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