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/*
* 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.
*
* @deprecated The scope of the APR/Native Library will be reduced in Tomcat 9.1.x / Tomcat Native 2.x and has been
* reduced in Tomcat 10.1.x / Tomcat Native 2.x onwards to only include those components required to
* provide OpenSSL integration with the NIO and NIO2 connectors.
*/
@Deprecated
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)
*
* @return the operation status
*/
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)
*
* @return the operation status
*/
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.
*
* @return the operation status
*/
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
*
* @return the operation status
*/
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
*
* @return the operation status
*/
public static native int ointerface(long sock, long iface);
}
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