// Copyright 2010, Shuo Chen.  All rights reserved.
 // http://code.google.com/p/muduo/
 //
 // Use of this source code is governed by a BSD-style license
 // that can be found in the License file.
 
 // Author: Shuo Chen (chenshuo at chenshuo dot com)
 //
 // This is an internal header file, you should not include this.
 
 #ifndef MUDUO_NET_SOCKET_H
 #define MUDUO_NET_SOCKET_H
 
 #include <boost/noncopyable.hpp>
 
 namespace muduo
 {
 
 class InetAddress;
 
 ///
 /// Wrapper of socket file descriptor.
 ///
 /// It closes the sockfd when desctructs.
 /// It's thread safe, all operations are delagated to OS.
 class Socket : boost::noncopyable
 {
  public:
   explicit Socket(int sockfd)
     : sockfd_(sockfd)
   { }
 
   ~Socket();
 
   int fd() const { return sockfd_; }
 
   /// abort if address in use
   void bindAddress(const InetAddress& localaddr);
   /// abort if address in use
   void listen();
 
   /// On success, returns a non-negative integer that is
   /// a descriptor for the accepted socket, which has been
   /// set to non-blocking and close-on-exec. *peeraddr is assigned.
   /// On error, -1 is returned, and *peeraddr is untouched.
   int accept(InetAddress* peeraddr);
 
   ///
   /// Enable/disable SO_REUSEADDR
   ///
   void setReuseAddr(bool on);
 
   void shutdownWrite();
 
+  ///
+  /// Enable/disable TCP_NODELAY (disable/enable Nagle's algorithm).
+  ///
+  void setTcpNoDelay(bool on);
+
  private:
   const int sockfd_;
 };
 
 }
 #endif  // MUDUO_NET_SOCKET_H