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// Copyright (c) 2011 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_request.h"
#include "base/task.h"
#include "base/message_loop.h"
#include "base/stl_util.h"
#include "base/string_number_conversions.h"
#include "net/base/net_util.h"
#include "remoting/jingle_glue/host_resolver.h"
#include "remoting/jingle_glue/iq_request.h"
#include "third_party/libjingle/source/talk/base/socketaddress.h"
#include "third_party/libjingle/source/talk/xmllite/xmlelement.h"
#include "third_party/libjingle/source/talk/xmpp/constants.h"
namespace remoting {
JingleInfoRequest::JingleInfoRequest(IqRequest* request,
HostResolverFactory* host_resolver_factory)
: host_resolver_factory_(host_resolver_factory),
request_(request) {
request_->set_callback(NewCallback(this, &JingleInfoRequest::OnResponse));
}
JingleInfoRequest::~JingleInfoRequest() {
STLDeleteContainerPointers(stun_dns_requests_.begin(),
stun_dns_requests_.end());
}
void JingleInfoRequest::Send(const OnJingleInfoCallback& callback) {
on_jingle_info_cb_ = callback;
request_->SendIq(buzz::STR_GET, buzz::STR_EMPTY,
new buzz::XmlElement(buzz::QN_JINGLE_INFO_QUERY, true));
}
void JingleInfoRequest::OnResponse(const buzz::XmlElement* stanza) {
const buzz::XmlElement* query =
stanza->FirstNamed(buzz::QN_JINGLE_INFO_QUERY);
if (query == NULL) {
LOG(WARNING) << "No Jingle info found in Jingle Info query response."
<< stanza->Str();
return;
}
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_str = server->Attr(buzz::QN_JINGLE_INFO_UDP);
if (host != buzz::STR_EMPTY && port_str != buzz::STR_EMPTY) {
int port;
if (!base::StringToInt(port_str, &port)) {
LOG(WARNING) << "Unable to parse port in stanza" << stanza->Str();
} else {
net::IPAddressNumber ip_number;
HostResolver* resolver = host_resolver_factory_->CreateHostResolver();
stun_dns_requests_.insert(resolver);
resolver->SignalDone.connect(
this, &JingleInfoRequest::OnStunAddressResponse);
resolver->Resolve(talk_base::SocketAddress(host, port));
}
}
}
}
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);
}
}
if (stun_dns_requests_.empty())
on_jingle_info_cb_.Run(relay_token_, relay_hosts_, stun_hosts_);
}
void JingleInfoRequest::OnStunAddressResponse(
HostResolver* resolver, const talk_base::SocketAddress& address) {
if (!address.IsNil())
stun_hosts_.push_back(address);
MessageLoop::current()->DeleteSoon(FROM_HERE, resolver);
stun_dns_requests_.erase(resolver);
if (stun_dns_requests_.empty())
on_jingle_info_cb_.Run(relay_token_, relay_hosts_, stun_hosts_);
}
} // namespace remoting
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