83 lines
2.6 KiB
C#
83 lines
2.6 KiB
C#
using System;
|
|
using System.Net;
|
|
using System.Net.Sockets;
|
|
using System.Text;
|
|
|
|
public class SynchronousSocketClient
|
|
{
|
|
|
|
public static void StartClient()
|
|
{
|
|
// Data buffer for incoming data.
|
|
byte[] bytes = new byte[512];
|
|
|
|
// Connect to a remote device.
|
|
try
|
|
{
|
|
// Establish the remote endpoint for the socket.
|
|
// This example uses port 5000 on the local computer.
|
|
IPHostEntry ipHostInfo = Dns.GetHostEntry(Dns.GetHostName());
|
|
IPAddress ipAddress = IPAddress.Parse("192.168.0.109");
|
|
IPEndPoint remoteEP = new IPEndPoint(ipAddress, 5000);
|
|
|
|
// Create a TCP/IP socket.
|
|
Socket sender = new Socket(ipAddress.AddressFamily,
|
|
SocketType.Dgram, ProtocolType.Udp);
|
|
|
|
// Connect the socket to the remote endpoint. Catch any errors.
|
|
try
|
|
{
|
|
//sender.Connect(remoteEP);
|
|
|
|
//Console.WriteLine("Socket connected to {0}",
|
|
// sender.RemoteEndPoint.ToString());
|
|
|
|
// Encode the data string into a byte array.
|
|
byte[] msg = Encoding.ASCII.GetBytes("This is a test<EOF>");
|
|
|
|
// Send the data through the socket.
|
|
int bytesSent = sender.SendTo(msg, remoteEP);
|
|
|
|
// Creates an IPEndPoint to capture the identity of the sending host.
|
|
IPEndPoint sendingEndpoint = new IPEndPoint(IPAddress.Any, 0);
|
|
EndPoint senderRemote = (EndPoint)sendingEndpoint;
|
|
|
|
// Receive the response from the remote device.
|
|
while(true)
|
|
{
|
|
int bytesRec = sender.ReceiveFrom(bytes, ref senderRemote);
|
|
Console.WriteLine("Echoed test = {0}", Encoding.ASCII.GetString(bytes, 0, bytesRec));
|
|
}
|
|
|
|
// Release the socket.
|
|
sender.Shutdown(SocketShutdown.Both);
|
|
sender.Close();
|
|
|
|
}
|
|
catch (ArgumentNullException ane)
|
|
{
|
|
Console.WriteLine("ArgumentNullException : {0}", ane.ToString());
|
|
}
|
|
catch (SocketException se)
|
|
{
|
|
Console.WriteLine("SocketException : {0}", se.ToString());
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
Console.WriteLine("Unexpected exception : {0}", e.ToString());
|
|
}
|
|
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
Console.WriteLine(e.ToString());
|
|
}
|
|
}
|
|
|
|
public static int Main(String[] args)
|
|
{
|
|
StartClient();
|
|
return 0;
|
|
}
|
|
}
|