Pull out common code from client and host versions of ServerLogEntry.

remoting/host/server_log_entry.h

-// Copyright (c) 2012 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 REMOTING_HOST_SERVER_LOG_ENTRY_H_
-#define REMOTING_HOST_SERVER_LOG_ENTRY_H_
-
-#include <map>
-#include <string>
-
-#include "base/memory/scoped_ptr.h"
-#include "remoting/host/host_exit_codes.h"
-#include "remoting/host/host_status_sender.h"
-#include "remoting/protocol/transport.h"
-
-namespace buzz {
-class XmlElement;
-}  // namespace buzz
-
-namespace remoting {
-
-class ServerLogEntry {
- public:
-  // The mode of a connection.
-  enum Mode {
-    IT2ME,
-    ME2ME
-  };
-
-  // Constructs a log stanza. The caller should add one or more log entry
-  // stanzas as children of this stanza, before sending the log stanza to
-  // the remoting bot.
-  static scoped_ptr<buzz::XmlElement> MakeStanza();
-
-  // Constructs a log entry for a session state change.
-  // Currently this is either connection or disconnection.
-  static scoped_ptr<ServerLogEntry> MakeForSessionStateChange(bool connection);
-
-  // Constructs a log entry for a heartbeat.
-  static scoped_ptr<ServerLogEntry> MakeForHeartbeat();
-
-  // Constructs a log entry for a host status message.
-  static scoped_ptr<ServerLogEntry> MakeForHostStatus(
-      HostStatusSender::HostStatus host_status, HostExitCodes exit_code);
-
-  ~ServerLogEntry();
-
-  // Adds fields describing the host to this log entry.
-  void AddHostFields();
-
-  // Adds a field describing the mode of a connection to this log entry.
-  void AddModeField(Mode mode);
-
-  // Adds a field describing connection type (direct/stun/relay).
-  void AddConnectionTypeField(protocol::TransportRoute::RouteType type);
-
-  // Converts this object to an XML stanza.
-  scoped_ptr<buzz::XmlElement> ToStanza() const;
-
- private:
-  typedef std::map<std::string, std::string> ValuesMap;
-
-  ServerLogEntry();
-  void Set(const std::string& key, const std::string& value);
-
-  static const char* GetValueSessionState(bool connected);
-  static const char* GetValueMode(Mode mode);
-
-  ValuesMap values_map_;
-};
-
-}  // namespace remoting
-
-#endif