public void SendMessage(string json)
{
MulticastMessageEventArgs ev = new MulticastMessageEventArgs();
ev.JsonString = json;
ev.IncomingInterface = this.incomingInterface;
this.HandleMessage(this, ev);
}
public MulticastMessageReceiver(IPAddress address, int port)
{
this.multicastIP = address;
this.interfaceMap = new Dictionary <int, NetworkInterface>();
this.multicastInterfaces = new List <IPAddress>();
this.socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
this.eventArgs = new MulticastMessageEventArgs();
try
{
this.socket.ReceiveBufferSize = 128000;
IPEndPoint ipep = new IPEndPoint(IPAddress.Any, port);
this.socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, 1);
this.socket.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.PacketInformation, true);
this.socket.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.MulticastLoopback, 0);
this.socket.Bind(ipep);
this.receiveBuffer = new byte[65536];
IPEndPoint sender = new IPEndPoint(IPAddress.Any, 0);
this.endPoint = (EndPoint)sender;
NetworkChange.NetworkAddressChanged += new NetworkAddressChangedEventHandler(this.AddressChangedCallback);
this.AddMulticastMembership();
this.socket.BeginReceiveMessageFrom(
this.receiveBuffer,
0,
this.receiveBuffer.Length,
SocketFlags.None,
ref this.endPoint,
new AsyncCallback(this.MessageComplete),
null);
}
catch
{
this.socket.Dispose();
throw;
}
}