public void Shutdown()
{
try
{
Dictionary <string, CancellationTokenSource> .Enumerator sourceEn = sources.GetEnumerator();
while (sourceEn.MoveNext())
{
try
{
CancellationTokenSource cts = sourceEn.Current.Value;
cts.Cancel();
}
catch { }
}
sources.Clear();
Dictionary <string, VirtualRtuAdapter> .Enumerator adapterEn = adapters.GetEnumerator();
while (adapterEn.MoveNext())
{
try
{
VirtualRtuAdapter adapter = adapterEn.Current.Value;
adapter.Dispose();
}
catch { }
}
adapters.Clear();
}
catch { }
listener.Stop();
}
public async Task RunAsync()
{
listener = new TcpListener(new IPEndPoint(GetIPAddress(System.Net.Dns.GetHostName()), 502));
listener.ExclusiveAddressUse = false;
listener.Start();
while (true)
{
try
{
TcpClient tcpClient = await listener.AcceptTcpClientAsync();
tcpClient.LingerState = new LingerOption(true, 0);
tcpClient.NoDelay = true;
tcpClient.Client.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
CancellationTokenSource cts = new CancellationTokenSource();
IChannel channel = ChannelFactory.Create(false, tcpClient, 1024, 1024 * 100, cts.Token);
RtuMap map = await RtuMap.LoadAsync(config.RtuMapSasUri); //load RTU map so always up to date.
VirtualRtuAdapter adapter = new VirtualRtuAdapter(map, channel);
adapters.Add(adapter.Id, adapter);
sources.Add(adapter.Id, cts);
adapter.OnError += Adapter_OnError;
adapter.OnClose += Adapter_OnClose;
await adapter.StartAsync();
}
catch (Exception ex)
{
OnError?.Invoke(this, new ListenerErrorEventArgs(ex));
}
}
}