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1 office 1 /*
2 * src/cls/cgroup.c Control Groups Classifier
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation version 2 of the License.
7 *
8 * Copyright (c) 2009 Thomas Graf <tgraf@suug.ch>
9 */
10  
11 #include "utils.h"
12 #include <netlink/route/cls/cgroup.h>
13 #include <netlink/route/cls/ematch.h>
14  
15 static void print_usage(void)
16 {
17 printf(
18 "Usage: ... cgroup [OPTIONS]...\n"
19 "\n"
20 "Options\n"
21 " -h, --help Show this help.\n"
22 " -e, --ematch=MATCH Extended match (See --ematch help).\n"
23 " -c, --classid=HANDLE Target class to classify matching packets to.\n"
24 );
25 exit(0);
26 }
27  
28 static void basic_parse_argv(struct rtnl_cls *cls, int argc, char **argv)
29 {
30 for (;;) {
31 int c, optidx = 0;
32 static struct option long_opts[] = {
33 { "help", 0, 0, 'h' },
34 { "ematch", 1, 0, 'e' },
35 { "classid", 1, 0, 'c' },
36 { 0, 0, 0, 0 }
37 };
38  
39 c = getopt_long(argc, argv, "he:c:", long_opts, &optidx);
40 if (c == -1)
41 break;
42  
43 switch (c) {
44 case '?':
45 exit(NLE_INVAL);
46  
47 case 'h':
48 print_usage();
49  
50 #if 0
51 case 'e':
52 if ((err = parse_ematch_syntax(optarg, &tree)) < 0)
53 fatal(err, "Error while parsing ematch: %s",
54 nl_geterror(err));
55  
56 if ((err = rtnl_basic_set_ematch(cls, tree)) < 0)
57 fatal(err, "Unable to set ematch: %s",
58 nl_geterror(err));
59 break;
60 #endif
61 }
62 }
63 }
64  
65 static struct cls_module cgroup_module = {
66 .name = "cgroup",
67 .parse_argv = basic_parse_argv,
68 };
69  
70 static void __init cgroup_init(void)
71 {
72 register_cls_module(&cgroup_module);
73 }
74  
75 static void __exit cgroup_exit(void)
76 {
77 unregister_cls_module(&cgroup_module);
78 }