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e21c6643 TLSC |
1 | /* |
2 | * Copyright (c) 2015 Red Hat, Inc. | |
3 | * | |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
5 | * you may not use this file except in compliance with the License. | |
6 | * You may obtain a copy of the License at: | |
7 | * | |
8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
9 | * | |
10 | * Unless required by applicable law or agreed to in writing, software | |
11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
13 | * See the License for the specific language governing permissions and | |
14 | * limitations under the License. | |
15 | */ | |
16 | ||
17 | #include <config.h> | |
18 | #include "if-notifier.h" | |
19 | #include "rtnetlink.h" | |
20 | #include "util.h" | |
21 | ||
22 | struct if_notifier { | |
23 | struct nln_notifier *notifier; | |
24 | if_notify_func *cb; | |
25 | void *aux; | |
26 | }; | |
27 | ||
28 | static void | |
29 | if_notifier_cb(const struct rtnetlink_change *change OVS_UNUSED, void *aux) | |
30 | { | |
31 | struct if_notifier *notifier; | |
32 | notifier = aux; | |
33 | notifier->cb(notifier->aux); | |
34 | } | |
35 | ||
36 | struct if_notifier * | |
37 | if_notifier_create(if_notify_func *cb, void *aux) | |
38 | { | |
39 | struct if_notifier *notifier; | |
40 | notifier = xmalloc(sizeof *notifier); | |
41 | notifier->cb = cb; | |
42 | notifier->aux = aux; | |
43 | notifier->notifier = rtnetlink_notifier_create(if_notifier_cb, notifier); | |
44 | return notifier; | |
45 | } | |
46 | ||
47 | void | |
48 | if_notifier_destroy(struct if_notifier *notifier) | |
49 | { | |
50 | if (notifier) { | |
51 | rtnetlink_notifier_destroy(notifier->notifier); | |
52 | free(notifier); | |
53 | } | |
54 | } | |
55 | ||
56 | void | |
57 | if_notifier_run(void) | |
58 | { | |
59 | rtnetlink_run(); | |
60 | } | |
61 | ||
62 | void | |
63 | if_notifier_wait(void) | |
64 | { | |
65 | rtnetlink_wait(); | |
66 | } |