private void AcceptClient(IAsyncResult ar)
{
if (!(ar.AsyncState is Socket listener))
{
return;
}
try
{
var client = listener.EndAccept(ar);
var address = client?.RemoteEndPoint.ToString();
if (address != null)
{
Trace.TraceInformation("ModbusSlave: Client connected " + address);
_connectedMasters.Add(client);
Connected?.Invoke(address);
LastAccess = DateTime.Now;
var codec = new ModbusTcpCodec();
var server = new ModbusServer(codec)
{
Address = Id
};
var host = new TcpServer(client, server)
{
IdleTimeout = 60
};
host.ServeCommand += ListenerServeCommand;
host.Start();
host.Disconnected += () => OnClientDisconnected(client, address);
}
listener.BeginAccept(AcceptClient, listener);
}
catch (ObjectDisposedException)
{
// listener terminated
}
catch (Exception ex)
{
Trace.TraceError(ex.Message);
}
}
public ConnectedSlave(ModbusMaster master, Socket connection, byte id)
{
Master = master;
_socketConnection = connection;
CommClient = _socketConnection.GetClient();
if (connection.RemoteEndPoint is IPEndPoint ipEndPoint)
{
Address = ipEndPoint.Address;
Port = (ushort)ipEndPoint.Port;
}
else
{
throw new NotSupportedException("ConnectedSlave without IP endpoint");
}
Id = id;
var codec = new ModbusTcpCodec();
_client = new ModbusClient(codec)
{
Address = Id
};
_failures = 0;
}
