--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmserv/voipaudioservices/VoIPIntfc/src/VoIPQueueHandler.cpp	Tue Feb 02 01:08:46 2010 +0200
@@ -0,0 +1,292 @@
+/*
+* Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  VOIP Audio Services  CMsgQueueHandler class implementation.
+*
+*/
+
+
+#include <voipaudiocommon.h>
+#include <voipuplinkstream.h>
+#include <voipdownlinkstream.h>
+#include <voipdtmftoneplayer.h>
+#include <voipringtoneplayer.h>
+#include "debugtracemacros.h"
+#include "VoIPSharedData.h"
+#include "VoIPDataBufferImpl.h"
+#include "VoIPQueueHandler.h"
+
+
+// ----------------------------------------------------------------------------
+// CQueueHandler::NewL
+// Symbian constructor
+// ----------------------------------------------------------------------------
+//
+CQueueHandler* CQueueHandler::NewL(MQueueHandlerObserver* aObserver,
+                                   RMsgQueue<TVoIPMsgBuf>* aMsgQueue,
+                                   TInt aBufferLen)
+    {
+    CQueueHandler* self = new (ELeave) CQueueHandler(aMsgQueue);
+    CleanupStack::PushL(self);
+    self->ConstructL(aObserver, aBufferLen);
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+// ----------------------------------------------------------------------------
+// CQueueHandler::ConstructL
+// Second phase constructor.
+// ----------------------------------------------------------------------------
+//
+void CQueueHandler::ConstructL(MQueueHandlerObserver* aObserver,
+                               TInt aBufferLen)
+    {
+    iObserver = aObserver;
+
+    // aBufferLen == 0 for MsgCom queue
+    if (aBufferLen > 0)
+        {
+        iBuffer = CVoIPDataBufferImpl::NewL(aBufferLen);
+        }
+    }
+
+// ----------------------------------------------------------------------------
+// CQueueHandler::~CQueueHandler
+// Destructor.
+// ----------------------------------------------------------------------------
+//
+CQueueHandler::~CQueueHandler()
+    {
+    Cancel();
+    iChunk.Close();
+    delete iBuffer;
+    }
+
+// ----------------------------------------------------------------------------
+// CQueueHandler::CQueueHandler
+// Constructor.
+// ----------------------------------------------------------------------------
+//
+CQueueHandler::CQueueHandler(RMsgQueue<TVoIPMsgBuf>* aMsgQueue) :
+    CActive(CActive::EPriorityStandard),
+//  CActive(CActive::EPriorityHigh),
+    iMsgQueue(aMsgQueue),
+    iChunkDataPtr(0,0,0)
+    {
+    CActiveScheduler::Add(this);
+    }
+
+// ----------------------------------------------------------------------------
+// CQueueHandler::Start
+// Start listening for events on queue 0.
+// ----------------------------------------------------------------------------
+//
+void CQueueHandler::Start()
+    {
+    if (!IsActive())
+        {
+        iMsgQueue->NotifyDataAvailable(iStatus);
+        SetActive();
+        }
+    }
+
+// ----------------------------------------------------------------------------
+// CQueueHandler::DoCancel
+// Cancel outstanding request
+// ----------------------------------------------------------------------------
+//
+void CQueueHandler::DoCancel()
+    {
+    iMsgQueue->CancelDataAvailable();
+    }
+
+// ----------------------------------------------------------------------------
+// CQueueHandler::RunL
+// Process requests.
+// ----------------------------------------------------------------------------
+//
+void CQueueHandler::RunL()
+    {
+    TVoIPMsgBuf msgBuf;
+    TInt err = iMsgQueue->Receive(msgBuf);
+
+    // Start monitoring for more events before calling the observer as client
+    // may decide to destroy us before this RunL completes executing.
