mmserv/tms/tmsimpl/src/tmsqueuehandler.cpp
changeset 0 71ca22bcf22a
child 3 4f62049db6ac
equal deleted inserted replaced
-1:000000000000 0:71ca22bcf22a
       
     1 /*
       
     2  * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     3  * All rights reserved.
       
     4  * This component and the accompanying materials are made available
       
     5  * under the terms of "Eclipse Public License v1.0"
       
     6  * which accompanies this distribution, and is available
       
     7  * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8  *
       
     9  * Initial Contributors:
       
    10  * Nokia Corporation - initial contribution.
       
    11  *
       
    12  * Contributors:
       
    13  *
       
    14  * Description: Telephony Multimedia Service
       
    15  *
       
    16  */
       
    17 
       
    18 #include <tms.h>
       
    19 #include <tmsbuffer.h>
       
    20 #include "tmsutility.h"
       
    21 #include "tmsshared.h"
       
    22 #include "tmsqueuehandler.h"
       
    23 #include "tmsmembuffer.h"
       
    24 #include "tmsglobalcontext.h"
       
    25 #include "tmscallproxy.h"
       
    26 
       
    27 using namespace TMS;
       
    28 
       
    29 // ----------------------------------------------------------------------------
       
    30 // CQueueHandler::NewL
       
    31 // Symbian constructor
       
    32 // ----------------------------------------------------------------------------
       
    33 //
       
    34 CQueueHandler* CQueueHandler::NewL(RMsgQueue<TmsMsgBuf>* aMsgQueue,
       
    35         TMSGlobalContext* glblCtx)
       
    36     {
       
    37     CQueueHandler* self = new (ELeave) CQueueHandler(aMsgQueue, glblCtx);
       
    38     CleanupStack::PushL(self);
       
    39     self->ConstructL();
       
    40     CleanupStack::Pop(self);
       
    41     return self;
       
    42     }
       
    43 
       
    44 // ----------------------------------------------------------------------------
       
    45 // CQueueHandler::ConstructL
       
    46 // Second phase constructor.
       
    47 // ----------------------------------------------------------------------------
       
    48 //
       
    49 void CQueueHandler::ConstructL()
       
    50     {
       
    51     }
       
    52 
       
    53 // ----------------------------------------------------------------------------
       
    54 // CQueueHandler::~CQueueHandler
       
    55 // Destructor.
       
    56 // ----------------------------------------------------------------------------
       
    57 //
       
    58 CQueueHandler::~CQueueHandler()
       
    59     {
       
    60     Cancel();
       
    61     iObserversList.Reset();
       
    62     iClientList.Reset();
       
    63     iChunk.Close();
       
    64     delete iBuffer;
       
    65     }
       
    66 
       
    67 // ----------------------------------------------------------------------------
       
    68 // CQueueHandler::CQueueHandler
       
    69 // Constructor.
       
    70 // ----------------------------------------------------------------------------
       
    71 //
       
    72 CQueueHandler::CQueueHandler(RMsgQueue<TmsMsgBuf>* aMsgQueue,
       
    73         TMSGlobalContext* glblCtx) :
       
    74     CActive(CActive::EPriorityStandard),
       
    75     iMsgQueue(aMsgQueue),
       
    76     iChunkDataPtr(0, 0, 0)
       
    77     {
       
    78     CActiveScheduler::Add(this);
       
    79     iTMSGlobalContext = glblCtx;
       
    80     }
       
    81 
       
    82 // ----------------------------------------------------------------------------
       
    83 // CQueueHandler::Start
       
    84 // Start listening for events on queue 0.
       
    85 // ----------------------------------------------------------------------------
       
    86 //
       
    87 void CQueueHandler::Start()
       
    88     {
       
    89     if (!IsActive() && iMsgQueue)
       
    90         {
       
    91         iMsgQueue->NotifyDataAvailable(iStatus);
       
    92         SetActive();
       
    93         }
       
    94     }
       
    95 
       
    96 TInt CQueueHandler::AddObserver(MQueueHandlerObserver& aObserver,
       
    97         TInt aClientId)
       
    98     {
       
    99     // Add to list if observer is not already added
       
   100     TInt status = iObserversList.Find(&aObserver);
       
   101     if (status == KErrNotFound)
       
   102         {
       
   103         status = iObserversList.Append(&aObserver);
       
   104         status = iClientList.Append(aClientId);
       
   105         }
       
   106     else
       
   107         {
       
   108         status = KErrAlreadyExists;
       
   109         }
       
   110     return status;
       
