sl@0: // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #include <e32math.h>
sl@0: #include "MmfAudioServer.h"
sl@0: #include "MmfAudioServerStart.h"
sl@0: #include "MmfDevSoundSession.h"
sl@0: #include "MmfAudioServerSession.h"
sl@0: #include "MmfDevSoundServer.h"
sl@0: #include "MmfDevSoundServerStart.h"
sl@0: #include "mmfbase.hrh"
sl@0: 
sl@0: 
sl@0: static const TUid KUidDevSoundServer = {KUidMmfDevSoundServerDllUnicodeDefine};
sl@0: 
sl@0: const TInt KAudioServerShutDownDelay = 50000000; //50 sec
sl@0: 
sl@0: 
sl@0: CMMFAudioServer* CMMFAudioServer::NewL()
sl@0: 	{
sl@0: 	CMMFAudioServer* s = new(ELeave) CMMFAudioServer();
sl@0: 	CleanupStack::PushL(s);
sl@0: 	s->ConstructL();
sl@0: 	CleanupStack::Pop();
sl@0: 	return s;
sl@0: 	}
sl@0: 
sl@0: CMMFAudioServer::CMMFAudioServer() :
sl@0: 	CMmfIpcServer(EPriorityStandard)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CMMFAudioServer::ConstructL()
sl@0: 	{
sl@0: 	// Call base class to Start server
sl@0: 	StartL(KAudioServerName);
sl@0: 	iDelayAudioServerShutDown = CDelayAudioServerShutDown::NewL();
sl@0: 	// Create an audio policy server
sl@0: 	iAudioPolicyProxy = new (ELeave) RMMFAudioPolicyProxy();	
sl@0: 	User::LeaveIfError(iAudioPolicyProxy->CreateServer(iPolicyServerHandle));
sl@0: 	}
sl@0: 
sl@0: CMMFAudioServer::~CMMFAudioServer()
sl@0: 	{
sl@0: 	if (iDelayAudioServerShutDown)
sl@0: 		{
sl@0: 		iDelayAudioServerShutDown->Cancel();
sl@0: 		delete iDelayAudioServerShutDown;
sl@0: 		}
sl@0: 	iDevSoundServList.ResetAndDestroy();
sl@0: 	iDevSoundServList.Close();
sl@0: 	if( iAudioPolicyProxy != NULL)
sl@0: 		{
sl@0: 		iAudioPolicyProxy->Close(); 
sl@0: 		delete iAudioPolicyProxy;
sl@0: 		}	
sl@0: 	iPolicyServerHandle.Close();
sl@0: 	}
sl@0: 
sl@0: CMmfIpcSession* CMMFAudioServer::NewSessionL(const TVersion& aVersion) const
sl@0: 	{
sl@0: 	TVersion v(KMMFAudioServerVersion,KMMFAudioServerMinorVersionNumber,KMMFAudioServerBuildVersionNumber);
sl@0: 	if(!User::QueryVersionSupported(v, aVersion))
sl@0: 		User::Leave(KErrNotSupported);
sl@0: 
sl@0: 	TInt i=0;
sl@0: 	while(i<iDevSoundServList.Count())
sl@0: 		{
sl@0: 		CStartAndMonitorDevSoundThread* devSoundMonitorThread = iDevSoundServList[i];
sl@0: 		if(!devSoundMonitorThread->IsActive())
sl@0: 			{
sl@0: 			iDevSoundServList.Remove(i);
sl@0: 			delete devSoundMonitorThread;
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			i++;
sl@0: 			}
sl@0: 		}
sl@0: 	iDevSoundServList.Compress();
sl@0: 
sl@0: 	RMMFDevSoundServerProxy devSoundSessionHandle;
sl@0: 	User::LeaveIfError(StartDevSoundServer(devSoundSessionHandle));
sl@0: 	CMMFAudioServerSession* audioServerSession = CMMFAudioServerSession::NewL(devSoundSessionHandle);
sl@0: 	return audioServerSession;
sl@0: 	}
sl@0: 
sl@0: void CMMFAudioServer::IncrementSessionId()
sl@0: 	{
sl@0: 	iAudioServerSessionId++;
sl@0: 	}
sl@0: 
sl@0: void CMMFAudioServer::DecrementSessionId()
sl@0: 	{
sl@0: 	iAudioServerSessionId--;
sl@0: 	}
sl@0: 
sl@0: void CMMFAudioServer::IncrementDevSoundCount()
sl@0: 	{
sl@0: 	iDevSoundCount++;
sl@0: 	if(iDevSoundCount)
sl@0: 		iDelayAudioServerShutDown->Cancel(); //in the case we started the shutdown due to no more DevSound
sl@0: 	}
sl@0: 
sl@0: void CMMFAudioServer::DecrementDevSoundCount()
sl@0: 	{
sl@0: 	iDevSoundCount--;
sl@0:     if ( iDevSoundCount == 0 )
sl@0: 		{
sl@0: 		iDelayAudioServerShutDown->SetDelay(TTimeIntervalMicroSeconds32(KAudioServerShutDownDelay));
sl@0:  		}
