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

/*

 * Copyright (c) 2007 Georgia Tech Research Corporation

 *

 * 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: Raj Bhattacharjea <raj.b@gatech.edu>

 */

#include "tcp.h"

#include "ns3/uinteger.h"

namespace ns3 {

NS_OBJECT_ENSURE_REGISTERED (Tcp);

TypeId

Tcp::GetTypeId (void)

{

    .SetParent<SocketFactory> ()

   .AddAttribute ("TcpDefaultSegmentSize",

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

                  Uinteger (536),

                  MakeUintegerAccessor (&Tcp::m_defaultSegSize),

                  MakeUintegerChecker<uint32_t> ())

    .AddAttribute ("TcpDefaultAdvertisedWindowSize",

                   "Default TCP advertised window size (bytes)",

                   Uinteger (0xffff),

                   MakeUintegerAccessor (&Tcp::m_defaultAdvWin),

                   MakeUintegerChecker<uint32_t> ())

    .AddAttribute ("TcpDefaultSlowStartThreshold",

                   "Default TCP slow start threshold (bytes)",

                   Uinteger (0xffff),

                   MakeUintegerAccessor (&Tcp::m_defaultSsThresh),

                   MakeUintegerChecker<uint32_t> ())

    .AddAttribute ("TcpDefaultTxBufferSize",

                   "Default TCP maximum transmit buffer size (bytes)",

                   Uinteger (0xffffffffl),

                   MakeUintegerAccessor (&Tcp::m_defaultTxBuffer),

                   MakeUintegerChecker<uint32_t> ())

    .AddAttribute ("TcpDefaultRxBufferSize",

                   "Default TCP maximum receive buffer size (bytes)",

                   Uinteger (0xffffffffl),

                   MakeUintegerAccessor (&Tcp::m_defaultRxBuffer),

                   MakeUintegerChecker<uint32_t> ())

    .AddAttribute ("TcpDefaultInitialCongestionWindowSize",

                   "Default TCP initial congestion window size (segments)",

                   Uinteger (1),

                   MakeUintegerAccessor (&Tcp::m_defaultInitialCwnd),

                   MakeUintegerChecker<uint32_t> ())

    .AddAttribute ("TcpDefaultConnTimeout",

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

                   Uinteger (3),

                   MakeUintegerAccessor (&Tcp::m_defaultConnTimeout),

                   MakeUintegerChecker<uint32_t> ())

    .AddAttribute ("TcpDefaultConnCount",

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

                   Uinteger (6),

                   MakeUintegerAccessor (&Tcp::m_defaultConnCount),

                   MakeUintegerChecker<uint32_t> ())

     ;

  return tid;

}

uint32_t 

Tcp::GetDefaultSegSize (void) const

{

  return m_defaultSegSize;

}

uint32_t 

Tcp::GetDefaultAdvWin (void) const

{

  return m_defaultAdvWin;

}

uint32_t 

Tcp::GetDefaultSsThresh (void) const

{

  return m_defaultSsThresh;

}

uint32_t 

Tcp::GetDefaultTxBuffer (void) const

{

  return m_defaultTxBuffer;

}

uint32_t 

Tcp::GetDefaultRxBuffer (void) const

{

  return m_defaultRxBuffer;

}

uint32_t 

Tcp::GetDefaultInitialCwnd (void) const

{

  return m_defaultInitialCwnd;

}

uint32_t 

Tcp::GetDefaultConnTimeout (void) const

{

  return m_defaultConnTimeout;

}

uint32_t 

Tcp::GetDefaultConnCount (void) const

{

  return m_defaultConnCount;

}

} // namespace ns3