/// <summary>
/// Creates a UDP socket, listens for new radios on the network, and adds them to the RadioList
/// </summary>
public static void Init()
{
lock (init_obj) // ensure that the initialized variable is atomically set here (i.e. only let one instance through here)
if (!initialized)
{
initialized = true;
string log_enable_file = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\FlexRadio Systems\\log_discovery.txt";
_logDiscovery = File.Exists(log_enable_file);
log_enable_file = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\FlexRadio Systems\\log_disconnect.txt";
_logDisconnect = File.Exists(log_enable_file);
LogDiscovery("API::Init()");
radio_list = new List <Radio>();
_radio_list_timed = new ConcurrentDictionary <string, double>();
_radioDictionaryByIP = new ConcurrentDictionary <IPAddress, Radio>();
filter_serial = new List <string>();
ProcessFilterFile();
ProcessUDPPackets();
VitaDataReceivedCallback socket_callback = new VitaDataReceivedCallback(UDPDataReceivedCallback);
vita_socket = new VitaSocket(4991, socket_callback);
Discovery.RadioDiscovered += new RadioDiscoveredEventHandler(Discovery_RadioDiscovered);
Discovery.Start();
#if (!DEBUG)
CleanupRadioList();
#endif
}
}
public VitaSocket(int _port, VitaDataReceivedCallback _callback)
{
bool done = false;
port = _port;
callback = _callback;
while (!done)
{
try
{
socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
//socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
socket.ReceiveBufferSize = 150000 * 5;
socket.Bind(new IPEndPoint(IPAddress.Any, port));
done = true;
}
catch (SocketException ex) // if we get here, it is likely because the port is already open
{
port++; // lets increment the port and try again
if (port > 5010)
{
throw new SocketException(ex.ErrorCode);
}
}
}
// beging looking for UDP packets immediately
StartReceive();
}
