public static bool ScanGrainBrains()
{
bool ret = false;
var Client = new UdpClient();
var ServerEp = new IPEndPoint(IPAddress.Any, 8888);
var raw = new byte[1024];
NetworkDiscoveryRequest request = new NetworkDiscoveryRequest();
request.Name = "NETWORK-DISCOVERY-MSG";
var ms = new MemoryStream();
request.WriteTo(ms);
Client.EnableBroadcast = true;
Client.Send(ms.GetBuffer(), (int)ms.Length, new IPEndPoint(IPAddress.Broadcast, 8888));
var rawr = new byte[15000];
var AsyncResponseData = Client.BeginReceive(null, null);
int timeToWait = 1000;
AsyncResponseData.AsyncWaitHandle.WaitOne(timeToWait);
if (AsyncResponseData.IsCompleted)
{
try
{
byte[] receivedData = Client.EndReceive(AsyncResponseData, ref ServerEp);
//Receive(ref ServerEp);
var msr = new MemoryStream(receivedData);
NetworkDiscoveryReply reply = new NetworkDiscoveryReply();
reply.MergeDelimitedFrom(msr);
Console.Out.WriteLine("Grainbrain is found at {0}", ServerEp.Address);
ipAddr = ServerEp.Address;
ret = true;
// EndReceive worked and we have received data and remote endpoint
}
catch (Exception ex)
{
Console.WriteLine("Caught exception {0}", ex);
// EndReceive failed and we ended up here
}
}
else
{
// The operation wasn't completed before the timeout and we're off the hook
}
Client.Close();
if (ret)
{
updateStatus();
}
return(ret);
}
public static bool ScanGrainBrains()
{
bool ret = false;
var Client = new UdpClient();
var ServerEp = new IPEndPoint(IPAddress.Any, 8888);
var raw = new byte[1024];
NetworkDiscoveryRequest request = new NetworkDiscoveryRequest();
request.Name = "NETWORK-DISCOVERY-MSG";
var ms = new MemoryStream();
request.WriteTo(ms);
Client.EnableBroadcast = true;
Client.Send(ms.GetBuffer(), (int)ms.Length, new IPEndPoint(IPAddress.Broadcast, 8888));
var rawr = new byte[15000];
var AsyncResponseData = Client.BeginReceive(null, null);
int timeToWait = 1000;
AsyncResponseData.AsyncWaitHandle.WaitOne(timeToWait);
if (AsyncResponseData.IsCompleted)
{
try
{
byte[] receivedData = Client.EndReceive(AsyncResponseData, ref ServerEp);
//Receive(ref ServerEp);
var msr = new MemoryStream(receivedData);
NetworkDiscoveryReply reply = new NetworkDiscoveryReply();
reply.MergeDelimitedFrom(msr);
Console.Out.WriteLine("Grainbrain is found at {0}", ServerEp.Address);
ipAddr = ServerEp.Address;
ret = true;
// EndReceive worked and we have received data and remote endpoint
}
catch (Exception ex)
{
Console.WriteLine("Caught exception {0}", ex);
// EndReceive failed and we ended up here
}
}
else
{
// The operation wasn't completed before the timeout and we're off the hook
}
Client.Close();
if (ret)
updateStatus();
return ret;
}