Pull out common code from client and host versions of LogToServer

remoting/client/log_to_server.h

-// Copyright 2014 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_CLIENT_LOG_TO_SERVER_H_
-#define REMOTING_CLIENT_LOG_TO_SERVER_H_
-
-#include <deque>
-#include <map>
-#include <string>
-
-#include "base/threading/non_thread_safe.h"
-#include "base/time/time.h"
-#include "remoting/jingle_glue/server_log_entry.h"
-#include "remoting/jingle_glue/signal_strategy.h"
-#include "remoting/protocol/connection_to_host.h"
-#include "remoting/protocol/errors.h"
-
-namespace buzz {
-class XmlElement;
-}  // namespace buzz
-
-namespace remoting {
-
-class ChromotingStats;
-class IqSender;
-
-// Temporary namespace to prevent conflict with the same-named class in
-// remoting/host when linking unittests.
-//
-// TODO(lambroslambrou): Remove this and factor out any shared code.
-namespace client {
-
-// LogToServer sends log entries to a server.
-// The contents of the log entries are described in server_log_entry.cc.
-// They do not contain any personally identifiable information.
-class LogToServer : public base::NonThreadSafe,
-                    public SignalStrategy::Listener {
- public:
-  LogToServer(ServerLogEntry::Mode mode,
-              SignalStrategy* signal_strategy,
-              const std::string& directory_bot_jid);
-  virtual ~LogToServer();
-
-  // Logs a session state change.
-  void LogSessionStateChange(protocol::ConnectionToHost::State state,
-                             protocol::ErrorCode error);
-  void LogStatistics(remoting::ChromotingStats* statistics);
-
-  // SignalStrategy::Listener interface.
-  virtual void OnSignalStrategyStateChange(
-      SignalStrategy::State state) OVERRIDE;
-  virtual bool OnSignalStrategyIncomingStanza(
-      const buzz::XmlElement* stanza) OVERRIDE;
-
- private:
-  void Log(const ServerLogEntry& entry);
-  void SendPendingEntries();
-
-  // Generates a new random session ID.
-  void GenerateSessionId();
-
-  // Expire the session ID if the maximum duration has been exceeded.
-  void MaybeExpireSessionId();
-
-  ServerLogEntry::Mode mode_;
-  SignalStrategy* signal_strategy_;
-  scoped_ptr<IqSender> iq_sender_;
-  std::string directory_bot_jid_;
-
-  std::deque<ServerLogEntry> pending_entries_;
-
-  // A randomly generated session ID to be attached to log messages. This
-  // is regenerated at the start of a new session.
-  std::string session_id_;
-
-  // Start time of the session.
-  base::TimeTicks session_start_time_;
-
-  // Time when the session ID was generated.
-  base::TimeTicks session_id_generation_time_;
-
-  DISALLOW_COPY_AND_ASSIGN(LogToServer);
-};
-
-}  // namespace client
-
-}  // namespace remoting
-
-#endif  // REMOTING_CLIENT_LOG_TO_SERVER_H_