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/*
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* Copyright (c) 2008-2010 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: AT command URC handler
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*
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*/
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#include <atext.h>
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#include "DunAtCmdHandler.h"
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#include "DunAtUrcHandler.h"
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#include "DunDownstream.h"
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#include "DunDebug.h"
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// ---------------------------------------------------------------------------
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// Two-phased constructor.
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// ---------------------------------------------------------------------------
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//
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CDunAtUrcHandler* CDunAtUrcHandler::NewL(
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RATExt* aAtCmdExt,
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MDunStreamManipulator* aStreamCallback )
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{
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CDunAtUrcHandler* self = NewLC( aAtCmdExt, aStreamCallback );
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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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// Two-phased constructor.
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// ---------------------------------------------------------------------------
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//
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CDunAtUrcHandler* CDunAtUrcHandler::NewLC(
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RATExt* aAtCmdExt,
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MDunStreamManipulator* aStreamCallback )
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{
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CDunAtUrcHandler* self = new (ELeave) CDunAtUrcHandler( aAtCmdExt,
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aStreamCallback );
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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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// Destructor.
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// ---------------------------------------------------------------------------
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//
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CDunAtUrcHandler::~CDunAtUrcHandler()
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{
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FTRACE(FPrint( _L("CDunAtUrcHandler::~CDunAtUrcHandler()") ));
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ResetData();
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FTRACE(FPrint( _L("CDunAtUrcHandler::~CDunAtUrcHandler() complete") ));
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}
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// ---------------------------------------------------------------------------
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// Resets data to initial values
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// ---------------------------------------------------------------------------
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//
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void CDunAtUrcHandler::ResetData()
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{
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FTRACE(FPrint( _L("CDunAtUrcHandler::ResetData()") ));
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// APIs affecting this:
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// IssueRequest()
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Stop();
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// Don't close iAtCmdExt here (it is done in CDunAtCmdHandler)!
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// Internal
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Initialize();
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FTRACE(FPrint( _L("CDunAtUrcHandler::ResetData() complete") ));
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}
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// ---------------------------------------------------------------------------
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// Starts waiting for an incoming URC message
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// ---------------------------------------------------------------------------
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//
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TInt CDunAtUrcHandler::IssueRequest()
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{
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FTRACE(FPrint( _L("CDunAtUrcHandler::IssueRequest()") ));
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if ( IsActive() )
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{
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FTRACE(FPrint( _L("CDunAtUrcHandler::IssueRequest() (not ready) complete") ));
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return KErrNotReady;
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}
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iAtCmdExt->ReceiveUnsolicitedResult( iStatus, iRecvBuffer, iOwnerUidPckg );
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SetActive();
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// Next mark ownership
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if ( !iStarted )
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{
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TInt retTemp = iAtCmdExt->MarkUrcHandlingOwnership( iOwnerUid );
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if ( retTemp != KErrNone )
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{
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FTRACE(FPrint( _L("CDunAtUrcHandler::IssueRequest() (not owned) complete") ));
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return KErrGeneral;
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}
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}
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iStarted = ETrue;
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FTRACE(FPrint( _L("CDunAtUrcHandler::IssueRequest() complete") ));
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return KErrNone;
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}
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// ---------------------------------------------------------------------------
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// Stops waiting for an incoming URC message
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// ---------------------------------------------------------------------------
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//
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void CDunAtUrcHandler::Stop()
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{
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FTRACE(FPrint( _L("CDunAtUrcHandler::Stop()") ));
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Cancel();
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FTRACE(FPrint( _L("CDunAtUrcHandler::Stop() complete") ));
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// Note: Don't mark iStarted to EFalse here as it is used to get the UID
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}
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// ---------------------------------------------------------------------------
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// UID of the owning plugin
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// ---------------------------------------------------------------------------
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//
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TUid CDunAtUrcHandler::OwnerUid()
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{
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return iOwnerUid;
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}
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// ---------------------------------------------------------------------------
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// CDunAtUrcHandler::CDunAtUrcHandler
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// ---------------------------------------------------------------------------
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//
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CDunAtUrcHandler::CDunAtUrcHandler( RATExt* aAtCmdExt,
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MDunStreamManipulator* aStreamCallback ) :
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CActive( EPriorityHigh ),
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iAtCmdExt( aAtCmdExt ),
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iStreamCallback( aStreamCallback ),
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iOwnerUidPckg( iOwnerUid )
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{
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Initialize();
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}
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// ---------------------------------------------------------------------------
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// CDunAtUrcHandler::ConstructL
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// ---------------------------------------------------------------------------
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//
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void CDunAtUrcHandler::ConstructL()
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{
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FTRACE(FPrint( _L("CDunAtUrcHandler::ConstructL()") ));
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if ( !iAtCmdExt || !iStreamCallback )
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{
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User::Leave( KErrGeneral );
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}
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CActiveScheduler::Add( this );
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FTRACE(FPrint( _L("CDunAtUrcHandler::ConstructL() complete") ));
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}
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// ---------------------------------------------------------------------------
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// Initializes this class
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// ---------------------------------------------------------------------------
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//
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void CDunAtUrcHandler::Initialize()
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{
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// Don't initialize iStreamCallback here (it is set through NewL)
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iOwnerUid = TUid::Null();
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iStarted = EFalse;
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}
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// ---------------------------------------------------------------------------
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// From class CActive.
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// Gets called when URC command received
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// ---------------------------------------------------------------------------
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//
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void CDunAtUrcHandler::RunL()
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{
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FTRACE(FPrint( _L("CDunAtUrcHandler::RunL()") ));
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TInt retTemp = iStatus.Int();
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if ( retTemp != KErrNone )
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{
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FTRACE(FPrint( _L("CDunAtUrcHandler::RunL() (ERROR) complete (%d)"), retTemp));
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return;
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}
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if ( iRecvBuffer.Length() == 0 )
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{
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FTRACE(FPrint( _L("CDunAtUrcHandler::RunL() (empty buffer) complete") ));
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return;
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}
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// Send received URC message
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iStreamCallback->NotifyDataPushRequest( &iRecvBuffer, this );
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FTRACE(FPrint( _L("CDunAtUrcHandler::RunL() complete") ));
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}
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// ---------------------------------------------------------------------------
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// From class CActive.
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// Gets called on cancel
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// ---------------------------------------------------------------------------
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//
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void CDunAtUrcHandler::DoCancel()
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{
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FTRACE(FPrint( _L("CDunAtUrcHandler::DoCancel()") ));
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iAtCmdExt->CancelReceiveUnsolicitedResult( iOwnerUid );
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FTRACE(FPrint( _L("CDunAtUrcHandler::DoCancel() complete") ));
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}
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// ---------------------------------------------------------------------------
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// From class MDunCompletionReporter.
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// Gets called when data push is complete
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// ---------------------------------------------------------------------------
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//
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void CDunAtUrcHandler::NotifyDataPushComplete( TBool /*aAllPushed*/ )
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{
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FTRACE(FPrint( _L("CDunAtUrcHandler::NotifyDataPushComplete()") ));
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IssueRequest();
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FTRACE(FPrint( _L("CDunAtUrcHandler::NotifyDataPushComplete() complete") ));
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}
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