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// 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_proxy.h"
#include "remoting/base/constants.h"
#include "remoting/host/chromoting_host.h"
#include "remoting/host/server_log_entry.h"
#include "remoting/jingle_glue/iq_sender.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(ChromotingHost* host,
ServerLogEntry::Mode mode,
SignalStrategy* signal_strategy)
: host_(host),
mode_(mode),
signal_strategy_(signal_strategy) {
signal_strategy_->AddListener(this);
// |host| may be NULL in tests.
if (host_)
host_->AddStatusObserver(this);
}
LogToServer::~LogToServer() {
signal_strategy_->RemoveListener(this);
if (host_)
host_->RemoveStatusObserver(this);
}
void LogToServer::LogSessionStateChange(const std::string& jid,
bool connected) {
DCHECK(CalledOnValidThread());
scoped_ptr<ServerLogEntry> entry(
ServerLogEntry::MakeForSessionStateChange(connected));
entry->AddHostFields();
entry->AddModeField(mode_);
if (connected) {
DCHECK(connection_route_type_.count(jid) == 1);
entry->AddConnectionTypeField(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, kChromotingBotJid, stanza.Pass(),
IqSender::ReplyCallback());
// We ignore any response, so let the IqRequest be destroyed.
return;
}
} // namespace remoting
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