this stage |
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// delete download and restart |
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aDownload.Delete(); |
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iPeriodicTimer->Start(CLoadGenModel::MilliSecondsToMicroSeconds(iAttributes.iIdle, iAttributes.iRandomVariance), KDefaultPeriod, TCallBack(PeriodicTimerCallBack, this)); |
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break; |
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} |
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default: |
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{ |
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break; |
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} |
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} |
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} |
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// -------------------------------------------------------------------------------------------- |
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// End of File |