Java/Network Protocol/Ping
java.net.InetAddress.isReachable(int) can be used to check if a server is reachable or not.
<source lang="java">
import java.net.InetAddress; public class Main {
public static void main(String[] argv) throws Exception { InetAddress address = InetAddress.getByName("web.mit.edu"); System.out.println("Name: " + address.getHostName()); System.out.println("Addr: " + address.getHostAddress()); System.out.println("Reach: " + address.isReachable(3000)); }
}
</source>
Ping a host
<source lang="java">
import java.net.InetAddress; public class Main {
public static void main(String[] args) throws Exception { InetAddress address = InetAddress.getByName("17.16.15.14"); boolean reachable = address.isReachable(10000); System.out.println("Is host reachable? " + reachable); }
}
</source>