完成阶段 4

2026-03-27 08:04:25 +08:00
parent f053c9ad0d
commit ff9ee1291f
47 changed files with 2481 additions and 460 deletions
@@ -1,158 +0,0 @@
-using System;
-using System.Collections.Concurrent;
-using System.Net;
-using System.Net.Sockets;
-using System.Threading.Tasks;
-
-namespace Network.NetworkTransport
-{
-    public class ReliableUdpTransport : ITransport
-    {
-        private readonly UdpClient _client;
-        private readonly IPEndPoint _defaultRemoteEndPoint;
-        private readonly bool _isServer;
-
-        // Stage one keeps this class name for compatibility while collapsing it to plain UDP.
-        private readonly ConcurrentDictionary<string, IPEndPoint> _knownRemoteEndPoints = new();
-
-        private volatile bool _isRunning;
-
-        public event Action<byte[], IPEndPoint> OnReceive;
-
-        private Task _receiveTask = Task.CompletedTask;
-
-        public ReliableUdpTransport(int listenPort)
-        {
-            _client = new UdpClient(listenPort);
-            _isServer = true;
-            Console.WriteLine($"[Transport] 服务端模式，监听端口: {listenPort}");
-        }
-
-        public ReliableUdpTransport(string serverIP, int serverPort)
-        {
-            _client = new UdpClient(0);
-            _defaultRemoteEndPoint = new IPEndPoint(IPAddress.Parse(serverIP), serverPort);
-            _isServer = false;
-            Console.WriteLine($"[Transport] 客户端模式，目标: {_defaultRemoteEndPoint}");
-        }
-
-        public async Task StartAsync()
-        {
-            if (_isRunning)
-            {
-                return;
-            }
-
-            _knownRemoteEndPoints.Clear();
-            _isRunning = true;
-            Console.WriteLine("[Transport] 传输层启动");
-            _receiveTask = ReceiveLoop();
-            await Task.Yield();
-        }
-
-        public void Stop()
-        {
-            if (!_isRunning)
-            {
-                return;
-            }
-
-            _isRunning = false;
-            _client.Close();
-            _knownRemoteEndPoints.Clear();
-            Console.WriteLine("[Transport] 传输层停止");
-        }
-
-        public void Send(byte[] data)
-        {
-            if (_defaultRemoteEndPoint == null)
-            {
-                throw new InvalidOperationException("Default remote endpoint is not configured.");
-            }
-
-            SendTo(data, _defaultRemoteEndPoint);
-        }
-
-        public void SendTo(byte[] data, IPEndPoint target)
-        {
-            if (data == null)
-            {
-                throw new ArgumentNullException(nameof(data));
-            }
-
-            if (target == null)
-            {
-                throw new ArgumentNullException(nameof(target));
-            }
-
-            EnsureRunning();
-            RememberRemote(target);
-            _client.Send(data, data.Length, target);
-            Console.WriteLine($"[Transport] 发送数据到 {target}");
-        }
-
-        public void SendToAll(byte[] data)
-        {
-            if (data == null)
-            {
-                throw new ArgumentNullException(nameof(data));
-            }
-
-            EnsureRunning();
-
-            if (!_isServer)
-            {
-                throw new InvalidOperationException("SendToAll is only supported in server mode.");
-            }
-
-            foreach (var remoteEndPoint in _knownRemoteEndPoints.Values)
-            {
-                _client.Send(data, data.Length, remoteEndPoint);
-                Console.WriteLine($"[Transport] 广播数据到 {remoteEndPoint}");
-            }
-        }
-
-        private async Task ReceiveLoop()
-        {
-            while (_isRunning)
-            {
-                try
-                {
-                    var result = await _client.ReceiveAsync();
-                    RememberRemote(result.RemoteEndPoint);
-                    OnReceive?.Invoke(result.Buffer, result.RemoteEndPoint);
-                }
-                catch (ObjectDisposedException) when (!_isRunning)
-                {
-                    return;
-                }
-                catch (SocketException) when (!_isRunning)
-                {
-                    return;
-                }
-                catch (Exception e)
-                {
-                    Console.WriteLine($"[Transport] 接收错误：{e.Message}");
-                }
-            }
-        }
-
-        private void EnsureRunning()
-        {
-            if (!_isRunning)
-            {
-                throw new InvalidOperationException("Transport has not been started.");
-            }
-        }
-
-        private void RememberRemote(IPEndPoint remoteEndPoint)
-        {
-            if (remoteEndPoint == null)
-            {
-                return;
-            }
-
-            _knownRemoteEndPoints[remoteEndPoint.ToString()] = remoteEndPoint;
-        }
-    }
-}
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