Get web servers information for each site.
import java.net.*;
import java.io.*;
import java.text.*;
public class SocketTest
{
public static int[] num={0,0,0};
public static void main(String[] args)
{
try{
BufferedReader is=new BufferedReader(new FileReader("serverlist.txt"));
String server;
String format = "%1$-25s%2$-48s";
System.out.format(format," "," ");
System.out.println("===========================================================");
while ((server = is.readLine()) != null) {
ShowServerInfo(server.trim(),80);
}
System.out.println("===========================================================");
System.out.println("Apache:"+num[0]+", "+NumberFormat.getPercentInstance().format(num[0]*1.0/(num[0]+num[1]+num[2])));
System.out.println("IIS:"+num[1]+", "+NumberFormat.getPercentInstance().format(num[1]*1.0/(num[0]+num[1]+num[2])));
System.out.println("Other:"+num[2]+", "+NumberFormat.getPercentInstance().format(num[2]*1.0/(num[0]+num[1]+num[2])));
is.close();
}catch(Exception ex){
ex.printStackTrace();
}
}
public static void ShowServerInfo(String server,int port){
try{
Socket sc=new Socket(server,port);
StringBuffer sb=new StringBuffer();
sb.append("HEAD / HTTP/1.1
");
sb.append("Accept: */*
");
sb.append("Host: "+server+"
");
sb.append("Connection: Keep-Alive
");
sc.getOutputStream().write(sb.toString().getBytes());
BufferedReader in=new BufferedReader(new InputStreamReader(sc.getInputStream()));
String userInput;
String format = "%1$-25s%2$-54s
";
while ((userInput = in.readLine()) != null) {
if(userInput.startsWith("Server:")){
if(userInput.length()>55) userInput=userInput.substring(0,54);
if(userInput.toUpperCase().indexOf("APACHE")>=0) num[0]+=1;
else if(userInput.indexOf("IIS")>0) num[1]+=1;
else num[2]+=1;
break;
}
}
sc.getOutputStream().close();
in.close();
sc.close();
}catch(Exception ex){
System.out.println("Err:"+server+","+ex.getMessage());
}
}
}
コンパイル後CLASSファイルとディレクトリの下にserverlistを書き込む.txt
書式:
www.ppsing.com
www.google.com
gmail.google.com