1/*
2 * libjingle
3 * Copyright 2008 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_P2P_BASE_TESTRELAYSERVER_H_
29#define TALK_P2P_BASE_TESTRELAYSERVER_H_
30
31#include "talk/p2p/base/relayserver.h"
32#include "webrtc/base/asynctcpsocket.h"
33#include "webrtc/base/scoped_ptr.h"
34#include "webrtc/base/sigslot.h"
35#include "webrtc/base/socketadapters.h"
36#include "webrtc/base/thread.h"
37
38namespace cricket {
39
40// A test relay server. Useful for unit tests.
41class TestRelayServer : public sigslot::has_slots<> {
42 public:
43  TestRelayServer(rtc::Thread* thread,
44                  const rtc::SocketAddress& udp_int_addr,
45                  const rtc::SocketAddress& udp_ext_addr,
46                  const rtc::SocketAddress& tcp_int_addr,
47                  const rtc::SocketAddress& tcp_ext_addr,
48                  const rtc::SocketAddress& ssl_int_addr,
49                  const rtc::SocketAddress& ssl_ext_addr)
50      : server_(thread) {
51    server_.AddInternalSocket(rtc::AsyncUDPSocket::Create(
52        thread->socketserver(), udp_int_addr));
53    server_.AddExternalSocket(rtc::AsyncUDPSocket::Create(
54        thread->socketserver(), udp_ext_addr));
55
56    tcp_int_socket_.reset(CreateListenSocket(thread, tcp_int_addr));
57    tcp_ext_socket_.reset(CreateListenSocket(thread, tcp_ext_addr));
58    ssl_int_socket_.reset(CreateListenSocket(thread, ssl_int_addr));
59    ssl_ext_socket_.reset(CreateListenSocket(thread, ssl_ext_addr));
60  }
61  int GetConnectionCount() const {
62    return server_.GetConnectionCount();
63  }
64  rtc::SocketAddressPair GetConnection(int connection) const {
65    return server_.GetConnection(connection);
66  }
67  bool HasConnection(const rtc::SocketAddress& address) const {
68    return server_.HasConnection(address);
69  }
70
71 private:
72  rtc::AsyncSocket* CreateListenSocket(rtc::Thread* thread,
73      const rtc::SocketAddress& addr) {
74    rtc::AsyncSocket* socket =
75        thread->socketserver()->CreateAsyncSocket(addr.family(), SOCK_STREAM);
76    socket->Bind(addr);
77    socket->Listen(5);
78    socket->SignalReadEvent.connect(this, &TestRelayServer::OnAccept);
79    return socket;
80  }
81  void OnAccept(rtc::AsyncSocket* socket) {
82    bool external = (socket == tcp_ext_socket_.get() ||
83                     socket == ssl_ext_socket_.get());
84    bool ssl = (socket == ssl_int_socket_.get() ||
85                socket == ssl_ext_socket_.get());
86    rtc::AsyncSocket* raw_socket = socket->Accept(NULL);
87    if (raw_socket) {
88      rtc::AsyncTCPSocket* packet_socket = new rtc::AsyncTCPSocket(
89          (!ssl) ? raw_socket :
90          new rtc::AsyncSSLServerSocket(raw_socket), false);
91      if (!external) {
92        packet_socket->SignalClose.connect(this,
93            &TestRelayServer::OnInternalClose);
94        server_.AddInternalSocket(packet_socket);
95      } else {
96        packet_socket->SignalClose.connect(this,
97            &TestRelayServer::OnExternalClose);
98        server_.AddExternalSocket(packet_socket);
99      }
100    }
101  }
102  void OnInternalClose(rtc::AsyncPacketSocket* socket, int error) {
103    server_.RemoveInternalSocket(socket);
104  }
105  void OnExternalClose(rtc::AsyncPacketSocket* socket, int error) {
106    server_.RemoveExternalSocket(socket);
107  }
108 private:
109  cricket::RelayServer server_;
110  rtc::scoped_ptr<rtc::AsyncSocket> tcp_int_socket_;
111  rtc::scoped_ptr<rtc::AsyncSocket> tcp_ext_socket_;
112  rtc::scoped_ptr<rtc::AsyncSocket> ssl_int_socket_;
113  rtc::scoped_ptr<rtc::AsyncSocket> ssl_ext_socket_;
114};
115
116}  // namespace cricket
117
118#endif  // TALK_P2P_BASE_TESTRELAYSERVER_H_
119