新增 Mjpegplayer 用来播放 Web 流

SHH.MjpegPlayer/Bootstrapper.cs

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+using Ayay.SerilogLogs;
+using CoreWCF;
+using CoreWCF.Configuration;
+using CoreWCF.Description;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.Extensions.DependencyInjection;
+using Player.MJPEG;
+using Serilog;
+using System.Diagnostics;
+using System.Net;
+
+namespace SHH.MjpegPlayer
+{
+    public static class Bootstrapper
+    {
+        private static readonly ILogger _sysLog = Log.ForContext("SourceContext", LogModules.Core);
+
+        #region LoadConfig
+
+        /// <summary>
+        /// 加载配置文件
+        /// </summary>
+        /// <returns></returns>
+        public static MjpegConfig LoadConfig()
+        {
+            // [修复] 路径处理脆弱性：使用 BaseDirectory 拼接，避免相对路径替换的风险
+            // 生产环境：强制使用绝对路径确保能找到配置文件
+            if (!Debugger.IsAttached)
+            {
+                JsonConfigUris.MjpegConfig = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, Path.GetFileName(JsonConfigUris.MjpegConfig));
+            }
+
+            // 加载配置文件
+            var cfg = JsonConfig.Load<MjpegConfig>(JsonConfigUris.MjpegConfig);
+            if (cfg == null)
+            {
+                cfg = new MjpegConfig();
+                JsonConfig.Save(cfg, JsonConfigUris.MjpegConfig, "MjpegServer配置项");
+                _sysLog.Warning("未找到配置文件，已生成默认配置: {Path}", JsonConfigUris.MjpegConfig);
+            }
+            MjpegStatics.Cfg = cfg;
+            return cfg;
+        }
+
+        #endregion
+
+        #region ValidateEnvironment
+
+        /// <summary>
+        /// 检查 IP  与端口
+        /// </summary>
+        public static void ValidateEnvironment()
+        {
+            var cfg = MjpegStatics.Cfg;
+
+            // IP 地址检查
+            IPAddress? ipAddress;
+            if (!IPAddress.TryParse(cfg.SvrMjpegIp, out ipAddress))
+            {
+                ipAddress = IPAddress.Any;
+                _sysLog.Warning("配置的 IP 地址非法，将使用 IPAddress. Any: {Ip}.", cfg.SvrMjpegIp);
+            }
+
+            // 端口检查 => Wcf 接收图片接口
+            var portsToCheck = new List<int> { cfg.WcfPushImagePort, cfg.SvrMjpegPortBegin, cfg.SvrMjpegPortEnd };
+            foreach (var port in portsToCheck)
+            {
+                if (!port.IsServerPort())
+                {
+                    _sysLog.Error("端口配置无效, Port: {Port}.", port);
+                    ExitApp($"端口配置无效, Port: {port}");
+                }
+            }
+
+            // 端口检查 => Mjpeg 服务端口
+            if (!cfg.SvrMjpegPortBegin.IsServerPort())
+            {
+                _sysLog.Fatal("WCF 接收端口被占用, Port:{Port}.", cfg.WcfPushImagePort);
+                // 退出应用
+                ExitApp("端口占用.");
+            }
+
+            // [修复] 循环逻辑错误：将 < 改为 <=，确保最后一个端口也被检测
+            for (var i = cfg.SvrMjpegPortBegin; i <= cfg.SvrMjpegPortEnd; i++)
+            {
+                if (!i.PortOccupiedProc())
+                {
+                    // 退出应用
+                    _sysLog.Fatal("MJPEG 监听端口被占用, Port:{Port}", i);
+                    ExitApp($"MJPEG 监听端口被占用, Port:{i}");
+                }
+            }
+        }
+
+        #endregion
+
+        #region StartWcfEngine
+
+        /// <summary>
+        /// 内部 WCF 引擎初始化 (CoreWCF)
+        /// </summary>
+        public static void StartWcfEngine(MjpegConfig cfg)
+        {
+            // Optimized: 内存监控提升
+            MemoryWatchdog.Start(300, 2048);
+
+            var builder = WebApplication.CreateBuilder();
+            builder.WebHost.UseUrls($"http://*:{cfg.WcfPushImagePort}");
+
+            // 托管日志
+            builder.Host.UseSerilog(_sysLog);
+
+            builder.Services.AddServiceModelServices();
+            builder.Services.AddServiceModelMetadata();
+            builder.Services.AddSingleton<IServiceBehavior, UseRequestHeadersForMetadataAddressBehavior>()
+                            .AddSingleton<MjpegImagesService>();
+
+            var app = builder.Build();
+
+            var wsBinding = new WSHttpBinding(SecurityMode.None);
+            wsBinding.MaxReceivedMessageSize = cfg.SvrPushImageMaxRecMsgSize;
+
+            // Modified: [原因] 强制转换 IApplicationBuilder 修复 UseServiceModel 的二义性
+            ((IApplicationBuilder)app).UseServiceModel(serviceBuilder =>
+            {
+                serviceBuilder.AddService<MjpegImagesService>(opt =>
+                {
+                    opt.BaseAddresses.Add(new Uri($"http://0.0.0.0:{cfg.WcfPushImagePort}"));
+                })
+                .AddServiceEndpoint<MjpegImagesService, IMjpegImagesService>(
+                    wsBinding,
+                    $"/{cfg.SvrNamePushImage}",
+                    new Uri($"http://0.0.0.0:{cfg.WcfPushImagePort}/{cfg.SvrNamePushImage}")
+                );
+            });
+
+            // 关闭元数据暴露增强安全性
+            var meta = app.Services.GetRequiredService<ServiceMetadataBehavior>();
+            meta.HttpGetEnabled = false;
+            meta.HttpsGetEnabled = false;
+
+            Task.Run(() => app.Run());
+        }
+
+        #endregion
+
+        #region ExitApp
+
+        /// <summary>
+        /// 应用程序退出
+        /// </summary>
+        /// <param name="exitMsg"></param>
+        /// <param name="waitSeconds"></param>
+        public static void ExitApp(string exitMsg, int waitSeconds = 5)
+        {
+            // [修复] 尝试停止所有 MjpegServer 监听
+            try { MjpegServer.StopAll(); } catch { }
+
+            var iSleep = waitSeconds * 2;
+            for (var i = 0; i < iSleep; i++)
+            {
+                Thread.Sleep(500);
+            }
+
+            // 退出程序
+            Environment.Exit(0);
+        }
+
+        #endregion
+    }
+}