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