Java实现Linux下双守护进程(3)

 public class GuardAMain {
     public static void main(String[] args) throws Exception {
         GuardA guardA = new GuardA();
         Configure configure = new Configure();
         GuardServer server = new GuardServer(configure.getServername());
         while (true) {
             // 如果GuardB未运行 运行GuardB
             if (!guardA.checkGuardB()) {
                 System.out.println("Start GuardB.....");
                 Runtime.getRuntime().exec(configure.getStartguardb());
             }
             // 检测服务器存活
             if (server.checkServer() <= 0) {
                 boolean isServerDown = true;
                 // trip check
                 for (int i = 0; i < 3; i++) {
                     // 如果服务是存活着
                     if (server.checkServer() > 0) {
                         isServerDown = false;
                         break;
                     }
                 }
                 if (isServerDown)
                     server.startServer(configure.getStartserver());
             }
             Thread.sleep(configure.getInterval());
         }
     }
 }