   111     }
       
   112 
       
   113 // Marks observer as inactive in the list
       
   114 TInt CQueueHandler::RemoveObserver(MQueueHandlerObserver& aObserver)
       
   115     {
       
   116     TInt status(KErrNone);
       
   117     TInt index = iObserversList.Find(&aObserver);
       
   118     // If found status has index to observer in the array
       
   119     // else it would contain KErrNotFound
       
   120     if (index >= 0)
       
   121         {
       
   122         iObserversList.Remove(index);
       
   123         iClientList.Remove(index);
       
   124         status = KErrNone;
       
   125         }
       
   126     else
       
   127         {
       
   128         status = KErrNotFound;
       
   129         }
       
   130     return status;
       
   131     }
       
   132 
       
   133 // ----------------------------------------------------------------------------
       
   134 // CQueueHandler::DoCancel
       
   135 // Cancel outstanding request
       
   136 // ----------------------------------------------------------------------------
       
   137 //
       
   138 void CQueueHandler::DoCancel()
       
   139     {
       
   140     if (iMsgQueue)
       
   141         {
       
   142         iMsgQueue->CancelDataAvailable();
       
   143         }
       
   144     }
       
   145 
       
   146 // ----------------------------------------------------------------------------
       
   147 // CQueueHandler::RunL
       
   148 // Process requests.
       
   149 // ----------------------------------------------------------------------------
       
   150 //
       
   151 void CQueueHandler::RunL()
       
   152     {
       
   153     TmsMsgBuf msgBuf;
       
   154     TInt err = KErrNone;
       
   155 
       
   156     if (iMsgQueue)
       
   157         {
       
   158         iMsgQueue->Receive(msgBuf);
       
   159         }
       
   160     else
       
   161         {
       
   162         err = KErrGeneral;
       
   163         }
       
   164 
       
   165     // Start monitoring for more events before calling the observer as client
       
   166     // may decide to destroy us before this RunL completes executing.
       
   167     Start();
       
   168 
       
   169     if (err == KErrNone)
       
   170         {
       
   171         switch (msgBuf.iRequest)
       
   172             {
       
   173             case ECmdDownlinkInitComplete:
       
   174             case ECmdUplinkInitComplete:
       
   175             case ECmdDownlinkDeInitComplete:
       
   176             case ECmdUplinkDeInitComplete:
       
   177             case ECmdDownlinkStarted:
       
   178             case ECmdUplinkStarted:
       
   179             case ECmdDownlinkPaused:
       
   180             case ECmdUplinkPaused:
       
   181                 {
       
   182                 TInt index = FindStreamInList();
       
   183                 if (index != KErrNotFound)
       
   184                     {
       
   185                     TMSStreamState streamstate = ConvertToStreamState(
       
   186                             msgBuf.iRequest);
       
   187                     iObserversList[index]->QueueEvent(streamstate,
       
   188                             msgBuf.iStatus, NULL);
       
   189                     }
       
   190                 else
       
   191                     {
       
   192                     // This should never happen
       
   193                     err = KErrNotFound;
       
   194                     }
       
   195                 break;
       
   196                 }
       
   197             case ECmdFillBuffer:
       
   198                 {
       
   199                 DoFillBuffer(msgBuf.iInt, msgBuf.iStatus, msgBuf.iBool,
       
   200                         msgBuf.iUint32);
       
   201                 break;
       
   202                 }
       
   203             case ECmdEmptyBuffer:
       
   204                 {
       
   205                 DoEmptyBuffer(msgBuf.iInt, msgBuf.iStatus, msgBuf.iBool,
       
   206                         msgBuf.iUint32);
       
   207                 break;
       
   208                 }
       
   209             case ECmdDownlinkClosed:
       
   210                 {
       
   211                 iChunk.Close();
       
   212                 break;
       
   213                 }
       
   214             case ECmdUplinkClosed:
       
   215                 {
       
   216                 iChunk.Close();
       
   217                 break;
       
   218                 }
       
   219             case ECmdDnLinkError:
       
   220                 {
       
   221                 break;
       
   222                 }
       
   223             case ECmdUpLinkError:
       
   224                 {
       
   225                 break;
       
   226                 }
       
   227             case ECmdSetGain:
       
   228                 {
       
   229                 TInt index = FindGainEffectInList();
       
   230                 if (index != KErrNotFound)
       
   231                     {
       
   232                     iObserversList[index]->QueueEvent(TMS_EVENT_EFFECT_GAIN_CHANGED,
       
   233                             msgBuf.iStatus, NULL);
       
   234                     }
       
   235                 }
       
   236                 break;
       
