libosmocore/src/statistics.c

67 lines
1.5 KiB
C

/* utility routines for keeping some statistics */
/* (C) 2009 by Harald Welte <laforge@gnumonks.org>
*
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <sys/types.h>
#include <osmocore/linuxlist.h>
#include <osmocore/talloc.h>
#include <osmocore/statistics.h>
static LLIST_HEAD(counters);
void *tall_ctr_ctx;
struct counter *counter_alloc(const char *name)
{
struct counter *ctr = talloc_zero(tall_ctr_ctx, struct counter);
if (!ctr)
return NULL;
ctr->name = name;
llist_add_tail(&ctr->list, &counters);
return ctr;
}
void counter_free(struct counter *ctr)
{
llist_del(&ctr->list);
talloc_free(ctr);
}
int counters_for_each(int (*handle_counter)(struct counter *, void *), void *data)
{
struct counter *ctr;
int rc = 0;
llist_for_each_entry(ctr, &counters, list) {
rc = handle_counter(ctr, data);
if (rc < 0)
return rc;
}
return rc;
}