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1 office 1 /*
2 * src/nl-rule-dump.c Dump rule attributes
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) 2003-2009 Thomas Graf <tgraf@suug.ch>
10 */
11  
12 #include <netlink/cli/utils.h>
13 #include <netlink/cli/rule.h>
14 #include <netlink/cli/link.h>
15  
16 static void print_usage(void)
17 {
18 printf(
19 "Usage: nl-rule-list [OPTION]... [ROUTE]\n"
20 "\n"
21 "Options\n"
22 " -c, --cache List the contents of the route cache\n"
23 " -f, --format=TYPE Output format { brief | details | stats }\n"
24 " -h, --help Show this help\n"
25 " -v, --version Show versioning information\n"
26 "\n"
27 "Rule Options\n"
28 " --family Address family\n"
29 );
30 exit(0);
31 }
32  
33 int main(int argc, char *argv[])
34 {
35 struct nl_sock *sock;
36 struct rtnl_rule *rule;
37 struct nl_cache *link_cache, *rule_cache;
38 struct nl_dump_params params = {
39 .dp_fd = stdout,
40 .dp_type = NL_DUMP_LINE,
41 };
42  
43 sock = nl_cli_alloc_socket();
44 nl_cli_connect(sock, NETLINK_ROUTE);
45 link_cache = nl_cli_link_alloc_cache(sock);
46 rule_cache = nl_cli_rule_alloc_cache(sock);
47 rule = nl_cli_rule_alloc();
48  
49 for (;;) {
50 int c, optidx = 0;
51 enum {
52 ARG_FAMILY = 257,
53 };
54 static struct option long_opts[] = {
55 { "format", 1, 0, 'f' },
56 { "help", 0, 0, 'h' },
57 { "version", 0, 0, 'v' },
58 { "family", 1, 0, ARG_FAMILY },
59 { 0, 0, 0, 0 }
60 };
61  
62 c = getopt_long(argc, argv, "f:hv", long_opts, &optidx);
63 if (c == -1)
64 break;
65  
66 switch (c) {
67 case 'f': params.dp_type = nl_cli_parse_dumptype(optarg); break;
68 case 'h': print_usage(); break;
69 case 'v': nl_cli_print_version(); break;
70 case ARG_FAMILY: nl_cli_rule_parse_family(rule, optarg); break;
71 }
72 }
73  
74 nl_cache_dump_filter(rule_cache, &params, OBJ_CAST(rule));
75  
76 return 0;
77 }