Fawkes API  Fawkes Development Version
qa_peer.cpp
1 
2 /***************************************************************************
3  * qa_peer.cpp - protobuf_comm broadcast peer test program
4  *
5  * Created: Mon Feb 04 18:25:41 2013
6  * Copyright 2013 Tim Niemueller [www.niemueller.de]
7  *
8  ****************************************************************************/
9 
10 /* Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  *
14  * - Redistributions of source code must retain the above copyright
15  * notice, this list of conditions and the following disclaimer.
16  * - Redistributions in binary form must reproduce the above copyright
17  * notice, this list of conditions and the following disclaimer in
18  * the documentation and/or other materials provided with the
19  * distribution.
20  * - Neither the name of the authors nor the names of its contributors
21  * may be used to endorse or promote products derived from this
22  * software without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
27  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
28  * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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30  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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37 
38 #include <protobuf_comm/peer.h>
39 
40 #include <boost/asio.hpp>
41 #include <boost/lexical_cast.hpp>
42 #include <msgs/Person.pb.h>
43 
44 using namespace protobuf_comm;
45 using namespace llsf_msgs;
46 
47 /// @cond QA
48 
49 static bool quit = false;
51 
52 void
53 signal_handler(const boost::system::error_code& error, int signum)
54 {
55  if (!error) {
56  quit = true;
57  }
58 }
59 
60 
61 void
62 handle_error(const boost::system::error_code &error)
63 {
64  printf("Error: %s\n", error.message().c_str());
65 }
66 
67 void
68 handle_message(boost::asio::ip::udp::endpoint &sender,
69  uint16_t component_id, uint16_t msg_type,
70  std::shared_ptr<google::protobuf::Message> msg)
71 {
72  printf("Received message of type %u from %s\n", msg_type,
73  sender.address().to_string().c_str());
74  std::shared_ptr<Person> p;
75  if ((p = std::dynamic_pointer_cast<Person>(msg))) {
76  printf("Person %i: %s <%s>\n", p->id(), p->name().c_str(), p->email().c_str());
77  }
78 
79  //server.send(client, component_id, msg_type, *p);
80 }
81 
82 int
83 main(int argc, char **argv)
84 {
85  unsigned short send_to_port = 1234;
86  unsigned short recv_on_port = 1234;
87  if (argc >= 3) {
88  send_to_port = boost::lexical_cast<unsigned short>(argv[1]);
89  recv_on_port = boost::lexical_cast<unsigned short>(argv[2]);
90  }
91  peer = new ProtobufBroadcastPeer("192.168.0.255", send_to_port, recv_on_port);
92 
93  boost::asio::io_service io_service;
94 
95  MessageRegister & message_register = peer->message_register();
96  message_register.add_message_type<Person>(1, 2);
97 
98  peer->signal_received().connect(handle_message);
99  peer->signal_error().connect(handle_error);
100 
101  // Construct a signal set registered for process termination.
102  boost::asio::signal_set signals(io_service, SIGINT, SIGTERM);
103 
104  // Start an asynchronous wait for one of the signals to occur.
105  signals.async_wait(signal_handler);
106 
107  if (argc >= 4) {
108  Person p;
109  p.set_id(1);
110  p.set_name("Tim Niemueller");
111  p.set_email("niemueller@kbsg.rwth-aachen.de");
112  peer->send(1, 2, p);
113  }
114 
115  do {
116  io_service.run();
117  io_service.reset();
118  } while (! quit);
119 
120  delete peer;
121 
122  // Delete all global objects allocated by libprotobuf
123  google::protobuf::ShutdownProtobufLibrary();
124 }
125 
126 /// @endcond
Register to map msg type numbers to Protobuf messages.
Communicate by broadcasting protobuf messages.
Definition: peer.h:60
void add_message_type(std::string msg_type)
Add a message type from generated pool.