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

net/base/client_socket_handle.h

-// Copyright (c) 2006-2008 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_CLIENT_SOCKET_HANDLE_H_
-#define NET_BASE_CLIENT_SOCKET_HANDLE_H_
-
-#include <string>
-
-#include "base/ref_counted.h"
-#include "base/scoped_ptr.h"
-#include "net/base/client_socket.h"
-#include "net/base/completion_callback.h"
-#include "net/base/host_resolver.h"
-#include "net/base/load_states.h"
-
-namespace net {
-
-class ClientSocketPool;
-
-// A container for a ClientSocket.
-//
-// The handle's |group_name| uniquely identifies the origin and type of the
-// connection.  It is used by the ClientSocketPool to group similar connected
-// client socket objects.
-//
-class ClientSocketHandle {
- public:
-  explicit ClientSocketHandle(ClientSocketPool* pool);
-  ~ClientSocketHandle();
-
-  // Initializes a ClientSocketHandle object, which involves talking to the
-  // ClientSocketPool to obtain a connected socket, possibly reusing one.  This
-  // method returns either OK or ERR_IO_PENDING.  On ERR_IO_PENDING, |priority|
-  // is used to determine the placement in ClientSocketPool's wait list.
-  //
-  // If this method succeeds, then the socket member will be set to an existing
-  // connected socket if an existing connected socket was available to reuse,
-  // otherwise it will be set to a new connected socket.  Consumers can then
-  // call is_reused() to see if the socket was reused.  If not reusing an
-  // existing socket, ClientSocketPool may need to establish a new
-  // connection to the |resolve_info.host| |resolve_info.port| pair.
-  //
-  // This method returns ERR_IO_PENDING if it cannot complete synchronously, in
-  // which case the consumer will be notified of completion via |callback|.
-  //
-  // Init may be called multiple times.
-  //
-  int Init(const std::string& group_name,
-           const HostResolver::RequestInfo& resolve_info,
-           int priority,
-           CompletionCallback* callback);
-
-  // An initialized handle can be reset, which causes it to return to the
-  // un-initialized state.  This releases the underlying socket, which in the
-  // case of a socket that still has an established connection, indicates that
-  // the socket may be kept alive for use by a subsequent ClientSocketHandle.
-  //
-  // NOTE: To prevent the socket from being kept alive, be sure to call its
-  // Disconnect method.  This will result in the ClientSocketPool deleting the
-  // ClientSocket.
-  void Reset();
-
-  // Used after Init() is called, but before the ClientSocketPool has
-  // initialized the ClientSocketHandle.
-  LoadState GetLoadState() const;
-
-  // Returns true when Init() has completed successfully.
-  bool is_initialized() const { return socket_ != NULL; }
-
-  // Used by ClientSocketPool to initialize the ClientSocketHandle.
-  void set_is_reused(bool is_reused) { is_reused_ = is_reused; }
-  void set_socket(ClientSocket* s) { socket_.reset(s); }
-
-  // These may only be used if is_initialized() is true.
-  const std::string& group_name() const { return group_name_; }
-  ClientSocket* socket() { return socket_.get(); }
-  ClientSocket* release_socket() { return socket_.release(); }
-  bool is_reused() const { return is_reused_; }
-
- private:
-  void OnIOComplete(int result);
-
-  // Resets the state of the ClientSocketHandle.  |cancel| indicates whether or
-  // not to try to cancel the request with the ClientSocketPool.
-  void ResetInternal(bool cancel);
-
-  scoped_refptr<ClientSocketPool> pool_;
-  scoped_ptr<ClientSocket> socket_;
-  std::string group_name_;
-  bool is_reused_;
-  CompletionCallbackImpl<ClientSocketHandle> callback_;
-  CompletionCallback* user_callback_;
-
-  DISALLOW_COPY_AND_ASSIGN(ClientSocketHandle);
-};
-
-}  // namespace net
-
-#endif  // NET_BASE_CLIENT_SOCKET_HANDLE_H_