public ProtocolHandler(Transport transport,
SiemensPlcProtocolContext s7Context,
Action <ProtocolHandler, ConnectionState> connectionStateChanged,
ILoggerFactory loggerFactory,
Action <Socket> newSocketConnected = null,
IPlcDataProvider provider = null)
{
_logger = loggerFactory?.CreateLogger <ProtocolHandler>();
_transport = transport;
_s7Context = s7Context;
_connectionStateChanged = connectionStateChanged;
_loggerFactory = loggerFactory;
_newSocketConnected = newSocketConnected;
_provider = provider;
_logger?.LogDebug("S7Protocol-Timeout is {0} ms", _s7Context.Timeout);
SetupTransport(transport, loggerFactory);
}
private static async Task <int> Serve(ServerOptions options, ILoggerFactory loggerFactory)
{
Dacs7Client client = null;
IPlcDataProvider provider = null;
if (string.IsNullOrWhiteSpace(options.DataProvider) || options.DataProvider.Equals("Simulation", StringComparison.InvariantCultureIgnoreCase))
{
if (options.Tags != null)
{
foreach (var item in options.Tags)
{
var ri = ReadItem.CreateFromTag(item);
Console.WriteLine($"Register tag {item}");
SimulationPlcDataProvider.Instance.Register(ri.Area, ri.NumberOfItems, ri.DbNumber);
}
}
Console.WriteLine("Using Simulation Provider!");
provider = SimulationPlcDataProvider.Instance;
}
else if (options.DataProvider.Equals("Relay", StringComparison.InvariantCultureIgnoreCase))
{
client = new Dacs7Client(options.Address, PlcConnectionType.Pg, 5000, loggerFactory)
{
MaxAmQCalled = (ushort)options.MaxJobs,
MaxAmQCalling = (ushort)options.MaxJobs,
PduSize = options.MaxPduSize
};
RelayPlcDataProvider.Instance.UseClient(client);
Console.WriteLine("Using Relay Provider!");
provider = RelayPlcDataProvider.Instance;
}
var server = new Dacs7Server(options.Port, provider, loggerFactory)
{
MaxAmQCalled = (ushort)options.MaxJobs,
MaxAmQCalling = (ushort)options.MaxJobs,
PduSize = (ushort)480
};
var logger = loggerFactory?.CreateLogger("Dacs7Cli.Serve");
try
{
Console.WriteLine($"Started serving on port {options.Port} !");
await server.ConnectAsync();
if (client != null)
{
await client.ConnectAsync();
}
Console.WriteLine("Please press any key to stop serving!");
Console.ReadKey();
}
catch (Exception ex)
{
logger?.LogError($"An error occured in Serve: {ex.Message} - {ex.InnerException?.Message}");
return(1);
}
finally
{
if (client != null)
{
await client.DisconnectAsync();
}
await server.DisconnectAsync();
}
return(0);
}
