/*+
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* Copyright (c) 2002-2005 Nokia Corporation and/or its subsidiary(-ies). +
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* All rights reserved.+
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* This component and the accompanying materials are made available+
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* under the terms of "Eclipse Public License v1.0"+
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* which accompanies this distribution, and is available+
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".+
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*+
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* Initial Contributors:+
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* Nokia Corporation - initial contribution.+
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*+
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* Contributors:+
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*+
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* Description:  Server connection handler.+
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*+
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*/+
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+
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+
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+
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// INCLUDE FILES+
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#include    <e32math.h>+
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#include    <e32uid.h>+
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#include    "PhCltTypes.h"+
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#include    "RPhCltServer.h"+
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#include    "PhCltClientServer.h"+
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+
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// CONSTANTS+
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+
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// Information of Phone Server Startup failure, used in panic call.+
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_LIT( PH_SRV_SU_FAILURE, "PhSrvStartUp" );+
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+
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// The number of Phone Server startup attempts.+
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const TInt KPhCltNumberOfRetryAttempts = 4;+
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+
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// The phase were the Phone Server failure happened.+
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// Useful in debug purposes if Phone Server startup fails.+
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enum +
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    {+
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    EPhSrvStartupFailurePhase1,  // First phase+
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    EPhSrvStartupFailurePhase2   // Second phase+
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    };     +
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+
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+
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+
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// ============================ MEMBER FUNCTIONS ===============================+
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+
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+
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// -----------------------------------------------------------------------------+
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// RPhCltServer::RPhCltServer+
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// C++ constructor can NOT contain any code, that+
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// might leave.+
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// -----------------------------------------------------------------------------+
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//+
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EXPORT_C RPhCltServer::RPhCltServer() +
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    : RSessionBase()+
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    {+
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    }+
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+
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// -----------------------------------------------------------------------------+
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// RPhCltServer::Version+
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// +
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// Returns version.+
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// -----------------------------------------------------------------------------+
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//+
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TVersion RPhCltServer::Version() const+
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    {+
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    return TVersion( KPhoneServerMajorVersionNumber,+
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                     KPhoneServerMinorVersionNumber,+
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                     KPhoneServerBuildVersionNumber );+
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    }+
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+
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// -----------------------------------------------------------------------------+
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// RPhCltServer::Connect+
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// +
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// Creates connection to the server. If server is not running,+
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// it is also launched.+
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// -----------------------------------------------------------------------------+
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//+
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EXPORT_C TInt RPhCltServer::Connect( TInt aMessageSlots )+
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    {+
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    TInt err = KErrGeneral;+
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    TInt count = KPhCltNumberOfRetryAttempts;+
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    FOREVER+
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        {+
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        err = CreateSession( PHONE_SERVER_NAME, Version(), aMessageSlots );+
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        if ( err != KErrNotFound && err != KErrServerTerminated )+
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            {+
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            break;+
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            }+
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        // Need to restart server+
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        if ( --count < 0 )+
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            {+
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            break;+
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            }+
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        err = StartServer();+
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        if ( err != KErrNone && err != KErrAlreadyExists )+
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            {+
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            if ( err != KErrNotFound )+
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                {+
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                break;+
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                }+
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            Panic( EPhCltPanicServerUnexpectedServerNotFound );+
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            }+
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        }+
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    return err;+
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    }+
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+
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// -----------------------------------------------------------------------------+
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// RPhCltServer::CreateAll+
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// -----------------------------------------------------------------------------+
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//+
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EXPORT_C void RPhCltServer::CreateAll( TRequestStatus& aStatus )+
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    {+
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    SendReceive( +
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        EPhoneCreateAll,+
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        TIpcArgs(),+
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        aStatus );+
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    }+
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+
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// -----------------------------------------------------------------------------+
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// RPhCltServer::StartServer+
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// +
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// Launches the phone server, which is assumed to be not+
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// already running.+
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// -----------------------------------------------------------------------------+
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//+
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TInt RPhCltServer::StartServer()+
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    {+
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    // The uid of the DLL/EXE - used to identify the correct target+
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    const TUidType KPhServerUidType( +
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        KExecutableImageUid, +
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        KSharedLibraryUid, +
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        KPhCltServerUid );+
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    +
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+
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    //////////////////////////////////////////////////////////////////////////+
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    // On MARM, the server is an exe, so it is run inside its own process. +
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    // The server itself takes care of creating a thread and finalizing the +
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    // construction of the server. We pass the signalling object via the +
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    // command line.+
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    //////////////////////////////////////////////////////////////////////////+
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+
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    RProcess serverUnitOfExecution;+
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+
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    TFileName pathName( KPhCltServerZDrive );+
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    pathName.Append( KDC_PROGRAMS_DIR );+
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    pathName.Append( KPhServerPathAndNameMARM );+
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    pathName.ZeroTerminate();+
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+
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    TInt err = serverUnitOfExecution.Create( +
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        pathName,+
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        KNullDesC, +
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        KPhServerUidType );+
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+
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    if ( err != KErrNone )+
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        {+
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        User::Panic( PH_SRV_SU_FAILURE, err );+
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        }+
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    serverUnitOfExecution.SetPriority( EPriorityHigh );+
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+
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+
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    // Now wait for the server to start up, and also observe if the server+
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    // thread dies for any reason.+
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+
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+
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	TRequestStatus stat;+
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	serverUnitOfExecution.Rendezvous( stat );+
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 	if ( stat != KRequestPending )+
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        {+
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        User::Panic( PH_SRV_SU_FAILURE, EPhSrvStartupFailurePhase1 );+
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+
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 		serverUnitOfExecution.Kill( KErrAbort );	// abort startup+
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        }+
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 	else+
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        {+
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 		serverUnitOfExecution.Resume();	// logon ok+
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        }+
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+
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    // wait for start or death+
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 	User::WaitForRequest( stat ); +
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 	// we can't use the 'exit reason' if the server panicked as this+
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 	// is the panic 'reason' and may be '0' which cannot be distinguished+
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 	// from KErrNone+
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 	err = ( serverUnitOfExecution.ExitType() == EExitPanic ) +
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        ? KErrGeneral : stat.Int();+
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+
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    serverUnitOfExecution.Close();+
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+
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+
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    return err;+
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    }+
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+
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+
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// -----------------------------------------------------------------------------+
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// RPhCltServer::Panic+
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// +
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// Panics the client thread+
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// -----------------------------------------------------------------------------+
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//+
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void RPhCltServer::Panic( TPhCltPanicTypes aPanic )+
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    {+
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    User::Panic( KPhClientPanicCategory, aPanic );+
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    }+
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+
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+
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+
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+
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//  End of File  +
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