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Copy pathHeartBeat2.java
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34 lines (30 loc) · 941 Bytes
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//file: HeartBeat.java
import java.net.*;
import java.io.*;
public class HeartBeat2 {
private String myHost;
private int myPort;
public HeartBeat2( String host, int port ) {
myHost = host;
myPort = port;
}
public void sendMessage( String message ) {
try {
byte [] data = message.getBytes("UTF-8");
InetAddress addr = InetAddress.getByName( myHost );
DatagramPacket pack =
new DatagramPacket( data, data.length, addr, myPort );
DatagramSocket ds = new DatagramSocket();
ds.send( pack );
ds.close();
} catch ( IOException e ) {
System.out.println( e ); // Error creating socket
}
}
public static void main( String[] args ) {
String host = args[0];
int port = Integer.parseInt( args[1] );
HeartBeat2 hb = new HeartBeat2( host, port );
hb.sendMessage( "Ping!" );
}
}