/*

* Copyright (c) 2007 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 "cpserverdef.h"

#include "cpliwmap.h"

#include "cpclientsession.h"

#include "cpglobals.h"

#include "cpdebug.h"

#include "cpclientactivenotifier.h"

// Number of message slots to reserve for this client server session.

const TUint KDefaultMessageSlots( 1 );

// Function prototypes

static TInt StartServer();

static TInt CreateServerProcess();

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

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

// RCPServerClient::RCPServerClient

// C++ default constructor can NOT contain any code, that

// might leave.

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

//

RCPServerClient::RCPServerClient() :

    RSessionBase()

    {

    // No implementation required

    }

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

// RCPServerClient::Connect

// Connect to Content publisher server session. 

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

//

TInt RCPServerClient::Connect()

    {

    TInt error =:: StartServer();

    if ( error == KErrNone )

        {

        error = CreateSession( KCPServerName,

                Version(),

                KDefaultMessageSlots );

        }

    return error;

    }

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

//

//

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

//

void RCPServerClient::Close()

    {

    RSessionBase::Close( );

    }

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

//

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

//

void RCPServerClient::AddL( const CCPLiwMap& aMap,

    CLiwGenericParamList& aOutParamList )

    {

    CP_DEBUG( _L8("RCPServerClient::AddL()") );

    HBufC8 *inbuf = aMap.PackForServerLC( );

    TInt32 id( 0);

    TPckg<TInt32> sizeDes(id);

    TIpcArgs args;

    args.Set( KDescriptorPosition, &*inbuf );

    args.Set( KReturnPosition, &sizeDes );

    User::LeaveIfError( SendReceive( ECpServerAddData, args ) );

    TLiwGenericParam param( KItemId, id);

    aOutParamList.AppendL( param );

    CleanupStack::PopAndDestroy( inbuf );

    }

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

//

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

//

void RCPServerClient::GetListL( const CCPLiwMap& aMap,

    CLiwGenericParamList& aOutParamList )

    {

    CP_DEBUG( _L8("RCPServerClient::GetListL()") );

    TIpcArgs args;

    HBufC8 *inbuf = aMap.PackForServerLC( );

    TInt error(KErrNone);

    TInt sizeList( 0);

    TPckg<TInt> sizeDes(sizeList);

    args.Set( KDescriptorPosition, &*inbuf );

    args.Set( KReturnPosition, &sizeDes );

    error = SendReceive( ECpServerGetListSize, args );

    if ( error == KErrNone )

        {

        TIpcArgs args;

        RBuf8 outbuf;

        outbuf.CleanupClosePushL( );

        outbuf.CreateL( sizeList );

        args.Set( KDescriptorPosition, &outbuf );

        error = SendReceive( ECpServerGetListData, args );

        if ( error == KErrNone )

            {

            RDesReadStream stream(outbuf);

            CleanupClosePushL( stream );

            aOutParamList.InternalizeL( stream ) ;

            CleanupStack::PopAndDestroy( &stream );

            }

        CleanupStack::PopAndDestroy( &outbuf );

        }

    User::LeaveIfError( error );

    CleanupStack::PopAndDestroy( inbuf );

    }

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

//

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

//

void RCPServerClient::ExecuteActionL( const CCPLiwMap& aMap )

    {

    CP_DEBUG( _L8("RCPServerClient::ExecuteActionL()") );

    HBufC8 *inbuf = aMap.PackForServerLC( );

    TIpcArgs args;

    args.Set( KDescriptorPosition, &*inbuf );

    User::LeaveIfError( SendReceive( ECpServerExecuteAction, args ) );

    CleanupStack::PopAndDestroy( inbuf );

    }

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

//

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

//

void RCPServerClient::DeleteL( const CCPLiwMap& aMap )

    {

    CP_DEBUG( _L8("RCPServerClient::DeleteL()") );

    HBufC8 *inbuf = aMap.PackForServerLC( );

    TIpcArgs args;

    args.Set( KDescriptorPosition, &*inbuf );

    User::LeaveIfError( SendReceive( ECpServerRemoveData, args ) );

    CleanupStack::PopAndDestroy( inbuf );

    }

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

//

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

//

void RCPServerClient::RegisterObserverL( TRequestStatus& aStatus,

    TIpcArgs& aArgs )

    {

    CP_DEBUG( _L8("RCPServerClient::RegisterObserver()") );

    SendReceive( ECpServerRegisterObserver, aArgs, aStatus );

    }

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

//

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

//

void RCPServerClient::AddObserver( TIpcArgs& aArgs )

    {

    CP_DEBUG( _L8("RCPServerClient::AddObserver()") );

    SendReceive( ECpServerAddObserver, aArgs );

    }

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

//

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

//

void RCPServerClient::RemoveObserver( TIpcArgs& aArgs )

    {

    CP_DEBUG( _L8("RCPServerClient::AddObserver()") );

    SendReceive( ECpServerRemoveObserver, aArgs );

    }

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

//

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

//

TInt RCPServerClient::GetChangeInfoData( TDes8& aBuf )

    {

    CP_DEBUG( _L8("RCPServerClient::GetChangeInfoData()") );

    TIpcArgs args;

    args.Set( KDescriptorPosition, &aBuf );

    TInt error = SendReceive( ECpServerGetChangeInfoData, args );

    return error;

    }

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

//

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

//

void RCPServerClient::UnregisterObserver()

    {

    CP_DEBUG( _L8("RCPServerClient::UnregisterObserver()") );

    SendReceive( ECpServerUnRegisterObserver );

    }

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

// RCPServerClient::Version

// Version information.

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

//

TVersion RCPServerClient::Version() const

    {

    CP_DEBUG( _L8("RCPServerClient::Version()") );

    return (TVersion( KCPServerMajorVersionNumber,

        KCPServerMinorVersionNumber, KCPServerBuildVersionNumber ) );

    }

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

// StartServer

// Static method to start the server.

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

//

static TInt StartServer()

    {

    TInt result;

    TFindServer findServer( KCPServerName );

    TFullName name;

    result = findServer.Next( name );

    if ( result != KErrNone )

        {

        // Server not running

        result = CreateServerProcess( );

        }

    return result;

    }

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

// CreateServerProcess

// Static method to create the server process.

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

//

static TInt CreateServerProcess()

    {

    CP_DEBUG( _L8("RCPServerClient::CreateServerProcess()") );

    const TUidType serverUid( KNullUid, KNullUid, KServerUid3);

    RProcess server;

    TInt result;

    result = server.Create( KCPServerFilename, KNullDesC, serverUid );

    if ( result == KErrNone )

        {

        TRequestStatus stat = KRequestPending;

        server.Rendezvous( stat );

        if ( stat != KRequestPending )

            {

            server.Kill( 0 ); // abort startup

            }

        else

            {

            server.Resume( ); // logon OK - start the server

            }

        User::WaitForRequest( stat ); // wait for start or death

        // we can't use the 'exit reason' if the server panicked as this

        // is the panic 'reason' and may be '0' which cannot be distinguished

        // from KErrNone

        result = (server.ExitType( ) == EExitPanic ) ? KErrGeneral

            : stat.Int( );

        }

    server.Close( );

    return result;

    }