/*
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* src/nl-link-stats.c Retrieve link statistics
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation version 2.1
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* of the License.
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*
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* Copyright (c) 2003-2009 Thomas Graf <tgraf@suug.ch>
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*/
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#include <netlink/cli/utils.h>
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#include <netlink/cli/link.h>
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static void print_usage(void)
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{
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printf(
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"Usage: nl-link-stats [OPTION]... [LINK] [ListOfStats]\n"
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"\n"
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"Options\n"
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" -l, --list List available statistic names\n"
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" -h, --help Show this help\n"
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" -v, --version Show versioning information\n"
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"\n"
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"Link Options\n"
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" -n, --name=NAME link name\n"
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" -i, --index=NUM interface index\n"
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);
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exit(0);
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}
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static void list_stat_names(void)
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{
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char buf[64];
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int i;
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for (i = 0; i < RTNL_LINK_STATS_MAX; i++)
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printf("%s\n", rtnl_link_stat2str(i, buf, sizeof(buf)));
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exit(0);
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}
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static int gargc;
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static void dump_stat(struct rtnl_link *link, int id)
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{
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uint64_t st = rtnl_link_get_stat(link, id);
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char buf[64];
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printf("%s.%s %" PRIu64 "\n", rtnl_link_get_name(link),
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rtnl_link_stat2str(id, buf, sizeof(buf)), st);
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}
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static void dump_stats(struct nl_object *obj, void *arg)
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{
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struct rtnl_link *link = (struct rtnl_link *) obj;
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char **argv = arg;
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if (optind >= gargc) {
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int i;
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for (i = 0; i < RTNL_LINK_STATS_MAX; i++)
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dump_stat(link, i);
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} else {
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while (optind < gargc) {
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int id = rtnl_link_str2stat(argv[optind]);
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if (id < 0)
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fprintf(stderr, "Warning: Unknown statistic "
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"\"%s\"\n", argv[optind]);
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else
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dump_stat(link, id);
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optind++;
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}
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}
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}
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int main(int argc, char *argv[])
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{
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struct nl_sock *sock;
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struct nl_cache *link_cache;
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struct rtnl_link *link;
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sock = nl_cli_alloc_socket();
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nl_cli_connect(sock, NETLINK_ROUTE);
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link_cache = nl_cli_link_alloc_cache(sock);
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link = nl_cli_link_alloc();
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for (;;) {
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int c, optidx = 0;
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static struct option long_opts[] = {
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{ "list", 0, 0, 'l' },
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{ "help", 0, 0, 'h' },
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{ "version", 0, 0, 'v' },
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{ "name", 1, 0, 'n' },
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{ "index", 1, 0, 'i' },
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{ 0, 0, 0, 0 }
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};
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c = getopt_long(argc, argv, "lhvn:i:", long_opts, &optidx);
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if (c == -1)
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break;
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switch (c) {
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case 'l': list_stat_names(); break;
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case 'h': print_usage(); break;
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case 'v': nl_cli_print_version(); break;
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case 'n': nl_cli_link_parse_name(link, optarg); break;
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case 'i': nl_cli_link_parse_ifindex(link, optarg); break;
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}
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}
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gargc = argc;
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nl_cache_foreach_filter(link_cache, OBJ_CAST(link), dump_stats, argv);
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return 0;
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}
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