--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/devsound/devsoundrefplugin/src/platsec/server/AudioServer/MmfAudioServer.cpp Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,343 @@
+// Copyright (c) 2004-2009 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:
+//
+
+#include <e32math.h>
+#include "MmfAudioServer.h"
+#include "MmfAudioServerStart.h"
+#include "MmfDevSoundSession.h"
+#include "MmfAudioServerSession.h"
+#include "MmfDevSoundServer.h"
+#include "MmfDevSoundServerStart.h"
+#include "mmfbase.hrh"
+
+
+static const TUid KUidDevSoundServer = {KUidMmfDevSoundServerDllUnicodeDefine};
+
+const TInt KAudioServerShutDownDelay = 50000000; //50 sec
+
+
+CMMFAudioServer* CMMFAudioServer::NewL()
+ {
+ CMMFAudioServer* s = new(ELeave) CMMFAudioServer();
+ CleanupStack::PushL(s);
+ s->ConstructL();
+ CleanupStack::Pop();
+ return s;
+ }
+
+CMMFAudioServer::CMMFAudioServer() :
+ CMmfIpcServer(EPriorityStandard)
+ {
+ }
+
+void CMMFAudioServer::ConstructL()
+ {
+ // Call base class to Start server
+ StartL(KAudioServerName);
+ iDelayAudioServerShutDown = CDelayAudioServerShutDown::NewL();
+ // Create an audio policy server
+ iAudioPolicyProxy = new (ELeave) RMMFAudioPolicyProxy();
+ User::LeaveIfError(iAudioPolicyProxy->CreateServer(iPolicyServerHandle));
+ }
+
+CMMFAudioServer::~CMMFAudioServer()
+ {
+ if (iDelayAudioServerShutDown)
+ {
+ iDelayAudioServerShutDown->Cancel();
+ delete iDelayAudioServerShutDown;
+ }
+ iDevSoundServList.ResetAndDestroy();
+ iDevSoundServList.Close();
+ if( iAudioPolicyProxy != NULL)
+ {
+ iAudioPolicyProxy->Close();
+ delete iAudioPolicyProxy;
+ }
+ iPolicyServerHandle.Close();
+ }
+
+CMmfIpcSession* CMMFAudioServer::NewSessionL(const TVersion& aVersion) const
+ {
+ TVersion v(KMMFAudioServerVersion,KMMFAudioServerMinorVersionNumber,KMMFAudioServerBuildVersionNumber);
+ if(!User::QueryVersionSupported(v, aVersion))
+ User::Leave(KErrNotSupported);
+
+ TInt i=0;
+ while(i<iDevSoundServList.Count())
+ {
+ CStartAndMonitorDevSoundThread* devSoundMonitorThread = iDevSoundServList[i];
+ if(!devSoundMonitorThread->IsActive())
+ {
+ iDevSoundServList.Remove(i);
+ delete devSoundMonitorThread;
+ }
+ else
+ {
+ i++;
+ }
+ }
+ iDevSoundServList.Compress();
+
+ RMMFDevSoundServerProxy devSoundSessionHandle;
+ User::LeaveIfError(StartDevSoundServer(devSoundSessionHandle));
+ CMMFAudioServerSession* audioServerSession = CMMFAudioServerSession::NewL(devSoundSessionHandle);
+ return audioServerSession;
+ }
+
+void CMMFAudioServer::IncrementSessionId()
+ {
+ iAudioServerSessionId++;
+ }
+
+void CMMFAudioServer::DecrementSessionId()
+ {
+ iAudioServerSessionId--;
+ }
+
+void CMMFAudioServer::IncrementDevSoundCount()
+ {
+ iDevSoundCount++;
+ if(iDevSoundCount)
+ iDelayAudioServerShutDown->Cancel(); //in the case we started the shutdown due to no more DevSound
+ }
