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      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 
     38 namespace cricket {
     39 
     40 // A test relay server. Useful for unit tests.
     41 class 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