Pull out common code from client and host versions of LogToServer

remoting/host/log_to_server.cc

-// 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.
-
-#include "remoting/host/log_to_server.h"
-
-#include "base/bind.h"
-#include "base/message_loop/message_loop_proxy.h"
-#include "remoting/base/constants.h"
-#include "remoting/host/host_status_monitor.h"
-#include "remoting/host/server_log_entry_host.h"
-#include "remoting/jingle_glue/iq_sender.h"
-#include "remoting/jingle_glue/server_log_entry.h"
-#include "remoting/jingle_glue/signal_strategy.h"
-#include "remoting/protocol/transport.h"
-#include "third_party/libjingle/source/talk/xmllite/xmlelement.h"
-#include "third_party/libjingle/source/talk/xmpp/constants.h"
-
-using buzz::QName;
-using buzz::XmlElement;
-
-namespace remoting {
-
-LogToServer::LogToServer(base::WeakPtr<HostStatusMonitor> monitor,
-                         ServerLogEntry::Mode mode,
-                         SignalStrategy* signal_strategy,
-                         const std::string& directory_bot_jid)
-    : monitor_(monitor),
-      mode_(mode),
-      signal_strategy_(signal_strategy),
-      directory_bot_jid_(directory_bot_jid) {
-  monitor_->AddStatusObserver(this);
-  signal_strategy_->AddListener(this);
-}
-
-LogToServer::~LogToServer() {
-  signal_strategy_->RemoveListener(this);
-  if (monitor_.get())
-    monitor_->RemoveStatusObserver(this);
-}
-
-void LogToServer::LogSessionStateChange(const std::string& jid,
-                                        bool connected) {
-  DCHECK(CalledOnValidThread());
-
-  scoped_ptr<ServerLogEntry> entry(
-      MakeLogEntryForSessionStateChange(connected));
-  AddHostFieldsToLogEntry(entry.get());
-  entry->AddModeField(mode_);
-
-  if (connected) {
-    DCHECK(connection_route_type_.count(jid) == 1);
-    AddConnectionTypeToLogEntry(entry.get(), connection_route_type_[jid]);
-  }
-  Log(*entry.get());
-}
-
-void LogToServer::OnSignalStrategyStateChange(SignalStrategy::State state) {
-  DCHECK(CalledOnValidThread());
-
-  if (state == SignalStrategy::CONNECTED) {
-    iq_sender_.reset(new IqSender(signal_strategy_));
-    SendPendingEntries();
-  } else if (state == SignalStrategy::DISCONNECTED) {
-    iq_sender_.reset();
-  }
-}
-
-bool LogToServer::OnSignalStrategyIncomingStanza(
-    const buzz::XmlElement* stanza) {
-  return false;
-}
-
-void LogToServer::OnClientConnected(const std::string& jid) {
-  DCHECK(CalledOnValidThread());
-  LogSessionStateChange(jid, true);
-}
-
-void LogToServer::OnClientDisconnected(const std::string& jid) {
-  DCHECK(CalledOnValidThread());
-  LogSessionStateChange(jid, false);
-  connection_route_type_.erase(jid);
-}
-
-void LogToServer::OnClientRouteChange(const std::string& jid,
-                                      const std::string& channel_name,
-                                      const protocol::TransportRoute& route) {
-  // Store connection type for the video channel. It is logged later
-  // when client authentication is finished.
-  if (channel_name == kVideoChannelName) {
-    connection_route_type_[jid] = route.type;
-  }
-}
-
-void LogToServer::Log(const ServerLogEntry& entry) {
-  pending_entries_.push_back(entry);
-  SendPendingEntries();
-}
-
-void LogToServer::SendPendingEntries() {
-  if (iq_sender_ == NULL) {
-    return;
-  }
-  if (pending_entries_.empty()) {
-    return;
-  }
-  // Make one stanza containing all the pending entries.
-  scoped_ptr<XmlElement> stanza(ServerLogEntry::MakeStanza());
-  while (!pending_entries_.empty()) {
-    ServerLogEntry& entry = pending_entries_.front();
-    stanza->AddElement(entry.ToStanza().release());
-    pending_entries_.pop_front();
-  }
-  // Send the stanza to the server.
-  scoped_ptr<IqRequest> req = iq_sender_->SendIq(
-      buzz::STR_SET, directory_bot_jid_, stanza.Pass(),
-      IqSender::ReplyCallback());
-  // We ignore any response, so let the IqRequest be destroyed.
-  return;
-}
-
-}  // namespace remoting