1/*
2 *  Copyright 2004 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_BASE_TESTECHOSERVER_H_
12#define WEBRTC_BASE_TESTECHOSERVER_H_
13
14#include <list>
15#include "webrtc/base/asynctcpsocket.h"
16#include "webrtc/base/socketaddress.h"
17#include "webrtc/base/sigslot.h"
18#include "webrtc/base/thread.h"
19
20namespace rtc {
21
22// A test echo server, echoes back any packets sent to it.
23// Useful for unit tests.
24class TestEchoServer : public sigslot::has_slots<> {
25 public:
26  TestEchoServer(Thread* thread, const SocketAddress& addr)
27      : server_socket_(thread->socketserver()->CreateAsyncSocket(addr.family(),
28                                                                 SOCK_STREAM)) {
29    server_socket_->Bind(addr);
30    server_socket_->Listen(5);
31    server_socket_->SignalReadEvent.connect(this, &TestEchoServer::OnAccept);
32  }
33  ~TestEchoServer() {
34    for (ClientList::iterator it = client_sockets_.begin();
35         it != client_sockets_.end(); ++it) {
36      delete *it;
37    }
38  }
39
40  SocketAddress address() const { return server_socket_->GetLocalAddress(); }
41
42 private:
43  void OnAccept(AsyncSocket* socket) {
44    AsyncSocket* raw_socket = socket->Accept(NULL);
45    if (raw_socket) {
46      AsyncTCPSocket* packet_socket = new AsyncTCPSocket(raw_socket, false);
47      packet_socket->SignalReadPacket.connect(this, &TestEchoServer::OnPacket);
48      packet_socket->SignalClose.connect(this, &TestEchoServer::OnClose);
49      client_sockets_.push_back(packet_socket);
50    }
51  }
52  void OnPacket(AsyncPacketSocket* socket, const char* buf, size_t size,
53                const SocketAddress& remote_addr,
54                const PacketTime& packet_time) {
55    rtc::PacketOptions options;
56    socket->Send(buf, size, options);
57  }
58  void OnClose(AsyncPacketSocket* socket, int err) {
59    ClientList::iterator it =
60        std::find(client_sockets_.begin(), client_sockets_.end(), socket);
61    client_sockets_.erase(it);
62    Thread::Current()->Dispose(socket);
63  }
64
65  typedef std::list<AsyncTCPSocket*> ClientList;
66  scoped_ptr<AsyncSocket> server_socket_;
67  ClientList client_sockets_;
68  DISALLOW_EVIL_CONSTRUCTORS(TestEchoServer);
69};
70
71}  // namespace rtc
72
73#endif  // WEBRTC_BASE_TESTECHOSERVER_H_
74