sl@0: 	}
sl@0: 
sl@0: void CMMFAudioServer::SendEventToClient(TInt aSessionToAlert, TInt /*aSessionToBeLaunched*/)
sl@0: 	{
sl@0: 	// For the session requested, send event to client
sl@0: 	iSessionIter.SetToFirst();
sl@0: 	CMMFAudioServerSession* session = static_cast<CMMFAudioServerSession*>(iSessionIter++);
sl@0: 	while (session != NULL)
sl@0: 		{
sl@0: 		if (session->AudioServerSessionId() == aSessionToAlert)
sl@0: 			{
sl@0: 			break;  // Finished
sl@0: 			}
sl@0: 		session = static_cast<CMMFAudioServerSession*>(iSessionIter++);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CMMFAudioServer::LaunchRequest(TInt aSessionId)
sl@0: 	{
sl@0: 	iSessionIter.SetToFirst();
sl@0: 	CMMFAudioServerSession* session = static_cast<CMMFAudioServerSession*>(iSessionIter++);
sl@0: 	while (session != NULL)
sl@0: 		{
sl@0: 		if (session->AudioServerSessionId() == aSessionId)
sl@0: 			{
sl@0: 			break;  // Finished
sl@0: 			}
sl@0: 		session = static_cast<CMMFAudioServerSession*>(iSessionIter++);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: TInt CMMFAudioServer::StartDevSoundServer(RMMFDevSoundServerProxy& aDevSoundSessionHandle) const
sl@0: 	{
sl@0: 	RMessage2 message(Message());
sl@0: 	CStartAndMonitorDevSoundThread* monitorDevSound = NULL;
sl@0: 
sl@0: 	TRAPD(err, monitorDevSound = CStartAndMonitorDevSoundThread::NewL(const_cast<CMMFAudioServer*>(this)));
sl@0: 	if(err != KErrNone)
sl@0: 		{
sl@0: 		delete monitorDevSound;
sl@0: 		return err;
sl@0: 		}
sl@0: 
sl@0: 	err = iDevSoundServList.Append(monitorDevSound);
sl@0: 	if(err != KErrNone)
sl@0: 		{
sl@0: 		delete monitorDevSound;
sl@0: 		return err;
sl@0: 		}
sl@0: 	
sl@0: 	return monitorDevSound->StartDevSoundServer(message, aDevSoundSessionHandle);
sl@0: 
sl@0: 	}
sl@0: 
sl@0: 
sl@0: CMMFAudioServer::CDelayAudioServerShutDown* CMMFAudioServer::CDelayAudioServerShutDown::NewL()
sl@0: 	{
sl@0: 	CDelayAudioServerShutDown* self = new(ELeave) CDelayAudioServerShutDown;
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL();
sl@0: 	CleanupStack::Pop();
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: CMMFAudioServer::CDelayAudioServerShutDown::CDelayAudioServerShutDown() : CActive(0)
sl@0: 	{
sl@0: 	}
sl@0:         
sl@0: void CMMFAudioServer::CDelayAudioServerShutDown::ConstructL()
sl@0: 	{
sl@0: 	User::LeaveIfError(iShutDownTimer.CreateLocal());
sl@0: 	CActiveScheduler::Add(this);
sl@0: 	}
sl@0: 
sl@0: CMMFAudioServer::CDelayAudioServerShutDown::~CDelayAudioServerShutDown()
sl@0: 	{
sl@0: 	Cancel();
sl@0: 	iShutDownTimer.Close();
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void CMMFAudioServer::CDelayAudioServerShutDown::SetDelay(TTimeIntervalMicroSeconds32 aDelay)
sl@0: 	{
sl@0: 	__ASSERT_ALWAYS(!IsActive(), User::Panic(_L("CDelayedShutDown"), 1));
sl@0: 	iShutDownTimer.After(iStatus, aDelay);
sl@0: 	SetActive();
sl@0: 	}
sl@0: 
sl@0: void CMMFAudioServer::CDelayAudioServerShutDown::RunL()
sl@0: 	{
sl@0: 	CActiveScheduler::Stop();
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void CMMFAudioServer::CDelayAudioServerShutDown::DoCancel()
sl@0: 	{
sl@0: 	iShutDownTimer.Cancel();
sl@0: 	}
sl@0: 
sl@0: 
sl@0: CStartAndMonitorDevSoundThread* CStartAndMonitorDevSoundThread::NewL(CMMFAudioServer* aAudioServer)
sl@0: 	{
sl@0: 	CStartAndMonitorDevSoundThread* self = new(ELeave) CStartAndMonitorDevSoundThread(aAudioServer);
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL();
