1/*
2 *  Copyright 2010 The WebRTC Project Authors. All rights reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11#ifndef WEBRTC_P2P_CLIENT_AUTOPORTALLOCATOR_H_
12#define WEBRTC_P2P_CLIENT_AUTOPORTALLOCATOR_H_
13
14#include <string>
15#include <vector>
16
17#include "webrtc/p2p/client/httpportallocator.h"
18#include "webrtc/base/sigslot.h"
19
20// This class sets the relay and stun servers using XmppClient.
21// It enables the client to traverse Proxy and NAT.
22class AutoPortAllocator : public cricket::HttpPortAllocator {
23 public:
24  AutoPortAllocator(rtc::NetworkManager* network_manager,
25                    const std::string& user_agent)
26      : cricket::HttpPortAllocator(network_manager, user_agent) {
27  }
28
29  // Creates and initiates a task to get relay token from XmppClient and set
30  // it appropriately.
31  void SetXmppClient(buzz::XmppClient* client) {
32    // The JingleInfoTask is freed by the task-runner.
33    buzz::JingleInfoTask* jit = new buzz::JingleInfoTask(client);
34    jit->SignalJingleInfo.connect(this, &AutoPortAllocator::OnJingleInfo);
35    jit->Start();
36    jit->RefreshJingleInfoNow();
37  }
38
39 private:
40  void OnJingleInfo(
41      const std::string& token,
42      const std::vector<std::string>& relay_hosts,
43      const std::vector<rtc::SocketAddress>& stun_hosts) {
44    SetRelayToken(token);
45    SetStunHosts(stun_hosts);
46    SetRelayHosts(relay_hosts);
47  }
48};
49
50#endif  // WEBRTC_P2P_CLIENT_AUTOPORTALLOCATOR_H_
51