libnl 3.5.0

cgroup.c
1 /*
2 * lib/cli/cls/cgroup.c cgroup classifier module for CLI lib
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation version 2.1
7 * of the License.
8 *
9 * Copyright (c) 2010-2011 Thomas Graf <tgraf@suug.ch>
10 */
11
12 #include <netlink/cli/utils.h>
13 #include <netlink/cli/tc.h>
14 #include <netlink/cli/cls.h>
15 #include <netlink/route/cls/cgroup.h>
16
17 static void print_usage(void)
18 {
19 printf(
20 "Usage: nl-cls-add [...] cgroup [OPTIONS]...\n"
21 "\n"
22 "OPTIONS\n"
23 " -h, --help Show this help text.\n"
24 " -e, --ematch=EXPR Ematch expression\n"
25 "\n"
26 "EXAMPLE"
27 " nl-cls-add --dev=eth0 --parent=q_root cgroup\n");
28 }
29
30 static void parse_argv(struct rtnl_tc *tc, int argc, char **argv)
31 {
32 struct rtnl_cls *cls = (struct rtnl_cls *) tc;
33 struct rtnl_ematch_tree *tree;
34
35 for (;;) {
36 int c, optidx = 0;
37 static struct option long_opts[] = {
38 { "help", 0, 0, 'h' },
39 { "ematch", 1, 0, 'e' },
40 { 0, 0, 0, 0 }
41 };
42
43 c = getopt_long(argc, argv, "he:", long_opts, &optidx);
44 if (c == -1)
45 break;
46
47 switch (c) {
48 case 'h':
49 print_usage();
50 exit(0);
51
52 case 'e':
53 tree = nl_cli_cls_parse_ematch(cls, optarg);
54 rtnl_cgroup_set_ematch(cls, tree);
55 break;
56 }
57 }
58 }
59
60 static struct nl_cli_tc_module cgroup_module =
61 {
62 .tm_name = "cgroup",
63 .tm_type = RTNL_TC_TYPE_CLS,
64 .tm_parse_argv = parse_argv,
65 };
66
67 static void __init cgroup_init(void)
68 {
69 nl_cli_tc_register(&cgroup_module);
70 }
71
72 static void __exit cgroup_exit(void)
73 {
74 nl_cli_tc_unregister(&cgroup_module);
75 }
nl_cli_tc_module
Definition: tc.h:28