用了统一存储,之前显示系统日志的读方法需要修改
This commit is contained in:
@@ -5,25 +5,24 @@ namespace SHH.CameraSdk;
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/// <summary>
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/// 视频源实时状态监控 API 控制器
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/// 核心功能:提供相机设备遥测数据查询、单设备详情查询、设备截图获取接口
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/// 适用场景:Web 监控大屏、移动端状态查询、第三方系统集成
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/// 核心功能:提供相机设备遥测数据查询、单设备详情查询、系统日志查询
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/// </summary>
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[ApiController]
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[Route("api/[controller]")]
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[Route("api/monitor")] // [建议] 显式指定路由为小写,确保与前端 ${API}/monitor/... 匹配
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public class MonitorController : ControllerBase
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{
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#region --- 依赖注入 (Dependency Injection) ---
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/// <summary> 相机管理器实例:提供设备状态与遥测数据访问能力 </summary>
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private readonly CameraManager _cameraManager;
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private readonly IStorageService _storage; // [新增] 存储服务引用
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/// <summary>
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/// 构造函数:通过依赖注入获取 CameraManager 实例
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/// 构造函数:注入 CameraManager 和 IStorageService
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/// </summary>
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/// <param name="cameraManager">相机管理器</param>
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public MonitorController(CameraManager cameraManager)
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public MonitorController(CameraManager cameraManager, IStorageService storage)
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{
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_cameraManager = cameraManager;
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_storage = storage;
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}
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#endregion
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@@ -31,14 +30,9 @@ public class MonitorController : ControllerBase
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#region --- API 接口定义 (API Endpoints) ---
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/// <summary>
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/// 获取全量相机实时遥测数据快照(支持跨域)
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/// </summary>
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/// <remarks>
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/// 返回数据包含:设备ID、名称、IP地址、运行状态、在线状态、实时FPS、累计帧数、健康度评分、最后错误信息
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/// 获取全量相机实时遥测数据快照
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/// 适用场景:监控大屏首页数据看板
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/// [cite: 191, 194]
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/// </remarks>
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/// <returns>200 OK + 遥测数据列表</returns>
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/// </summary>
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[HttpGet("dashboard")]
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public IActionResult GetDashboard()
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{
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@@ -49,18 +43,13 @@ public class MonitorController : ControllerBase
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/// <summary>
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/// 获取指定相机的详细运行指标
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/// </summary>
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/// <param name="id">相机设备唯一标识</param>
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/// <returns>200 OK + 设备详情 | 404 Not Found</returns>
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[HttpGet("{id}")]
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public IActionResult GetDeviceDetail(long id)
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{
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// 查询指定设备
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var device = _cameraManager.GetDevice(id);
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// 设备不存在返回 404
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if (device == null) return NotFound($"设备 ID: {id} 不存在");
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// 构造设备详情返回对象
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var deviceDetail = new
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return Ok(new
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{
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device.Id,
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device.Status,
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@@ -69,53 +58,60 @@ public class MonitorController : ControllerBase
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device.TotalFrames,
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device.Config.Name,
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device.Config.IpAddress
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};
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return Ok(deviceDetail);
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});
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}
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/// <summary>
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/// 获取指定相机的实时截图
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/// </summary>
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/// <param name="id">相机设备唯一标识</param>
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/// <returns>200 OK + JPEG 图片流 | 504 Gateway Timeout</returns>
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[HttpGet("snapshot/{id}")]
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public async Task<IActionResult> GetSnapshot(long id)
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{
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// 调用截图协调器获取实时截图,设置 2 秒超时
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// 超时保护:避免 HTTP 线程因设备异常长时间挂起
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// 假设您有 SnapshotCoordinator 单例,此处保留原逻辑
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var imageBytes = await SnapshotCoordinator.Instance.RequestSnapshotAsync(id, 2000);
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// 截图超时或设备无响应,返回 504 超时状态码
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if (imageBytes == null)
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{
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return StatusCode(StatusCodes.Status504GatewayTimeout, "截图请求超时或设备未响应");
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}
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// 返回 JPEG 格式图片流,支持浏览器直接预览
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return File(imageBytes, "image/jpeg");
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}
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/// <summary>
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/// 获取指定相机的诊断信息(含审计日志)
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/// 获取指定相机的深度诊断信息(包含持久化的审计日志)
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/// </summary>
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/// <param name="id">相机设备唯一标识</param>
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/// <returns>200 OK + 诊断信息 | 404 Not Found</returns>
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[HttpGet("diagnose/{id}")]
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public IActionResult GetDeviceDiagnostic(long id)
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public async Task<IActionResult> GetDeviceDiagnostic(long id)
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{
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var device = _cameraManager.GetDevice(id);
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if (device == null) return NotFound();
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if (device == null) return NotFound("设备不存在");
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// [修正] 改为从 StorageService 读取文件日志
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// 这样即使重启程序,历史日志也能查到
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var logs = await _storage.GetDeviceLogsAsync((int)id, 50);
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return Ok(new
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{
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// 基础信息
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Id = device.Id,
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Status = device.Status.ToString(),
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RealFps = device.RealFps,
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TotalFrames = device.TotalFrames,
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// 关键:将 BaseVideoSource 中的日志列表返回给前端
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// 注意:属性名 AuditLogs 会被序列化为 auditLogs (首字母小写),符合前端预期
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AuditLogs = device.GetAuditLogs()
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// 实时状态
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BasicInfo = device.Config,
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RealTimeStats = new
