69 lines
2.5 KiB
C#
69 lines
2.5 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Net;
|
|
using System.Net.Sockets;
|
|
using System.Text;
|
|
using System.Threading.Tasks;
|
|
|
|
namespace SamaPager_Server
|
|
{
|
|
internal class Server
|
|
{
|
|
internal IPAddress ListeningIp { get; set; }
|
|
internal int Port { get; set; }
|
|
internal UdpClient UdpServer { get; set; }
|
|
internal IPEndPoint ServerEndPoint { get; set; }
|
|
|
|
internal Server(IPAddress listeningIP, int port)
|
|
{
|
|
this.ListeningIp = listeningIP;
|
|
this.Port = port;
|
|
}
|
|
|
|
internal string StartServer()
|
|
{
|
|
ServerEndPoint = new IPEndPoint(this.ListeningIp, this.Port);
|
|
try
|
|
{
|
|
this.UdpServer = new UdpClient(ServerEndPoint);
|
|
return $"Listening on {ServerEndPoint}";
|
|
}
|
|
catch(Exception ex)
|
|
{
|
|
return $"Error ({ex.Message})";
|
|
}
|
|
}
|
|
|
|
internal string StartListening()
|
|
{
|
|
IPEndPoint receiveEndPoint = ServerEndPoint;
|
|
byte[] receivedBytes = UdpServer.Receive(ref receiveEndPoint);
|
|
string receivedMessage = Encoding.UTF8.GetString(receivedBytes);
|
|
byte[] bytesToSend;
|
|
switch (receivedMessage)
|
|
{
|
|
case "!getDateTime":
|
|
bytesToSend = Encoding.UTF8.GetBytes($"Hi, it's {DateTime.Now}");
|
|
this.UdpServer.Send(bytesToSend, bytesToSend.Length, receiveEndPoint);
|
|
return $"Command \"!getDateTime\" received by {receiveEndPoint}, sent local server time";
|
|
case "!getCurrentDir":
|
|
bytesToSend = Encoding.UTF8.GetBytes($"I'm working in {Environment.CurrentDirectory}");
|
|
this.UdpServer.Send(bytesToSend, bytesToSend.Length, receiveEndPoint);
|
|
return $"Command \"!getCurrentDir\" received by {receiveEndPoint}, sent server working directory";
|
|
case "!getCurrentUser":
|
|
bytesToSend = Encoding.UTF8.GetBytes($"Hi, I'm running as {Environment.UserName}");
|
|
this.UdpServer.Send(bytesToSend, bytesToSend.Length, receiveEndPoint);
|
|
return $"Command \"!getCurrentUser\" received by {receiveEndPoint}, sent the username the server is running on";
|
|
default:
|
|
return $"[{DateTime.Now}] {receiveEndPoint}: {receivedMessage}";
|
|
}
|
|
}
|
|
|
|
internal void KillServer()
|
|
{
|
|
this.UdpServer.Close();
|
|
}
|
|
}
|
|
}
|