   237             case ECmdSetVolume:
       
   238                 {
       
   239                 TInt index = FindVolEffectInList();
       
   240                 if (index != KErrNotFound)
       
   241                     {
       
   242                     iObserversList[index]->QueueEvent(TMS_EVENT_EFFECT_VOL_CHANGED,
       
   243                             msgBuf.iStatus, NULL);
       
   244                     }
       
   245                 }
       
   246                 break;
       
   247             default:
       
   248                 break;
       
   249             }
       
   250         }
       
   251     }
       
   252 
       
   253 // ----------------------------------------------------------------------------
       
   254 // CQueueHandler::DoFillBuffer
       
   255 //
       
   256 // ----------------------------------------------------------------------------
       
   257 //
       
   258 void CQueueHandler::DoFillBuffer(TInt aBufLen, TInt aStatus,
       
   259         TBool aOpenChunk, TUint32 key)
       
   260     {
       
   261     TInt err = KErrNone;
       
   262 
       
   263     // See if chunk needs to be opened
       
   264     if (aOpenChunk)
       
   265         {
       
   266         if (iChunk.Handle())
       
   267             {
       
   268             iChunk.Close();
       
   269             }
       
   270         delete iBuffer;
       
   271         iBuffer = NULL;
       
   272 
       
   273         // Get handle to chunk from proxy
       
   274         TInt hndl(0);
       
   275         err = KErrNotReady;
       
   276         if (iTMSGlobalContext->CallProxy)
       
   277             {
       
   278             hndl = (iTMSGlobalContext->CallProxy)->GetDataXferChunkHandle(
       
   279                     iTMSGlobalContext->CallType,
       
   280                     iTMSGlobalContext->StreamType,
       
   281                     iTMSGlobalContext->StreamId,
       
   282                     key);
       
   283             err = iChunk.SetReturnedHandle(hndl);
       
   284             }
       
   285         }
       
   286 
       
   287     if (err == KErrNone)
       
   288         {
       
   289         iChunkDataPtr.Set(iChunk.Base(), 0, aBufLen);
       
   290         if (!iBuffer)
       
   291             {
       
   292             TMSMemBuffer::Create((guint) aBufLen,
       
   293                     const_cast<guint8*> (iChunkDataPtr.Ptr()), iBuffer);
       
   294             }
       
   295         iBuffer->SetDataSize(aBufLen);
       
   296 
       
   297         TInt index = iClientList.Find(TMS_SOURCE_CLIENT);
       
   298         if (index != KErrNotFound)
       
   299             {
       
   300             iObserversList[index]->QueueEvent(
       
   301                     TMS_EVENT_SOURCE_FILL_BUFFER, aStatus, iBuffer);
       
   302             }
       
   303         else
       
   304             {
       
   305             err = KErrNotFound;
       
   306             }
       
   307         }
       
   308     else
       
   309         {
       
   310         // TODO handle error here
       
   311         }
       
   312     }
       
   313 
       
   314 // ----------------------------------------------------------------------------
       
   315 // CQueueHandler::DoEmptyBuffer
       
   316 //
       
   317 // ----------------------------------------------------------------------------
       
   318 //
       
   319 void CQueueHandler::DoEmptyBuffer(TInt aBufLen, TInt aStatus,
       
   320         TBool aOpenChunk, TUint32 key)
       
   321     {
       
   322     TInt err(KErrNone);
       
   323 
       
   324     // See if chunk needs to be opened
       
   325     if (aOpenChunk)
       
   326         {
       
   327         if (iChunk.Handle())
       
   328             {
       
   329             iChunk.Close();
       
   330             }
       
   331 
       
   332         // Get handle to chunk from proxy
       
   333         TInt hndl(0);
       
   334         err = KErrNotReady;
       
   335         if (iTMSGlobalContext->CallProxy)
       
   336             {
       
   337             hndl = (iTMSGlobalContext->CallProxy)->GetDataXferChunkHandle(
       
   338                     iTMSGlobalContext->CallType,
       
   339                     iTMSGlobalContext->StreamType,
       
   340                     iTMSGlobalContext->StreamId,
       
   341                     key);
       
   342             err = iChunk.SetReturnedHandle(hndl);
       
   343             }
       
   344         // TODO handle error here
       
   345         delete iBuffer;
       
   346         iBuffer = NULL;
       
   347         }
       
   348 
       
   349     if (err == KErrNone)
       
   350         {
       
   351         iChunkDataPtr.Set(iChunk.Base(), aBufLen, aBufLen);
       
   352         if (!iBuffer)
       