+
+void CMMFAudioServer::DecrementDevSoundCount()
+ {
+ iDevSoundCount--;
+ if ( iDevSoundCount == 0 )
+ {
+ iDelayAudioServerShutDown->SetDelay(TTimeIntervalMicroSeconds32(KAudioServerShutDownDelay));
+ }
+ }
+
+void CMMFAudioServer::SendEventToClient(TInt aSessionToAlert, TInt /*aSessionToBeLaunched*/)
+ {
+ // For the session requested, send event to client
+ iSessionIter.SetToFirst();
+ CMMFAudioServerSession* session = static_cast<CMMFAudioServerSession*>(iSessionIter++);
+ while (session != NULL)
+ {
+ if (session->AudioServerSessionId() == aSessionToAlert)
+ {
+ break; // Finished
+ }
+ session = static_cast<CMMFAudioServerSession*>(iSessionIter++);
+ }
+ }
+
+void CMMFAudioServer::LaunchRequest(TInt aSessionId)
+ {
+ iSessionIter.SetToFirst();
+ CMMFAudioServerSession* session = static_cast<CMMFAudioServerSession*>(iSessionIter++);
+ while (session != NULL)
+ {
+ if (session->AudioServerSessionId() == aSessionId)
+ {
+ break; // Finished
+ }
+ session = static_cast<CMMFAudioServerSession*>(iSessionIter++);
+ }
+ }
+
+TInt CMMFAudioServer::StartDevSoundServer(RMMFDevSoundServerProxy& aDevSoundSessionHandle) const
+ {
+ RMessage2 message(Message());
+ CStartAndMonitorDevSoundThread* monitorDevSound = NULL;
+
+ TRAPD(err, monitorDevSound = CStartAndMonitorDevSoundThread::NewL(const_cast<CMMFAudioServer*>(this)));
+ if(err != KErrNone)
+ {
+ delete monitorDevSound;
+ return err;
+ }
+
+ err = iDevSoundServList.Append(monitorDevSound);
+ if(err != KErrNone)
+ {
+ delete monitorDevSound;
+ return err;
+ }
+
+ return monitorDevSound->StartDevSoundServer(message, aDevSoundSessionHandle);
+
+ }
+
+
+CMMFAudioServer::CDelayAudioServerShutDown* CMMFAudioServer::CDelayAudioServerShutDown::NewL()
+ {
+ CDelayAudioServerShutDown* self = new(ELeave) CDelayAudioServerShutDown;
+ CleanupStack::PushL(self);
+ self->ConstructL();
+ CleanupStack::Pop();
+ return self;
+ }
+
+CMMFAudioServer::CDelayAudioServerShutDown::CDelayAudioServerShutDown() : CActive(0)
+ {
+ }
+
+void CMMFAudioServer::CDelayAudioServerShutDown::ConstructL()
+ {
+ User::LeaveIfError(iShutDownTimer.CreateLocal());
+ CActiveScheduler::Add(this);
+ }
+
+CMMFAudioServer::CDelayAudioServerShutDown::~CDelayAudioServerShutDown()
+ {
+ Cancel();
+ iShutDownTimer.Close();
+ }
+
+
+void CMMFAudioServer::CDelayAudioServerShutDown::SetDelay(TTimeIntervalMicroSeconds32 aDelay)
+ {
+ __ASSERT_ALWAYS(!IsActive(), User::Panic(_L("CDelayedShutDown"), 1));
+ iShutDownTimer.After(iStatus, aDelay);
+ SetActive();
+ }
+
+void CMMFAudioServer::CDelayAudioServerShutDown::RunL()
+ {
+ CActiveScheduler::Stop();
+ }
+
+
+void CMMFAudioServer::CDelayAudioServerShutDown::DoCancel()
+ {
+ iShutDownTimer.Cancel();
+ }
+
+
+CStartAndMonitorDevSoundThread* CStartAndMonitorDevSoundThread::NewL(CMMFAudioServer* aAudioServer)
+ {
