public static string StartListening(Int32 port, string AETitle)
{
TcpListener server = null;
try {
// Set the TcpListener on port 13000.
IPHostEntry ipHostInfo = Dns.GetHostEntry(Dns.GetHostName());
IPAddress localAddr = ipHostInfo.AddressList.SingleOrDefault(x => x.AddressFamily.Equals(AddressFamily.InterNetwork));
//IPAddress localAddr = IPAddress.Parse("127.0.0.1");
// TcpListener server = new TcpListener(port);
server = new TcpListener(localAddr, port);
// Start listening for client requests.
server.Start();
// Buffer for reading data
var buffer = new Byte[256];
String dataText = null;
// Enter the listening loop.
while (true)
{
Console.Write($"Waiting for a connection on {localAddr.ToString()}:{port}...");
// Perform a blocking call to accept requests.
// You could also user server.AcceptSocket() here.
using (TcpClient client = server.AcceptTcpClient()) {
Console.WriteLine($"Connected to {client.Client.RemoteEndPoint.ToString()}");
dataText = null;
//var echoRqFilePath = "echo_rq.dat";
//File.Create(echoRqFilePath);
//using (var logStream = new BinaryWriter(File.OpenWrite(echoRqFilePath))) {
// Get a stream object for reading and writing
using (NetworkStream stream = client.GetStream()) {
int readLen;
// Loop to receive all the data sent by the client.
while ((readLen = stream.Read(buffer, 0, buffer.Length)) != 0)
{
//logStream.Write(buffer, 0, readLen);
AssociateRequest parsedRequest = CEchoParser.ParseRequest(buffer, readLen);
//Console.WriteLine("C-Echo request received:");
//foreach (var att in parsedRequest) {
// Console.WriteLine(att.Value.ToString());
//}
// Translate data bytes to a ASCII string.
//dataText = Encoding.ASCII.GetString(buffer, 0, readLen);
//Console.WriteLine("Received: {0}", dataText);
// Process the data sent by the client.
//dataText = dataText.ToUpper();
//byte[] msg = Encoding.ASCII.GetBytes(dataText);
var responseMsg = buffer;
// Send back a response.
stream.Write(responseMsg, 0, responseMsg.Length);
Console.WriteLine("Sent: {0}", dataText);
}
//}
}
// Shutdown and end connection
client.Close();
}
}
}
catch (SocketException e) {
Console.WriteLine("SocketException: {0}", e);
}
finally {
// Stop listening for new clients.
server.Stop();
}
return("");
}