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/*
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* Copyright (c) 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: Implementation of CFlexTimerSession class.
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*
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*/
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/*
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* %version: 1 %
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*/
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// System include files
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#include <e32def.h>
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#include <e32cmn.h>
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#include <hal.h>
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// User include files go here:
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#include "flextimercommon.h"
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#include "flextimersession.h"
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#include "mflextimerservice.h"
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#include "OstTraceDefinitions.h"
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#ifdef OST_TRACE_COMPILER_IN_USE
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#include "flextimersessionTraces.h"
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#endif
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// Constants
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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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CFlexTimerSession::CFlexTimerSession( MFlexTimerService* aFlexTimerService )
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: iService( aFlexTimerService ),
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iTimerWinSize( 0 ),
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iUseDefaultWin( ETrue )
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{
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OstTrace1( TRACE_INTERNAL,
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CFLEXTIMERSESSION,
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"CFlexTimerSession::CFlexTimerSession; this=%x",
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( TUint )this );
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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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CFlexTimerSession::~CFlexTimerSession()
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{
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OstTrace1( TRACE_INTERNAL,
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CFLEXTIMERSESSIOND,
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"CFlexTimerSession::~CFlexTimerSession; this=%x",
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( TUint )this );
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}
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// --------------------------------------------------------------------------
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// Function called from CFlexTimerService::RunL for messages targeted to
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// this session
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// --------------------------------------------------------------------------
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//
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void CFlexTimerSession::ServiceL( const RMessage2& aMessage )
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{
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TInt msgType( aMessage.Function() );
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OstTraceExt2( TRACE_INTERNAL,
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CFLEXTIMERSESSION_MSG,
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"CFlexTimerSession::ServiceL; this=%x; msgType=%d",
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( TInt )this,
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msgType );
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// Check message type and pass it to correct handler. Handler either
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// stores the message or completes it immediately.
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switch ( msgType )
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{
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case EFlexTimerServCancelRequest:
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CancelTimer( aMessage );
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break;
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case EFlexTimerServAtRequest:
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NewAtTimer( aMessage );
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break;
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case EFlexTimerServAtUTCRequest:
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NewAtUtcTimer( aMessage );
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break;
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case EFlexTimerServAfterRequest:
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NewAfterTimer( aMessage );
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break;
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case EFlexTimerServAfterTicksRequest:
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NewAfterTicksTimer( aMessage );
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break;
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case EFlexTimerServConfigureRequest:
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ConfigureParameters( aMessage );
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break;
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default:
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OstTrace1(
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TRACE_INTERNAL,
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CFLEXTIMERSESSION_ERROR,
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"CFlexTimerSession::ServiceL: Unknown message; this=%x",
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( TUint )this );
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aMessage.Complete( KErrNotSupported );
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}
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}
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// --------------------------------------------------------------------------
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// Timeout handler for triggering timers
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// --------------------------------------------------------------------------
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//
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void CFlexTimerSession::Timeout() const
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{
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// Check for the validity of pending timeout request
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if ( !iPendingTimeoutMsg.IsNull() )
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{
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OstTraceExt2( TRACE_INTERNAL,
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CFLEXTIMERSESSION_TIMEOUT,
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"CFlexTimerSession::Timeout; this=%x; msg=%x",
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( TUint )this,
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( TUint )iPendingTimeoutMsg.Handle() );
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// Complete message, this sets message pointer to NULL
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iPendingTimeoutMsg.Complete( KErrNone );
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}
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else
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{
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// No valid message pointer, nothing we can do here
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OstTrace1( TRACE_INTERNAL,
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CFLEXTIMERSESSION_TIMEOUT_ERROR,
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"CFlexTimerSession::Timeout: No Pending message; this=%x",
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( TUint )this );
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}
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}
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// --------------------------------------------------------------------------
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// Function for aborting At-timer
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// --------------------------------------------------------------------------
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//
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void CFlexTimerSession::Abort( TInt aReason ) const
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{
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// Check for the validity of pending timeout request
