private static async Task ManyAcceptConnections(CancellationToken token)
{
while (!token.IsCancellationRequested)
{
try
{
var client = await ManyListener.AcceptTcpClientAsync();
Logger.Warn($"设备已连接,IP:{client.Client.RemoteEndPoint}");
var md = new ManyMetadata(client);
Clients.TryAdd(client.Client.RemoteEndPoint.ToString(), md);
Logger.Info($"设备连接数：{Clients.Count}");
#pragma warning disable 4014
Task.Run(() => ManyDataReceiver(md), md.Token);
#pragma warning restore 4014
}
catch (Exception e)
{
Logger.Info(e.Message);
}
}
}
private static async Task ManyDataReceiver(ManyMetadata md)
{
var header = "[" + md.TcpClient.Client.RemoteEndPoint.ToString() + "]";
Logger.Info($"{header} many data receiver started");
try
{
while (true)
{
if (!IsClientConnected(md.TcpClient))
{
Logger.Error(header + $" client no longer connected[{md.LinkId}]");
break;
}
if (Token.IsCancellationRequested)
{
Logger.Info(header + " cancellation requested");
break;
}
var data = await DataReadAsync(md.TcpClient, Token);
if (data == null || data.Length < 1)
{
Thread.Sleep(100);
continue;
}
Logger.Info($"[M-1][{md.TcpClient.Client.RemoteEndPoint}]:{StringHelper.BytesToHexString(data)}");
var length = data.Length;
var linkId = 0;
if (data.Length > 3)
{
var linkIdHigh = data[2];
var linkIdLow = data[3];
linkId = (linkIdHigh << 8) | (linkIdLow);
switch (data[1])
{
case 0xC7:
Logger.Info($"收到连接[4][{Clients.Count}][{linkId}]注册包");
break;
case 0xC8:
Logger.Info($"收到连接[4][{Clients.Count}][{linkId}]心跳包");
break;
}
}
}
}
catch (Exception e)
{
Logger.Info(
Environment.NewLine +
header +
" ManyDataReceiver Exception: " +
Environment.NewLine +
e.ToString() +
Environment.NewLine +
e.StackTrace
);
}
Logger.Info(header + " data receiver terminating");
Clients.TryRemove(md.TcpClient.Client.RemoteEndPoint.ToString(), out _);
md.Dispose();
}