+ CStartAndMonitorDevSoundThread* self = new(ELeave) CStartAndMonitorDevSoundThread(aAudioServer);
+ CleanupStack::PushL(self);
+ self->ConstructL();
+ CleanupStack::Pop();
+ return self;
+ }
+
+void CStartAndMonitorDevSoundThread::ConstructL()
+ {
+ CActiveScheduler::Add(this);
+ }
+
+TInt CStartAndMonitorDevSoundThread::StartDevSoundServer(RMessage2& aMessage, RMMFDevSoundServerProxy& aDevSoundSessionHandle)
+ {
+ RThread clientThread;
+ TInt err = aMessage.Client(clientThread);
+ if (err != KErrNone)
+ {
+ return err;
+ }
+ RProcess clientProcess;
+ err = clientThread.Process(clientProcess);
+ if (err != KErrNone)
+ {
+ clientThread.Close();
+ return err;
+ }
+ TProcessId clientProcessId(clientProcess.Id());
+
+ clientThread.Close();
+ clientProcess.Close();
+
+ RServer2 devSoundServerHandle;
+ TDevSoundServerStart start(iAudioServer, clientProcessId, devSoundServerHandle);//Pass to DevSoundServer the clien't process ID
+
+ const TUidType serverUid(KNullUid,KNullUid,KUidDevSoundServer);
+
+ TThreadFunction serverFunc=CMMFDevSoundServer::StartThread;
+
+ err = iServer.Create(_L(""), serverFunc, KDevSoundServerStackSize,
+#ifdef SYMBIAN_USE_SEPARATE_HEAPS
+ KDevSoundServerInitHeapSize, KDevSoundServerMaxHeapSize,
+#else
+ &User::Heap(), //shared heap is now default
+#endif
+ &start, EOwnerProcess);
+
+
+ if(err != KErrNone)
+ return err;
+ // Synchronise with the server
+ TRequestStatus reqStatus;
+ iServer.Rendezvous(reqStatus);
+
+ if (reqStatus!=KRequestPending)
+ {
+ iServer.Kill(0);
+ }
+ else
+ {
+ // Start the test harness
+ iServer.Resume();
+ // Server will call the reciprocal static synchronise call
+ }
+
+ User::WaitForRequest(reqStatus); // wait for start or death
+ if(reqStatus.Int() != KErrNone)
+ {
+ iServer.Close();
+ devSoundServerHandle.Close();
+ return reqStatus.Int();
+ }
+ err = aDevSoundSessionHandle.Open(devSoundServerHandle);
+
+ if(err != KErrNone)
+ {
+ iServer.Close();
+ devSoundServerHandle.Close();
+ return err;
+ }
+ aDevSoundSessionHandle.ShareProtected();
+ iServer.Logon(iStatus);
+ SetActive();
+
+ iAudioServer->IncrementDevSoundCount();
+ return KErrNone;
+ }
+
+
+CStartAndMonitorDevSoundThread::CStartAndMonitorDevSoundThread(CMMFAudioServer* aAudioServer): CActive(0)
+ {
+ iAudioServer = aAudioServer;
+ }
+
+CStartAndMonitorDevSoundThread::~CStartAndMonitorDevSoundThread()
+ {
+ Cancel();
+ }
+
+void CStartAndMonitorDevSoundThread::RunL()
+ {
+ iServer.Close();
+ iAudioServer->DecrementDevSoundCount();
+ }
+
+void CStartAndMonitorDevSoundThread::DoCancel()
+ {
+ iServer.LogonCancel(iStatus);
+ }
+
+TInt RMMFDevSoundServerProxy::Open(RServer2& aDevSoundServerHandle)
+ {
+ TInt err = CreateSession(aDevSoundServerHandle, TVersion(KMMFDevSoundServerVersion,
+ KMMFDevSoundServerMinorVersionNumber,
+ KMMFDevSoundServerBuildVersionNumber), -1, EIpcSession_GlobalSharable);
+ return err;
+ }
+