| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.tomcat.jni; |
| |
| /** Multicast |
| * |
| * @author Mladen Turk |
| */ |
| public class Multicast { |
| |
| /** |
| * Join a Multicast Group |
| * @param sock The socket to join a multicast group |
| * @param join The address of the multicast group to join |
| * @param iface Address of the interface to use. If NULL is passed, the |
| * default multicast interface will be used. (OS Dependent) |
| * @param source Source Address to accept transmissions from (non-NULL |
| * implies Source-Specific Multicast) |
| */ |
| public static native int join(long sock, long join, |
| long iface, long source); |
| |
| /** |
| * Leave a Multicast Group. All arguments must be the same as |
| * apr_mcast_join. |
| * @param sock The socket to leave a multicast group |
| * @param addr The address of the multicast group to leave |
| * @param iface Address of the interface to use. If NULL is passed, the |
| * default multicast interface will be used. (OS Dependent) |
| * @param source Source Address to accept transmissions from (non-NULL |
| * implies Source-Specific Multicast) |
| */ |
| public static native int leave(long sock, long addr, |
| long iface, long source); |
| |
| /** |
| * Set the Multicast Time to Live (ttl) for a multicast transmission. |
| * @param sock The socket to set the multicast ttl |
| * @param ttl Time to live to Assign. 0-255, default=1 |
| * <br><b>Remark :</b> If the TTL is 0, packets will only be seen |
| * by sockets on the local machine, |
| * and only when multicast loopback is enabled. |
| */ |
| public static native int hops(long sock, int ttl); |
| |
| /** |
| * Toggle IP Multicast Loopback |
| * @param sock The socket to set multicast loopback |
| * @param opt false=disable, true=enable |
| */ |
| public static native int loopback(long sock, boolean opt); |
| |
| |
| /** |
| * Set the Interface to be used for outgoing Multicast Transmissions. |
| * @param sock The socket to set the multicast interface on |
| * @param iface Address of the interface to use for Multicast |
| */ |
| public static native int ointerface(long sock, long iface); |
| |
| } |