public Task StartAsync(CancellationToken cancellationToken)
{
process.Start();
Task.Run(() =>
{
while (true)
{
try
{
Console.WriteLine("IsConnected>>>" + pipeServerOut.IsConnected);
if (pipeServerOut.IsConnected)
{
if (pipeServerOut.CanRead)
{
Span <byte> v1 = new byte[2048];
var length = pipeServerOut.Read(v1);
var realValue = v1.Slice(0, length).ToArray();
if (realValue.Length <= 0)
{
continue;
}
if (flvFirstPackage == null)
{
flvFirstPackage = realValue;
}
if (jT1078HttpSessionManager.GetAll().Count() > 0)
{
foreach (var session in jT1078HttpSessionManager.GetAll())
{
if (!exists.ContainsKey(session.Channel.Id.AsShortText()))
{
session.SendHttpFirstChunkAsync(flvFirstPackage);
exists.TryAdd(session.Channel.Id.AsShortText(), 0);
}
session.SendHttpOtherChunkAsync(realValue);
}
}
//Console.WriteLine(JsonConvert.SerializeObject(realValue)+"-"+ length.ToString());
}
}
else
{
if (!pipeServerOut.IsConnected)
{
Console.WriteLine("WaitForConnection Star...");
pipeServerOut.WaitForConnectionAsync().Wait(300);
Console.WriteLine("WaitForConnection End...");
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}
});
return(Task.CompletedTask);
}
public Task StartAsync(CancellationToken cancellationToken)
{
Task.Run(() =>
{
try
{
Stopwatch stopwatch = new Stopwatch();
foreach (var item in jT1078WSFlvDataService.JT1078Packages.GetConsumingEnumerable())
{
stopwatch.Start();
var flv3 = FlvEncoder.CreateFlvFrame(item);
stopwatch.Stop();
if (flvEncodingLogger.IsEnabled(LogLevel.Debug))
{
long times = stopwatch.ElapsedMilliseconds;
flvEncodingLogger.LogDebug($"flv encoding {times.ToString()}ms");
}
stopwatch.Reset();
if (flv3 == null)
{
continue;
}
if (jT1078HttpSessionManager.GetAll().Count() > 0)
{
foreach (var session in jT1078HttpSessionManager.GetAll())
{
if (!exists.ContainsKey(session.Channel.Id.AsShortText()))
{
exists.TryAdd(session.Channel.Id.AsShortText(), 0);
string key = item.GetKey();
//ws-flv
//session.SendBinaryWebSocketAsync(FlvEncoder.GetFirstFlvFrame(key, flv3));
//http-flv
var buffer = FlvEncoder.GetFirstFlvFrame(key, flv3);
if (buffer != null)
{
flvEncodingLogger.LogDebug(JsonConvert.SerializeObject(buffer));
session.SendHttpFirstChunkAsync(buffer);
}
continue;
}
//ws-flv
//session.SendBinaryWebSocketAsync(flv3);
//http-flv
session.SendHttpOtherChunkAsync(flv3);
}
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
});
return(Task.CompletedTask);
}
public HLSRequestManager(
IMemoryCache memoryCache,
IOptions <JT1078Configuration> jT1078ConfigurationAccessor,
JT1078HttpSessionManager httpSessionManager,
JT1078SessionManager sessionManager,
FileSystemWatcher fileSystemWatcher,
ILoggerFactory loggerFactory)
{
this.memoryCache = memoryCache;
this.fileSystemWatcher = fileSystemWatcher;
HttpSessionManager = httpSessionManager;
SessionManager = sessionManager;
Configuration = jT1078ConfigurationAccessor.Value;
Logger = loggerFactory.CreateLogger <HLSRequestManager>();
Task.Run(() => {
while (true)
{
var expireds = HttpSessionManager.GetAll().Where(m => DateTime.Now.Subtract(m.StartTime).TotalSeconds > 20).ToList();
foreach (var item in expireds)
{
//移除httpsession
HttpSessionManager.TryRemoveBySim(item.Sim);
//移除tcpsession
SessionManager.RemoveByTerminalPhoneNo(item.Sim);
}
Thread.Sleep(TimeSpan.FromSeconds(10));
}
});
}
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 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 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, $"{package.SIM},{package.SN},{package.LogicChannelNumber},{package.Label3.DataType.ToString()},{package.Label3.SubpackageType.ToString()},{package.Bodies.ToHexString()}");
}
});
return(Task.CompletedTask);
}
protected async override Task ExecuteAsync(CancellationToken stoppingToken)
{
while (!stoppingToken.IsCancellationRequested)
{
var data = await messageDispatchDataService.FlvChannel.Reader.ReadAsync();
try
{
var nalus = H264Decoder.ParseNALU(data);
if (Logger.IsEnabled(LogLevel.Debug))
{
Logger.LogDebug(JsonSerializer.Serialize(HttpSessionManager.GetAll()));
Logger.LogDebug($"{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;
}