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if ( !iPendingTimeoutMsg.IsNull() )
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{
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OstTraceExt2( TRACE_INTERNAL,
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CFLEXTIMERSESSION_ABORT,
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"CFlexTimerSession::Abort; this=%x; msg=%x",
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( TUint )this,
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( TUint )iPendingTimeoutMsg.Handle() );
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// Complete message, this sets message pointer to NULL
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iPendingTimeoutMsg.Complete( aReason );
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}
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else
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{
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// No valid message pointer, nothing we can do here
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OstTrace1(
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TRACE_INTERNAL,
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CFLEXTIMERSESSION_ABORT_ERROR,
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"CFlexTimerSession::Abort: No Pending message; this=%x",
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( TUint )this );
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}
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}
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// --------------------------------------------------------------------------
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// Handler function for starting At() -timer
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// --------------------------------------------------------------------------
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//
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void CFlexTimerSession::NewAtTimer( const RMessage2& aMessage )
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{
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// Check that we do not have a pending timer request
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if ( !iPendingTimeoutMsg.IsNull() )
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{
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OstTraceExt2( TRACE_INTERNAL,
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CFLEXTIMERSESSION_ATPANIC,
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"CFlexTimerSession::NewAtTimer: Already pending; "
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"this=%x; msg=%x",
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( TUint )this,
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( TUint )iPendingTimeoutMsg.Handle() );
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aMessage.Panic( KRFlexTimerPanicCat,
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EFlexTimerServerErrorPendingTimer );
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return;
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}
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// Get interval from current time to the requested timestamp
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TTime refTime;
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refTime.HomeTime();
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TTimeIntervalMicroSeconds interval;
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GetIntervalToMsgTime( aMessage, refTime, interval );
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OstTraceExt2( TRACE_INTERNAL,
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CFLEXTIMERSESSION_ATTIMER,
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"CFlexTimerSession::NewAtTimer; this=%x; interval=%lld",
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( TUint )this,
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interval.Int64() );
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// Add the timer to engine
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DoAddTimer( aMessage, interval, ETrue );
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}
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// --------------------------------------------------------------------------
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// Handler function for starting AtUTC() -timer
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// --------------------------------------------------------------------------
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//
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void CFlexTimerSession::NewAtUtcTimer( const RMessage2& aMessage )
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{
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// Check that we do not have a pending timer request
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if ( !iPendingTimeoutMsg.IsNull() )
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{
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OstTraceExt2( TRACE_INTERNAL,
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CFLEXTIMERSESSION_ATUTCPANIC,
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"CFlexTimerSession::NewAtUtcTimer: Already pending; "
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"this=%x; msg=%x",
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( TUint )this,
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( TUint )iPendingTimeoutMsg.Handle() );
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aMessage.Panic( KRFlexTimerPanicCat,
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EFlexTimerServerErrorPendingTimer );
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return;
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}
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TTime refTime;
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refTime.UniversalTime();
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TTimeIntervalMicroSeconds interval;
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GetIntervalToMsgTime( aMessage, refTime, interval );
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OstTraceExt2(
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TRACE_INTERNAL,
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CFLEXTIMERSESSION_ATUTCTIMER,
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"CFlexTimerSession::NewAtUtcTimer; this=%x; interval=%lld",
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( TUint )this,
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interval.Int64() );
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// Add the timer to engine
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DoAddTimer( aMessage, interval, ETrue );
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}
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// --------------------------------------------------------------------------
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// Handler function for starting After()-timer
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// --------------------------------------------------------------------------
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//
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void CFlexTimerSession::NewAfterTimer( const RMessage2& aMessage )
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{
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// Check that we do not have a pending timer request
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if ( !iPendingTimeoutMsg.IsNull() )
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{
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OstTraceExt2( TRACE_INTERNAL,
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CFLEXTIMERSESSION_AFTERPANIC,
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"CFlexTimerSession::NewAfterTimer: Already pending; "
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"this=%x; msg=%x",
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( TUint )this,
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( TUint )iPendingTimeoutMsg.Handle() );
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aMessage.Panic( KRFlexTimerPanicCat,
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EFlexTimerServerErrorPendingTimer );
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return;
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}
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TInt64 timeStamp = MAKE_TINT64( aMessage.Int1(), aMessage.Int0() );
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TTimeIntervalMicroSeconds interval( timeStamp );
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OstTraceExt2(
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TRACE_INTERNAL,
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CFLEXTIMERSESSION_AFTERTIMER,
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"CFlexTimerSession::NewAfterTimer; this=%x; interval=%llu",
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( TUint )this,
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interval.Int64() );
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// Add the timer to engine, request cancellation if the secure time
