public Task StartAsync(CancellationToken cancellationToken)
{
Logger.LogInformation($"JT1078 Tcp Server start at {IPAddress.Any}:{Configuration.TcpPort}.");
Task.Factory.StartNew(async() =>
{
while (!cancellationToken.IsCancellationRequested)
{
var socket = await server.AcceptAsync();
JT1078TcpSession jT808TcpSession = new JT1078TcpSession(socket);
SessionManager.TryAdd(jT808TcpSession);
await Task.Factory.StartNew(async(state) =>
{
var session = (JT1078TcpSession)state;
if (Logger.IsEnabled(LogLevel.Information))
{
Logger.LogInformation($"[Connected]:{session.Client.RemoteEndPoint}");
}
var pipe = new Pipe();
Task writing = FillPipeAsync(session, pipe.Writer);
Task reading = ReadPipeAsync(session, pipe.Reader);
await Task.WhenAll(reading, writing);
SessionManager.RemoveBySessionId(session.SessionID);
}, jT808TcpSession);
}
}, cancellationToken);
return(Task.CompletedTask);
}
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
while (!stoppingToken.IsCancellationRequested)
{
try
{
List <string> sessionIds = new List <string>();
foreach (var item in SessionManager.GetUdpAll())
{
if (item.ActiveTime.AddSeconds(Configuration.CurrentValue.UdpReaderIdleTimeSeconds) < DateTime.Now)
{
sessionIds.Add(item.SessionID);
}
}
foreach (var item in sessionIds)
{
SessionManager.RemoveBySessionId(item);
}
if (Logger.IsEnabled(LogLevel.Information))
{
Logger.LogInformation($"[Check Receive Timeout]");
Logger.LogInformation($"[Session Online Count]:{SessionManager.UdpSessionCount}");
}
}
catch (Exception ex)
{
Logger.LogError(ex, $"[Receive Timeout]");
}
finally
{
await Task.Delay(TimeSpan.FromSeconds(Configuration.CurrentValue.UdpReceiveTimeoutCheckTimeSeconds), stoppingToken);
}
}
}