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:
2025-12-26 23:05:08 +08:00
parent 3d4eb34ca9
commit 39404c0acd
3 changed files with 188 additions and 146 deletions

View File

@@ -5,25 +5,24 @@ namespace SHH.CameraSdk;
/// <summary> /// <summary>
/// 视频源实时状态监控 API 控制器 /// 视频源实时状态监控 API 控制器
/// 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 /// 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
/// 适用场景Web 监控大屏、移动端状态查询、第三方系统集成
/// </summary> /// </summary>
[ApiController] [ApiController]
[Route("api/[controller]")] [Route("api/monitor")] // [建议] 显式指定路由为小写,确保与前端 ${API}/monitor/... 匹配
public class MonitorController : ControllerBase public class MonitorController : ControllerBase
{ {
#region --- (Dependency Injection) --- #region --- (Dependency Injection) ---
/// <summary> 相机管理器实例:提供设备状态与遥测数据访问能力 </summary>
private readonly CameraManager _cameraManager; private readonly CameraManager _cameraManager;
private readonly IStorageService _storage; // [新增] 存储服务引用
/// <summary> /// <summary>
/// 构造函数:通过依赖注入获取 CameraManager 实例 /// 构造函数:注入 CameraManager 和 IStorageService
/// </summary> /// </summary>
/// <param name="cameraManager">相机管理器</param> public MonitorController(CameraManager cameraManager, IStorageService storage)
public MonitorController(CameraManager cameraManager)
{ {
_cameraManager = cameraManager; _cameraManager = cameraManager;
_storage = storage;
} }
#endregion #endregion
@@ -31,14 +30,9 @@ public class MonitorController : ControllerBase
#region --- API (API Endpoints) --- #region --- API (API Endpoints) ---
/// <summary> /// <summary>
/// 获取全量相机实时遥测数据快照(支持跨域) /// 获取全量相机实时遥测数据快照
/// </summary>
/// <remarks>
/// 返回数据包含设备ID、名称、IP地址、运行状态、在线状态、实时FPS、累计帧数、健康度评分、最后错误信息
/// 适用场景:监控大屏首页数据看板 /// 适用场景:监控大屏首页数据看板
/// [cite: 191, 194] /// </summary>
/// </remarks>
/// <returns>200 OK + 遥测数据列表</returns>
[HttpGet("dashboard")] [HttpGet("dashboard")]
public IActionResult GetDashboard() public IActionResult GetDashboard()
{ {
@@ -49,18 +43,13 @@ public class MonitorController : ControllerBase
/// <summary> /// <summary>
/// 获取指定相机的详细运行指标 /// 获取指定相机的详细运行指标
/// </summary> /// </summary>
/// <param name="id">相机设备唯一标识</param>
/// <returns>200 OK + 设备详情 | 404 Not Found</returns>
[HttpGet("{id}")] [HttpGet("{id}")]
public IActionResult GetDeviceDetail(long id) public IActionResult GetDeviceDetail(long id)
{ {
// 查询指定设备
var device = _cameraManager.GetDevice(id); var device = _cameraManager.GetDevice(id);
// 设备不存在返回 404
if (device == null) return NotFound($"设备 ID: {id} 不存在"); if (device == null) return NotFound($"设备 ID: {id} 不存在");
// 构造设备详情返回对象 return Ok(new
var deviceDetail = new
{ {
device.Id, device.Id,
device.Status, device.Status,
@@ -69,53 +58,60 @@ public class MonitorController : ControllerBase
device.TotalFrames, device.TotalFrames,
device.Config.Name, device.Config.Name,
device.Config.IpAddress device.Config.IpAddress
}; });
return Ok(deviceDetail);
} }
/// <summary> /// <summary>
/// 获取指定相机的实时截图 /// 获取指定相机的实时截图
/// </summary> /// </summary>
/// <param name="id">相机设备唯一标识</param>
/// <returns>200 OK + JPEG 图片流 | 504 Gateway Timeout</returns>
[HttpGet("snapshot/{id}")] [HttpGet("snapshot/{id}")]
public async Task<IActionResult> GetSnapshot(long id) public async Task<IActionResult> GetSnapshot(long id)
{ {
// 调用截图协调器获取实时截图,设置 2 秒超时 // 假设您有 SnapshotCoordinator 单例,此处保留原逻辑
// 超时保护:避免 HTTP 线程因设备异常长时间挂起
var imageBytes = await SnapshotCoordinator.Instance.RequestSnapshotAsync(id, 2000); var imageBytes = await SnapshotCoordinator.Instance.RequestSnapshotAsync(id, 2000);
