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1 /*
2  * src/nl-neigh-list.c      List Neighbours
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/neigh.h>
14 #include <netlink/cli/link.h>
15 
print_usage(void)16 static void print_usage(void)
17 {
18 	printf(
19 	"Usage: nl-neigh-list [OPTION]... [NEIGHBOUR]\n"
20 	"\n"
21 	"Options\n"
22 	" -f, --format=TYPE     Output format { brief | details | stats }\n"
23 	" -h, --help            Show this help\n"
24 	" -v, --version         Show versioning information\n"
25 	"\n"
26 	"Neighbour Options\n"
27 	" -a, --addr=ADDR       Destination address of neighbour\n"
28 	" -l, --lladdr=ADDR     Link layer address of neighbour\n"
29 	" -d, --dev=DEV         Device the neighbour is connected to\n"
30 	"     --family=FAMILY   Destination address family\n"
31 	"     --state=STATE     Neighbour state, (default = permanent)\n"
32 	);
33 	exit(0);
34 }
35 
main(int argc,char * argv[])36 int main(int argc, char *argv[])
37 {
38 	struct nl_sock *sock;
39 	struct rtnl_neigh *neigh;
40 	struct nl_cache *link_cache, *neigh_cache;
41 	struct nl_dump_params params = {
42 		.dp_type = NL_DUMP_LINE,
43 		.dp_fd = stdout,
44 	};
45 
46 	sock = nl_cli_alloc_socket();
47 	nl_cli_connect(sock, NETLINK_ROUTE);
48 	link_cache = nl_cli_link_alloc_cache(sock);
49 	neigh_cache = nl_cli_neigh_alloc_cache(sock);
50  	neigh = nl_cli_neigh_alloc();
51 
52 	for (;;) {
53 		int c, optidx = 0;
54 		enum {
55 			ARG_FAMILY = 257,
56 			ARG_STATE = 258,
57 		};
58 		static struct option long_opts[] = {
59 			{ "format", 1, 0, 'f' },
60 			{ "help", 0, 0, 'h' },
61 			{ "version", 0, 0, 'v' },
62 			{ "addr", 1, 0, 'a' },
63 			{ "lladdr", 1, 0, 'l' },
64 			{ "dev", 1, 0, 'd' },
65 			{ "family", 1, 0, ARG_FAMILY },
66 			{ "state", 1, 0, ARG_STATE },
67 			{ 0, 0, 0, 0 }
68 		};
69 
70 		c = getopt_long(argc, argv, "f:hva:l:d:", long_opts, &optidx);
71 		if (c == -1)
72 			break;
73 
74 		switch (c) {
75 		case 'f': params.dp_type = nl_cli_parse_dumptype(optarg); break;
76 		case 'h': print_usage(); break;
77 		case 'v': nl_cli_print_version(); break;
78 		case 'a': nl_cli_neigh_parse_dst(neigh, optarg); break;
79 		case 'l': nl_cli_neigh_parse_lladdr(neigh, optarg); break;
80 		case 'd': nl_cli_neigh_parse_dev(neigh, link_cache, optarg); break;
81 		case ARG_FAMILY: nl_cli_neigh_parse_family(neigh, optarg); break;
82 		case ARG_STATE: nl_cli_neigh_parse_state(neigh, optarg); break;
83 		}
84  	}
85 
86 	nl_cache_dump_filter(neigh_cache, &params, OBJ_CAST(neigh));
87 
88 	return 0;
89 }
90