/*

* Copyright (c) 2006 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:   Implementation of DevTokenServer

*

*/

#include <e32debug.h>

#include "DevTokenServer.h"

#include "DevTokenUtil.h"

#include "DevCertKeyStoreServer.h"

#include "DevCertKeyStoreSession.h"

#include "DevandTruSrvCertStoreServer.h"

#include "DevandTruSrvCertStoreSession.h"

#include "TrustedSitesServer.h"

#include "TrustedSitesSession.h"

#include "DevTokenServerDebug.h"

#include "DevTokenServerName.h"

#include "DevtokenLog.h"

#include "DevTokenDialog.h"

//  approx 2s

const TInt KServerShutdownDelay = 0x200000; 

// ======== MEMBER FUNCTIONS ========

// CDevTokenServerSession 

// ---------------------------------------------------------------------------

// CDevTokenServerSession::CDevTokenServerSession()

// ---------------------------------------------------------------------------

// 

CDevTokenServerSession::CDevTokenServerSession()

    {

    }

// ---------------------------------------------------------------------------

// CDevTokenServerSession::Server()

// ---------------------------------------------------------------------------

// 

inline CDevTokenServer& CDevTokenServerSession::Server()

    {

    return static_cast<CDevTokenServer&>(const_cast<CServer2&>(*CSession2::Server()));

    }

// ---------------------------------------------------------------------------

// CDevTokenServerSession::CreateL()

// ---------------------------------------------------------------------------

//

void CDevTokenServerSession::CreateL()

    {

    Server().AddSession();

    }

// ---------------------------------------------------------------------------

// CDevTokenServerSession::~CDevTokenServerSession()

// ---------------------------------------------------------------------------

//

CDevTokenServerSession::~CDevTokenServerSession()

    {

    Server().DropSession();

    }

// ---------------------------------------------------------------------------

// CDevTokenServerSession::ServiceL()

// Handle a client request.  Leaving is handled by

// CDevTokenServerSession::ServiceError() which reports the error code to the

// client.

// ---------------------------------------------------------------------------

// 

void CDevTokenServerSession::ServiceL(const RMessage2& aMessage)

    {

    #ifdef _DEBUG

    // OOM testing

    switch (aMessage.Function())

        {

        case EStartOOMTest:

            DevTokenServerDebug::StartOOMTest();

            aMessage.Complete(KErrNone);

            return;

        case EIncHeapFailPoint:

            DevTokenServerDebug::IncHeapFailPoint();

            aMessage.Complete(KErrNone);

            return;

        case EResetHeapFail:

            DevTokenServerDebug::ResetHeapFail();

            aMessage.Complete(KErrNone);

            return;

        case EAllocCount:

            aMessage.Complete(User::CountAllocCells());

            return;

        } 

    #endif

    DoServiceL(aMessage);

    }

// ---------------------------------------------------------------------------

// CDevTokenServerSession::ServiceError()

// Handle an error from ServiceL() A bad descriptor error implies a badly

// programmed client, so panic it - otherwise report the error to the client.

// ---------------------------------------------------------------------------

//  

void CDevTokenServerSession::ServiceError(const RMessage2& aMessage, TInt aError)

    {

    if (aError==KErrBadDescriptor)

        {

        PanicClient(aMessage, EPanicBadDescriptor);

        }

    CSession2::ServiceError(aMessage, aError);

    }

// CDevTokenServer 

// ---------------------------------------------------------------------------

// CDevTokenServer::CDevTokenServer()

// ---------------------------------------------------------------------------

//

inline CDevTokenServer::CDevTokenServer() :

  CServer2(0, ESharableSessions)

    {

    }

// ---------------------------------------------------------------------------

// CDevTokenServer::NewLC()

// ---------------------------------------------------------------------------

//

CServer2* CDevTokenServer::NewLC()

    {

    TRACE_PRINT(" CDevTokenServer::NewLC -->");

    CDevTokenServer* self=new(ELeave) CDevTokenServer;

    CleanupStack::PushL(self);

    self->ConstructL();

    TRACE_PRINT(" CDevTokenServer::NewLC <--");

    return self;

    }

// ---------------------------------------------------------------------------

// CDevTokenServer::~CDevTokenServer()

// ---------------------------------------------------------------------------

//

CDevTokenServer::~CDevTokenServer()

    {

    DevTokenDialog::Cleanup();

    delete iKeyStoreServer;

    delete iCertStoreServer;

    delete iTrustedSitesServer;

    }

// ---------------------------------------------------------------------------

// CDevTokenServer::ConstructL()

// 2nd phase construction - ensure the timer and server objects are running.

// ---------------------------------------------------------------------------

//

void CDevTokenServer::ConstructL()

    {

    TRACE_PRINT(" CDevTokenServer::ConstructL -->");

    TRACE_PRINT(" CDevTokenServer::ConstructL 1");

    DevTokenDialog::InitialiseL();

    StartL( KDevTokenServerName );

    TRACE_PRINT(" CDevTokenServer::ConstructL 2");

    // Ensure that the server still exits even if the 1st client fails to connect

    iShutdown.ConstructL();

    iShutdown.Start();

    }

// ---------------------------------------------------------------------------

// CDevTokenServer::AddSession()

// A new session is being created - cancel the shutdown timer if it was running.

// ---------------------------------------------------------------------------

//

void CDevTokenServer::AddSession()

    {

    ++iSessionCount;

    iShutdown.Cancel();

    }

// ---------------------------------------------------------------------------

// CDevTokenServer::DropSession()

// A session is being destroyed - start the shutdown timer if it is the last session. 

