/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */

/*

 * Copyright (c) 2006 Georgia Tech Research Corporation

 *               2007 INRIA

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation;

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 *

 * Authors: George F. Riley<riley@ece.gatech.edu>

 *          Mathieu Lacage <mathieu.lacage@sophia.inria.fr>

 */

#include "ns3/log.h"

#include "ns3/packet.h"

#include "socket.h"

NS_LOG_COMPONENT_DEFINE ("Socket");

namespace ns3 {

Socket::~Socket ()

{

  NS_LOG_FUNCTION_NOARGS ();

}

void 

Socket::SetCloseCallback (Callback<void,Ptr<Socket> > closeCompleted)

{

  NS_LOG_FUNCTION_NOARGS ();

  m_closeCompleted = closeCompleted;

}

void 

Socket::SetConnectCallback (

  Callback<void, Ptr<Socket> > connectionSucceeded,

  Callback<void, Ptr<Socket> > connectionFailed,

  Callback<void, Ptr<Socket> > halfClose)

{

  NS_LOG_FUNCTION_NOARGS ();

  m_connectionSucceeded = connectionSucceeded;

  m_connectionFailed = connectionFailed;

  m_halfClose = halfClose;

}

void 

Socket::SetAcceptCallback (

  Callback<bool, Ptr<Socket>, const Address &> connectionRequest,

  Callback<void, Ptr<Socket>, const Address&> newConnectionCreated,

  Callback<void, Ptr<Socket> > closeRequested)

{

  NS_LOG_FUNCTION_NOARGS ();

  m_connectionRequest = connectionRequest;

  m_newConnectionCreated = newConnectionCreated;

  m_closeRequested = closeRequested;

}

bool 

Socket::SetDataSentCallback (Callback<void, Ptr<Socket>, uint32_t> dataSent)

{

  NS_LOG_FUNCTION_NOARGS ();

  m_dataSent = dataSent;

  return true;

}

void

Socket::SetSendCallback (Callback<void, Ptr<Socket>, uint32_t> sendCb)

{

  NS_LOG_FUNCTION_NOARGS ();

  m_sendCb = sendCb;

}

void 

Socket::SetRecvCallback (Callback<void, Ptr<Socket> > receivedData)

{

  NS_LOG_FUNCTION_NOARGS ();

  m_receivedData = receivedData;

}

int Socket::Listen (uint32_t queueLimit)

{

  return 0; //XXX the base class version does nothing

}

int Socket::Send (const uint8_t* buf, uint32_t size)

{

  NS_LOG_FUNCTION_NOARGS ();

  Ptr<Packet> p;

  if (buf)

    {

      p = Create<Packet> (buf, size);

    }

  else

    {

      p = Create<Packet> (size);

    }

  return Send (p);

}

Ptr<Packet>

Socket::Recv (void)

{

  return Recv (std::numeric_limits<uint32_t>::max(), 0);

}

int Socket::SendTo (const Address &address, const uint8_t* buf, uint32_t size)

{

  NS_LOG_FUNCTION_NOARGS ();

  Ptr<Packet> p;

  if(buf)

    {

      p = Create<Packet> (buf, size);

    }

  else

    {

      p = Create<Packet> (size);

    }

  return SendTo (address,p);

}

void 

Socket::NotifyCloseCompleted (void)

{

  NS_LOG_FUNCTION_NOARGS ();

  if (!m_closeCompleted.IsNull ())

    {

      m_closeCompleted (this);

    }

}

void 

Socket::NotifyConnectionSucceeded (void)

{

  NS_LOG_FUNCTION_NOARGS ();

  if (!m_connectionSucceeded.IsNull ())

    {

      m_connectionSucceeded (this);

    }

}

void 

Socket::NotifyConnectionFailed (void)

{

  NS_LOG_FUNCTION_NOARGS ();

  if (!m_connectionFailed.IsNull ())

    {

      m_connectionFailed (this);

    }

}

void 

Socket::NotifyHalfClose (void)

{

  NS_LOG_FUNCTION_NOARGS ();

  if (!m_halfClose.IsNull ())

    {

      m_halfClose (this);

    }

}

bool 

Socket::NotifyConnectionRequest (const Address &from)

{

  NS_LOG_FUNCTION_NOARGS ();

  if (!m_connectionRequest.IsNull ())

    {

      return m_connectionRequest (this, from);

    }

  else

    {

      // accept all incoming connections by default.

      // this way people writing code don't have to do anything

      // special like register a callback that returns true

      // just to get incoming connections

      return true;

    }

}

void 

Socket::NotifyNewConnectionCreated (Ptr<Socket> socket, const Address &from)

{

  NS_LOG_FUNCTION_NOARGS ();

  if (!m_newConnectionCreated.IsNull ())

    {

      m_newConnectionCreated (socket, from);

    }

}

void 

Socket::NotifyCloseRequested (void)

{

  NS_LOG_FUNCTION_NOARGS ();

  if (!m_closeRequested.IsNull ())

    {

      m_closeRequested (this);

    }

}

void 

Socket::NotifyDataSent (uint32_t size)

{

  NS_LOG_FUNCTION_NOARGS ();

  if (!m_dataSent.IsNull ())

    {

      m_dataSent (this, size);

    }

}

void 

Socket::NotifySend (uint32_t spaceAvailable)

{

  NS_LOG_FUNCTION_NOARGS ();

  if (!m_sendCb.IsNull ())

    {

      m_sendCb (this, spaceAvailable);

    }

}

void 

Socket::NotifyDataRecv (void)

{

  NS_LOG_FUNCTION_NOARGS ();

  if (!m_receivedData.IsNull ())

    {

      m_receivedData (this);

    }

}

SocketRxAddressTag::SocketRxAddressTag ()  

{

}

uint32_t 

SocketRxAddressTag::GetUid (void)

{

  static uint32_t uid = ns3::Tag::AllocateUid<SocketRxAddressTag> ("SocketRxAddressTag.ns3");

  return uid;

}

void

SocketRxAddressTag::Print (std::ostream &os) const

{

  os << "address="<< m_address;

}

uint32_t 

SocketRxAddressTag::GetSerializedSize (void) const

{

  return 0;

}

void 

SocketRxAddressTag::Serialize (Buffer::Iterator i) const

{

  // for local use in stack only

}

uint32_t 

SocketRxAddressTag::Deserialize (Buffer::Iterator i)

{

  // for local use in stack only

  return 0;

}

void 

SocketRxAddressTag::SetAddress (Address addr)

{

  m_address = addr;

}

Address 

SocketRxAddressTag::GetAddress (void) const

{

  return m_address;

}

}//namespace ns3