Add All-CoAP-Nodes IP Multicast addresses to constants; add extended connect()...

Add All-CoAP-Nodes IP Multicast addresses to constants; add extended connect() function to BasiCoAPCLient

ws4d-jcoap-applications/src/org/ws4d/coap/client/BasicCoapClient.java

@@ -56,6 +56,12 @@ public class BasicCoapClient implements CoapClient {
     	return true;
     }
     
+    public boolean connect( String server_addr, int port ){
+    	this.SERVER_ADDRESS = server_addr;
+    	this.PORT = port;
+    	return this.connect();
+    }
+    
     
     public CoapRequest createRequest( boolean reliable, CoapRequestCode reqCode ) {
     	return clientChannel.createRequest( reliable, reqCode );

ws4d-jcoap/src/org/ws4d/coap/Constants.java

@@ -54,6 +54,21 @@ public final class Constants {
 	 * See rfc7252 - 6.1. "coap URI Scheme" for further details.
 	 */
 	public final static int COAP_DEFAULT_PORT = 5683;
+	
+	/**
+	 * The all CoAP nodes IPv4 multicast address.
+	 */
+	public final static String COAP_ALL_NODES_IPV4_MC_ADDR = "224.0.1.187";
+	
+	/**
+	 * The all CoAP nodes link-local IPv6 multicast address.
+	 */
+	public final static String COAP_ALL_NODES_IPV6_LL_MC_ADDR = "ff02::fd";
+	
+	/**
+	 * The all CoAP nodes site-local IPv6 multicast address.
+	 */
+	public final static String COAP_ALL_NODES_IPV6_SL_MC_ADDR = "ff05::fd";
 
 	/**
 	 * This is the default value (in seconds) for the Max-Age Option. <br>