udpclient

I have a thread which sits around waiting for UDP messages from multiple interfaces using UdpClient::BeginReceive and a callback which calls UdpClient::EndReceive to pick up the data and pass it on. If after 5 seconds I don't get anything, I return from the function which calls UdpClient::BeginReceive so that the process can be cancelled and to issue another broadcast which would trigger external clients to send in UDP responses. If we're not cancelling, I call the UdpClient::BeginReceive function again to check for new data. If the client hasn't received any data in time, is there a way to

I've come across a curious issue I can't seem to debug. My application received packets from a device sending UDP packets over a specific port. After setting up the UDP listener, a while loop triggers the Receive command periodically. I should be receiving 400 values at every given time interval and I've even set a process to make sure these values are coming through. Below is a snippet of the relevant code: public UdpClient listener; IPEndPoint groupEP = new IPEndPoint(IPAddress.Any, listenPort); //where listenPort is an int holding the port values should be received from listener

In my WPF 4.0 application, I have a UDP listener implemented as shown below. On my Windows 7 PC, I'm running both server and client on localhost . Each received datagram is a scanline of a larger bitmap, so after all scanlines have been received the bitmap is shown on the UI thread. This seems to work. However, occasionally some 1-50% scanlines are missing. I would expect this on a weak network connection, but not when run locally. What may cause UDP package loss with the following piece of code? IPEndPoint endPoint = new IPEndPoint(IPAddress.Any, PORT); udpClient = new UdpClient(endPoint);

I wanted to send UdpPacket to a specific remote host (I already know the public IP and Port). I wanted to use C#'s UdpClient class. static int Main() { UdpClient client = new UdpClient(); IPEndPoint remoteEP = new IPEndPoint(IPAddress.Parse("1.2.3.4"), 9999); byte[] data = GetData(); client.Send(data, data.Length, remoteEP); } When sending a packet, the UdpClient choose an available port automatically. I want to manually set the port, from which I send the packets. Thanks for your help in advance! Try specifying the endpoint when you create the UdpClient : UdpClient client = new UdpClient

I've the following code to read multicast message coming from the network, for a specified IP+Port private static void ReceiveMessages(int port, string ip, CancellationToken token) { Task.Factory.StartNew(() => { using (var mUdpClientReceiver = new UdpClient()) { var mReceivingEndPoint = new IPEndPoint(IPAddress.Any, port); mUdpClientReceiver.ExclusiveAddressUse = false; mUdpClientReceiver.Client.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true); mUdpClientReceiver.ExclusiveAddressUse = false; mUdpClientReceiver.Client.Bind(mReceivingEndPoint); mUdpClientReceiver

I tried the suggestion from this question with very little success. Please... any help will be greatly appreciated! Here is my code: static void Main(string[] args) { IPEndPoint localpt = new IPEndPoint(IPAddress.Any, 6000); UdpClient udpServer = new UdpClient(localpt); udpServer.Client.SetSocketOption( SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true); UdpClient udpServer2 = new UdpClient(); udpServer2.Client.SetSocketOption( SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true); udpServer2.Client.Bind(localpt); // <<---------- Exception here } You have to set the socket

I was looking for the best solution to receive and process messages via UdpClient class in C# . Does anyone have any solutions for this? Hossein Mobasher Try this code : //Client uses as receive udp client UdpClient Client = new UdpClient(Port); try { Client.BeginReceive(new AsyncCallback(recv), null); } catch(Exception e) { MessageBox.Show(e.ToString()); } //CallBack private void recv(IAsyncResult res) { IPEndPoint RemoteIpEndPoint = new IPEndPoint(IPAddress.Any, 8000); byte[] received = Client.EndReceive(res, ref RemoteIpEndPoint); //Process codes MessageBox.Show(Encoding.UTF8.GetString