--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/node/tcp-socket-factory.h	Tue May 20 12:16:55 2008 -0700
@@ -0,0 +1,78 @@
+/* -*- 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_SOCKET_FACTORY_H
+#define TCP_SOCKET_FACTORY_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 socket factory implementations must provide an implementation 
+ * of CreateSocket
+ * below, and should make use of the default values configured below.
+ * 
+ * \see TcpSocketFactoryImpl
+ *
+ */
+class TcpSocketFactory : public SocketFactory
+{
+public:
+  static TypeId GetTypeId (void);
+
+  virtual Ptr<Socket> CreateSocket (void) = 0;
+
+  uint32_t GetDefaultSegSize (void) const;
+  uint32_t GetDefaultAdvWin (void) const;
+  uint32_t GetDefaultSsThresh (void) const;
+  uint32_t GetDefaultTxBuffer (void) const;
+  uint32_t GetDefaultRxBuffer (void) const;
+  uint32_t GetDefaultInitialCwnd (void) const;
+  uint32_t GetDefaultConnTimeout (void) const;
+  uint32_t GetDefaultConnCount (void) const;
+  double   GetDefaultDelAckTimeout (void) const;
+  uint32_t GetDefaultDelAckCount (void) const;
+
+private:
+  uint32_t  m_defaultSegSize;
+  uint32_t  m_defaultAdvWin; 
+  uint32_t  m_defaultSsThresh;
+  uint32_t  m_defaultTxBuffer;
+  uint32_t  m_defaultRxBuffer;
+  uint32_t  m_defaultInitialCwnd;
+  uint32_t  m_defaultConnTimeout;
+  uint32_t  m_defaultConnCount;
+  double    m_defaultDelAckTimeout;
+  uint32_t  m_defaultDelAckCount;
+
+};
+
+} // namespace ns3
+
+#endif /* TCP_SOCKET_FACTORY_H */