package org.quickcached;



import org.quickserver.net.*;

import org.quickserver.net.server.*;



import java.io.*;

import java.lang.management.ManagementFactory;

import java.util.Map;

import org.apache.log4j.xml.DOMConfigurator;



public class QuickCached {

	public static final String app_version = "1.1.0";

	

    public static String version = "1.1.0";

    public static boolean DEBUG = false;

    private static final int KEY_MAX_LENGTH = 250;

	private static QuickServer quickcached;



    public static void main(String args[]) throws Exception {

        int i = 0;

        String arg = null;

        String value = null;



		

		if(args.length!=0) {

			while (i < args.length) {

				arg = args[i];

				i++;

				

				if(arg.startsWith("-")==false) continue;

				

				if (arg.equals("-v") || arg.equals("-vv")) {

					SetupLoggingHook.setMakeLogFile(true);



					File log = new File("./log/");



					if(log.canRead()==false) {

						boolean flag = log.mkdirs();

						if(flag==false) {

							System.out.println("Unable to create log folder!");

						}

					}

					DOMConfigurator.configure("conf/log4j_debug.xml");

				} else {

					DOMConfigurator.configure("conf/log4j.xml");

				}



				if (arg.equals("-vv")) {

					DEBUG = true;

				}

			}

		} else {

			DOMConfigurator.configure("conf/log4j.xml");

		}

		

		

        String confFile = "conf" + File.separator + "QuickCached.xml";

        Object config[] = new Object[]{confFile};



        quickcached = new QuickServer();

        quickcached.initService(config);

		

		Map configMap = quickcached.getConfig().getApplicationConfiguration();

		version = (String) configMap.get("MEMCACHED_VERSION_TO_SHOW");

		if(version==null) {

			version = "1.4.6";

		}

		



        //CLI

        //-l <ip_addr>

        //Listen on <ip_addr>; default to INDRR_ANY.

        //This is an important option to consider as there is no other way to secure the installation.

        //Binding to an internal or firewalled network interface is suggested

        //-c <num>

        //Use <num> max simultaneous connections; the default is 1024.

        //-p <num>

        //Listen on TCP port <num>, the default is port 11211.

        //-v

        //Be verbose during the event loop; print out errors and warnings.

        //-vv

        //Be even more verbose; same as -v but also print client commands and responses.



        i = 0;

        while (i < args.length) {

            arg = args[i];

			i++;

			if(i < args.length) value = args[i];



			if(arg.startsWith("-")==false) continue;



            if (arg.equals("-l")) {    

                quickcached.setBindAddr(value);

            } else if (arg.equals("-p")) {

                quickcached.setPort(Integer.parseInt(value));

            } else if (arg.equals("-c")) {

                quickcached.setMaxConnection(Integer.parseInt(value));

            } else if (arg.equals("-h")) {

                printHelp();



                return;

            } else if (arg.equals("-v") || arg.equals("-vv")) {

				//nothing here

			} else {

                //print help - TODO

                System.out.println("Error: Bad argument passed - " + arg);

				printHelp();

                return;

            }

        }



        try {

            if (quickcached != null) {

                quickcached.startServer();

            }

        } catch (AppException e) {

            System.out.println("Error starting server : " + e);

            e.printStackTrace();

        }

    }



	public static String getPID() {

		String pid = ManagementFactory.getRuntimeMXBean().getName();

		int i = pid.indexOf("@");

		pid = pid.substring(0, i);

		return pid;

	}

	

	public static int getPort() {

		return quickcached.getPort();

	}



	public static void printHelp() {

		System.out.println("QuickCached " + version);

		System.out.println("-p <num>      TCP port number to listen on (default: 11211)");

		System.out.println("-l <ip_addr>  interface to listen on (default: INADDR_ANY, all addresses)");

		System.out.println("-c <num>      max simultaneous connections");

		System.out.println("-v            verbose (print errors/warnings while in event loop). Creates logs in log folder");

		System.out.println("-vv           very verbose (also print client commands/reponses). Debut Mode");

		System.out.println("-h            print this help and exit");

	}

}