Added in ns-3-tcp (second try)

src/node/socket.cc

@@ -108,6 +108,12 @@ int Socket::SendTo (const Address &address, const uint8_t* buf, uint32_t size)
   return SendTo (address,p);
 }
 
+int Socket::Listen(uint32_t queueLimit)
+{
+  return 0; //XXX the base class version does nothing
+}
+
+
 void 
 Socket::NotifyCloseCompleted (void)
 {

src/node/socket.h

@@ -196,6 +196,13 @@ public:
    */
   virtual int SendTo(const Address &address,Ptr<Packet> p) = 0;
 
+  /**
+   * \brief Listen for incoming connections.
+   * \param queueLimit maximum number of incoming request to queue
+   * \returns XXX an error code
+   */
+  virtual int Listen(uint32_t queueLimit);
+
   /**
    * \brief Send data to a specified peer.
    * \param address IP Address of remote host

src/node/tcp.cc

@@ -0,0 +1,71 @@
+/* -*- 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"
+
+namespace ns3 {
+
+NumericDefaultValue<uint32_t>       Tcp::defaultSegSize
+("TcpDefaultSegmentSize",
+"Default TCP maximum segment size in bytes (may be adjusted based on MTU discovery)",
+536);
+
+NumericDefaultValue<uint32_t>       Tcp::defaultAdvWin
+("TcpDefaultAdvertisedWindowSize",
+"Default TCP advertised window size (bytes)",
+0xffff);
+
+NumericDefaultValue<uint32_t>       Tcp::defaultSSThresh
+("TcpDefaultSlowStartThreshold",
+"Default TCP slow start threshold (bytes)",
+0xffff);
+
+NumericDefaultValue<uint32_t>       Tcp::defaultTxBuffer
+("TcpDefaultTxBufferSize",
+"Default TCP maximum transmit buffer size (bytes)",
+0xffffffffl);
+
+NumericDefaultValue<uint32_t>       Tcp::defaultRxBuffer
+("TcpDefaultRxBufferSize",
+"Default TCP maximum receive buffer size (bytes)",
+0xffffffffl);
+
+NumericDefaultValue<uint32_t>       Tcp::defaultInitialCWnd
+("TcpDefaultInitialCongestionWindowSize",
+"Default TCP initial congestion window size (segments)",
+1);
+
+NumericDefaultValue<uint32_t>       Tcp::defaultConnTimeout
+("TcpDefaultConnTimeout",
+"Default TCP retransmission timeout when opening connection (seconds)",
+6);
+
+NumericDefaultValue<uint32_t>       Tcp::defaultConnCount
+("TcpDefaultConnCount",
+"Default number of connection attempts (SYN retransmissions) before returning failure",
+3);
+
+const InterfaceId Tcp::iid = MakeInterfaceId ("Tcp", SocketFactory::iid);
+
+Tcp::Tcp ()
+{
+  SetInterfaceId (Tcp::iid);
+}
+
+} // namespace ns3

src/node/tcp.h

@@ -0,0 +1,67 @@
+/* -*- 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>
+ */
+#ifndef TCP_H
+#define TCP_H
+
+#include "ns3/default-value.h"
+#include "socket-factory.h"
+
+namespace ns3 {
+
+class Socket;
+
+/**
+ * \brief API to create TCP socket instances 
+ *
+ * This abstract class defines the API for TCP sockets.
+ * This class also holds the global default variables used to
+ * initialize newly created sockets, such as values that are
+ * set through the sysctl or proc interfaces in Linux.
+
+ * All TCP implementations must provide an implementation of CreateSocket
+ * below, and should make use of the default values configured below.
+ * 
+ * \see TcpImpl
+ *
+ */
+class Tcp : public SocketFactory
+{
+public:
+  static const InterfaceId iid;
+
+  Tcp ();
+
+  virtual Ptr<Socket> CreateSocket (void) = 0;
+
+public:
+  static NumericDefaultValue<uint32_t>       defaultSegSize;  
+  static NumericDefaultValue<uint32_t>       defaultAdvWin;   
+  static NumericDefaultValue<uint32_t>       defaultSSThresh; 
+  static NumericDefaultValue<uint32_t>       defaultTxBuffer; 
+  static NumericDefaultValue<uint32_t>       defaultRxBuffer; 
+  static NumericDefaultValue<uint32_t>       defaultInitialCWnd; 
+  static NumericDefaultValue<uint32_t>       defaultConnTimeout;  
+  static NumericDefaultValue<uint32_t>       defaultConnCount;  
+
+};
+
+} // namespace ns3
+
+#endif /* UDP_H */

src/node/wscript

@@ -25,6 +25,7 @@ def build(bld):
         'packet-socket-factory.cc',
         'packet-socket.cc',
         'udp.cc',
+        'tcp.cc',
         'ipv4.cc',
         'application.cc',
         ]
@@ -52,6 +53,7 @@ def build(bld):
         'socket-factory.h',
         'packet-socket-factory.h',
         'udp.h',
+        'tcp.h',
         'ipv4.h',
         'application.h',
         ]