Start line:  
End line:  

Snippet Preview

Snippet HTML Code

Stack Overflow Questions
BEGIN LICENSE BLOCK ***** Version: EPL 1.0/GPL 2.0/LGPL 2.1 The contents of this file are subject to the Eclipse Public License Version 1.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language governing rights and limitations under the License. Copyright (C) 2010 Joshua Go <> Alternatively, the contents of this file may be used under the terms of either of the GNU General Public License Version 2 or later (the "GPL"), or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), in which case the provisions of the GPL or the LGPL are applicable instead of those above. If you wish to allow use of your version of this file only under the terms of either the GPL or the LGPL, and not to allow others to use your version of this file under the terms of the EPL, indicate your decision by deleting the provisions above and replace them with the notice and other provisions required by the GPL or the LGPL. If you do not delete the provisions above, a recipient may use your version of this file under the terms of any one of the EPL, the GPL or the LGPL. END LICENSE BLOCK ***
package org.jruby.ext.socket;

Joshua Go
public class MulticastStateManager {
    private ArrayList membershipGroups;
    public static final int IP_ADD_MEMBERSHIP = 12;
    public MulticastStateManager() {
         = new ArrayList();
    public void addMembership(byte [] ipaddr_bufthrows IOException {
        String ipString = "";
        if (ipaddr_buf.length >= 4) {
            ipString += String.valueOf((intipaddr_buf[0] & 0xff);
            ipString += ".";
            ipString += String.valueOf((intipaddr_buf[1] & 0xff);
            ipString += ".";
            ipString += String.valueOf((intipaddr_buf[2] & 0xff);
            ipString += ".";
            ipString += String.valueOf((intipaddr_buf[3] & 0xff);
    public void rebindToPort(int portthrows IOException {
        if ( != null) {
         = new MulticastSocket(port);
        return ;
    private void updateMemberships() throws IOException {
        if ( == null) {
        for (int i = 0; i < .size(); i++) {
            String ipString = (String.get(i);
            InetAddress group = InetAddress.getByName(ipString);
New to GrepCode? Check out our FAQ X