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

/*

 * Copyright (c) 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

 *

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

 */

#include "ns3/object.h"

#include "ns3/log.h"

#include "ns3/uinteger.h"

#include "ns3/double.h"

#include "ns3/trace-source-accessor.h"

#include "ns3/nstime.h"

#include "tcp-socket.h"

NS_LOG_COMPONENT_DEFINE ("TcpSocket");

namespace ns3 {

NS_OBJECT_ENSURE_REGISTERED (TcpSocket);

TypeId

TcpSocket::GetTypeId (void)

{

  static TypeId tid = TypeId ("ns3::TcpSocket")

    .SetParent<Socket> ()

    .AddAttribute ("SndBufSize",

                   "TcpSocket maximum transmit buffer size (bytes)",

                   UintegerValue (131072), // 128k

                   MakeUintegerAccessor (&TcpSocket::GetSndBufSize,

                                         &TcpSocket::SetSndBufSize),

                   MakeUintegerChecker<uint32_t> ())

    .AddAttribute ("RcvBufSize",

                   "TcpSocket maximum receive buffer size (bytes)",

                   UintegerValue (131072),

                   MakeUintegerAccessor (&TcpSocket::GetRcvBufSize,

                                         &TcpSocket::SetRcvBufSize),

                   MakeUintegerChecker<uint32_t> ())

    .AddAttribute ("SegmentSize",

                   "TCP maximum segment size in bytes (may be adjusted based on MTU discovery)",

                   UintegerValue (536),

                   MakeUintegerAccessor (&TcpSocket::GetSegSize,

                                         &TcpSocket::SetSegSize),

                   MakeUintegerChecker<uint32_t> ())

    .AddAttribute ("SlowStartThreshold",

                   "TCP slow start threshold (bytes)",

                   UintegerValue (0xffff),

                   MakeUintegerAccessor (&TcpSocket::GetSSThresh,

                                         &TcpSocket::SetSSThresh),

                   MakeUintegerChecker<uint32_t> ())

    .AddAttribute ("InitialCwnd",

                   "TCP initial congestion window size (segments)",

                   UintegerValue (1),

                   MakeUintegerAccessor (&TcpSocket::GetInitialCwnd,

                                         &TcpSocket::SetInitialCwnd),

                   MakeUintegerChecker<uint32_t> ())

    .AddAttribute ("ConnTimeout",

                   "TCP retransmission timeout when opening connection (seconds)",

                   TimeValue (Seconds (3)),

                   MakeTimeAccessor (&TcpSocket::GetConnTimeout,

                                     &TcpSocket::SetConnTimeout),

                   MakeTimeChecker ())

    .AddAttribute ("ConnCount",

                   "Number of connection attempts (SYN retransmissions) before returning failure",

                   UintegerValue (6),

                   MakeUintegerAccessor (&TcpSocket::GetConnCount,

                                         &TcpSocket::SetConnCount),

                   MakeUintegerChecker<uint32_t> ())

    .AddAttribute ("DelAckTimeout",

                   "Timeout value for TCP delayed acks, in seconds",

                   TimeValue (Seconds (0.2)),

                   MakeTimeAccessor (&TcpSocket::GetDelAckTimeout,

                                       &TcpSocket::SetDelAckTimeout),

                   MakeTimeChecker ())

    .AddAttribute ("DelAckCount",

                   "Number of packets to wait before sending a TCP ack",

                   UintegerValue (2),

                   MakeUintegerAccessor (&TcpSocket::GetDelAckMaxCount,

                                         &TcpSocket::SetDelAckMaxCount),

                   MakeUintegerChecker<uint32_t> ())

    ;

  return tid;

}

TcpSocket::TcpSocket ()

{

  NS_LOG_FUNCTION_NOARGS ();

}

TcpSocket::~TcpSocket ()

{

  NS_LOG_FUNCTION_NOARGS ();

}

}; // namespace ns3