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 85