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