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os/mm/devsound/sounddevbt/PlatSec/src/Server/AudioServer/MmfBtDevSoundServer.cpp
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib. 
     1 // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #include <e32math.h>

    17 #include "MmfBtDevSoundServer.h"

    18 #include "MmfBtDevSoundServerStart.h"

    19 #include "MmfBtDevSoundSession.h"

    20 

    21 const TInt KDevSoundShutDownDelay = 0; //0 sec

    22 

    23 EXPORT_C CMMFDevSoundServer* CMMFDevSoundServer::NewL(CMMFAudioServer* aAudioServer, TProcessId& aClientPID)

    24 	{

    25 	CMMFDevSoundServer* s = new(ELeave) CMMFDevSoundServer(aAudioServer, aClientPID);

    26 	CleanupStack::PushL(s);

    27 	s->ConstructL();

    28 	CleanupStack::Pop();

    29 	return s;

    30 	}

    31 

    32 CMMFDevSoundServer::CMMFDevSoundServer(CMMFAudioServer* aAudioServer, TProcessId& aClientPID) :

    33 	CMmfIpcServer(EPriorityStandard), iClientPID(aClientPID)

    34 	{

    35 	iAudioServer = aAudioServer;

    36 	}

    37 

    38 void CMMFDevSoundServer::ConstructL()

    39 	{

    40 	RProcess client;

    41 	User::LeaveIfError(client.Open(iClientPID));

    42 	iClientHasCaps = client.HasCapability(ECapabilityMultimediaDD, KSuppressPlatSecDiagnostic);

    43 	client.Close();

    44 

    45 	iDelayDevSoundShutDown = CDelayDevSoundShutDown::NewL();

    46 

    47 	// Call base class to Start server

    48 	TName name(RThread().Name());

    49 	StartL(name);

    50 	}

    51 

    52 CMMFDevSoundServer::~CMMFDevSoundServer()

    53 	{

    54 	if (iDelayDevSoundShutDown)

    55 		{

    56 		iDelayDevSoundShutDown->Cancel();

    57 		delete iDelayDevSoundShutDown;

    58 		}

    59 	}

    60 

    61 CMmfIpcSession* CMMFDevSoundServer::NewSessionL(const TVersion& aVersion) const

    62 	{

    63 	RMessage2 message(Message());

    64 	RThread clientThread;

    65 	message.ClientL(clientThread);

    66 	RProcess clientProcess;

    67 	User::LeaveIfError(clientThread.Process(clientProcess));

    68 

    69 	TProcessId clientProcessID(clientProcess.Id());

    70 	clientThread.Close();

    71 	clientProcess.Close();

    72 

    73 	if(iClientPID != clientProcessID)

    74 		{

    75 		User::Leave(KErrAccessDenied);

    76 		}

    77 

    78 

    79 	TVersion v(KMMFDevSoundServerVersion,KMMFDevSoundServerMinorVersionNumber,KMMFDevSoundServerBuildVersionNumber);

    80 	if(!User::QueryVersionSupported(v, aVersion))

    81 		User::Leave(KErrNotSupported);

    82 	

    83 	CMMFDevSoundSession* devSoundSession = CMMFDevSoundSession::NewL(iAudioServer->PolicyServerHandle());

    84 	return devSoundSession;

    85 	}

    86 

    87 void CMMFDevSoundServer::IncrementSessionId()

    88 	{

    89 	iDevSoundSessionId++;

    90 	if(iDevSoundSessionId)

    91 		iDelayDevSoundShutDown->Cancel();

    92 

    93 	}

    94 

    95 void CMMFDevSoundServer::DecrementSessionId()

    96 	{

    97 	iDevSoundSessionId--;

    98     if ( iDevSoundSessionId == 0 )

    99 		{

   100 		iDelayDevSoundShutDown->SetDelay(TTimeIntervalMicroSeconds32(KDevSoundShutDownDelay));

