1/*
2 * libjingle
3 * Copyright 2010, Google Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 *  1. Redistributions of source code must retain the above copyright notice,
9 *     this list of conditions and the following disclaimer.
10 *  2. Redistributions in binary form must reproduce the above copyright notice,
11 *     this list of conditions and the following disclaimer in the documentation
12 *     and/or other materials provided with the distribution.
13 *  3. The name of the author may not be used to endorse or promote products
14 *     derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#ifndef TALK_EXAMPLES_LOGIN_AUTOPORTALLOCATOR_H_
29#define TALK_EXAMPLES_LOGIN_AUTOPORTALLOCATOR_H_
30
31#include <string>
32#include <vector>
33
34#include "talk/base/sigslot.h"
35#include "talk/p2p/client/httpportallocator.h"
36#include "talk/xmpp/jingleinfotask.h"
37#include "talk/xmpp/xmppclient.h"
38
39// This class sets the relay and stun servers using XmppClient.
40// It enables the client to traverse Proxy and NAT.
41class AutoPortAllocator : public cricket::HttpPortAllocator {
42 public:
43  AutoPortAllocator(talk_base::NetworkManager* network_manager,
44                    const std::string& user_agent)
45      : cricket::HttpPortAllocator(network_manager, user_agent) {
46  }
47
48  // Creates and initiates a task to get relay token from XmppClient and set
49  // it appropriately.
50  void SetXmppClient(buzz::XmppClient* client) {
51    // The JingleInfoTask is freed by the task-runner.
52    buzz::JingleInfoTask* jit = new buzz::JingleInfoTask(client);
53    jit->SignalJingleInfo.connect(this, &AutoPortAllocator::OnJingleInfo);
54    jit->Start();
55    jit->RefreshJingleInfoNow();
56  }
57
58 private:
59  void OnJingleInfo(
60      const std::string& token,
61      const std::vector<std::string>& relay_hosts,
62      const std::vector<talk_base::SocketAddress>& stun_hosts) {
63    SetRelayToken(token);
64    SetStunHosts(stun_hosts);
65    SetRelayHosts(relay_hosts);
66  }
67};
68
69#endif  // TALK_EXAMPLES_LOGIN_AUTOPORTALLOCATOR_H_
70