remote/source/discovery.cpp

   1 #include "discovery.h"
   2
   3 Discovery::Discovery():
   4         broadcast_addr("ff02::1"),
   5         port(34588)
   6 {
   7         socket.bind(QHostAddress::AnyIPv6);
   8         connect(&socket, &QIODevice::readyRead, this, &Discovery::datagram_available);
   9
  10         connect(&timer, &QTimer::timeout, this, &Discovery::send_beacon);
  11         timer.setInterval(5000);
  12 }
  13
  14 void Discovery::start()
  15 {
  16         timer.start();
  17         send_beacon();
  18 }
  19
  20 void Discovery::stop()
  21 {
  22         timer.stop();
  23 }
  24
  25 void Discovery::send_beacon()
  26 {
  27         socket.writeDatagram("xinema", 6, broadcast_addr, port);
  28 }
  29
  30 void Discovery::datagram_available()
  31 {
  32         char rbuf[1024];
  33         QHostAddress peer_addr;
  34         socket.readDatagram(rbuf, sizeof(rbuf), &peer_addr, 0);
  35
  36         emit server_discovered(peer_addr);
  37 }