规范并补充日志内容
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@@ -6,7 +6,7 @@ using SHH.Contracts.Grpc;
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namespace SHH.CameraService;
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/// <summary>
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/// gRPC 指令分发器
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/// gRpc 指令分发器
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/// 职责:接收从 GrpcCommandReceiverWorker 传入的 Proto 消息,解析参数并路由至具体的 Handler。
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/// </summary>
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public class CommandDispatcher
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@@ -29,14 +29,14 @@ public class CommandDispatcher
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/// <summary>
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/// 执行指令分发
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/// </summary>
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/// <param name="protoMsg">从 gRPC Server Streaming 接收到的原始 Proto 指令对象</param>
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/// <param name="protoMsg">从 gRpc Server Streaming 接收到的原始 Proto 指令对象</param>
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public async Task DispatchAsync(CommandPayloadProto protoMsg)
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{
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if (protoMsg == null) return;
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string cmdCode = protoMsg.CmdCode; // 例如 "Sync_Camera"
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_gRpcLog.Information($"[gRPC] 响应请求, 业务:{protoMsg.CmdCode}, 请求ID:{protoMsg.RequestId}, 业务分发.");
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_gRpcLog.Debug($"[gRPC] 响应请求, {protoMsg.CmdCode}, 请求ID:{protoMsg.RequestId}, 业务分发 => {protoMsg}");
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_gRpcLog.Information($"[gRpc] 响应请求, 业务:{protoMsg.CmdCode}, 请求ID:{protoMsg.RequestId}, 业务分发.");
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_gRpcLog.Debug($"[gRpc] 响应请求, {protoMsg.CmdCode}, 请求ID:{protoMsg.RequestId}, 业务分发 => {protoMsg}");
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try
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{
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@@ -51,20 +51,20 @@ public class CommandDispatcher
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// 3. 调用具体业务执行
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await handler.ExecuteAsync(token);
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_gRpcLog.Information($"[gRPC] 业务:{protoMsg.CmdCode}, 请求ID:{protoMsg.RequestId}, 执行成功.");
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_gRpcLog.Information($"[gRpc] 业务:{protoMsg.CmdCode}, 请求ID:{protoMsg.RequestId}, 执行成功.");
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}
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else
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{
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_gRpcLog.Warning($"[gRPC] 业务:{protoMsg.CmdCode}, 请求ID:{protoMsg.RequestId}, 未找到指令处理器.");
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_gRpcLog.Warning($"[gRpc] 业务:{protoMsg.CmdCode}, 请求ID:{protoMsg.RequestId}, 未找到指令处理器.");
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}
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}
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catch (Exception ex)
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{
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_gRpcLog.Error($"[gRPC] 业务:{protoMsg.CmdCode}, 请求ID:{protoMsg.RequestId}, 执行指令处理异常: {ex.Message}.");
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_gRpcLog.Error($"[gRpc] 业务:{protoMsg.CmdCode}, 请求ID:{protoMsg.RequestId}, 执行指令处理异常: {ex.Message}.");
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}
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// 注意:关于 ACK (require_ack)
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// 在 NetMQ 时代需要手动回发结果,在 gRPC Server Streaming 模式下,
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// 在 NetMQ 时代需要手动回发结果,在 gRpc Server Streaming 模式下,
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// 建议通过 Unary RPC (例如另设一个 ReportCommandResult 方法) 异步上报执行结果。
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}
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}
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@@ -1,44 +1,52 @@
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using System.Diagnostics;
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using Ayay.SerilogLogs;
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using Microsoft.Extensions.Hosting;
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using Microsoft.Extensions.Logging;
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using Serilog;
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using SHH.CameraSdk;
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using System.Diagnostics;
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namespace SHH.CameraService;
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/// <summary>
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/// 父进程守护服务 (BackgroundService)
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/// <para>核心逻辑:定期检查启动本服务的父进程是否存活,若父进程退出(如 UI 崩溃),则触发本服务自动退出,避免孤儿进程占用相机硬件资源。</para>
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/// </summary>
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public class ParentProcessSentinel : BackgroundService
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{
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private readonly ServiceConfig _config;
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private readonly IHostApplicationLifetime _lifetime;
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private readonly ILogger<ParentProcessSentinel> _logger;
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private static ILogger _sysLog = Log.ForContext("SourceContext", LogModules.Core);
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/// <summary>
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/// 使用统一的结构化日志记录器,SourceContext 设置为 Core 模块
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/// </summary>
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public ParentProcessSentinel(
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ServiceConfig config,
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IHostApplicationLifetime lifetime,
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ILogger<ParentProcessSentinel> logger)
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IHostApplicationLifetime lifetime)
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{
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_config = config;
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_lifetime = lifetime;
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_logger = logger;
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}
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/// <summary>
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/// 执行后台守护逻辑
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/// </summary>
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protected override async Task ExecuteAsync(CancellationToken stoppingToken)
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{
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int pid = _config.ParentPid;
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// 如果 PID 为 0 或负数,说明不需要守护(可能是手动启动调试)
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// 1. 验证 PID 合法性。如果 PID 为 0 或负数,可能是手动启动调试模式,不执行守护逻辑
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if (pid <= 0)
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{
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_logger.LogInformation("未指定有效的父进程 PID,守护模式已禁用。");
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_sysLog.Warning("[Sentinel] 未指定有效的父进程 PID ({ParentPid}),守护模式已禁用,服务将持续运行.", pid);
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return;
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}
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_logger.LogInformation($"父进程守护已启动,正在监控 PID: {pid}");
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_sysLog.Information("[Sentinel] 父进程守护已启动,正在监控目标 PID: {ParentPid}", pid);
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while (!stoppingToken.IsCancellationRequested)
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{
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if (!IsParentRunning(pid))
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{
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_logger.LogWarning($"[ALERT] 检测到父进程 (PID:{pid}) 已退出!正在终止当前服务...");
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_sysLog.Warning("[Sentinel] ### ALERT ### 检测到父进程 (PID:{ParentPid}) 已退出!正在下发系统终止信号...", pid);
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// 触发程序优雅退出
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_lifetime.StopApplication();
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@@ -52,6 +60,11 @@ public class ParentProcessSentinel : BackgroundService
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}
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}
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/// <summary>
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/// 核心状态判定:通过 PID 获取进程快照并检查存活状态
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/// </summary>
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/// <param name="pid">父进程 ID</param>
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/// <returns>存活返回 True,已消亡返回 False</returns>
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private bool IsParentRunning(int pid)
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{
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try
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@@ -72,7 +85,7 @@ public class ParentProcessSentinel : BackgroundService
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "检查父进程状态时发生未知错误,默认为存活");
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_sysLog.Debug("[Sentinel] 无法定位 PID 为 {ParentPid} 的进程,判定为已退出.", pid);
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return true; // 发生未知错误时,保守起见认为它还活着
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}
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}
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