// 截图超时或设备无响应,返回 504 超时状态码
if (imageBytes == null) if (imageBytes == null)
{ {
return StatusCode(StatusCodes.Status504GatewayTimeout, "截图请求超时或设备未响应"); return StatusCode(StatusCodes.Status504GatewayTimeout, "截图请求超时或设备未响应");
} }
// 返回 JPEG 格式图片流,支持浏览器直接预览
return File(imageBytes, "image/jpeg"); return File(imageBytes, "image/jpeg");
} }
/// <summary> /// <summary>
/// 获取指定相机的诊断信息(审计日志) /// 获取指定相机的深度诊断信息(包含持久化的审计日志)
/// </summary> /// </summary>
/// <param name="id">相机设备唯一标识</param>
/// <returns>200 OK + 诊断信息 | 404 Not Found</returns>
[HttpGet("diagnose/{id}")] [HttpGet("diagnose/{id}")]
public IActionResult GetDeviceDiagnostic(long id) public async Task<IActionResult> GetDeviceDiagnostic(long id)
{ {
var device = _cameraManager.GetDevice(id); var device = _cameraManager.GetDevice(id);
if (device == null) return NotFound(); if (device == null) return NotFound("设备不存在");
// [修正] 改为从 StorageService 读取文件日志
// 这样即使重启程序,历史日志也能查到
var logs = await _storage.GetDeviceLogsAsync((int)id, 50);
return Ok(new return Ok(new
{ {
// 基础信息
Id = device.Id, Id = device.Id,
Status = device.Status.ToString(), Status = device.Status.ToString(),
RealFps = device.RealFps, RealFps = device.RealFps,
TotalFrames = device.TotalFrames, TotalFrames = device.TotalFrames,
// 关键:将 BaseVideoSource 中的日志列表返回给前端
// 注意:属性名 AuditLogs 会被序列化为 auditLogs (首字母小写),符合前端预期 // 实时状态
AuditLogs = device.GetAuditLogs() BasicInfo = device.Config,
RealTimeStats = new
{
device.RealFps,
device.TotalFrames,
device.IsPhysicalOnline,
device.Width,
device.Height
},
// [关键] 持久化日志
AuditLogs = logs
}); });
} }
@@ -125,26 +121,12 @@ public class MonitorController : ControllerBase
/// 获取系统操作日志(读取最新的 50 条) /// 获取系统操作日志(读取最新的 50 条)
/// </summary> /// </summary>
[HttpGet("system-logs")] [HttpGet("system-logs")]
public IActionResult GetSystemLogs() public async Task<IActionResult> GetSystemLogs()
{ {
try // [修正] 彻底废弃手动读文件,改用 Service
{ // Service 内部会自动处理锁、路径 (App_Data/Process_X/system.log) 和异常
var logPath = "user_actions.log"; var logs = await _storage.GetSystemLogsAsync(50);
if (!System.IO.File.Exists(logPath))
{
return Ok(new List<string> { "暂无操作记录" });
}
// 读取文件 -> 取最后50行 -> 倒序排列(最新在前)
var logs = System.IO.File.ReadLines(logPath)
.TakeLast(50)
.Reverse()
.ToList();
return Ok(logs); return Ok(logs);
} }
catch (Exception ex)
{
return StatusCode(500, $"读取日志失败: {ex.Message}");
}
}
} }

View File

@@ -140,7 +140,7 @@ public class CameraManager : IDisposable, IAsyncDisposable
{ {
var device = CreateDeviceInstance(config); var device = CreateDeviceInstance(config);
// 默认设为运行状态,让协调器稍后去连接 // 默认设为运行状态,让协调器稍后去连接
device.IsRunning = true; //device.IsRunning = true;
_cameraPool.TryAdd(config.Id, device); _cameraPool.TryAdd(config.Id, device);
loadedCount++; loadedCount++;
} }

View File

@@ -1,105 +1,165 @@
using System.Text.Json; using System.Text.Json;
namespace SHH.CameraSdk namespace SHH.CameraSdk;
{
public class FileStorageService : IStorageService public class FileStorageService : IStorageService
{ {
public int ProcessId { get; } public int ProcessId { get; }
private readonly string _baseDir; private readonly string _baseDir;
private readonly string _devicesPath; private readonly string _devicesPath;
private readonly SemaphoreSlim _fileLock = new SemaphoreSlim(1, 1); private readonly string _systemLogPath; // 系统日志路径
private readonly string _logsDir; // 设备日志文件夹
// [关键修复] 配置序列化选项,解决“只存属性不存字段”的问题 // 关键优化】双锁分离:配置读写和日志读写互不干扰
