blob: b72de5c2d6a8418a15c5a677b15bca37a06a7f4e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
// Copyright (C) 2013-2015 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include <config.h>
#include <dhcp/pkt_filter6.h>
namespace isc {
namespace dhcp {
bool
PktFilter6::joinMulticast(int sock, const std::string& ifname,
const std::string & mcast) {
struct ipv6_mreq mreq;
memset(&mreq, 0, sizeof(ipv6_mreq));
// Convert the multicast address to a binary form.
if (inet_pton(AF_INET6, mcast.c_str(), &mreq.ipv6mr_multiaddr) <= 0) {
return (false);
}
// Set the interface being used.
mreq.ipv6mr_interface = if_nametoindex(ifname.c_str());
// Join the multicast group.
if (setsockopt(sock, IPPROTO_IPV6, IPV6_JOIN_GROUP,
&mreq, sizeof(mreq)) < 0) {
return (false);
}
return (true);
}
} // end of isc::dhcp namespace
} // end of isc namespace
|
