package org.kne.cloud.network.klalb;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
import java.util.Scanner;

public class KLALBSM {
	public static List<ServiceElement> services=new ArrayList<ServiceElement>();

	public static List<Tunnel> tunnels=new ArrayList<Tunnel>();
	public static void main(String[] args) throws IOException {
		File f=new File("klalbs.ini");
		if(!f.exists()) {
			f.createNewFile();
			ept();
			return;
		}
		if(f.length()<=0) {
			ept();
			return;
		}
		Scanner scn=new Scanner(f);
		int remp=scn.nextInt();
		System.out.println("KNE云负载均衡调度软件服务端V0.1");
		System.out.println("开放端口："+remp);
		int x=0;
		System.out.println("服务列表：");
		while(scn.hasNext()	) {
			String s=scn.next();
			if(">".equals(s)) {
				x++;
				System.out.println("隧道列表：");
				continue;
			}
			switch(x) {
			case 0:
			ServiceElement se=new ServiceElement(s);
			System.out.println(se);
			services.add(se);
			break;
			case 1:
				Tunnel t=new Tunnel(s);
				System.out.println(t);
				tunnels.add(t);
				break;
			}
			
		}
		scn.close();
		new KLALBServer(remp,services,tunnels);
		System.out.println("提示：运行时输入reload可以重新加载配置文件，已经建立的TCP连接不受影响(暂不支持修改开放端口)");
		Scanner scn2=new Scanner(System.in);
		while(true) {
			String command=scn2.next();
			switch(command) {
			case "reload":
				synchronized (services) {
					synchronized(tunnels) {
					 scn=new Scanner(f);
					services.clear();
					tunnels.clear();
					 remp=scn.nextInt();
					 x=0;
					 System.out.println("服务列表：");
						while(scn.hasNext()	) {
							String s=scn.next();
							if(">".equals(s)) {
								x++;
								System.out.println("隧道列表：");
								continue;
							}
							switch(x) {
							case 0:
							ServiceElement se=new ServiceElement(s);
							System.out.println(se);
							services.add(se);
							break;
							case 1:
								Tunnel t=new Tunnel(s);
								System.out.println(t);
								tunnels.add(t);
								break;
							}
							
						}
					scn.close();
				}
				}
				break;
			}
		}
	}

	private static void ept() {
		System.out.println("请填写配置文件后再启动程序!");
		System.out.println("格式：");
		System.out.println("开放端口");
		System.out.println("服务协议1$服务地址1$服务端口1");
		System.out.println("服务协议2$服务地址2$服务端口2");
		System.out.println("......");
		System.out.println("服务协议n$服务地址n$服务端口n");
		System.out.println(">");
		System.out.println("隧道名称1$隧道地址1$隧道端口1");
		System.out.println("隧道名称2$隧道地址2$隧道端口2");
		System.out.println("......");
		System.out.println("隧道名称n$隧道地址n$隧道端口n");
		System.out.println("");
		System.out.println("按照顺序从上向下匹配，若都不是则匹配最后一个");
	}

}