protected override async Task ExecuteAsync(CancellationToken stoppingToken)
        {
            await Task.Run(() => {
                while (true)
                {
                    try
                    {
                        var hasSessions = HttpSessionManager.GetAll().Where(m => DateTime.Now.Subtract(m.StartTime).TotalSeconds > 60 && m.RTPVideoType == Metadata.RTPVideoType.Http_Hls).ToList();//所有http 的 hls短链接
                        foreach (var item in hasSessions)
                        {
                            var key = $"{item.Sim}_{item.ChannelNo}";
                            HttpSessionManager.TryRemove(item.SessionId);//超过120s未访问。
                            //清楚所有hls文件
                            string filepath = Path.Combine(Configuration.HlsRootDirectory, key);
                            if (Directory.Exists(filepath))
                            {
                                Directory.Delete(filepath, true);
                            }
                            hLSPathStorage.RemoveAllPath(key);//移除所有缓存

                            if (logger.IsEnabled(LogLevel.Debug))
                            {
                                logger.LogDebug($"{System.Text.Json.JsonSerializer.Serialize(item)},清楚session");
                            }
                            var hasTcpSession  = HttpSessionManager.GetAllBySimAndChannelNo(item.Sim.TrimStart('0'), item.ChannelNo).Any(m => m.IsWebSocket);                                    //是否存在tcp的 socket链接
                            var httpFlvSession = HttpSessionManager.GetAllBySimAndChannelNo(item.Sim.TrimStart('0'), item.ChannelNo).Any(m => m.RTPVideoType == Metadata.RTPVideoType.Http_Flv); //是否存在http的 flv长链接
                            if (!hasTcpSession && !httpFlvSession)
                            {
                                //不存在websocket链接和http-flv链接时,主动断开设备链接以节省流量
                                //移除tcpsession,断开设备链接
                                if (SessionManager != null)
                                {
                                    SessionManager.RemoveByTerminalPhoneNo(item.Sim.TrimStart('0'));
                                }
                            }
                        }
                    }
                    catch (Exception ex)
                    {
                        logger.LogError(ex, ex.Message);
                    }
                    Thread.Sleep(TimeSpan.FromSeconds(30));//30s 执行一次
                }
            }, stoppingToken);
        }
        protected async override Task ExecuteAsync(CancellationToken stoppingToken)
        {
            while (!stoppingToken.IsCancellationRequested)
            {
                var data = await messageDispatchDataService.FlvChannel.Reader.ReadAsync();

                try
                {
                    if (Logger.IsEnabled(LogLevel.Debug))
                    {
                        Logger.LogDebug(JsonSerializer.Serialize(HttpSessionManager.GetAll()));
                        Logger.LogDebug($"{data.SIM},{data.SN},{data.LogicChannelNumber},{data.Label3.DataType.ToString()},{data.Label3.SubpackageType.ToString()},{data.Bodies.ToHexString()}");
                    }
                    string key = $"{data.GetKey()}_{ikey}";
                    if (data.Label3.DataType == Protocol.Enums.JT1078DataType.视频I帧)
                    {
                        memoryCache.Set(key, data);
                    }
                    var httpSessions      = HttpSessionManager.GetAllBySimAndChannelNo(data.SIM.TrimStart('0'), data.LogicChannelNumber);
                    var firstHttpSessions = httpSessions.Where(w => !w.FirstSend).ToList();
                    if (firstHttpSessions.Count > 0)
                    {
                        if (memoryCache.TryGetValue(key, out JT1078Package idata))
                        {
                            try
                            {
                            }
                            catch (Exception ex)
                            {
                                Logger.LogError(ex, $"{data.SIM},{true},{data.SN},{data.LogicChannelNumber},{data.Label3.DataType.ToString()},{data.Label3.SubpackageType.ToString()},{data.Bodies.ToHexString()}");
                            }
                        }
                    }
                    var otherHttpSessions = httpSessions.Where(w => w.FirstSend).ToList();
                    if (otherHttpSessions.Count > 0)
                    {
                        try
                        {
                        }
                        catch (Exception ex)
                        {
                            Logger.LogError(ex, $"{data.SIM},{false},{data.SN},{data.LogicChannelNumber},{data.Label3.DataType.ToString()},{data.Label3.SubpackageType.ToString()},{data.Bodies.ToHexString()}");
