src/remoting/jingle_glue/jingle_info_request.cc

   1 // Copyright (c) 2012 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/jingle_glue/jingle_info_request.h"
   6
   7 #include "base/bind.h"
   8 #include "base/message_loop/message_loop.h"
   9 #include "base/stl_util.h"
  10 #include "base/strings/string_number_conversions.h"
  11 #include "net/base/net_util.h"
  12 #include "remoting/jingle_glue/iq_sender.h"
  13 #include "third_party/libjingle/source/talk/base/socketaddress.h"
  14 #include "third_party/libjingle/source/talk/xmllite/xmlelement.h"
  15 #include "third_party/libjingle/source/talk/xmpp/constants.h"
  16
  17 namespace remoting {
  18
  19 JingleInfoRequest::JingleInfoRequest(SignalStrategy* signal_strategy)
  20     : iq_sender_(signal_strategy) {
  21 }
  22
  23 JingleInfoRequest::~JingleInfoRequest() {
  24 }
  25
  26 void JingleInfoRequest::Send(const OnJingleInfoCallback& callback) {
  27   on_jingle_info_cb_ = callback;
  28   scoped_ptr<buzz::XmlElement> iq_body(
  29       new buzz::XmlElement(buzz::QN_JINGLE_INFO_QUERY, true));
  30   request_ = iq_sender_.SendIq(
  31       buzz::STR_GET, buzz::STR_EMPTY, iq_body.Pass(),
  32       base::Bind(&JingleInfoRequest::OnResponse, base::Unretained(this)));
  33 }
  34
  35 void JingleInfoRequest::OnResponse(IqRequest* request,
  36                                    const buzz::XmlElement* stanza) {
  37   const buzz::XmlElement* query =
  38       stanza->FirstNamed(buzz::QN_JINGLE_INFO_QUERY);
  39   if (query == NULL) {
  40     LOG(WARNING) << "No Jingle info found in Jingle Info query response."
  41                  << stanza->Str();
  42     return;
  43   }
  44
  45   std::vector<talk_base::SocketAddress> stun_hosts;
  46   const buzz::XmlElement* stun = query->FirstNamed(buzz::QN_JINGLE_INFO_STUN);
  47   if (stun) {
  48     for (const buzz::XmlElement* server =
  49          stun->FirstNamed(buzz::QN_JINGLE_INFO_SERVER);
  50          server != NULL;
  51          server = server->NextNamed(buzz::QN_JINGLE_INFO_SERVER)) {
  52       std::string host = server->Attr(buzz::QN_JINGLE_INFO_HOST);
  53       std::string port_str = server->Attr(buzz::QN_JINGLE_INFO_UDP);
  54       if (host != buzz::STR_EMPTY && port_str != buzz::STR_EMPTY) {
  55         int port;
  56         if (!base::StringToInt(port_str, &port)) {
  57           LOG(WARNING) << "Unable to parse port in stanza" << stanza->Str();
  58           continue;
  59         }
  60
  61         stun_hosts.push_back(talk_base::SocketAddress(host, port));
  62       }
  63     }
  64   }
  65
  66   std::vector<std::string> relay_hosts;
  67   std::string relay_token;
  68   const buzz::XmlElement* relay = query->FirstNamed(buzz::QN_JINGLE_INFO_RELAY);
  69   if (relay) {
  70     relay_token = relay->TextNamed(buzz::QN_JINGLE_INFO_TOKEN);
  71     for (const buzz::XmlElement* server =
  72          relay->FirstNamed(buzz::QN_JINGLE_INFO_SERVER);
  73          server != NULL;
  74          server = server->NextNamed(buzz::QN_JINGLE_INFO_SERVER)) {
  75       std::string host = server->Attr(buzz::QN_JINGLE_INFO_HOST);
  76       if (host != buzz::STR_EMPTY)
  77         relay_hosts.push_back(host);
  78     }
  79   }
  80
  81   on_jingle_info_cb_.Run(relay_token, relay_hosts, stun_hosts);
  82 }
  83
  84 }  // namespace remoting