remoting/host/host_status_logger.cc

   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 #include "remoting/host/host_status_logger.h"
   6
   7 #include "base/bind.h"
   8 #include "remoting/base/constants.h"
   9 #include "remoting/host/host_status_monitor.h"
  10 #include "remoting/host/server_log_entry_host.h"
  11 #include "remoting/protocol/transport.h"
  12 #include "remoting/signaling/server_log_entry.h"
  13
  14 namespace remoting {
  15
  16 HostStatusLogger::HostStatusLogger(base::WeakPtr<HostStatusMonitor> monitor,
  17                                    ServerLogEntry::Mode mode,
  18                                    SignalStrategy* signal_strategy,
  19                                    const std::string& directory_bot_jid)
  20     : log_to_server_(mode, signal_strategy, directory_bot_jid),
  21       monitor_(monitor) {
  22   monitor_->AddStatusObserver(this);
  23 }
  24
  25 HostStatusLogger::~HostStatusLogger() {
  26   if (monitor_.get())
  27     monitor_->RemoveStatusObserver(this);
  28 }
  29
  30 void HostStatusLogger::LogSessionStateChange(const std::string& jid,
  31                                              bool connected) {
  32   DCHECK(CalledOnValidThread());
  33
  34   scoped_ptr<ServerLogEntry> entry(
  35       MakeLogEntryForSessionStateChange(connected));
  36   AddHostFieldsToLogEntry(entry.get());
  37   entry->AddModeField(log_to_server_.mode());
  38
  39   if (connected) {
  40     DCHECK_EQ(connection_route_type_.count(jid), 1u);
  41     AddConnectionTypeToLogEntry(entry.get(), connection_route_type_[jid]);
  42   }
  43   log_to_server_.Log(*entry.get());
  44 }
  45
  46 void HostStatusLogger::OnClientConnected(const std::string& jid) {
  47   DCHECK(CalledOnValidThread());
  48   LogSessionStateChange(jid, true);
  49 }
  50
  51 void HostStatusLogger::OnClientDisconnected(const std::string& jid) {
  52   DCHECK(CalledOnValidThread());
  53   LogSessionStateChange(jid, false);
  54   connection_route_type_.erase(jid);
  55 }
  56
  57 void HostStatusLogger::OnClientRouteChange(
  58     const std::string& jid,
  59     const std::string& channel_name,
  60     const protocol::TransportRoute& route) {
  61   // Store connection type for the video channel. It is logged later
  62   // when client authentication is finished.
  63   if (channel_name == kVideoChannelName || channel_name == kQuicChannelName) {
  64     connection_route_type_[jid] = route.type;
  65   }
  66 }
  67
  68 void HostStatusLogger::SetSignalingStateForTest(SignalStrategy::State state) {
  69   log_to_server_.OnSignalStrategyStateChange(state);
  70 }
  71
  72 }  // namespace remoting