                        }
                    }
                }
                catch (Exception ex)
                {
                    Logger.LogError(ex, $"{data.SIM},{data.SN},{data.LogicChannelNumber},{data.Label3.DataType.ToString()},{data.Label3.SubpackageType.ToString()},{data.Bodies.ToHexString()}");
                }
            }
            await Task.CompletedTask;
        }
 protected override Task ExecuteAsync(CancellationToken stoppingToken)
 {
     PackageConsumer.OnMessage((Message) =>
     {
         var merge = JT1078.Protocol.JT1078Serializer.Merge(Message.Data);
         if (merge != null)
         {
             var httpSessions      = HttpSessionManager.GetAllBySimAndChannelNo(Message.Data.SIM, Message.Data.LogicChannelNumber);
             var firstHttpSessions = httpSessions.Where(w => !w.FirstSend).ToList();
             if (firstHttpSessions.Count > 0)
             {
                 var flvVideoBuffer = FlvEncoder.EncoderVideoTag(merge, true);
                 HttpSessionManager.SendAVData(firstHttpSessions, flvVideoBuffer, true);
             }
             var otherHttpSessions = httpSessions.Where(w => w.FirstSend).ToList();
             if (otherHttpSessions.Count > 0)
             {
                 var flvVideoBuffer = FlvEncoder.EncoderVideoTag(merge, false);
                 HttpSessionManager.SendAVData(otherHttpSessions, flvVideoBuffer, false);
             }
         }
     });
     return(Task.CompletedTask);
 }
 protected override Task ExecuteAsync(CancellationToken stoppingToken)
 {
     JT1078MsgConsumer.OnMessage((Message) =>
     {
         JT1078Package package = JT1078Serializer.Deserialize(Message.Data);
         if (Logger.IsEnabled(LogLevel.Debug))
         {
             Logger.LogDebug(JsonSerializer.Serialize(HttpSessionManager.GetAll()));
             Logger.LogDebug($"{package.SIM},{package.SN},{package.LogicChannelNumber},{package.Label3.DataType.ToString()},{package.Label3.SubpackageType.ToString()},{package.Bodies.ToHexString()}");
         }
         try
         {
             var merge = JT1078Serializer.Merge(package);
             if (merge == null)
             {
                 return;
             }
             string key = $"{package.GetKey()}_{ikey}";
             if (merge.Label3.DataType == Protocol.Enums.JT1078DataType.视频I帧)
             {
                 memoryCache.Set(key, merge);
             }
             var httpSessions      = HttpSessionManager.GetAllBySimAndChannelNo(package.SIM.TrimStart('0'), package.LogicChannelNumber);
             var firstHttpSessions = httpSessions.Where(w => !w.FirstSend).ToList();
             if (firstHttpSessions.Count > 0)
             {
                 if (memoryCache.TryGetValue(key, out JT1078Package idata))
                 {
                     try
                     {
                         var flvVideoBuffer = FlvEncoder.EncoderVideoTag(idata, true);
                         foreach (var session in firstHttpSessions)
                         {
                             HttpSessionManager.SendAVData(session, flvVideoBuffer, true);
                         }
                     }
                     catch (Exception ex)
                     {
                         Logger.LogError(ex, $"{package.SIM},{true},{package.SN},{package.LogicChannelNumber},{package.Label3.DataType.ToString()},{package.Label3.SubpackageType.ToString()},{package.Bodies.ToHexString()}");
                     }
                 }
             }
             var otherHttpSessions = httpSessions.Where(w => w.FirstSend).ToList();
             if (otherHttpSessions.Count > 0)
             {
                 try
                 {
                     var flvVideoBuffer = FlvEncoder.EncoderVideoTag(merge, false);
                     foreach (var session in otherHttpSessions)
                     {
                         HttpSessionManager.SendAVData(session, flvVideoBuffer, false);
                     }
                 }
                 catch (Exception ex)
                 {
                     Logger.LogError(ex, $"{package.SIM},{false},{package.SN},{package.LogicChannelNumber},{package.Label3.DataType.ToString()},{package.Label3.SubpackageType.ToString()},{package.Bodies.ToHexString()}");
                 }
             }
         }
         catch (Exception ex)
         {
             Logger.LogError(ex, $"{package.SIM},{package.SN},{package.LogicChannelNumber},{package.Label3.DataType.ToString()},{package.Label3.SubpackageType.ToString()},{package.Bodies.ToHexString()}");
         }
     });
     return(Task.CompletedTask);
 }
Esempio n. 5
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        protected async override Task ExecuteAsync(CancellationToken stoppingToken)
        {
            while (!stoppingToken.IsCancellationRequested)
