Plumbing for TCP FastOpen for SSL sockets.

net/socket/tcp_socket_libevent.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_SOCKET_TCP_SOCKET_LIBEVENT_H_
 #define NET_SOCKET_TCP_SOCKET_LIBEVENT_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/compiler_specific.h"
@@ skipping 47 matching lines @@
   // - SetKeepAlive(true, 45).
   void SetDefaultOptionsForClient();
   int SetAddressReuse(bool allow);
   int SetReceiveBufferSize(int32 size);
   int SetSendBufferSize(int32 size);
   bool SetKeepAlive(bool enable, int delay);
   bool SetNoDelay(bool no_delay);
 
   void Close();
 
+  // Setter/Getter methods for TCP FastOpen socket option.
   bool UsingTCPFastOpen() const;
+  void EnableTCPFastOpenIfSupported();
+
   bool IsValid() const;
 
   // Marks the start/end of a series of connect attempts for logging purpose.
   //
   // TCPClientSocket may attempt to connect to multiple addresses until it
   // succeeds in establishing a connection. The corresponding log will have
   // multiple NetLog::TYPE_TCP_CONNECT_ATTEMPT entries nested within a
   // NetLog::TYPE_TCP_CONNECT. These methods set the start/end of
   // NetLog::TYPE_TCP_CONNECT.
   //
@@ skipping 82 matching lines @@
                        int buf_len,
                        const CompletionCallback& callback);
 
   // Called when the socket is known to be in a connected state.
   void RecordFastOpenStatus();
 
   scoped_ptr<SocketLibevent> socket_;
   scoped_ptr<SocketLibevent> accept_socket_;
 
   // Enables experimental TCP FastOpen option.
-  const bool use_tcp_fastopen_;
+  bool use_tcp_fastopen_;
 
   // True when TCP FastOpen is in use and we have done the connect.
   bool tcp_fastopen_connected_;
-
   FastOpenStatus fast_open_status_;
 
   bool logging_multiple_connect_attempts_;
 
   BoundNetLog net_log_;
 
   DISALLOW_COPY_AND_ASSIGN(TCPSocketLibevent);
 };
 
 }  // namespace net
 
 #endif  // NET_SOCKET_TCP_SOCKET_LIBEVENT_H_