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{
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device.RealFps,
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device.TotalFrames,
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device.IsPhysicalOnline,
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device.Width,
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device.Height
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},
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// [关键] 持久化日志
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AuditLogs = logs
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});
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}
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@@ -125,26 +121,12 @@ public class MonitorController : ControllerBase
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/// 获取系统操作日志(读取最新的 50 条)
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/// </summary>
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[HttpGet("system-logs")]
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public IActionResult GetSystemLogs()
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public async Task<IActionResult> GetSystemLogs()
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{
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try
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{
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var logPath = "user_actions.log";
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if (!System.IO.File.Exists(logPath))
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{
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return Ok(new List<string> { "暂无操作记录" });
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}
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// [修正] 彻底废弃手动读文件,改用 Service
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// Service 内部会自动处理锁、路径 (App_Data/Process_X/system.log) 和异常
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var logs = await _storage.GetSystemLogsAsync(50);
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// 读取文件 -> 取最后50行 -> 倒序排列(最新在前)
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var logs = System.IO.File.ReadLines(logPath)
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.TakeLast(50)
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.Reverse()
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.ToList();
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return Ok(logs);
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}
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catch (Exception ex)
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{
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return StatusCode(500, $"读取日志失败: {ex.Message}");
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}
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}
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}
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@@ -140,7 +140,7 @@ public class CameraManager : IDisposable, IAsyncDisposable
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{
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var device = CreateDeviceInstance(config);
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// 默认设为运行状态,让协调器稍后去连接
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device.IsRunning = true;
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//device.IsRunning = true;
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_cameraPool.TryAdd(config.Id, device);
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loadedCount++;
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}
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@@ -1,105 +1,165 @@
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using System.Text.Json;
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namespace SHH.CameraSdk
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namespace SHH.CameraSdk;
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public class FileStorageService : IStorageService
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{
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public class FileStorageService : IStorageService
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{
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public int ProcessId { get; }
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private readonly string _baseDir;
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private readonly string _devicesPath;
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private readonly SemaphoreSlim _fileLock = new SemaphoreSlim(1, 1);
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private readonly string _systemLogPath; // 系统日志路径
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private readonly string _logsDir; // 设备日志文件夹
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// [关键修复] 配置序列化选项,解决“只存属性不存字段”的问题
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// 【关键优化】双锁分离:配置读写和日志读写互不干扰
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private readonly SemaphoreSlim _configLock = new SemaphoreSlim(1, 1);
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private readonly SemaphoreSlim _logLock = new SemaphoreSlim(1, 1);
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// JSON 配置 (保持不变)
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private readonly JsonSerializerOptions _jsonOptions = new JsonSerializerOptions
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{
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WriteIndented = true, // 格式化 JSON,让人眼可读
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IncludeFields = true, // [核心] 允许序列化 public int Id; 这种字段
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PropertyNameCaseInsensitive = true, // 忽略大小写差异
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NumberHandling = JsonNumberHandling.AllowReadingFromString // 允许 "8000" 读为 int 8000
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WriteIndented = true,
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IncludeFields = true,
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PropertyNameCaseInsensitive = true,
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NumberHandling = JsonNumberHandling.AllowReadingFromString
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};
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public FileStorageService(int processId)
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{
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ProcessId = processId;
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// 目录结构:
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// App_Data/Process_1/
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// ├── devices.json
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// ├── system.log
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// └── logs/
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// ├── device_101.log
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// └── device_102.log
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_baseDir = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "App_Data", $"Process_{processId}");
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_devicesPath = Path.Combine(_baseDir, "devices.json");
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_systemLogPath = Path.Combine(_baseDir, "system.log");
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_logsDir = Path.Combine(_baseDir, "logs");
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if (!Directory.Exists(_baseDir)) Directory.CreateDirectory(_baseDir);
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if (!Directory.Exists(_logsDir)) Directory.CreateDirectory(_logsDir);
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Console.WriteLine($"[Storage] 路径: {_devicesPath}");
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Console.WriteLine($"[Storage] 服务就绪 | 日志路径: {_systemLogPath}");
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}
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// ==================================================================
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// 1. 设备配置管理 (使用 _configLock)
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// ==================================================================
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public async Task SaveDevicesAsync(IEnumerable<VideoSourceConfig> configs)
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{
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await _fileLock.WaitAsync();
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await _configLock.WaitAsync();
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try
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{
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// [调试] 打印正在保存的数量,确保 Manager 传过来的数据是对的
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// Console.WriteLine($"[Debug] 正在保存 {configs.Count()} 台设备...");
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var json = JsonSerializer.Serialize(configs, _jsonOptions);
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await File.WriteAllTextAsync(_devicesPath, json);
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// [调试] 打印部分 JSON 内容,验证是否为空对象 "{}"
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// if (json.Length < 200) Console.WriteLine($"[Debug] JSON 内容: {json}");
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}
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catch (Exception ex)
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{
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Console.WriteLine($"[Storage] ❌ 保存配置失败: {ex.Message}");