private readonly SemaphoreSlim _configLock = new SemaphoreSlim(1, 1);
private readonly SemaphoreSlim _logLock = new SemaphoreSlim(1, 1);
// JSON 配置 (保持不变)
private readonly JsonSerializerOptions _jsonOptions = new JsonSerializerOptions private readonly JsonSerializerOptions _jsonOptions = new JsonSerializerOptions
{ {
WriteIndented = true, // 格式化 JSON让人眼可读 WriteIndented = true,
IncludeFields = true, // [核心] 允许序列化 public int Id; 这种字段 IncludeFields = true,
PropertyNameCaseInsensitive = true, // 忽略大小写差异 PropertyNameCaseInsensitive = true,
NumberHandling = JsonNumberHandling.AllowReadingFromString // 允许 "8000" 读为 int 8000 NumberHandling = JsonNumberHandling.AllowReadingFromString
}; };
public FileStorageService(int processId) public FileStorageService(int processId)
{ {
ProcessId = processId; ProcessId = processId;
// 目录结构:
// App_Data/Process_1/
// ├── devices.json
// ├── system.log
// └── logs/
// ├── device_101.log
// └── device_102.log
_baseDir = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "App_Data", $"Process_{processId}"); _baseDir = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "App_Data", $"Process_{processId}");
_devicesPath = Path.Combine(_baseDir, "devices.json"); _devicesPath = Path.Combine(_baseDir, "devices.json");
_systemLogPath = Path.Combine(_baseDir, "system.log");
_logsDir = Path.Combine(_baseDir, "logs");
if (!Directory.Exists(_baseDir)) Directory.CreateDirectory(_baseDir); if (!Directory.Exists(_baseDir)) Directory.CreateDirectory(_baseDir);
if (!Directory.Exists(_logsDir)) Directory.CreateDirectory(_logsDir);
Console.WriteLine($"[Storage] 路径: {_devicesPath}"); Console.WriteLine($"[Storage] 服务就绪 | 日志路径: {_systemLogPath}");
} }
// ==================================================================
// 1. 设备配置管理 (使用 _configLock)
// ==================================================================
public async Task SaveDevicesAsync(IEnumerable<VideoSourceConfig> configs) public async Task SaveDevicesAsync(IEnumerable<VideoSourceConfig> configs)
{ {
await _fileLock.WaitAsync(); await _configLock.WaitAsync();
try try
{ {
// [调试] 打印正在保存的数量,确保 Manager 传过来的数据是对的
// Console.WriteLine($"[Debug] 正在保存 {configs.Count()} 台设备...");
var json = JsonSerializer.Serialize(configs, _jsonOptions); var json = JsonSerializer.Serialize(configs, _jsonOptions);
await File.WriteAllTextAsync(_devicesPath, json); await File.WriteAllTextAsync(_devicesPath, json);
// [调试] 打印部分 JSON 内容,验证是否为空对象 "{}"
// if (json.Length < 200) Console.WriteLine($"[Debug] JSON 内容: {json}");
} }
catch (Exception ex) catch (Exception ex)
{ {
Console.WriteLine($"[Storage] ❌ 保存配置失败: {ex.Message}"); Console.WriteLine($"[Storage] ❌ 保存配置失败: {ex.Message}");
} }
finally finally { _configLock.Release(); }
{
_fileLock.Release();
}
} }
public async Task<List<VideoSourceConfig>> LoadDevicesAsync() public async Task<List<VideoSourceConfig>> LoadDevicesAsync()
{ {
if (!File.Exists(_devicesPath)) if (!File.Exists(_devicesPath)) return new List<VideoSourceConfig>();
{
Console.WriteLine("[Storage] ⚠️ 配置文件不存在,将使用空列表");
return new List<VideoSourceConfig>();
}
await _fileLock.WaitAsync(); await _configLock.WaitAsync();
try try
{ {
var json = await File.ReadAllTextAsync(_devicesPath); var json = await File.ReadAllTextAsync(_devicesPath);
if (string.IsNullOrWhiteSpace(json)) return new List<VideoSourceConfig>(); if (string.IsNullOrWhiteSpace(json)) return new List<VideoSourceConfig>();
// [调试] 打印读取到的原始 JSON
