/// <summary>Enumerates the auto discoverable servers on the network using the specified data on the specified port.</summary>
/// <param name="port">The port the server will use to listen for auto discover requests.</param>
/// <param name="data">The data the server will use to identify auto discover requests.</param>
/// <returns>An <see cref="IEnumerable{ServerInfo}"/> that includes information about the server.</returns>
public static IEnumerable <ServerInfo> Discover(int port, byte[] data)
{
IPEndPoint broadcast = new IPEndPoint(IPAddress.Broadcast, port);
UdpClient connection = new UdpClient()
{
EnableBroadcast = true
};
try
{
connection.SafeSend(data, broadcast);
byte[] responseData = connection.SafeReceive(ref broadcast);
while (responseData != null)
{
var info = Create(responseData);
if (info != null)
{
yield return(info);
}
broadcast = new IPEndPoint(IPAddress.Broadcast, port);
responseData = connection.SafeReceive(ref broadcast);
}
}
finally
{
try { connection.Close(); }
catch (Exception ex)
{
Logger.Write(LogLevel.Error, "An error occurred closing the auto-discovery connection. Error: {0}", JsonConvert.SerializeObject(ex));
}
}
}
