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 
print_usage(void)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 
basic_parse_argv(struct rtnl_cls * cls,int argc,char ** argv)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 
cgroup_init(void)70 static void __init cgroup_init(void)
71 {
72 	register_cls_module(&cgroup_module);
73 }
74 
cgroup_exit(void)75 static void __exit cgroup_exit(void)
76 {
77 	unregister_cls_module(&cgroup_module);
78 }
79