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150 lines
5.2 KiB
C#
150 lines
5.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Net;
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using System.Text;
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using System.Threading;
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using System.Timers;
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using Newtonsoft.Json;
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using Newtonsoft.Json.Linq;
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using CncSimulator.Config;
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using CncSimulator.Device;
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using CncSimulator.Generator;
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using CncSimulator.Core;
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namespace CncSimulator.Core
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{
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/// <summary>单个地址的 HTTP 服务器及设备仿真集合</summary>
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public class SimulatorServer
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{
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public AddressConfig Address { get; private set; }
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public List<DeviceSimulator> Devices { get; private set; }
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private readonly FanucDataGenerator _generator = new FanucDataGenerator();
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private readonly LogRecorder _logRecorder = new LogRecorder();
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private HttpListener _http;
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private Timer _tickTimer;
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public bool IsRunning { get; private set; } = false;
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public int RequestCount { get; private set; } = 0;
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public int TotalDeviceCount => Devices?.Count ?? 0;
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public int OnlineDeviceCount => Devices?.Count(d => d.State?.IsOnline == true) ?? 0;
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public DateTime StartTime { get; private set; }
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public SimulatorServer(AddressConfig address, List<DeviceSimulator> devices)
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{
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Address = address;
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Devices = devices ?? new List<DeviceSimulator>();
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}
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public void Start()
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{
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if (IsRunning) return;
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_http = new HttpListener();
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_http.Prefixes.Add($"http://+:{Address.Port}/");
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_http.Start();
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StartTime = DateTime.Now;
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// 每个地址用一个定时器驱动数据变化
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_tickTimer = new Timer(Address.DataChangeInterval * 1000);
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_tickTimer.Elapsed += (s, e) => TickDevices();
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_tickTimer.Start();
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// 简化的请求循环（阻塞模式）
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var t = new Thread(HandleRequests) { IsBackground = true };
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t.Start();
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IsRunning = true;
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}
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public void Stop()
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{
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if (!IsRunning) return;
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_tickTimer?.Stop();
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_http?.Close();
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IsRunning = false;
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}
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private void TickDevices()
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{
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foreach (var d in Devices)
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{
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d.Tick();
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}
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}
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private void HandleRequests()
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{
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while (_http != null && _http.IsListening)
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{
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try
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{
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var ctx = _http.GetContext();
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ProcessContext(ctx);
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}
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catch (Exception)
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{
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// 忽略单次请求异常，继续监听
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}
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}
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}
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private void ProcessContext(HttpListenerContext ctx)
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{
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RequestCount++;
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var req = ctx.Request;
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var resp = ctx.Response;
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resp.ContentType = "application/json";
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string path = req.Url.AbsolutePath.ToLower();
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if (path == "/" || path == "/data")
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{
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// 生成当前设备数据集合
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var sw = new System.Diagnostics.Stopwatch();
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sw.Start();
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var list = new List<JObject>();
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foreach (var d in Devices)
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{
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var json = _generator.GenerateDevice(d.State);
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if (json != null) list.Add(json);
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}
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var final = new JObject { ["devices"] = new JArray(list) };
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var payload = final.ToString();
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sw.Stop();
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_logRecorder.Record(Devices.Count, string.Join(" ", Devices.Select(v => v.State?.DeviceCode ?? "")), payload, sw.ElapsedMilliseconds);
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WriteResponse(resp, payload);
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}
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else if (path.StartsWith("/admin"))
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{
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string html = "<html><body><h2>管理界面开发中</h2></body></html>";
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WriteResponse(resp, html, contentType: "text/html");
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}
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else if (path == "/admin/api/logs")
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{
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var logs = _logRecorder.GetRecentLogs(50);
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var arr = new JArray();
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foreach (var l in logs)
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{
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arr.Add(new JObject
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{
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["timestamp"] = l.Timestamp.ToString("yyyy-MM-dd HH:mm:ss"),
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["deviceCount"] = l.DeviceCount,
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["keyData"] = l.KeyData,
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["durationMs"] = l.DurationMs
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});
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}
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var payload = arr.ToString();
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WriteResponse(resp, payload);
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}
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else
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{
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WriteResponse(resp, "{}", contentType: "application/json");
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}
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resp.Close();
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}
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private void WriteResponse(HttpListenerResponse resp, string content, string contentType = "application/json")
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{
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var buffer = System.Text.Encoding.UTF8.GetBytes(content);
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resp.ContentType = contentType;
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resp.ContentLength64 = buffer.Length;
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resp.OutputStream.Write(buffer, 0, buffer.Length);
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}
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}
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}
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