blob: 9121d5238455a721bc0f9ebd17099506eaf134c1 [file] [log] [blame]
/*
* src/nl-cls-list.c List classifiers
*
* 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) 2008 Thomas Graf <tgraf@suug.ch>
*/
#include "cls/utils.h"
static struct nl_sock *sock;
static struct rtnl_cls *cls;
static struct nl_dump_params params = {
.dp_type = NL_DUMP_LINE,
};
static void print_usage(void)
{
printf(
"Usage: nl-cls-list [OPTION]... [CLASSIFIER]\n"
"\n"
"Options\n"
" -f, --format=TYPE Output format { brief | details | stats }\n"
" -h, --help Show this help text.\n"
" -v, --version Show versioning information.\n"
"\n"
"Classifier Options\n"
" -d, --dev=DEV Device the classifier should be assigned to.\n"
" -p, --parent=HANDLE Parent qdisc/class\n"
" --proto=PROTO Protocol\n"
" --prio=NUM Priority\n"
" --id=NUM Identifier\n"
);
exit(0);
}
static void print_cls(struct nl_object *obj, void *arg)
{
struct nl_cache *cls_cache;
int err, ifindex;
if (obj)
ifindex = rtnl_link_get_ifindex((struct rtnl_link *) obj);
else
ifindex = rtnl_cls_get_ifindex(cls);
err = rtnl_cls_alloc_cache(sock, ifindex, rtnl_cls_get_parent(cls),
&cls_cache);
if (err < 0)
fatal(err, "Unable to allocate classifier cache: %s",
nl_geterror(err));
nl_cache_dump_filter(cls_cache, &params, OBJ_CAST(cls));
nl_cache_free(cls_cache);
}
int main(int argc, char *argv[])
{
struct nl_cache *link_cache;
int dev = 0;
params.dp_fd = stdout;
sock = nlt_alloc_socket();
nlt_connect(sock, NETLINK_ROUTE);
link_cache = nlt_alloc_link_cache(sock);
cls = nlt_alloc_cls();
for (;;) {
int c, optidx = 0;
enum {
ARG_PROTO = 257,
ARG_PRIO = 258,
ARG_ID,
};
static struct option long_opts[] = {
{ "format", 1, 0, 'f' },
{ "help", 0, 0, 'h' },
{ "version", 0, 0, 'v' },
{ "dev", 1, 0, 'd' },
{ "parent", 1, 0, 'p' },
{ "proto", 1, 0, ARG_PROTO },
{ "prio", 1, 0, ARG_PRIO },
{ "id", 1, 0, ARG_ID },
{ 0, 0, 0, 0 }
};
c = getopt_long(argc, argv, "+f:qhva:d:", long_opts, &optidx);
if (c == -1)
break;
switch (c) {
case '?': exit(NLE_INVAL);
case 'f': params.dp_type = nlt_parse_dumptype(optarg); break;
case 'h': print_usage(); break;
case 'v': nlt_print_version(); break;
case 'd': dev = 1; parse_dev(cls, link_cache, optarg); break;
case 'p': parse_parent(cls, optarg); break;
case ARG_PRIO: parse_prio(cls, optarg); break;
case ARG_ID: parse_handle(cls, optarg); break;
case ARG_PROTO: parse_proto(cls, optarg); break;
}
}
if (!dev)
nl_cache_foreach(link_cache, print_cls, NULL);
else
print_cls(NULL, NULL);
return 0;
}