www.pudn.com > network-java.rar > IPSavingThread$.java

package netManager.discovery.pinger; 
 
/** 
 * 
Title: IPSavingThread(已废弃) 
 
 * 
Description: 	保存在线IP地址线程 
 *					通过JNI调用C++写的Ping.dll，测试该IP地址是否在线， 
 *					如果在线则保存的数据库中。
 
 * 
Copyright: Copyright (c) 2006 
 
 * 
Company: 
 
 * @author：谢飞 
 * @version 1.0 
 */ 
  
 import org.apache.commons.logging.Log; 
 import org.apache.commons.logging.LogFactory; 
  
 public class IPSavingThread extends Thread{ 
 	 
 	private int iden;							//标识ID 1-该IP主机在线 0-不在线 
 	private String HostIP;						//测试IP 
 	private boolean runningFlag; 
 	private Log log = LogFactory.getLog("IPSavingThread"); 
 	 
 	public IPSavingThread(){ 
 		runningFlag = false; 
 	} 
 	 
 	public boolean isRunning(){ 
		return runningFlag; 
	} 
	 
	public synchronized void setRunning(boolean flag){ 
		runningFlag = flag; 
		if(runningFlag == true){ 
			this.notify();						//唤醒线程 
		} 
	} 
	 
	public void setHostIP(String HostIP){ 
		this.HostIP = HostIP; 
	} 
 	 
 	/* 
 	static String path = System.getProperty("user.dir"); 
 	 
 	static { 
 		System.load(path + "/ping");			//调用ping.dll执行ping 
 	} 
 	*/ 
 	 
 	//private native int ping(String HostIP); 
 	 
 	public synchronized void run(){				//注意此方法必须同步  
 		try{ 
 			while(true){ 
 				if(!runningFlag){ 
 					this.wait();				//线程启动后默认为睡眠 
 				} 
 				else{ 
 					//iden = this.ping(HostIP); 
 					//System.out.println(iden); 
 					//lSystem.out.println(HostIP); 
 					log.error(HostIP); 
 					setRunning(false); 
 				} 
 			} 
 		} 
 		catch(Exception e){ 
 			e.printStackTrace(); 
 			log.error(e);	 
 		}		 
 	} 
 	 
 }