base::Bind: Convert StreamSocket::Connect.

net/socket/tcp_client_socket_libevent.h

 // Copyright (c) 2011 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_CLIENT_SOCKET_LIBEVENT_H_
 #define NET_SOCKET_TCP_CLIENT_SOCKET_LIBEVENT_H_
 #pragma once
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 24 matching lines @@
   // AdoptSocket causes the given, connected socket to be adopted as a TCP
   // socket. This object must not be connected. This object takes ownership of
   // the given socket and then acts as if Connect() had been called. This
   // function is used by TCPServerSocket() to adopt accepted connections
   // and for testing.
   int AdoptSocket(int socket);
 
   // Binds the socket to a local IP address and port.
   int Bind(const IPEndPoint& address);
 
-  // StreamSocket methods:
+  // StreamSocket implementation.
   virtual int Connect(OldCompletionCallback* callback) OVERRIDE;
+  virtual int Connect(const CompletionCallback& callback) OVERRIDE;
   virtual void Disconnect() OVERRIDE;
   virtual bool IsConnected() const OVERRIDE;
   virtual bool IsConnectedAndIdle() const OVERRIDE;
   virtual int GetPeerAddress(AddressList* address) const OVERRIDE;
   virtual int GetLocalAddress(IPEndPoint* address) const OVERRIDE;
   virtual const BoundNetLog& NetLog() const OVERRIDE;
   virtual void SetSubresourceSpeculation() OVERRIDE;
   virtual void SetOmniboxSpeculation() OVERRIDE;
   virtual bool WasEverUsed() const OVERRIDE;
   virtual bool UsingTCPFastOpen() const OVERRIDE;
   virtual int64 NumBytesRead() const OVERRIDE;
   virtual base::TimeDelta GetConnectTimeMicros() const OVERRIDE;
 
-  // Socket methods:
+  // Socket implementation.
   // Multiple outstanding requests are not supported.
   // Full duplex mode (reading and writing at the same time) is supported
   virtual int Read(IOBuffer* buf,
                    int buf_len,
                    OldCompletionCallback* callback) OVERRIDE;
   virtual int Write(IOBuffer* buf,
                     int buf_len,
                     OldCompletionCallback* callback) OVERRIDE;
   virtual bool SetReceiveBufferSize(int32 size) OVERRIDE;
   virtual bool SetSendBufferSize(int32 size) OVERRIDE;
@@ skipping 22 matching lines @@
    private:
     TCPClientSocketLibevent* const socket_;
 
     DISALLOW_COPY_AND_ASSIGN(ReadWatcher);
   };
 
   class WriteWatcher : public MessageLoopForIO::Watcher {
    public:
     explicit WriteWatcher(TCPClientSocketLibevent* socket) : socket_(socket) {}
 
-    // MessageLoopForIO::Watcher methods
-
+    // MessageLoopForIO::Watcher implementation.
     virtual void OnFileCanReadWithoutBlocking(int /* fd */) OVERRIDE {}
-
     virtual void OnFileCanWriteWithoutBlocking(int /* fd */) OVERRIDE {
       if (socket_->waiting_connect()) {
         socket_->DidCompleteConnect();
-      } else if (socket_->write_callback_) {
+      } else if (socket_->old_write_callback_ ||
+                 !socket_->write_callback_.is_null()) {
         socket_->DidCompleteWrite();
       }
     }
 
    private:
     TCPClientSocketLibevent* const socket_;
 
     DISALLOW_COPY_AND_ASSIGN(WriteWatcher);
   };
 
@@ skipping 51 matching lines @@
   int read_buf_len_;
 
   // The buffer used by OnSocketReady to retry Write requests
   scoped_refptr<IOBuffer> write_buf_;
   int write_buf_len_;
 
   // External callback; called when read is complete.
   OldCompletionCallback* read_callback_;
 
   // External callback; called when write is complete.
-  OldCompletionCallback* write_callback_;
+  OldCompletionCallback* old_write_callback_;
+  CompletionCallback write_callback_;
 
   // The next state for the Connect() state machine.
   ConnectState next_connect_state_;
 
   // The OS error that CONNECT_STATE_CONNECT last completed with.
   int connect_os_error_;
 
   BoundNetLog net_log_;
 
   // This socket was previously disconnected and has not been re-connected.
@@ skipping 12 matching lines @@
   base::TimeTicks connect_start_time_;
   base::TimeDelta connect_time_micros_;
   int64 num_bytes_read_;
 
   DISALLOW_COPY_AND_ASSIGN(TCPClientSocketLibevent);
 };
 
 }  // namespace net
 
 #endif  // NET_SOCKET_TCP_CLIENT_SOCKET_LIBEVENT_H_