infiniteReadLoop boolean to facilitate testing

examples/src/UdpMulticastHttpExamples/MulticastReceiver.java

@@ -11,11 +11,17 @@ import java.net.*;
  */
 public class MulticastReceiver {
 
-    public static final String MULTICAST_ADDRESS = "239.1.2.15";
+    // reserved range for all IPv4 multicast: 224.0.0.0 through 239.255.255.255
+    // https://en.wikipedia.org/wiki/Multicast_address
+    // https://www.iana.org/assignments/multicast-addresses/multicast-addresses.xhtml
+    
+    public static final String MULTICAST_ADDRESS = "239.1.2.15"; 
     public static final int     DESTINATION_PORT = 1718;
     /** Time to live: how many router-decrement levels can be crossed */
     public static final int TTL = 10; 
     
+    final private static boolean infiniteReadLoop = true;
+    
     public static void main(String[] args) 
     {
         try
@@ -60,7 +66,8 @@ public class MulticastReceiver {
 				if (firstCharacters.equals("quit;"))
 				{
 					System.out.println("Received \"quit;\" sentinel");
-					break; // exit out of reading loop
+					if (!infiniteReadLoop)
+                        break; // exit out of reading loop
 				}
 				int   index       = dis.readInt();
                 float firstFloat  = dis.readFloat();