Move socket related files from net/base to net/socket.

net/base/tcp_client_socket_libevent.h

-// Copyright (c) 2006-2009 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_BASE_TCP_CLIENT_SOCKET_LIBEVENT_H_
-#define NET_BASE_TCP_CLIENT_SOCKET_LIBEVENT_H_
-
-#include <sys/socket.h>  // for struct sockaddr
-
-#include "base/message_loop.h"
-#include "base/ref_counted.h"
-#include "base/scoped_ptr.h"
-#include "net/base/address_list.h"
-#include "net/base/client_socket.h"
-#include "net/base/completion_callback.h"
-
-struct event;  // From libevent
-
-namespace net {
-
-// A client socket that uses TCP as the transport layer.
-class TCPClientSocketLibevent : public ClientSocket {
- public:
-  // The IP address(es) and port number to connect to.  The TCP socket will try
-  // each IP address in the list until it succeeds in establishing a
-  // connection.
-  explicit TCPClientSocketLibevent(const AddressList& addresses);
-
-  virtual ~TCPClientSocketLibevent();
-
-  // ClientSocket methods:
-  virtual int Connect(CompletionCallback* callback);
-  virtual void Disconnect();
-  virtual bool IsConnected() const;
-  virtual bool IsConnectedAndIdle() const;
-
-  // Socket methods:
-  // 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, CompletionCallback* callback);
-  virtual int Write(IOBuffer* buf, int buf_len, CompletionCallback* callback);
-
-  // Identical to posix system call of same name
-  // Needed by ssl_client_socket_nss
-  virtual int GetPeerName(struct sockaddr *name, socklen_t *namelen);
-
- private:
-  class ReadWatcher : public MessageLoopForIO::Watcher {
-   public:
-    explicit ReadWatcher(TCPClientSocketLibevent* socket) : socket_(socket) {}
-
-    // MessageLoopForIO::Watcher methods
-
-    virtual void OnFileCanReadWithoutBlocking(int /* fd */) {
-      if (socket_->read_callback_)
-        socket_->DidCompleteRead();
-    }
-
-    virtual void OnFileCanWriteWithoutBlocking(int /* fd */) {}
-
-   private:
-    TCPClientSocketLibevent* const socket_;
-
-    DISALLOW_COPY_AND_ASSIGN(ReadWatcher);
-  };
-
-  class WriteWatcher : public MessageLoopForIO::Watcher {
-   public:
-    explicit WriteWatcher(TCPClientSocketLibevent* socket) : socket_(socket) {}
-
-    // MessageLoopForIO::Watcher methods
-
-    virtual void OnFileCanReadWithoutBlocking(int /* fd */) {}
-
-    virtual void OnFileCanWriteWithoutBlocking(int /* fd */) {
-      if (socket_->waiting_connect_) {
-        socket_->DidCompleteConnect();
-      } else if (socket_->write_callback_) {
-        socket_->DidCompleteWrite();
-      }
-    }
-
-   private:
-    TCPClientSocketLibevent* const socket_;
-
-    DISALLOW_COPY_AND_ASSIGN(WriteWatcher);
-  };
-
-  void DoReadCallback(int rv);
-  void DoWriteCallback(int rv);
-  void DidCompleteRead();
-  void DidCompleteWrite();
-  void DidCompleteConnect();
-
-  int CreateSocket(const struct addrinfo* ai);
-
-  int socket_;
-
-  // The list of addresses we should try in order to establish a connection.
-  AddressList addresses_;
-
-  // Where we are in above list, or NULL if all addrinfos have been tried.
-  const struct addrinfo* current_ai_;
-
-  // Whether we're currently waiting for connect() to complete
-  bool waiting_connect_;
-
-  // The socket's libevent wrappers
-  MessageLoopForIO::FileDescriptorWatcher read_socket_watcher_;
-  MessageLoopForIO::FileDescriptorWatcher write_socket_watcher_;
-
-  // The corresponding watchers for reads and writes.
-  ReadWatcher read_watcher_;
-  WriteWatcher write_watcher_;
-
-  // The buffer used by OnSocketReady to retry Read requests
-  scoped_refptr<IOBuffer> read_buf_;
-  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.
-  CompletionCallback* read_callback_;
-
-  // External callback; called when write is complete.
-  CompletionCallback* write_callback_;
-
-  DISALLOW_COPY_AND_ASSIGN(TCPClientSocketLibevent);
-};
-
-}  // namespace net
-
-#endif  // NET_BASE_TCP_CLIENT_SOCKET_LIBEVENT_H_