author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 02 Feb 2010 00:53:00 +0200 | |
changeset 0 | 4e1aa6a622a0 |
child 8 | 6bb05bdcbe09 |
permissions | -rw-r--r-- |
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// Copyright (c) 2007-2009 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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#include "cmdlistexecutor.h" |
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/** |
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Initiate command processing. |
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*/ |
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void CSsmCmdListExecutor::StartL( CSsmCommandList* aCmdList ) |
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{ |
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__ASSERT_DEBUG( (aCmdList->Count() > 0), User::Panic(KCleCmdListBadIdx, KErrArgument) ); |
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if( iRunning ) |
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{ |
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User::Leave( KErrInUse ); |
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} |
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iInterCmdDelay = aCmdList->DelayBetweenCommands(); |
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if( iInterCmdDelay > 0 ) |
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{ |
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User::LeaveIfError( iTimer.CreateLocal() ); |
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// If delays are required. Do a delay before the first execution. |
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iDoDelayToggle = ETrue; |
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} |
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iRunning = ETrue; |
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iCommandList = aCmdList; // Ownership transferred after any possible leaves. |
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iCommandCount = iCommandList->Count(); |
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iCommandIndex = 0; |
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SetActive(); |
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TRequestStatus* trs = &iStatus; |
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User::RequestComplete( trs, KErrNone ); |
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} |
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/** |
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Successive calls to Execute, but only one per RunL in order for |
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the scheduler/ server to remain responsive. |
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*/ |
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void CSsmCmdListExecutor::RunL() |
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{ |
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if( iStatus != KErrNone ) |
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{ |
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// If a command (or the timer) has completed with an error code, terminate list |
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// processing and supply the error code to the server. |
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iRunning = EFalse; |
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//cancel all remaining commands |
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for (; iCommandIndex < iCommandCount; iCommandIndex++) |
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{ |
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iCommandList->ExecuteCancel(iCommandIndex); |
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} |
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iObserver.ListExecutionComplete( iStatus.Int(), iSessionIndex, iCommandList->Severity(iCommandIndex-1) ); |
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} |
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else if( iCommandIndex < iCommandCount ) |
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{ |
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DoExecute(); |
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} |
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else |
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{ |
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// The last command must have completed. |
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iRunning = EFalse; |
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iObserver.ListExecutionComplete( iStatus.Int(), iSessionIndex, iCommandList->Severity(iCommandIndex-1) ); |
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} |
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} |
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/** |
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Perform command execution and inter-command delays where required. |
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*/ |
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void CSsmCmdListExecutor::DoExecute() |
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{ |
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const TInt KMilliToMicro = 1000; |
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// Are inter-command delays required? |
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if( iInterCmdDelay > 0 ) |
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{ |
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// Do a delay or execute a command? |
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if( iDoDelayToggle ) |
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{ |
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DEBUGPRINT2( _L("***** Performing inter-cmd delay of %d ms"), iInterCmdDelay ); |
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iDoDelayToggle = EFalse; |
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iTimer.After( iStatus, iInterCmdDelay * KMilliToMicro ); |
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SetActive(); |
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} |
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else |
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{ |
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DEBUGPRINT2( _L("***** Exececute cmd no. %d"), iCommandIndex ); |
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iDoDelayToggle = ETrue; |
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iCommandList->Execute( iCommandIndex++, iStatus ); |
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|
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SetActive(); |
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} |
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} |
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else |
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{ |
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// Execute the commands without delays. |
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DEBUGPRINT2( _L("***** Execute cmd no. %d without a delay"), iCommandIndex ); |
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iCommandList->Execute( iCommandIndex++, iStatus ); |
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|
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SetActive(); |
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} |
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} |
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/** |
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Please note: At the time of writing, this is unreachable and therefore untestable code |
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as there are no leaving calls in RunL(). However, if at some future point a leaving call |
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is added to RunL(), this function may require attention. |
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|
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The implementation provided notifies the server via ListExecutionComplete() |
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*/ |
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TInt CSsmCmdListExecutor::RunError( TInt aError ) |
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{ |
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iRunning = EFalse; |
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iObserver.ListExecutionComplete( aError, iSessionIndex, iCommandList->Severity(iCommandIndex) ); |
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return KErrNone; |
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} |
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|
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|
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|
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/** |
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Cancel the current command. |
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Dispose of iCommandList. |
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*/ |
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void CSsmCmdListExecutor::DoCancel() |
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{ |
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if( iCommandList && iRunning ) |
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{ |
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iTimer.Close(); |
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|
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TInt currentCommand = ( 0 == iCommandIndex ) ? 0 : ( iCommandIndex - 1 ); |
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iCommandList->ExecuteCancel( currentCommand ); |
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iCommandList->DeferredDelete(); |
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iCommandList = NULL; |
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iRunning = EFalse; |
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} |
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} |
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|
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|
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|
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CSsmCmdListExecutor* CSsmCmdListExecutor::NewL( MCommandListExecutionObserver& aCmdListObserver, TInt aSessionIndex ) |
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{ |
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CSsmCmdListExecutor* self = NewLC( aCmdListObserver, aSessionIndex ); |
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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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CSsmCmdListExecutor* CSsmCmdListExecutor::NewLC( MCommandListExecutionObserver& aCmdListObserver, TInt aSessionIndex ) |
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{ |
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CSsmCmdListExecutor* self = new(ELeave) CSsmCmdListExecutor( aCmdListObserver, aSessionIndex ); |
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CleanupStack::PushL( self ); |
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self->ConstructL(); |
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return self; |
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} |
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|
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|
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void CSsmCmdListExecutor::ConstructL() |
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{ |
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CActiveScheduler::Add( this ); |
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} |
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|
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|
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|
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CSsmCmdListExecutor::CSsmCmdListExecutor( MCommandListExecutionObserver& aCmdListObserver, TInt aSessionIndex ) |
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: CActive( EPriorityHigh ), iObserver( aCmdListObserver ), iSessionIndex( aSessionIndex ) |
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{ |
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} |
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|
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CSsmCmdListExecutor::~CSsmCmdListExecutor() |
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{ |
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Cancel(); |
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if (iCommandList) |
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{ |
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iCommandList->DeferredDelete(); |
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} |
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} |
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