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
16static 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
50int 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, &params, OBJ_CAST(route));
127
128	return 0;
129}
130