sl@0: 	CleanupStack::Pop();
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: void CStartAndMonitorDevSoundThread::ConstructL()
sl@0: 	{
sl@0: 	CActiveScheduler::Add(this);
sl@0: 	}
sl@0: 	
sl@0: TInt CStartAndMonitorDevSoundThread::StartDevSoundServer(RMessage2& aMessage, RMMFDevSoundServerProxy& aDevSoundSessionHandle)
sl@0: 	{
sl@0: 	RThread clientThread;
sl@0: 	TInt err = aMessage.Client(clientThread);
sl@0: 	if (err != KErrNone)
sl@0: 		{
sl@0: 		return err;
sl@0: 		}
sl@0: 	RProcess clientProcess;
sl@0:     err = clientThread.Process(clientProcess);
sl@0: 	if (err != KErrNone)
sl@0: 		{
sl@0: 		clientThread.Close();	
sl@0: 		return err;
sl@0: 		}
sl@0: 	TProcessId clientProcessId(clientProcess.Id());
sl@0: 
sl@0: 	clientThread.Close();
sl@0: 	clientProcess.Close();
sl@0: 
sl@0: 	RServer2 devSoundServerHandle;
sl@0: 	TDevSoundServerStart start(iAudioServer, clientProcessId, devSoundServerHandle);//Pass to DevSoundServer the clien't process ID 
sl@0: 
sl@0: 	const TUidType serverUid(KNullUid,KNullUid,KUidDevSoundServer);
sl@0: 	
sl@0: 	TThreadFunction serverFunc=CMMFDevSoundServer::StartThread;
sl@0: 	
sl@0: 	err = iServer.Create(_L(""), serverFunc, KDevSoundServerStackSize,
sl@0: #ifdef SYMBIAN_USE_SEPARATE_HEAPS
sl@0: 	                	KDevSoundServerInitHeapSize, KDevSoundServerMaxHeapSize,
sl@0: #else
sl@0: 						&User::Heap(), //shared heap is now default
sl@0: #endif
sl@0: 	                	&start, EOwnerProcess);
sl@0: 				
sl@0: 
sl@0: 	if(err != KErrNone)
sl@0: 		return err;
sl@0: 	// Synchronise with the server
sl@0: 	TRequestStatus reqStatus;
sl@0: 	iServer.Rendezvous(reqStatus);
sl@0: 	
sl@0: 	if (reqStatus!=KRequestPending)
sl@0: 		{
sl@0: 		iServer.Kill(0);
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		// Start the test harness
sl@0: 		iServer.Resume();
sl@0: 		// Server will call the reciprocal static synchronise call	
sl@0: 		}
sl@0: 
sl@0: 	User::WaitForRequest(reqStatus); // wait for start or death
sl@0: 	if(reqStatus.Int() != KErrNone)
sl@0: 		{
sl@0: 		iServer.Close();
sl@0: 		devSoundServerHandle.Close();
sl@0: 		return reqStatus.Int();
sl@0: 		}
sl@0: 	err = aDevSoundSessionHandle.Open(devSoundServerHandle);
sl@0: 	
sl@0: 	if(err != KErrNone)
sl@0: 		{
sl@0: 		iServer.Close();
sl@0: 		devSoundServerHandle.Close();
sl@0: 		return err;
sl@0: 		}
sl@0: 	aDevSoundSessionHandle.ShareProtected();
sl@0: 	iServer.Logon(iStatus);
sl@0: 	SetActive();
sl@0: 
sl@0: 	iAudioServer->IncrementDevSoundCount();
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: CStartAndMonitorDevSoundThread::CStartAndMonitorDevSoundThread(CMMFAudioServer* aAudioServer): CActive(0)
sl@0: 	{
sl@0: 	iAudioServer = aAudioServer;
sl@0: 	}
sl@0: 
sl@0: CStartAndMonitorDevSoundThread::~CStartAndMonitorDevSoundThread()
sl@0: 	{
sl@0: 	Cancel();
sl@0: 	}
sl@0:     
sl@0: void CStartAndMonitorDevSoundThread::RunL()
sl@0: 	{
sl@0: 	iServer.Close();
sl@0: 	iAudioServer->DecrementDevSoundCount();
sl@0: 	}
sl@0: 
sl@0: void CStartAndMonitorDevSoundThread::DoCancel()
sl@0: 	{
sl@0: 	iServer.LogonCancel(iStatus);
sl@0: 	}
sl@0: 
sl@0: TInt RMMFDevSoundServerProxy::Open(RServer2& aDevSoundServerHandle)
sl@0: 	{
sl@0: 	TInt err = CreateSession(aDevSoundServerHandle, TVersion(KMMFDevSoundServerVersion,
sl@0: 														KMMFDevSoundServerMinorVersionNumber,
sl@0: 														KMMFDevSoundServerBuildVersionNumber), -1, EIpcSession_GlobalSharable);
sl@0: 	return err;
sl@0: 	}
sl@0: