package?lsl.ping;

import?java.io.BufferedReader;
import?java.io.IOException;
import?java.io.InputStreamReader;
import?java.util.regex.Pattern;


public?class?Ping?{
	private?static?int?TIME_OUT?=?3000;
	private?String?ip;
	private?Pattern?pattern;
	private??int?pingTimes?=?4;
	private??boolean?isReachable?=?false;
	public?Runtime?runtime;
	public?Ping（String?ip）?{
		this.ip?=?ip;
		runtime?=?Runtime.getRuntime（）;
		pattern=Pattern.compile（“（\\d+）ms\\s+TTL=（\\d+）“Pattern.CASE_INSENSITIVE）;
	}
	@SuppressWarnings（“finally“）
	public?BufferedReader?ping（）{
		String??pingCommand=?“ping?“?+?this.ip?+?“?-n?“?+?pingTimes????+?“?-w?“?+?TIME_OUT;??

		BufferedReader?buff?=?null;
		try{
			Process?process=runtime.exec（pingCommand）;
			if（process?==?null）?{
				return?buff;
			}else{
				buff?=?new?BufferedReader（new?InputStreamReader（process.getInputStream（）））;
			}
		}catch?（IOException?e）?{			
			e.printStackTrace（）;
		}finally{
			return?buff;
		}
		
	}

	//把ip地址換成長整形
	public?static?long?ipToLong（String?ip）{
		String?ips[]?=?ip.split（“[.]“）;
		return?（long）?（Math.pow（224）*Long.parseLong（ips[0]）?+?Math.pow（216）*Long.parseLong（ips[1]）
				+?Math.pow（28）*Long.parseLong（ips[2]）?+?Long.parseLong（ips[3]））;
	}
	
	public?static?String??longToIP（long?ip）{
		long?mark[]?=?{?0x000000FF?0x0000FF00?0x00FF0000?0xFF000000?};
		long?num?=?0;
		StringBuffer?ipAddress?=?new?StringBuffer（）;
		for（int?i?=?0;i<4;i++）{
			num?=?（ip?&?mark[i]）?>>?（i?*?8）;
			if（i?>?0）{
				ipAddress.insert（0?“.“）;
			}
			ipAddress.insert（0?Long.toString（num?10））;
		}
		return?ipAddress.toString（）;
	}
	
	
	
	public?boolean?getIsReachable（）{
		return?this.isReachable;
	}
	public?void?setIsReachable（boolean?bool）?{
		this.isReachable?=?bool;
	}
	public?Pattern?getPattern（）{
		return?this.pattern;
	}
	public?String?getIp（）{
		return?this.ip;
	}
	
	public?static?void?main（String?args[]）{
		new?Pingframe（）.setVisible（true）;
	}
}

?屬性????????????大小?????日期????時間???名稱
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?????文件??????11940??2017-06-29?11:32??林社亮計網課設\lsl.ping.jar

?????文件????????301??2016-06-30?23:30??林社亮計網課設\Ping\.classpath

?????文件????????380??2017-06-29?12:10??林社亮計網課設\Ping\.project

?????文件????????598??2016-06-30?23:30??林社亮計網課設\Ping\.settings\org.eclipse.jdt.core.prefs

?????文件???????3363??2018-05-21?17:11??林社亮計網課設\Ping\bin\lsl\ping\Ping.class

?????文件???????1130??2016-07-07?16:48??林社亮計網課設\Ping\bin\lsl\ping\Ping.jardesc

?????文件????????665??2018-05-21?17:11??林社亮計網課設\Ping\bin\lsl\ping\Pingframe$1.class

?????文件????????722??2018-05-21?17:11??林社亮計網課設\Ping\bin\lsl\ping\Pingframe$2.class

?????文件???????2967??2018-05-21?17:11??林社亮計網課設\Ping\bin\lsl\ping\Pingframe.class

?????文件???????3337??2018-05-21?17:11??林社亮計網課設\Ping\bin\lsl\ping\PingRunnable.class

?????文件???????1130??2016-07-07?16:48??林社亮計網課設\Ping\src\lsl\ping\Ping.jardesc

?????文件???????2006??2017-06-29?12:08??林社亮計網課設\Ping\src\lsl\ping\Ping.java

?????文件???????3003??2017-06-29?12:10??林社亮計網課設\Ping\src\lsl\ping\Pingframe.java

?????文件???????2207??2017-06-29?12:10??林社亮計網課設\Ping\src\lsl\ping\PingRunnable.java

?????文件?????353280??2017-06-29?11:41??林社亮計網課設\計網課設實驗報告.doc

?????目錄??????????0??2018-05-21?17:11??林社亮計網課設\Ping\bin\lsl\ping

?????目錄??????????0??2017-06-29?21:39??林社亮計網課設\Ping\src\lsl\ping

?????目錄??????????0??2018-05-21?17:11??林社亮計網課設\Ping\bin\lsl

?????目錄??????????0??2017-06-29?21:39??林社亮計網課設\Ping\src\lsl

?????目錄??????????0??2017-06-29?21:39??林社亮計網課設\Ping\.settings

?????目錄??????????0??2018-05-21?17:11??林社亮計網課設\Ping\bin

?????目錄??????????0??2017-06-29?21:39??林社亮計網課設\Ping\src

?????目錄??????????0??2017-06-29?21:39??林社亮計網課設\Ping

?????目錄??????????0??2017-06-29?21:39??林社亮計網課設

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