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// is not available
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DoAddTimer( aMessage, interval, EFalse );
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}
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// --------------------------------------------------------------------------
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// Handler function for starting AfterTicks()-timer
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// --------------------------------------------------------------------------
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//
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void CFlexTimerSession::NewAfterTicksTimer( const RMessage2& aMessage )
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{
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// Check that we do not have a pending timer request
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if ( !iPendingTimeoutMsg.IsNull() )
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{
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OstTraceExt2(
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TRACE_INTERNAL,
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CFLEXTIMERSESSION_AFTERTICKSPANIC,
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"CFlexTimerSession::NewAfterTicksTimer: Already pending; "
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"this=%x; msg=%x",
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( TUint )this,
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( TUint )iPendingTimeoutMsg.Handle() );
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aMessage.Panic( KRFlexTimerPanicCat,
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EFlexTimerServerErrorPendingTimer );
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return;
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}
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// Get the tick period from HAL and convert ticks to microseconds
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TInt tickUs;
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HAL::Get( HAL::ESystemTickPeriod, tickUs );
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TTimeIntervalMicroSeconds interval =
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static_cast<TInt64> ( aMessage.Int0() ) * tickUs;
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OstTraceExt2(
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TRACE_INTERNAL,
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CFLEXTIMERSESSION_AFTERTICKSTIMER,
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"CFlexTimerSession::NewAfterTicksTimer; this=%x; interval=%llu",
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( TUint )this,
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interval.Int64() );
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// Add the timer to engine
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DoAddTimer( aMessage, interval, EFalse );
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}
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// --------------------------------------------------------------------------
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// Handler function for cancelling running timer
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// --------------------------------------------------------------------------
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//
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void CFlexTimerSession::CancelTimer( const RMessage2& aMessage )
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{
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TInt ret;
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// Check that we have a pending timer request
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if ( iPendingTimeoutMsg.IsNull() )
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{
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OstTrace1(
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TRACE_INTERNAL,
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CFLEXTIMERSESSION_CANCELERROR,
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"CFlexTimerSession::CancelTimer: no pending msg; this=%x",
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( TUint )this );
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ret = KErrNotFound;
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}
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else
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{
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ret = iService->CancelTimer( this );
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OstTraceExt2( TRACE_INTERNAL,
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CFLEXTIMERSESSION_CANCEL,
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"CFlexTimerSession::CancelTimer; this=%x; ret=%d",
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( TUint )this,
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ret );
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// Complete pending message, this sets message pointer to NULL
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iPendingTimeoutMsg.Complete( KErrCancel );
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}
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// Complete cancel message
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aMessage.Complete( ret );
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}
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// --------------------------------------------------------------------------
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// Handler function for configuring timer parameters
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// --------------------------------------------------------------------------
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//
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void CFlexTimerSession::ConfigureParameters( const RMessage2& aMessage )
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{
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TInt ret( KErrNone );
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// Configuration is not allowed when there is a pending message
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if ( !iPendingTimeoutMsg.IsNull() )
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{
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OstTrace1( TRACE_INTERNAL,
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CFLEXTIMERSESSION_CONFIGERROR,
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"CFlexTimerSession::ConfigureParameters: Timer pending; "
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"this=%x",
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( TUint )this );
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ret = KErrInUse;
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}
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else
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{
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TInt paramType( aMessage.Int0() );
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OstTraceExt2( TRACE_INTERNAL,
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CFLEXTIMERSESSION_CONFIG,
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"CFlexTimerSession::ConfigureParameters; this=%x; "
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"paramType=%d",
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( TUint )this,
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paramType );
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switch ( paramType )
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{
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case EConfigureRequestWindowSize:
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{
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TInt winLo = aMessage.Int1();
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TInt winHi = aMessage.Int2();
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iTimerWinSize = MAKE_TINT64( winHi, winLo );
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iUseDefaultWin = EFalse;
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OstTraceExt1( TRACE_INTERNAL,
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CFLEXTIMERSESSION_CONFIGWIN,
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"CFlexTimerSession::ConfigureParameters; "
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"iTimerWinSize=%lld",
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iTimerWinSize.Int64() );
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if ( iTimerWinSize.Int64() < 0 ||
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iTimerWinSize.Int64() > KFlexTimerMaxTimerLength )
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{
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aMessage.Panic( KRFlexTimerPanicCat,
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EFlexTimerServerIllegalTimerValue );
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// Return after panicing the client -- completing the
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// message afterwards panics the server with USER 70.
