author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 25 May 2010 12:41:50 +0300 | |
branch | RCL_3 |
changeset 34 | b68fcd923911 |
parent 1 | 838b0a10d15b |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2006 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: Converts asynchronous call to synchronous. |
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* |
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*/ |
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#include "cphcntasynctosync.h" |
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// ======== MEMBER FUNCTIONS ======== |
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// --------------------------------------------------------------------------- |
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// Constructor |
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// --------------------------------------------------------------------------- |
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// |
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CPhCntAsyncToSync::CPhCntAsyncToSync() |
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{ |
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} |
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// --------------------------------------------------------------------------- |
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// Second phase constructor. |
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// --------------------------------------------------------------------------- |
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// |
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void CPhCntAsyncToSync::BaseConstructL() |
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{ |
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iWait = new( ELeave )CActiveSchedulerWait(); |
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} |
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// --------------------------------------------------------------------------- |
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// Destructor |
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// --------------------------------------------------------------------------- |
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// |
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CPhCntAsyncToSync::~CPhCntAsyncToSync() |
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{ |
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delete iWait; |
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} |
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// --------------------------------------------------------------------------- |
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// Converts asyncrhonous call to synchronous. |
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// --------------------------------------------------------------------------- |
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// |
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TInt CPhCntAsyncToSync::MakeAsyncRequest() |
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{ |
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iResponseReceived = EFalse; |
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// Return KErrInUse, if iWait is active. |
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TInt err( IsActive() ? KErrInUse : KErrNone ); |
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if ( !err ) |
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{ |
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TRAP( err, DoMakeAsyncRequestL() ); |
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} |
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if( !err ) |
0
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{ |
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// Check that response is not already received, we cannot |
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// start the scheduler if response is received, otherwise |
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// scheduler waits forever. |
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if( !iResponseReceived ) |
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{ |
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iWait->Start(); |
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} |
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err = iResponseError; |
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} |
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return err; |
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} |
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// --------------------------------------------------------------------------- |
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// Indication that response has been received from async request. |
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// --------------------------------------------------------------------------- |
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// |
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void CPhCntAsyncToSync::ResponseReceived( TInt aErrorCode ) |
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{ |
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iResponseReceived = ETrue; |
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iResponseError = aErrorCode; |
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if( iWait->IsStarted() ) |
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{ |
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iWait->AsyncStop(); |
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} |
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} |
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// --------------------------------------------------------------------------- |
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// Checks if there are pending asynchronous requests available. |
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// --------------------------------------------------------------------------- |
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// |
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TBool CPhCntAsyncToSync::IsActive() |
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{ |
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return iWait->IsStarted(); |
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} |
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