private static ValidationListener AnalyzeScript(string script)
{
var inputStream = new AntlrInputStream(script);
var lexer = new LightCommandLexer(inputStream);
var tokenStream = new CommonTokenStream(lexer);
var parser = new LightCommandParser(tokenStream);
var listener = new ValidationListener();
parser.RemoveErrorListeners();
parser.AddErrorListener(listener);
parser.script();
return(listener);
}
public static void Main()
{
TcpListener server = null;
try
{
// Set the TcpListener on port 13000.
int port = 9999;
IPAddress localAddr = IPAddress.Parse("127.0.0.1");
// TcpListener server = new TcpListener(port);
server = new TcpListener(localAddr, port);
// Start listening for client requests.
server.Start();
// Buffer for reading data
// Based on default buffer size for listener: https://github.com/tom-2015/rpi-ws2812-server/blob/e99cf3e5511295721ecb4c8a39819239942d54c6/main.c#L20
byte[] bytes = new byte[32768];
// Enter the listening loop.
while (true)
{
Console.Write("Waiting for a connection... ");
// Perform a blocking call to accept requests.
// You could also user server.AcceptSocket() here.
TcpClient client = server.AcceptTcpClient();
Console.WriteLine("Connected!");
// Get a stream object for reading and writing
NetworkStream stream = client.GetStream();
int i = stream.Read(bytes, 0, bytes.Length);
// Translate data bytes to a ASCII string.
string data = Encoding.ASCII.GetString(bytes, 0, i);
Console.WriteLine("Received: {0}", data);
// Validate the script.
ValidationListener result = LightCommandAnalyzer.AnalyzeScript(data);
if (result.ErrorCount != 0)
{
Console.WriteLine("{0} errors detected", result.ErrorCount);
foreach (string error in result.Errors)
{
Console.WriteLine("error: {0}", error);
}
}
else
{
Console.WriteLine("Script is valid.");
}
// Shutdown and end connection - ws2812x server doesn't send any responses
client.Close();
}
}
catch (SocketException e)
{
Console.WriteLine("SocketException: {0}", e);
}
finally
{
// Stop listening for new clients.
server.Stop();
}
Console.WriteLine("\nHit enter to continue...");
Console.Read();
}