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}
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finally
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{
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_fileLock.Release();
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}
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finally { _configLock.Release(); }
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}
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public async Task<List<VideoSourceConfig>> LoadDevicesAsync()
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{
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if (!File.Exists(_devicesPath))
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{
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Console.WriteLine("[Storage] ⚠️ 配置文件不存在,将使用空列表");
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return new List<VideoSourceConfig>();
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}
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if (!File.Exists(_devicesPath)) return new List<VideoSourceConfig>();
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await _fileLock.WaitAsync();
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await _configLock.WaitAsync();
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try
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{
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var json = await File.ReadAllTextAsync(_devicesPath);
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if (string.IsNullOrWhiteSpace(json)) return new List<VideoSourceConfig>();
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// [调试] 打印读取到的原始 JSON
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// Console.WriteLine($"[Debug] 读取文件内容: {json.Substring(0, Math.Min(json.Length, 100))}...");
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var list = JsonSerializer.Deserialize<List<VideoSourceConfig>>(json, _jsonOptions);
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// 二次校验:如果读出来列表不为空,但 ID 全是 0,说明序列化还是没对上
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if (list != null && list.Count > 0 && list[0].Id == 0 && list[0].Port == 0)
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{
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Console.WriteLine("[Storage] ⚠️ 警告:读取到设备,但字段似乎为空。请检查 VideoSourceConfig 是否使用了 private 属性?");
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}
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return list ?? new List<VideoSourceConfig>();
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}
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catch (Exception ex)
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{
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Console.WriteLine($"[Storage] ❌ 读取配置失败: {ex.Message}");
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// 出错时返回空列表,不要抛出异常,否则 StartAsync 会崩溃
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return new List<VideoSourceConfig>();
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}
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finally
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{
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_fileLock.Release();
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}
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finally { _configLock.Release(); }
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}
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// ==================================================================
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// 日志部分 (保持空实现以免干扰)
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// 2. 系统操作日志 (使用 _logLock)
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// ==================================================================
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public Task AppendSystemLogAsync(string action, string ip, string path) => Task.CompletedTask;
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public Task<List<string>> GetSystemLogsAsync(int count) => Task.FromResult(new List<string>());
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public Task AppendDeviceLogAsync(int deviceId, string message) => Task.CompletedTask;
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public Task<List<string>> GetDeviceLogsAsync(int deviceId, int count) => Task.FromResult(new List<string>());
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public async Task AppendSystemLogAsync(string action, string ip, string path)
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{
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// 格式: [时间] | IP | 动作 路径
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var time = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
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var line = $"[{time}] | {ip} | {action} {path}";
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await _logLock.WaitAsync(); // 等待日志锁
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try
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{
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// 追加写入 (Async)
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await File.AppendAllTextAsync(_systemLogPath, line + Environment.NewLine);
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}
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catch { /* 忽略日志写入错误,别崩了主程序 */ }
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finally { _logLock.Release(); }
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}
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public async Task<List<string>> GetSystemLogsAsync(int count)
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{
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if (!File.Exists(_systemLogPath)) return new List<string> { "暂无日志" };
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await _logLock.WaitAsync();
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try
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{
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// 读取所有行 (如果日志文件非常大,这里建议优化为倒序读取,但几MB以内没问题)
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var lines = await File.ReadAllLinesAsync(_systemLogPath);
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// 取最后 N 行,并反转(让最新的显示在最上面)
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return lines.TakeLast(count).Reverse().ToList();
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}
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catch (Exception ex)
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{
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return new List<string> { $"读取失败: {ex.Message}" };
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}
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finally { _logLock.Release(); }
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}
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// ==================================================================
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// 3. 设备审计日志 (使用 _logLock)
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// ==================================================================
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public async Task AppendDeviceLogAsync(int deviceId, string message)
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{
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var path = Path.Combine(_logsDir, $"device_{deviceId}.log");
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var time = DateTime.Now.ToString("MM-dd HH:mm:ss");
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var line = $"{time} > {message}";
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await _logLock.WaitAsync(); // 复用日志锁,防止多文件同时IO导致磁盘抖动
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try
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{
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await File.AppendAllTextAsync(path, line + Environment.NewLine);
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}
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catch { }
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finally { _logLock.Release(); }
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}
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public async Task<List<string>> GetDeviceLogsAsync(int deviceId, int count)
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{
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var path = Path.Combine(_logsDir, $"device_{deviceId}.log");
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if (!File.Exists(path)) return new List<string>();
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await _logLock.WaitAsync();
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try
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{
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var lines = await File.ReadAllLinesAsync(path);
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return lines.TakeLast(count).Reverse().ToList();
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}
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catch
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{
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return new List<string>();
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}
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finally { _logLock.Release(); }
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}
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}
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Block a user