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return;
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}
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break;
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}
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default:
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OstTrace0( TRACE_INTERNAL,
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CFLEXTIMERSESSION_CONFIGUNKNOWN,
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"CFlexTimerSession::ConfigureParameters: "
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"ERROR - Invalid parameter type" );
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ret = KErrNotSupported;
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break;
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}
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}
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aMessage.Complete( ret );
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}
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// --------------------------------------------------------------------------
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427 |
// Function for adding timer to engine and handling its return value
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// --------------------------------------------------------------------------
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//
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430 |
void CFlexTimerSession::DoAddTimer( const RMessage2& aMessage,
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431 |
TTimeIntervalMicroSeconds& aWinEnd,
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432 |
TBool aRequestAbort )
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433 |
{
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434 |
OstTraceExt4( TRACE_INTERNAL,
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435 |
CFLEXTIMERSESSION_ADDTIMER,
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"CFlexTimerSession::DoAddTimer; this=%x; msg=%x; aWinEnd=%llu;"
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" aRequestAbort=%d",
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( TUint )this,
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439 |
( TUint )aMessage.Handle(),
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aWinEnd.Int64(),
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aRequestAbort );
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442 |
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443 |
// Check that the timer has valid values.
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|
444 |
if ( aWinEnd.Int64() < 0 || aWinEnd.Int64() > KFlexTimerMaxTimerLength)
|
|
445 |
{
|
|
446 |
OstTraceExt4( TRACE_INTERNAL,
|
|
447 |
CFLEXTIMERSESSION_DOADDTIMER,
|
|
448 |
"CFlexTimerSession::DoAddTimer;Invalid parameters "
|
|
449 |
"- panicing client;this=%x;aMessage=%x;aWinEnd=%llu;"
|
|
450 |
"aRequestAbort=%d",
|
|
451 |
( TUint )this,
|
|
452 |
( TUint )aMessage.Handle(),
|
|
453 |
aWinEnd.Int64(),
|
|
454 |
aRequestAbort );
|
|
455 |
aMessage.Panic( KRFlexTimerPanicCat,
|
|
456 |
EFlexTimerServerIllegalTimerValue );
|
|
457 |
return;
|
|
458 |
}
|
|
459 |
|
|
460 |
TTimeIntervalMicroSeconds winStart;
|
|
461 |
TTimeIntervalMicroSeconds window = iTimerWinSize;
|
|
462 |
|
|
463 |
if ( iUseDefaultWin )
|
|
464 |
{
|
|
465 |
window = static_cast<TInt64> ( static_cast<TReal64> ( aWinEnd.Int64() )
|
|
466 |
* KDefaultWindowMultiplier );
|
|
467 |
}
|
|
468 |
|
|
469 |
winStart = aWinEnd.Int64() - window.Int64();
|
|
470 |
|
|
471 |
// Store pending message. Not completed until timer expires.
|
|
472 |
// Note that in case of zero or negative timer value, message can
|
|
473 |
// be completed through Timeout() even before AddTimer returns. This
|
|
474 |
// implementation saves some checks and timer stopping/starting in engine.
|
|
475 |
iPendingTimeoutMsg = aMessage;
|
|
476 |
|
|
477 |
// Add timer to engine
|
|
478 |
TInt ret = iService->AddTimer( winStart, aWinEnd, aRequestAbort, this );
|
|
479 |
|
|
480 |
if ( KErrNone != ret )
|
|
481 |
{
|
|
482 |
// Failed, pass error code to client side
|
|
483 |
OstTraceExt2( TRACE_INTERNAL,
|
|
484 |
CFLEXTIMERSESSION_ADDERROR,
|
|
485 |
"CFlexTimerSession::DoAddTimer: Error; this=%x, ret=%d",
|
|
486 |
( TUint )this,
|
|
487 |
ret );
|
|
488 |
// Complete pending message, this sets message pointer to NULL
|
|
489 |
iPendingTimeoutMsg.Complete( ret );
|
|
490 |
}
|
|
491 |
}
|
|
492 |
|
|
493 |
// --------------------------------------------------------------------------
|
|
494 |
// From CSession2
|
|
495 |
// Function for handling unintentional termination of the client
|
|
496 |
// --------------------------------------------------------------------------
|
|
497 |
//
|
|
498 |
void CFlexTimerSession::Disconnect( const RMessage2 &aMessage )
|
|
499 |
{
|
|
500 |
// The client of this session has died.
|
|
501 |
|
|
502 |
// Remove timer from engine.
|
|
503 |
iService->CancelTimer( this );
|
|
504 |
|
|
505 |
// Disconnect() must end with a call to the base class implementation,
|
|
506 |
// which will delete the session object and complete the disconnect
|
|
507 |
// message.
|
|
508 |
CSession2::Disconnect( aMessage );
|
|
509 |
}
|