// Console.WriteLine($"[Debug] 读取文件内容: {json.Substring(0, Math.Min(json.Length, 100))}...");
var list = JsonSerializer.Deserialize<List<VideoSourceConfig>>(json, _jsonOptions); var list = JsonSerializer.Deserialize<List<VideoSourceConfig>>(json, _jsonOptions);
// 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
if (list != null && list.Count > 0 && list[0].Id == 0 && list[0].Port == 0)
{
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?");
}
return list ?? new List<VideoSourceConfig>(); return list ?? new List<VideoSourceConfig>();
} }
catch (Exception ex) catch (Exception ex)
{ {
Console.WriteLine($"[Storage] ❌ 读取配置失败: {ex.Message}"); Console.WriteLine($"[Storage] ❌ 读取配置失败: {ex.Message}");
// 出错时返回空列表,不要抛出异常,否则 StartAsync 会崩溃
return new List<VideoSourceConfig>(); return new List<VideoSourceConfig>();
} }
finally finally { _configLock.Release(); }
{
_fileLock.Release();
}
} }
// ================================================================== // ==================================================================
// 日志部分 (保持空实现以免干扰) // 2. 系统操作日志 (使用 _logLock)
// ================================================================== // ==================================================================
public Task AppendSystemLogAsync(string action, string ip, string path) => Task.CompletedTask;
public Task<List<string>> GetSystemLogsAsync(int count) => Task.FromResult(new List<string>()); public async Task AppendSystemLogAsync(string action, string ip, string path)
public Task AppendDeviceLogAsync(int deviceId, string message) => Task.CompletedTask; {
public Task<List<string>> GetDeviceLogsAsync(int deviceId, int count) => Task.FromResult(new List<string>()); // 格式: [时间] | IP | 动作 路径
var time = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
var line = $"[{time}] | {ip} | {action} {path}";
await _logLock.WaitAsync(); // 等待日志锁
try
{
// 追加写入 (Async)
await File.AppendAllTextAsync(_systemLogPath, line + Environment.NewLine);
}
catch { /* 忽略日志写入错误,别崩了主程序 */ }
finally { _logLock.Release(); }
}
public async Task<List<string>> GetSystemLogsAsync(int count)
{
if (!File.Exists(_systemLogPath)) return new List<string> { "暂无日志" };
await _logLock.WaitAsync();
try
{
// 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)
var lines = await File.ReadAllLinesAsync(_systemLogPath);
// 取最后 N 行,并反转(让最新的显示在最上面)
return lines.TakeLast(count).Reverse().ToList();
}
catch (Exception ex)
{
return new List<string> { $"读取失败: {ex.Message}" };
}
finally { _logLock.Release(); }
}
// ==================================================================
// 3. 设备审计日志 (使用 _logLock)
// ==================================================================
public async Task AppendDeviceLogAsync(int deviceId, string message)
{
var path = Path.Combine(_logsDir, $"device_{deviceId}.log");
var time = DateTime.Now.ToString("MM-dd HH:mm:ss");
var line = $"{time} > {message}";
await _logLock.WaitAsync(); // 复用日志锁防止多文件同时IO导致磁盘抖动
try
{
await File.AppendAllTextAsync(path, line + Environment.NewLine);
}
catch { }
finally { _logLock.Release(); }
}
public async Task<List<string>> GetDeviceLogsAsync(int deviceId, int count)
{
var path = Path.Combine(_logsDir, $"device_{deviceId}.log");
if (!File.Exists(path)) return new List<string>();
await _logLock.WaitAsync();
try
{
var lines = await File.ReadAllLinesAsync(path);
return lines.TakeLast(count).Reverse().ToList();
}
catch
{
return new List<string>();
}
finally { _logLock.Release(); }
} }
} }