            {
                var data = await messageDispatchDataService.FlvChannel.Reader.ReadAsync();

                try
                {
                    var nalus = H264Decoder.ParseNALU(data);
                    if (Logger.IsEnabled(LogLevel.Debug))
                    {
                        Logger.LogDebug(JsonSerializer.Serialize(HttpSessionManager.GetAll()));
                        Logger.LogDebug($"{data.SIM},{data.SN},{data.LogicChannelNumber},{data.Label3.DataType.ToString()},{data.Label3.SubpackageType.ToString()},{data.Bodies.ToHexString()}");
                    }
                    string key = $"{data.GetKey()}_{ikey}";
                    if (data.Label3.DataType == Protocol.Enums.JT1078DataType.视频I帧)
                    {
                        var moov = FM4Encoder.EncoderMoovBox(nalus.FirstOrDefault(f => f.NALUHeader.NalUnitType == NalUnitType.SPS),
                                                             nalus.FirstOrDefault(f => f.NALUHeader.NalUnitType == NalUnitType.PPS));
                        memoryCache.Set(key, moov);
                    }
                    var httpSessions      = HttpSessionManager.GetAllBySimAndChannelNo(data.SIM.TrimStart('0'), data.LogicChannelNumber);
                    var firstHttpSessions = httpSessions.Where(w => !w.FirstSend).ToList();
                    if (firstHttpSessions.Count > 0)
                    {
                        try
                        {
                            var flvVideoBuffer = FM4Encoder.EncoderFtypBox();
                            memoryCache.TryGetValue(key, out byte[] moovBuffer);
                            foreach (var session in firstHttpSessions)
                            {
                                HttpSessionManager.SendAVData(session, flvVideoBuffer, true);
                                if (moovBuffer != null)
                                {
                                    HttpSessionManager.SendAVData(session, moovBuffer, false);
                                }
                            }
                        }
                        catch (Exception ex)
                        {
                            Logger.LogError(ex, $"{data.SIM},{true},{data.SN},{data.LogicChannelNumber},{data.Label3.DataType.ToString()},{data.Label3.SubpackageType.ToString()},{data.Bodies.ToHexString()}");
                        }
                    }
                    var otherHttpSessions = httpSessions.Where(w => w.FirstSend).ToList();
                    if (otherHttpSessions.Count > 0)
                    {
                        try
                        {
                            if (!avFrameDict.TryGetValue(key, out List <H264NALU> frames))
                            {
                                frames = new List <H264NALU>();
                                avFrameDict.TryAdd(key, frames);
                            }
                            foreach (var nalu in nalus)
                            {
                                if (nalu.Slice)
                                {
                                    //H264 NALU slice first_mb_in_slice
                                    frames.Add(nalu);
                                }
                                else
                                {
                                    if (nalus.Count > 0)
                                    {
                                        var otherBuffer = FM4Encoder.EncoderOtherVideoBox(frames);
                                        foreach (var session in otherHttpSessions)
                                        {
                                            if (otherBuffer != null)
                                            {
                                                HttpSessionManager.SendAVData(session, otherBuffer, false);
                                            }
                                        }
                                        frames.Clear();
                                    }
                                    frames.Add(nalu);
                                }
                            }
                        }
                        catch (Exception ex)
                        {
                            Logger.LogError(ex, $"{data.SIM},{false},{data.SN},{data.LogicChannelNumber},{data.Label3.DataType.ToString()},{data.Label3.SubpackageType.ToString()},{data.Bodies.ToHexString()}");
                        }
                    }
                }
                catch (Exception ex)
                {
                    Logger.LogError(ex, $"{data.SIM},{data.SN},{data.LogicChannelNumber},{data.Label3.DataType.ToString()},{data.Label3.SubpackageType.ToString()},{data.Bodies.ToHexString()}");
                }
            }
            await Task.CompletedTask;
        }