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1 /* | |
2 * Licensed to the Apache Software Foundation (ASF) under one or more | |
3 * contributor license agreements. See the NOTICE file distributed with | |
4 * this work for additional information regarding copyright ownership. | |
5 * The ASF licenses this file to You under the Apache License, Version 2.0 | |
6 * (the "License"); you may not use this file except in compliance with | |
7 * the License. You may obtain a copy of the License at | |
8 * | |
9 * http://www.apache.org/licenses/LICENSE-2.0 | |
10 * | |
11 * Unless required by applicable law or agreed to in writing, software | |
12 * distributed under the License is distributed on an "AS IS" BASIS, | |
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
14 * See the License for the specific language governing permissions and | |
15 * limitations under the License. | |
16 */ | |
17 | |
18 package org.apache.tomcat.jni; | |
19 | |
20 /** Multicast | |
21 * | |
22 * @author Mladen Turk | |
23 */ | |
24 public class Multicast { | |
25 | |
26 /** | |
27 * Join a Multicast Group | |
28 * @param sock The socket to join a multicast group | |
29 * @param join The address of the multicast group to join | |
30 * @param iface Address of the interface to use. If NULL is passed, the | |
31 * default multicast interface will be used. (OS Dependent) | |
32 * @param source Source Address to accept transmissions from (non-NULL | |
33 * implies Source-Specific Multicast) | |
34 */ | |
35 public static native int join(long sock, long join, | |
36 long iface, long source); | |
37 | |
38 /** | |
39 * Leave a Multicast Group. All arguments must be the same as | |
40 * apr_mcast_join. | |
41 * @param sock The socket to leave a multicast group | |
42 * @param addr The address of the multicast group to leave | |
43 * @param iface Address of the interface to use. If NULL is passed, the | |
44 * default multicast interface will be used. (OS Dependent) | |
45 * @param source Source Address to accept transmissions from (non-NULL | |
46 * implies Source-Specific Multicast) | |
47 */ | |
48 public static native int leave(long sock, long addr, | |
49 long iface, long source); | |
50 | |
51 /** | |
52 * Set the Multicast Time to Live (ttl) for a multicast transmission. | |
53 * @param sock The socket to set the multicast ttl | |
54 * @param ttl Time to live to Assign. 0-255, default=1 | |
55 * <br><b>Remark :</b> If the TTL is 0, packets will only be seen | |
56 * by sockets on the local machine, | |
57 * and only when multicast loopback is enabled. | |
58 */ | |
59 public static native int hops(long sock, int ttl); | |
60 | |
61 /** | |
62 * Toggle IP Multicast Loopback | |
63 * @param sock The socket to set multicast loopback | |
64 * @param opt false=disable, true=enable | |
65 */ | |
66 public static native int loopback(long sock, boolean opt); | |
67 | |
68 | |
69 /** | |
70 * Set the Interface to be used for outgoing Multicast Transmissions. | |
71 * @param sock The socket to set the multicast interface on | |
72 * @param iface Address of the interface to use for Multicast | |
73 */ | |
74 public static native int ointerface(long sock, long iface); | |
75 | |
76 } | |
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