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      1 /*
      2  * libjingle
      3  * Copyright 2004--2011, 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_BASE_TESTECHOSERVER_H_
     29 #define TALK_BASE_TESTECHOSERVER_H_
     30 
     31 #include <list>
     32 #include "talk/base/asynctcpsocket.h"
     33 #include "talk/base/socketaddress.h"
     34 #include "talk/base/sigslot.h"
     35 #include "talk/base/thread.h"
     36 
     37 namespace talk_base {
     38 
     39 // A test echo server, echoes back any packets sent to it.
     40 // Useful for unit tests.
     41 class TestEchoServer : public sigslot::has_slots<> {
     42  public:
     43   TestEchoServer(Thread* thread, const SocketAddress& addr)
     44       : server_socket_(thread->socketserver()->CreateAsyncSocket(addr.family(),
     45                                                                  SOCK_STREAM)) {
     46     server_socket_->Bind(addr);
     47     server_socket_->Listen(5);
     48     server_socket_->SignalReadEvent.connect(this, &TestEchoServer::OnAccept);
     49   }
     50   ~TestEchoServer() {
     51     for (ClientList::iterator it = client_sockets_.begin();
     52          it != client_sockets_.end(); ++it) {
     53       delete *it;
     54     }
     55   }
     56 
     57   SocketAddress address() const { return server_socket_->GetLocalAddress(); }
     58 
     59  private:
     60   void OnAccept(AsyncSocket* socket) {
     61     AsyncSocket* raw_socket = socket->Accept(NULL);
     62     if (raw_socket) {
     63       AsyncTCPSocket* packet_socket = new AsyncTCPSocket(raw_socket, false);
     64       packet_socket->SignalReadPacket.connect(this, &TestEchoServer::OnPacket);
     65       packet_socket->SignalClose.connect(this, &TestEchoServer::OnClose);
     66       client_sockets_.push_back(packet_socket);
     67     }
     68   }
     69   void OnPacket(AsyncPacketSocket* socket, const char* buf, size_t size,
     70                 const SocketAddress& remote_addr,
     71                 const PacketTime& packet_time) {
     72     talk_base::PacketOptions options;
     73     socket->Send(buf, size, options);
     74   }
     75   void OnClose(AsyncPacketSocket* socket, int err) {
     76     ClientList::iterator it =
     77         std::find(client_sockets_.begin(), client_sockets_.end(), socket);
     78     client_sockets_.erase(it);
     79     Thread::Current()->Dispose(socket);
     80   }
     81 
     82   typedef std::list<AsyncTCPSocket*> ClientList;
     83   scoped_ptr<AsyncSocket> server_socket_;
     84   ClientList client_sockets_;
     85   DISALLOW_EVIL_CONSTRUCTORS(TestEchoServer);
     86 };
     87 
     88 }  // namespace talk_base
     89 
     90 #endif  // TALK_BASE_TESTECHOSERVER_H_
     91