+    Start();
+
+    if (err == KErrNone)
+        {
+        switch (msgBuf.iRequest)
+            {
+            case ECmdDownlinkInitComplete:
+                {
+                iObserver->Event(MVoIPDownlinkObserver::KOpenComplete,
+                                 msgBuf.iStatus);
+                break;
+                }
+            case ECmdUplinkInitComplete:
+                {
+                iObserver->Event(MVoIPUplinkObserver::KOpenComplete,
+                                 msgBuf.iStatus);
+                break;
+                }
+            case ECmdFillBuffer:
+                {
+                DoFillBuffer(msgBuf.iInt, msgBuf.iStatus);
+                break;
+                }
+            case ECmdEmptyBuffer:
+                {
+                DoEmptyBuffer(msgBuf.iInt, msgBuf.iStatus);
+                break;
+                }
+            case ECmdDownlinkThreadClosed:
+                {
+                iChunk.Close();
+                iObserver->Event(MVoIPDownlinkObserver::KDownlinkClosed,
+                                 msgBuf.iStatus);
+                break;
+                }
+            case ECmdUplinkThreadClosed:
+                {
+                iChunk.Close();
+                iObserver->Event(MVoIPUplinkObserver::KUplinkClosed,
+                                 msgBuf.iStatus);
+                break;
+                }
+            case ECmdRingToneOpenComplete:
+                {
+                iObserver->Event(MRingToneObserver::KOpenComplete,
+                                 msgBuf.iStatus);
+                break;
+                }
+            case ECmdRingTonePlayComplete:
+                {
+                iObserver->Event(MRingToneObserver::KPlaybackComplete,
+                                 msgBuf.iStatus);
+                break;
+                }
+            case ECmdDnLinkError:
+            case ECmdDnLinkJBError:
+                {
+                iObserver->Event(MVoIPDownlinkObserver::KDownlinkError,
+                                 msgBuf.iStatus);
+                break;
+                }
+            case ECmdUpLinkError:
+                {
+                iObserver->Event(MVoIPUplinkObserver::KUplinkError,
+                                 msgBuf.iStatus);
+                break;
+                }
+            case ECmdDTMFOpenDnlinkComplete:
+                {
+                iObserver->Event(MDTMFToneObserver::KOpenCompleteDNL,
+                                 msgBuf.iStatus);
+                break;
+                }
+            case ECmdDTMFOpenUplinkComplete:
+                {
+                iObserver->Event(MDTMFToneObserver::KOpenCompleteUPL,
+                                 msgBuf.iStatus);
+                break;
+                }
+            case ECmdDTMFTonePlayFinished:
+                {
+                TRACE_PRN_N1(_L("VoIP->TonePlayFinished [%d]"), msgBuf.iStatus);
+                break;
+                }
+            default:
+                break;
+            }
+        }
+    }
+
+// ----------------------------------------------------------------------------
+// CQueueHandler::DoFillBuffer
+//
+// ----------------------------------------------------------------------------
+//
+void CQueueHandler::DoFillBuffer(TInt aBufLen, TInt aStatus)
+    {
+    TInt err = KErrNone;
+
+    if (iChunk.Handle() == 0)
+        {
+        // aStatus is either RChunk handle or an error
+        err = iChunk.OpenGlobal(KChunkDNL, EFalse);
+        }
+
+    if (err == KErrNone)
+        {
+        iChunkDataPtr.Set(iChunk.Base(), 0, aBufLen);
+        iBuffer->SetPayloadPtr(iChunkDataPtr);
+        iObserver->FillBuffer(iBuffer);
+        }
+    else
+        {
+        // returned error
+        iObserver->Event(MVoIPDownlinkObserver::KDownlinkError, aStatus);
+        }
+    }
+
+// ----------------------------------------------------------------------------
+// CQueueHandler::DoEmptyBuffer
+//
+// ----------------------------------------------------------------------------
+//
+void CQueueHandler::DoEmptyBuffer(TInt aBufLen, TInt aStatus)
+    {
+    TInt err = KErrNone;
+
+    if (iChunk.Handle() == 0)
+        {
+        // aStatus is either RChunk handle or an error
+        err = iChunk.OpenGlobal(KChunkUPL, EFalse);
+        }
+
+    if (err == KErrNone)
+        {
+        iChunkDataPtr.Set(iChunk.Base(), aBufLen, aBufLen);
+        iBuffer->SetPayloadPtr(iChunkDataPtr);
+        iObserver->EmptyBuffer(iBuffer);
+        }
+    else
+        {
+        iObserver->Event(MVoIPUplinkObserver::KUplinkError, aStatus);
+        }
+    }
+
+// ----------------------------------------------------------------------------
+// CQueueHandler::RunError
+// Process requests.
+// ----------------------------------------------------------------------------
+//
+TInt CQueueHandler::RunError(TInt /*aError*/)
+    {
+    // Current implementation of RunL does not leave
+    return 0;
+    }
+
+// ----------------------------------------------------------------------------
+// CQueueHandler::Status
+// Return request status.
+// ----------------------------------------------------------------------------
+//
+TRequestStatus* CQueueHandler::Status()
+    {
+    return &iStatus;
+    }
+
+
+// End of File