// ---------------------------------------------------------------------------

//

void CDevTokenServer::DropSession()

    {

    if (--iSessionCount==0)

        {

        iShutdown.Start();

        }

    }

// ---------------------------------------------------------------------------

// CDevTokenServer::KeyStoreServerL()

// Lazily create key store server object.

// ---------------------------------------------------------------------------

//

CDevCertKeyStoreServer& CDevTokenServer::KeyStoreServerL() const

    {

    if (!iKeyStoreServer)

        {

        iKeyStoreServer = CDevCertKeyStoreServer::NewL();

        }

    return *iKeyStoreServer;

    }

// ---------------------------------------------------------------------------

// CDevTokenServer::CertStoreServerL()

// Lazily create cert store server object. 

// ---------------------------------------------------------------------------

//

CDevandTruSrvCertStoreServer& CDevTokenServer::CertStoreServerL() const

    {

    if (!iCertStoreServer)

        {

        iCertStoreServer = CDevandTruSrvCertStoreServer::NewL( &TrustedSitesL() );

        }

    return *iCertStoreServer;

    }

// ---------------------------------------------------------------------------

// CDevTokenServer::TrustedSitesL()

// Lazily create trusted site server object. 

// ---------------------------------------------------------------------------

//

CTrustedSitesServer& CDevTokenServer::TrustedSitesL() const

    {

    if( !iTrustedSitesServer )

        {

        iTrustedSitesServer = CTrustedSitesServer::NewL((CDevTokenServer*)this);

        }

    return *iTrustedSitesServer;    

    }

// ---------------------------------------------------------------------------

// CDevTokenServer::NewSessionL()

// Create a new client session.

// ---------------------------------------------------------------------------

//

CSession2* CDevTokenServer::NewSessionL(const TVersion& aVersion, 

                                        const RMessage2& /*aMessage*/) const

    {

    // The token the client wants to talk to is encoded in the major version number

    EDevTokenEnum token = static_cast<EDevTokenEnum>(aVersion.iMajor);  

    // The minor version number represents the version of the protocol

    if ( aVersion.iMinor != KDevTokenProtolVersion )

        {

        User::Leave(KErrNotSupported);

        }

    CDevTokenServerSession* result = NULL;

    switch (token)

        {

        case EDevCertKeyStore:

            result = KeyStoreServerL().CreateSessionL();

            break;

        case EDevCertStore:

        case ETruSrvCertStore:

            result = CertStoreServerL().CreateSessionL();

            break;

        case ETruSitesStore:

            result = TrustedSitesL().CreateSessionL();

            break;

        default:

            User::Leave(KErrNotSupported);

            break;

        }

    return result;

    }

// CShutdown

// ---------------------------------------------------------------------------

// CShutdown::CShutdown()

// ---------------------------------------------------------------------------

//

inline CShutdown::CShutdown() :

  CTimer(-1)

    {

    CActiveScheduler::Add(this);

    }

// ---------------------------------------------------------------------------

// CShutdown::ConstructL()

// ---------------------------------------------------------------------------

//

inline void CShutdown::ConstructL()

    {

    CTimer::ConstructL();

    }

// ---------------------------------------------------------------------------

// CShutdown::Start()

// ---------------------------------------------------------------------------

//

inline void CShutdown::Start()

    {

    After(KServerShutdownDelay);

    }

// ---------------------------------------------------------------------------

// CShutdown::RunL()

// Initiate server exit when the timer expires.

// ---------------------------------------------------------------------------

//

void CShutdown::RunL()

    {

    CActiveScheduler::Stop();

    }

// ======== LOCAL FUNCTIONS ========

// Server startup 

// ---------------------------------------------------------------------------

// RunServerL()

// Perform all server initialisation, in particular creation of the scheduler

// and server and then run the scheduler.

// ---------------------------------------------------------------------------

//

static void RunServerL()

    {

    TRACE_PRINT("RunServerL 1");

    // Naming the server thread after the server helps to debug panics

    User::LeaveIfError(User::RenameThread( KDevTokenServerName ));

    TRACE_PRINT("RunServerL 2");

    // Create and install the active scheduler we need

    CActiveScheduler* s=new(ELeave) CActiveScheduler;

    CleanupStack::PushL(s);

    CActiveScheduler::Install(s);

    TRACE_PRINT("RunServerL 3");

    // Create the server and leave it on the cleanup stack

    CDevTokenServer::NewLC();

    TRACE_PRINT("RunServerL 4");

    // Before starting the server, notify client that initialisation is

    // complete.

    // (note that WINS on EKA1 uses threads since it lacks process emulation)

    RProcess::Rendezvous(KErrNone);

    TRACE_PRINT("RunServerL 5");

    // Ready to run

    CActiveScheduler::Start();

    // Cleanup the server and scheduler

    CleanupStack::PopAndDestroy(2);

    }

// ---------------------------------------------------------------------------

// E32Main()

// Server process entry point.

// ---------------------------------------------------------------------------

//

TInt E32Main()

    {

    #ifdef _DEBUG

    DevTokenServerDebug::HeapCheckStart();

    #endif

    CTrapCleanup* cleanup=CTrapCleanup::New();

    TInt r=KErrNoMemory;

    if (cleanup)

        {

        TRAP(r,RunServerL());

        delete cleanup;

        }

    #ifdef _DEBUG

    DevTokenServerDebug::HeapCheckEnd();

    #endif

    return r;

    }

//EOF