127 lines
4.9 KiB
C#
127 lines
4.9 KiB
C#
using System;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.Net;
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using System.Threading.Tasks;
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using Mistox.ResevedPackets;
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namespace Mistox.Server {
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public class MistoxServer {
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public string ServerName { get; private set; } = ""; // The name of the server
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public int MaxClients { get; set; } = 10; // The max players per server
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public float ConnectionRange { get; set; } = 40; // InGame distance for valid conections
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public string ConnectionKey { get; set; } = ""; // The connection key for the server
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public int ConnectionTimeoutSeconds { get; set; } = 10; // If no reply in time kill the connection
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public bool Alive { get; set; } = true; // Is the server running
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public ConcurrentDictionary<string, ServerConnection> Connections; // All the active connections. key is username
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private readonly ServerListener Listener; // The Connection Listener singleton
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public MistoxServer(IPEndPoint ListenerAddress, string serverName) {
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Connections = new ConcurrentDictionary<string, ServerConnection>();
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ServerName = serverName;
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Listener = new ServerListener(ListenerAddress, this);
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Console.WriteLine( "The Server is initilized and waiting for clients to connect at port : " + ListenerAddress.Port );
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}
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async Task RunAsync(Func<Task> work) {
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try{
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await work();
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} catch (Exception ex) {
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Console.WriteLine($"Error during background packet processing: {ex.Message}");
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}
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}
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/////////////////////////////
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// Heartbeat
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/////////////////////////////
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async Task BuildServerList(ServerConnection user, HeartbeatPacket packet) {
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packet.ServerList = new List<UserTableObject>();
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foreach( ServerConnection cur in Connections.Values) {
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packet.ServerList.Add( new UserTableObject() {
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UserName = cur.UserName,
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Position = cur.Position,
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IpAddress = cur.getRemote()
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} );
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}
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await user.Send( packet );
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}
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/////////////////////////////
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// Auth
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/////////////////////////////
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async Task ProcessAuthRequest(ServerConnection user, UserAuthPacket packet) {
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packet.ServerName = ServerName;
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if (packet.ConnectionKey == ConnectionKey) {
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packet.AuthSuccessful = 1;
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Connections.TryRemove(user.UserName, out _);
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user.UserName = packet.UserName;
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Connections[packet.UserName] = user;
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user.IsAuthenticated = true;
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InvokeUserConnected(user);
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} else {
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packet.AuthSuccessful = -1;
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}
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await user.Send(packet);
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}
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/////////////////////////////
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// Events
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/////////////////////////////
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public event Action<ServerConnection> onUserConnected;
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public void InvokeUserConnected( ServerConnection user ){
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Connections[user.UserName] = user;
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onUserConnected?.Invoke( user );
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}
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public event Action<ServerConnection, object> onDataReceived;
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public void InvokeDataReceived( ServerConnection user, dynamic data ){
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switch (data) {
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case UserAuthPacket packet when !user.IsAuthenticated:
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_ = RunAsync(async () => {
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await ProcessAuthRequest(user, packet);
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});
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break;
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case HeartbeatPacket packet when user.IsAuthenticated:
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user.Position = packet.Position;
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_ = RunAsync(async () => {
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await BuildServerList(user, packet);
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});
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break;
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case null:
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Console.WriteLine("Received a null packet.");
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break;
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default:
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onDataReceived?.Invoke(user, data);
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break;
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}
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}
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public event Action<ServerConnection> onUserDisconnected;
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public void InvokeUserDisconnected( ServerConnection user ){
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Connections.Remove(user.UserName, out _);
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onUserDisconnected?.Invoke( user );
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}
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/////////////////////////////
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// Send Methods
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/////////////////////////////
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public async Task SendAllClients<Packet>(Packet data) {
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foreach( ServerConnection cur in Connections.Values ) {
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await cur.Send(data);
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}
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}
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public async Task SendClient<Packet>(string UserName, Packet data) {
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await Connections[UserName].Send( data );
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}
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}
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}
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