   353             {
       
   354             TMSMemBuffer::Create((guint) aBufLen,
       
   355                     const_cast<guint8*> (iChunkDataPtr.Ptr()), iBuffer);
       
   356             }
       
   357         iBuffer->SetDataSize(aBufLen);
       
   358         TInt index = iClientList.Find(TMS_SINK_CLIENT);
       
   359         if (index != KErrNotFound)
       
   360             {
       
   361             iObserversList[index]->QueueEvent(
       
   362                     TMS_EVENT_SINK_PROCESS_BUFFER, aStatus, iBuffer);
       
   363             }
       
   364         else
       
   365             {
       
   366             err = KErrNotFound;
       
   367             }
       
   368         }
       
   369     else
       
   370         {
       
   371         //iObserver->Event(MVoIPUplinkObserver::KUplinkError, aStatus);
       
   372         }
       
   373     }
       
   374 
       
   375 // ----------------------------------------------------------------------------
       
   376 // CQueueHandler::ConvertToStreamState
       
   377 //
       
   378 // ----------------------------------------------------------------------------
       
   379 //
       
   380 TMSStreamState CQueueHandler::ConvertToStreamState(TInt request)
       
   381     {
       
   382     TMSStreamState state = TMS_STREAM_UNINITIALIZED;
       
   383     switch (request)
       
   384         {
       
   385         case ECmdDownlinkInitComplete:
       
   386         case ECmdUplinkInitComplete:
       
   387             state = TMS_STREAM_INITIALIZED;
       
   388             break;
       
   389         case ECmdDownlinkStarted:
       
   390         case ECmdUplinkStarted:
       
   391             state = TMS_STREAM_STARTED;
       
   392             break;
       
   393         case ECmdDownlinkPaused:
       
   394         case ECmdUplinkPaused:
       
   395             state = TMS_STREAM_PAUSED;
       
   396             break;
       
   397         case ECmdDownlinkDeInitComplete:
       
   398         case ECmdUplinkDeInitComplete:
       
   399             state = TMS_STREAM_UNINITIALIZED;
       
   400             break;
       
   401         default:
       
   402             break;
       
   403         }
       
   404     return state;
       
   405     }
       
   406 
       
   407 // ----------------------------------------------------------------------------
       
   408 // CQueueHandler::RunError
       
   409 // Process requests.
       
   410 // ----------------------------------------------------------------------------
       
   411 //
       
   412 TInt CQueueHandler::RunError(TInt /*aError*/)
       
   413     {
       
   414     // Current implementation of RunL does not leave
       
   415     return 0;
       
   416     }
       
   417 
       
   418 // ----------------------------------------------------------------------------
       
   419 // CQueueHandler::Status
       
   420 // Return request status.
       
   421 // ----------------------------------------------------------------------------
       
   422 //
       
   423 TRequestStatus* CQueueHandler::Status()
       
   424     {
       
   425     return &iStatus;
       
   426     }
       
   427 
       
   428 // ----------------------------------------------------------------------------
       
   429 // CQueueHandler::FindStreamInList
       
   430 // Return stream index.
       
   431 // ----------------------------------------------------------------------------
       
   432 //
       
   433 TInt CQueueHandler::FindStreamInList()
       
   434     {
       
   435     gint index(-1);
       
   436     index = iClientList.Find(TMS_STREAM_UPLINK);
       
   437     if (index == KErrNotFound)
       
   438         {
       
   439         index = iClientList.Find(TMS_STREAM_DOWNLINK);
       
   440         return index;
       
   441         }
       
   442     return index;
       
   443     }
       
   444 
       
   445 // ----------------------------------------------------------------------------
       
   446 // CQueueHandler::FindGainEffectInList
       
   447 // Return effect index.
       
   448 // ----------------------------------------------------------------------------
       
   449 //
       
   450 TInt CQueueHandler::FindGainEffectInList()
       
   451     {
       
   452     gint index(-1);
       
   453     index = iClientList.Find(TMS_EFFECT_GAIN);
       
   454     return index;
       
   455     }
       
   456 
       
   457 // ----------------------------------------------------------------------------
       
   458 // CQueueHandler::FindVolEffectInList
       
   459 // Return effect index.
       
   460 // ----------------------------------------------------------------------------
       
   461 //
       
   462 TInt CQueueHandler::FindVolEffectInList()
       
   463     {
       
   464     gint index(-1);
       
   465     index = iClientList.Find(TMS_EFFECT_VOLUME);
       
   466     return index;
       
   467     }
       
   468 
       
   469 // End of File