Re: How can I detect a carriage return using java.net

... and the following program demonstrates clearly that I am stone cold
motherless wrong.

The only way it prints the RST line is if the write line is enabled. It
can't tell the difference between a reset and a FIN when reading.

=====================================

import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;

public class SocketResetTest
{

    /** Creates a new instance of SocketResetTest */
    public static void main(String[] args) throws IOException
    {
        ServerSocket ss = new ServerSocket(0);
        Socket cs = new Socket("localhost", ss.getLocalPort());
        Socket cc = ss.accept();
        cc.getOutputStream().write("Hello".getBytes());
        cc.setSoLinger(false, 0);
        cc.close();
        ss.close();
        try
        {
            // This write detects the RST.
            // Without it, the read detects the EOS.
// cs.getOutputStream().write("H".getBytes());
            int c;
            while ((c = cs.getInputStream().read()) > 0)
                System.out.print((char)c);
            System.out.println("");
            System.out.println("Detected an EOS, seemed like a FIN");
        }
        catch (IOException exc)
        {
            System.out.println("Detected an error, seemed like an RST");
        }
        cs.close();
    }

}