package logToMySQL;
import java.net.*;
import java.text.DateFormat;
import java.util.*;

public class SyslogListener {
	final static LogReader curr = new LogReader();

	public static void main(String[] argv) {
		TimeZone tz = TimeZone.getTimeZone("ETC/GMT-8");
		TimeZone.setDefault(tz); 
		DatagramSocket ds = null;
		DatagramPacket dp = null;
		
		byte[] buf = new byte[1024];
		String log;
		InetAddress addr = null;
		
		LogConfigure.loadConfig();
		System.out.println(getTime());
		if (LogReader.existConfig)
		try {
			addr = Inet4Address.getByName("192.168.65.1");
            ds = new DatagramSocket(514,addr);
           	dp = new DatagramPacket(buf,1000);
           	System.out.println("Listening......");
            while(true) {
            	ds.receive(dp);
            	log = new String(Arrays.copyOf(buf, dp.getLength()));
            	log = getTime() + log;
            	curr.processNewLog(log);
            	System.out.println(log);
            }
        }catch(BindException e){
        	System.out.println("Error:An error occurred while attempting to bind a socket to a local address and port.");
        	System.out.println("Another instance may be in running.");
        }
		catch (Exception e) {
            e.printStackTrace();
        }
	}
	
	public static String getTime() {
		return DateFormat.getDateTimeInstance(DateFormat.LONG,DateFormat.MEDIUM,Locale.ENGLISH).format(new Date())+" ";
	}
}