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// Copyright (c) 2010 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/jingle_glue/jingle_info_task.h"
#include "base/scoped_ptr.h"
#include "third_party/libjingle/source/talk/base/socketaddress.h"
#include "third_party/libjingle/source/talk/xmpp/constants.h"
#include "third_party/libjingle/source/talk/xmpp/xmppclient.h"
namespace remoting {
// This code is a copy of googleclient/talk/app/jingleinfotask.cc .
class JingleInfoTask::JingleInfoGetTask : public XmppTask {
public:
explicit JingleInfoGetTask(talk_base::TaskParent* parent)
: XmppTask(parent, buzz::XmppEngine::HL_SINGLE),
done_(false) {
}
virtual int ProcessStart() {
// Set jingle info query IQ stanza.
scoped_ptr<buzz::XmlElement> get_iq(
MakeIq(buzz::STR_GET, buzz::JID_EMPTY, task_id()));
get_iq->AddElement(new buzz::XmlElement(buzz::QN_JINGLE_INFO_QUERY, true));
if (SendStanza(get_iq.get()) != buzz::XMPP_RETURN_OK) {
return STATE_ERROR;
}
return STATE_RESPONSE;
}
virtual int ProcessResponse() {
if (done_) {
return STATE_DONE;
}
return STATE_BLOCKED;
}
protected:
virtual bool HandleStanza(const buzz::XmlElement* stanza) {
if (!MatchResponseIq(stanza, buzz::JID_EMPTY, task_id())) {
return false;
}
if (stanza->Attr(buzz::QN_TYPE) != buzz::STR_RESULT) {
return false;
}
// Queue the stanza with the parent so these don't get handled out of order.
JingleInfoTask* parent = static_cast<JingleInfoTask*>(GetParent());
parent->QueueStanza(stanza);
// Wake ourselves so we can go into the done state.
done_ = true;
Wake();
return true;
}
bool done_;
};
JingleInfoTask::JingleInfoTask(talk_base::TaskParent* parent)
: XmppTask(parent, buzz::XmppEngine::HL_TYPE) {
}
JingleInfoTask::~JingleInfoTask() {}
void JingleInfoTask::RefreshJingleInfoNow() {
JingleInfoGetTask* get_task = new JingleInfoGetTask(this);
get_task->Start();
}
bool JingleInfoTask::HandleStanza(const buzz::XmlElement* stanza) {
if (!MatchRequestIq(stanza, "set", buzz::QN_JINGLE_INFO_QUERY)) {
return false;
}
// Only respect relay push from the server.
buzz::Jid from(stanza->Attr(buzz::QN_FROM));
if (from != buzz::JID_EMPTY &&
!from.BareEquals(GetClient()->jid()) &&
from != buzz::Jid(GetClient()->jid().domain())) {
return false;
}
QueueStanza(stanza);
return true;
}
int JingleInfoTask::ProcessStart() {
std::vector<std::string> relay_hosts;
std::vector<talk_base::SocketAddress> stun_hosts;
std::string relay_token;
const buzz::XmlElement* stanza = NextStanza();
if (stanza == NULL) {
return STATE_BLOCKED;
}
const buzz::XmlElement* query =
stanza->FirstNamed(buzz::QN_JINGLE_INFO_QUERY);
if (query == NULL) {
return STATE_START;
}
const buzz::XmlElement* stun = query->FirstNamed(buzz::QN_JINGLE_INFO_STUN);
if (stun) {
for (const buzz::XmlElement* server =
stun->FirstNamed(buzz::QN_JINGLE_INFO_SERVER);
server != NULL;
server = server->NextNamed(buzz::QN_JINGLE_INFO_SERVER)) {
std::string host = server->Attr(buzz::QN_JINGLE_INFO_HOST);
std::string port = server->Attr(buzz::QN_JINGLE_INFO_UDP);
if (host != buzz::STR_EMPTY && host != buzz::STR_EMPTY) {
// TODO(sergeyu): Avoid atoi() here.
stun_hosts.push_back(
talk_base::SocketAddress(host, atoi(port.c_str())));
}
}
}
const buzz::XmlElement* relay = query->FirstNamed(buzz::QN_JINGLE_INFO_RELAY);
if (relay) {
relay_token = relay->TextNamed(buzz::QN_JINGLE_INFO_TOKEN);
for (const buzz::XmlElement* server =
relay->FirstNamed(buzz::QN_JINGLE_INFO_SERVER);
server != NULL;
server = server->NextNamed(buzz::QN_JINGLE_INFO_SERVER)) {
std::string host = server->Attr(buzz::QN_JINGLE_INFO_HOST);
if (host != buzz::STR_EMPTY) {
relay_hosts.push_back(host);
}
}
}
SignalJingleInfo(relay_token, relay_hosts, stun_hosts);
return STATE_START;
}
} // namespace remoting
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