新增 Mjpegplayer 用来播放 Web 流

SHH.CameraService/GrpcImpls/Handlers/DeviceStatusHandler.cs

@@ -24,6 +24,9 @@ public class DeviceStatusHandler : BackgroundService
     // 状态存储：CameraId -> 状态载荷
     private readonly ConcurrentDictionary<string, StatusEventPayload> _stateStore = new();
 
+    // 记录上一次成功发送的状态快照，用于增量日志对比
+    private readonly Dictionary<string, bool> _lastPublishedStates = new();
+
     private volatile bool _isDirty = false;
     private long _lastSendTick = 0;
 
@@ -40,7 +43,7 @@ public class DeviceStatusHandler : BackgroundService
         // 1. 初始化本地状态缓存
         foreach (var dev in _manager.GetAllDevices())
         {
-            UpdateLocalState(dev.Id, false, "Service Init");
+            UpdateLocalState(dev.Id, dev.Config.IpAddress, false, "Service Init");
         }
 
         // 2. 订阅 SDK 状态变更事件
@@ -71,17 +74,18 @@ public class DeviceStatusHandler : BackgroundService
     /// <summary>
     /// SDK 状态变更回调
     /// </summary>
-    private void OnSdkStatusChanged(long deviceId, bool isOnline, string reason)
+    private void OnSdkStatusChanged(long deviceId, string ipAddress, bool isOnline, string reason)
     {
-        UpdateLocalState(deviceId, isOnline, reason);
+        UpdateLocalState(deviceId, ipAddress, isOnline, reason);
         _isDirty = true;
     }
 
-    private void UpdateLocalState(long deviceId, bool isOnline, string reason)
+    private void UpdateLocalState(long deviceId, string ipAddress, bool isOnline, string reason)
     {
         var evt = new StatusEventPayload
         {
             CameraId = deviceId.ToString(),
+            IpAddress = ipAddress,
             IsOnline = isOnline,
             Reason = reason,
             Timestamp = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds()
@@ -133,8 +137,7 @@ public class DeviceStatusHandler : BackgroundService
                     // 这就是客户端尝试调用的真实路径：/包名.服务名/方法名
                     var serviceName = client.GetType().DeclaringType?.Name ?? "Unknown";
 
-                    _gRpcLog.Debug("[gRpc] 准备调用端点: {Url}", grpcUrl);
-                    _gRpcLog.Debug("[gRpc] 客户端契约服务名: {Service}", serviceName);
+                    _gRpcLog.Debug("[gRpc] 准备调用端点: {Url}, 客户端契约服务名: {Service}", grpcUrl, serviceName);
 
                     // 执行调用
                     var response = await client.ReportStatusBatchAsync(request,
@@ -142,8 +145,69 @@ public class DeviceStatusHandler : BackgroundService
 
                     if (response.Success)
                     {
-                        _gRpcLog.Information("[gRpc] 设备状态上报成功, 共计: {Count} 个, Url: {Url}", request.Items.Count,  grpcUrl);
-                        _gRpcLog.Debug("[gRpc] 设备状态上报成功: {Url} Items:{Items}", grpcUrl, request.Items);
+                        // 1. 处理变更日志 (Information)
+                        var diffList = new List<string>();
+                        foreach (var item in request.Items)
+                        {
+                            // 只有状态翻转时才记录变更
+                            if (!_lastPublishedStates.TryGetValue(item.CameraId, out bool lastStatus) || lastStatus != item.IsOnline)
+                            {
+                                // 从内存 Store 中抓取带有 IP 的原始对象
+                                _stateStore.TryGetValue(item.CameraId, out var payload);
+                                string ip = payload?.IpAddress ?? "Unknown IP";
+
+                                string statusText = item.IsOnline ? "上线" : "离线";
+                                diffList.Add($"[{item.CameraId}({ip})] {statusText}");
+
+                                // // Modified: 记录当前状态供下次对比
+                                _lastPublishedStates[item.CameraId] = item.IsOnline;
+                            }
+                        }
+
+                        if (diffList.Any())
+                        {
+                            _gRpcLog.Information("[gRpc] 设备状态变更: {DiffDetails}, Url: {Url}",
+                                string.Join(", ", diffList), grpcUrl);
+                        }
+
+                        // 2. 处理详细统计日志 (Debug)
+                        // Optimized: 通过映射获取 IP，不修改 StatusEventItem 契约
+                        var onlineDetails = request.Items
+                            .Where(x => x.IsOnline)
+                            .Select(x => {
+                                _stateStore.TryGetValue(x.CameraId, out var p);
+                                return $"{x.CameraId}({p?.IpAddress ?? "N/A"})";
+                            }).ToList();
+
+                        var offlineDetails = request.Items
+                            .Where(x => !x.IsOnline)
+                            .Select(x => {
+                                _stateStore.TryGetValue(x.CameraId, out var p);
+                                return $"{x.CameraId}({p?.IpAddress ?? "N/A"})";
+                            }).ToList();
+
+                        var detailParts = new List<string>();
+                        detailParts.Add($"其中在线 {onlineDetails.Count} 个");
+                        detailParts.Add($"离线 {offlineDetails.Count} 个");
+
+                        if (offlineDetails.Any())
+                        {
+                            detailParts.Add($"离线设备【{string.Join(",", offlineDetails)}】");
+                        }
+
+                        if (onlineDetails.Any())
+                        {
+                            detailParts.Add($"在线设备【{string.Join(",", onlineDetails)}】");
+                        }
+
+                        string detailMsg = string.Join("，", detailParts);
+
+                        // // Optimized: 最终输出格式化的详细日志
+                        _gRpcLog.Debug("[gRpc] 设备状态上报详细: {Url} 总数:{Count} {Detail}",
+                            grpcUrl,
+                            request.Items.Count,
+                            detailMsg);
+
                         _isDirty = false;
                         _lastSendTick = Environment.TickCount64;
                     }