52 lines
1.8 KiB
C#
52 lines
1.8 KiB
C#
using System;
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using System.IO;
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using System.Net.WebSockets;
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using System.Threading;
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using System.Threading.Tasks;
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using XWorld.Framework.Protocol;
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namespace XWorld.Server.Gateway.Tests
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{
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// 集成测试用 WS 客户端:连接、发帧、带超时收一帧并解码
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internal sealed class WsTestClient : IDisposable
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{
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private readonly ClientWebSocket _ws = new ClientWebSocket();
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public async Task ConnectAsync(string wsBaseUrl, int pid)
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{
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await _ws.ConnectAsync(new Uri($"{wsBaseUrl}/ws?pid={pid}"), CancellationToken.None);
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}
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public async Task SendFrameAsync(Frame frame)
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{
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byte[] bytes = FrameCodec.Encode(frame);
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await _ws.SendAsync(new ArraySegment<byte>(bytes), WebSocketMessageType.Binary, true, CancellationToken.None);
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}
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// 在 timeout 内收一条 WS 消息并解码为 Frame;超时抛 TimeoutException
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public async Task<Frame> ReceiveFrameAsync(int timeoutMs = 5000)
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{
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using var cts = new CancellationTokenSource(timeoutMs);
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var buf = new byte[8192];
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using var ms = new MemoryStream();
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WebSocketReceiveResult res;
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do
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{
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res = await _ws.ReceiveAsync(new ArraySegment<byte>(buf), cts.Token);
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if (res.MessageType == WebSocketMessageType.Close)
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throw new InvalidOperationException("server closed");
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ms.Write(buf, 0, res.Count);
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} while (!res.EndOfMessage);
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return FrameCodec.Decode(ms.ToArray());
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}
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public async Task CloseAsync()
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{
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try { await _ws.CloseAsync(WebSocketCloseStatus.NormalClosure, "bye", CancellationToken.None); }
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catch { /* 忽略 */ }
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}
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public void Dispose() => _ws.Dispose();
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}
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}
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