/*

* Copyright (c) 2008 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:  Sender for UDP data

*

*/

#include "sender.h"

#include "ikesocketdefs.h"

#include "ikedebug.h"

using namespace IkeSocket;

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

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

// Two-phased constructor.

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

//

CSender* CSender::NewL( RSocket& aSocket,

                        RSocket& aSocketNAT,

                        RSocket& aSocketNokiaNAT,

                        MSenderCallback& aCallback,                                     

                        MIkeDebug& aDebug  )

    {

    CSender* self = new (ELeave) CSender( aSocket,

                                          aSocketNAT,

                                          aSocketNokiaNAT,

                                          aCallback,

                                          aDebug );  

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);    

    return self;            

    }

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

// Destructor.

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

//

CSender::~CSender()

    {

    DEBUG_LOG( _L("CSender::~CSender") );

    }

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

// Constructor.

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

//

CSender::CSender( RSocket& aSocket,

                  RSocket& aSocketNAT,

                  RSocket& aSocketNokiaNAT,

                  MSenderCallback& aCallback,

                  MIkeDebug& aDebug )

 : CActive( EPriorityStandard ),

   iSocket( aSocket ),

   iSocketNAT( aSocketNAT ),

   iSocketNokiaNAT( aSocketNokiaNAT ),

   iCallback( aCallback ),

   iDebug( aDebug )

    {

    CActiveScheduler::Add( this ); // Added to the Active Scheduler

    }

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

// Second phase construction.

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

//

void CSender::ConstructL()

    {

    DEBUG_LOG( _L("CSender::ConstructL") );

    }

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

// Sends UDP data.

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

//

TInt CSender::SendUdpData( const TInt aLocalPort,

                           const TInetAddr& aDestAddr,

                           const TDesC8& aUdpData,

                           const TUint aDscp )

    {

    RSocket* socket = NULL;

    iLocalPort = aLocalPort;

    iDestAddr = aDestAddr;

    if ( iLocalPort == 500 )

        {

        socket = &iSocket;

        }

    else if ( iLocalPort == 4500 )

        {

        socket = &iSocketNAT;

        }

    else 

        {        

        socket = &iSocketNokiaNAT;

        }

    TInt err = socket->SetOpt( KSoIpTOS, KSolInetIp, aDscp );

    if ( err == KErrNone )

        {

        err = socket->SetOpt( KSoUdpSynchronousSend, KSolInetUdp, 1 );

        }

    if ( err == KErrNone )

        {

        socket->SendTo( aUdpData, iDestAddr, 0, iStatus );    

        SetActive();

        }

#ifdef _DEBUG    

    TBuf<100> txt_addr;

    iDestAddr.Output( txt_addr );

    TUint32 port = iDestAddr.Port();

    DEBUG_LOG3( _L("Sending UDP data, local port=%d, dest address:port=%S:%d"),

            iLocalPort, &txt_addr, port );

    DEBUG_LOG2( _L(" DSCP=%d, err=%d"), aDscp, err );

#endif

    return err;

    }

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

// From CActive

// Handles request completion event about sending.

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

//

void CSender::RunL()

    {

    DEBUG_LOG1( _L("CSender::RunL, iStatus=%d"),

            iStatus.Int() );

    iCallback.SendCompleted( iStatus.Int() );

    }

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

// From CActive

// Implements cancellation of sending.

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

//

void CSender::DoCancel()

    {

    DEBUG_LOG1( _L("CSender::DoCancel, iLocalPort=%d"),

            iLocalPort );

    if ( iLocalPort == KIkePort500 )

        {

        iSocket.CancelSend();

        }

    else if ( iLocalPort == KIkePort4500 )

        {

        iSocketNAT.CancelSend();

        }

    else

        {

        iSocketNokiaNAT.CancelSend();

        }

    }