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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef REMOTING_HOST_HOST_STATUS_LOGGER_H_
      6 #define REMOTING_HOST_HOST_STATUS_LOGGER_H_
      7 
      8 #include <map>
      9 
     10 #include "base/memory/weak_ptr.h"
     11 #include "base/threading/non_thread_safe.h"
     12 #include "remoting/host/host_status_observer.h"
     13 #include "remoting/protocol/transport.h"
     14 #include "remoting/signaling/log_to_server.h"
     15 
     16 namespace remoting {
     17 
     18 class HostStatusMonitor;
     19 
     20 // HostStatusLogger sends host log entries to a server.
     21 // The contents of the log entries are described in server_log_entry_host.cc.
     22 // They do not contain any personally identifiable information.
     23 class HostStatusLogger : public HostStatusObserver,
     24                          public base::NonThreadSafe {
     25  public:
     26   HostStatusLogger(base::WeakPtr<HostStatusMonitor> monitor,
     27                   ServerLogEntry::Mode mode,
     28                   SignalStrategy* signal_strategy,
     29                   const std::string& directory_bot_jid);
     30   virtual ~HostStatusLogger();
     31 
     32   // Logs a session state change. Currently, this is either
     33   // connection or disconnection.
     34   void LogSessionStateChange(const std::string& jid, bool connected);
     35 
     36   // HostStatusObserver interface.
     37   virtual void OnClientConnected(const std::string& jid) OVERRIDE;
     38   virtual void OnClientDisconnected(const std::string& jid) OVERRIDE;
     39   virtual void OnClientRouteChange(
     40       const std::string& jid,
     41       const std::string& channel_name,
     42       const protocol::TransportRoute& route) OVERRIDE;
     43 
     44   // Allows test code to fake SignalStrategy state change events.
     45   void SetSignalingStateForTest(SignalStrategy::State state);
     46 
     47  private:
     48   LogToServer log_to_server_;
     49 
     50   base::WeakPtr<HostStatusMonitor> monitor_;
     51 
     52   // A map from client JID to the route type of that client's connection to
     53   // this host.
     54   std::map<std::string, protocol::TransportRoute::RouteType>
     55       connection_route_type_;
     56 
     57   DISALLOW_COPY_AND_ASSIGN(HostStatusLogger);
     58 };
     59 
     60 }  // namespace remoting
     61 
     62 #endif  // REMOTING_HOST_HOST_STATUS_LOGGER_H_
     63