   101  		}

   102 	}

   103 

   104 void CMMFDevSoundServer::SendEventToClient(TInt aSessionToAlert, TInt /*aSessionToBeLaunched*/)

   105 	{

   106 	// For the session requested, send event to client

   107 	iSessionIter.SetToFirst();

   108 	CMMFDevSoundSession* session = static_cast<CMMFDevSoundSession*>(iSessionIter++);

   109 	while (session != NULL)

   110 		{

   111 		if (session->DevSoundSessionId() == aSessionToAlert)

   112 			{

   113 			break;  // Finished

   114 			}

   115 		session = static_cast<CMMFDevSoundSession*>(iSessionIter++);

   116 		}

   117 	}

   118 

   119 void CMMFDevSoundServer::LaunchRequest(TInt aSessionId)

   120 	{

   121 	iSessionIter.SetToFirst();

   122 	CMMFDevSoundSession* session = static_cast<CMMFDevSoundSession*>(iSessionIter++);

   123 	while (session != NULL)

   124 		{

   125 		if (session->DevSoundSessionId() == aSessionId)

   126 			{

   127 			break;  // Finished

   128 			}

   129 		session = static_cast<CMMFDevSoundSession*>(iSessionIter++);

   130 		}

   131 	}

   132 

   133 TBool CMMFDevSoundServer::CheckClientCapabilities()

   134 	{

   135 	return iClientHasCaps;

   136 	}

   137 

   138 void CMMFDevSoundServer::SetClientCapabilitiesL(TThreadId aTid)

   139 	{

   140 	RThread clientThread;

   141 	User::LeaveIfError(clientThread.Open(aTid));

   142 	CleanupClosePushL(clientThread);

   143 	

   144 	RProcess clientProcess;

   145 	User::LeaveIfError(clientThread.Process(clientProcess));

   146 	CleanupClosePushL(clientProcess);

   147 	

   148 	iClientHasCaps = clientProcess.HasCapability(ECapabilityMultimediaDD, KSuppressPlatSecDiagnostic);

   149 	

   150 	CleanupStack::PopAndDestroy(2, &clientThread);	// clientProcess, clientThread

   151 	}

   152 

   153 CMMFDevSoundServer::CDelayDevSoundShutDown* CMMFDevSoundServer::CDelayDevSoundShutDown::NewL()

   154 	{

   155 	CDelayDevSoundShutDown* self = new(ELeave) CDelayDevSoundShutDown;

   156 	CleanupStack::PushL(self);

   157 	self->ConstructL();

   158 	CleanupStack::Pop();

   159 	return self;

   160 	}

   161 

   162 CMMFDevSoundServer::CDelayDevSoundShutDown::CDelayDevSoundShutDown() : CActive(0)

   163 	{

   164 	}

   165         

   166 void CMMFDevSoundServer::CDelayDevSoundShutDown::ConstructL()

   167 	{

   168 	User::LeaveIfError(iTimer.CreateLocal());

   169 	CActiveScheduler::Add(this);

   170 	}

   171 

   172 CMMFDevSoundServer::CDelayDevSoundShutDown::~CDelayDevSoundShutDown()

   173 	{

   174 	Cancel();

   175 	iTimer.Close();

   176 	}

   177 

   178 

   179 void CMMFDevSoundServer::CDelayDevSoundShutDown::SetDelay(TTimeIntervalMicroSeconds32 aDelay)

   180 	{

   181 	__ASSERT_ALWAYS(!IsActive(),

   182 	User::Panic(_L("CDelayedShutDown"), 1));

   183 	iTimer.After(iStatus, aDelay);

   184 	SetActive();

   185 	}

   186 

   187 void CMMFDevSoundServer::CDelayDevSoundShutDown::RunL()

   188 	{

   189 	CActiveScheduler::Stop();

   190 	}

   191 

   192 void CMMFDevSoundServer::CDelayDevSoundShutDown::DoCancel()

   193 	{

   194 	iTimer.Cancel();

   195 	}

   196   

   197 

   198         

   199
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