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| 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 "base/time/time.h" | |
| 12 #include "net/base/net_util.h" | |
| 13 #include "remoting/jingle_glue/iq_sender.h" | |
| 14 #include "third_party/libjingle/source/talk/base/socketaddress.h" | |
| 15 #include "third_party/libjingle/source/talk/xmllite/xmlelement.h" | |
| 16 #include "third_party/libjingle/source/talk/xmpp/constants.h" | |
| 17 | |
| 18 namespace remoting { | |
| 19 | |
| 20 const int kRequestTimeoutSeconds = 5; | |
| 21 | |
| 22 JingleInfoRequest::JingleInfoRequest(SignalStrategy* signal_strategy) | |
| 23 : iq_sender_(signal_strategy) { | |
| 24 } | |
| 25 | |
| 26 JingleInfoRequest::~JingleInfoRequest() {} | |
| 27 | |
| 28 void JingleInfoRequest::Send(const OnJingleInfoCallback& callback) { | |
| 29 on_jingle_info_cb_ = callback; | |
| 30 scoped_ptr<buzz::XmlElement> iq_body( | |
| 31 new buzz::XmlElement(buzz::QN_JINGLE_INFO_QUERY, true)); | |
| 32 request_ = iq_sender_.SendIq( | |
| 33 buzz::STR_GET, buzz::STR_EMPTY, iq_body.Pass(), | |
| 34 base::Bind(&JingleInfoRequest::OnResponse, base::Unretained(this))); | |
| 35 if (!request_) { | |
| 36 // If we failed to send IqRequest it means that SignalStrategy is | |
| 37 // disconnected. Notify the caller. | |
| 38 std::vector<talk_base::SocketAddress> stun_hosts; | |
| 39 std::vector<std::string> relay_hosts; | |
| 40 std::string relay_token; | |
| 41 on_jingle_info_cb_.Run(relay_token, relay_hosts, stun_hosts); | |
| 42 return; | |
| 43 } | |
| 44 request_->SetTimeout(base::TimeDelta::FromSeconds(kRequestTimeoutSeconds)); | |
| 45 } | |
| 46 | |
| 47 void JingleInfoRequest::OnResponse(IqRequest* request, | |
| 48 const buzz::XmlElement* stanza) { | |
| 49 std::vector<talk_base::SocketAddress> stun_hosts; | |
| 50 std::vector<std::string> relay_hosts; | |
| 51 std::string relay_token; | |
| 52 | |
| 53 if (!stanza) { | |
| 54 LOG(WARNING) << "Jingle info request has timed out."; | |
| 55 on_jingle_info_cb_.Run(relay_token, relay_hosts, stun_hosts); | |
| 56 return; | |
| 57 } | |
| 58 | |
| 59 const buzz::XmlElement* query = | |
| 60 stanza->FirstNamed(buzz::QN_JINGLE_INFO_QUERY); | |
| 61 if (query == NULL) { | |
| 62 LOG(WARNING) << "No Jingle info found in Jingle Info query response." | |
| 63 << stanza->Str(); | |
| 64 on_jingle_info_cb_.Run(relay_token, relay_hosts, stun_hosts); | |
| 65 return; | |
| 66 } | |
| 67 | |
| 68 const buzz::XmlElement* stun = query->FirstNamed(buzz::QN_JINGLE_INFO_STUN); | |
| 69 if (stun) { | |
| 70 for (const buzz::XmlElement* server = | |
| 71 stun->FirstNamed(buzz::QN_JINGLE_INFO_SERVER); | |
| 72 server != NULL; | |
| 73 server = server->NextNamed(buzz::QN_JINGLE_INFO_SERVER)) { | |
| 74 std::string host = server->Attr(buzz::QN_JINGLE_INFO_HOST); | |
| 75 std::string port_str = server->Attr(buzz::QN_JINGLE_INFO_UDP); | |
| 76 if (host != buzz::STR_EMPTY && port_str != buzz::STR_EMPTY) { | |
| 77 int port; | |
| 78 if (!base::StringToInt(port_str, &port)) { | |
| 79 LOG(WARNING) << "Unable to parse port in stanza" << stanza->Str(); | |
| 80 continue; | |
| 81 } | |
| 82 | |
| 83 stun_hosts.push_back(talk_base::SocketAddress(host, port)); | |
| 84 } | |
| 85 } | |
| 86 } | |
| 87 | |
| 88 const buzz::XmlElement* relay = query->FirstNamed(buzz::QN_JINGLE_INFO_RELAY); | |
| 89 if (relay) { | |
| 90 relay_token = relay->TextNamed(buzz::QN_JINGLE_INFO_TOKEN); | |
| 91 for (const buzz::XmlElement* server = | |
| 92 relay->FirstNamed(buzz::QN_JINGLE_INFO_SERVER); | |
| 93 server != NULL; | |
| 94 server = server->NextNamed(buzz::QN_JINGLE_INFO_SERVER)) { | |
| 95 std::string host = server->Attr(buzz::QN_JINGLE_INFO_HOST); | |
| 96 if (host != buzz::STR_EMPTY) | |
| 97 relay_hosts.push_back(host); | |
| 98 } | |
| 99 } | |
| 100 | |
| 101 on_jingle_info_cb_.Run(relay_token, relay_hosts, stun_hosts); | |
| 102 } | |
| 103 | |
| 104 } // namespace remoting | |
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