1 /*
2 * src/nl-route-list.c List route 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/route.h>
14 #include <netlink/cli/link.h>
15
print_usage(void)16 static void print_usage(void)
17 {
18 printf(
19 "Usage: nl-route-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 "Route Options\n"
28 " -d, --dst=ADDR destination prefix, e.g. 10.10.0.0/16\n"
29 " -n, --nexthop=NH nexthop configuration:\n"
30 " dev=DEV route via device\n"
31 " weight=WEIGHT weight of nexthop\n"
32 " flags=FLAGS\n"
33 " via=GATEWAY route via other node\n"
34 " realms=REALMS\n"
35 " e.g. dev=eth0,via=192.168.1.12\n"
36 " -t, --table=TABLE Routing table\n"
37 " --family=FAMILY Address family\n"
38 " --src=ADDR Source prefix\n"
39 " --iif=DEV Incomming interface\n"
40 " --pref-src=ADDR Preferred source address\n"
41 " --metrics=OPTS Metrics configurations\n"
42 " --priority=NUM Priotity\n"
43 " --scope=SCOPE Scope\n"
44 " --protocol=PROTO Protocol\n"
45 " --type=TYPE { unicast | local | broadcast | multicast }\n"
46 );
47 exit(0);
48 }
49
main(int argc,char * argv[])50 int main(int argc, char *argv[])
51 {
52 struct nl_sock *sock;
53 struct nl_cache *link_cache, *route_cache;
54 struct rtnl_route *route;
55 struct nl_dump_params params = {
56 .dp_fd = stdout,
57 .dp_type = NL_DUMP_LINE,
58 };
59 int print_cache = 0;
60
61 sock = nl_cli_alloc_socket();
62 nl_cli_connect(sock, NETLINK_ROUTE);
63 link_cache = nl_cli_link_alloc_cache(sock);
64 route = nl_cli_route_alloc();
65
66 for (;;) {
67 int c, optidx = 0;
68 enum {
69 ARG_FAMILY = 257,
70 ARG_SRC = 258,
71 ARG_IIF,
72 ARG_PREF_SRC,
73 ARG_METRICS,
74 ARG_PRIORITY,
75 ARG_SCOPE,
76 ARG_PROTOCOL,
77 ARG_TYPE,
78 };
79 static struct option long_opts[] = {
80 { "cache", 0, 0, 'c' },
81 { "format", 1, 0, 'f' },
82 { "help", 0, 0, 'h' },
83 { "version", 0, 0, 'v' },
84 { "dst", 1, 0, 'd' },
85 { "nexthop", 1, 0, 'n' },
86 { "table", 1, 0, 't' },
87 { "family", 1, 0, ARG_FAMILY },
88 { "src", 1, 0, ARG_SRC },
89 { "iif", 1, 0, ARG_IIF },
90 { "pref-src", 1, 0, ARG_PREF_SRC },
91 { "metrics", 1, 0, ARG_METRICS },
92 { "priority", 1, 0, ARG_PRIORITY },
93 { "scope", 1, 0, ARG_SCOPE },
94 { "protocol", 1, 0, ARG_PROTOCOL },
95 { "type", 1, 0, ARG_TYPE },
96 { 0, 0, 0, 0 }
97 };
98
99 c = getopt_long(argc, argv, "cf:hvd:n:t:", long_opts, &optidx);
100 if (c == -1)
101 break;
102
103 switch (c) {
104 case 'c': print_cache = 1; break;
105 case 'f': params.dp_type = nl_cli_parse_dumptype(optarg); break;
106 case 'h': print_usage(); break;
107 case 'v': nl_cli_print_version(); break;
108 case 'd': nl_cli_route_parse_dst(route, optarg); break;
109 case 'n': nl_cli_route_parse_nexthop(route, optarg, link_cache); break;
110 case 't': nl_cli_route_parse_table(route, optarg); break;
111 case ARG_FAMILY: nl_cli_route_parse_family(route, optarg); break;
112 case ARG_SRC: nl_cli_route_parse_src(route, optarg); break;
113 case ARG_IIF: nl_cli_route_parse_iif(route, optarg, link_cache); break;
114 case ARG_PREF_SRC: nl_cli_route_parse_pref_src(route, optarg); break;
115 case ARG_METRICS: nl_cli_route_parse_metric(route, optarg); break;
116 case ARG_PRIORITY: nl_cli_route_parse_prio(route, optarg); break;
117 case ARG_SCOPE: nl_cli_route_parse_scope(route, optarg); break;
118 case ARG_PROTOCOL: nl_cli_route_parse_protocol(route, optarg); break;
119 case ARG_TYPE: nl_cli_route_parse_type(route, optarg); break;
120 }
121 }
122
123 route_cache = nl_cli_route_alloc_cache(sock,
124 print_cache ? ROUTE_CACHE_CONTENT : 0);
125
126 nl_cache_dump_filter(route_cache, ¶ms, OBJ_CAST(route));
127
128 return 0;
129 }
130