diff options
author | Harald Welte <laforge@gnumonks.org> | 2017-10-15 19:46:19 +0200 |
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committer | Harald Welte <laforge@gnumonks.org> | 2017-10-15 19:51:35 +0200 |
commit | 216338c369fcfc6f2b90f6bf784288258c9b5603 (patch) | |
tree | c66a2e9bd27f96ec2ea3763c8d8a1647e1d4de7f /src/counter.c | |
parent | 4b7c791e15e921ce5427c531f740df7474c6a1cb (diff) |
Rename 'statistics.c' to 'counter.c'
With stat_item, stats.c and stats_statsd.c, it is becoming a bit
difficult to understand file naming. Also, the 'statistics.c' file
actually only contained osmo_counter handling, so let's rename it to
counter.c altogether.
Change-Id: I2cfb2310543902b7da46cb15a76e2da317eaed7d
Diffstat (limited to 'src/counter.c')
-rw-r--r-- | src/counter.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/counter.c b/src/counter.c new file mode 100644 index 00000000..6fa87ba3 --- /dev/null +++ b/src/counter.c @@ -0,0 +1,85 @@ +/*! \file counter.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 <string.h> + +#include <osmocom/core/linuxlist.h> +#include <osmocom/core/talloc.h> +#include <osmocom/core/counter.h> + +static LLIST_HEAD(counters); + +void *tall_ctr_ctx; + +struct osmo_counter *osmo_counter_alloc(const char *name) +{ + struct osmo_counter *ctr = talloc_zero(tall_ctr_ctx, struct osmo_counter); + + if (!ctr) + return NULL; + + ctr->name = name; + llist_add_tail(&ctr->list, &counters); + + return ctr; +} + +void osmo_counter_free(struct osmo_counter *ctr) +{ + llist_del(&ctr->list); + talloc_free(ctr); +} + +int osmo_counters_for_each(int (*handle_counter)(struct osmo_counter *, void *), + void *data) +{ + struct osmo_counter *ctr; + int rc = 0; + + llist_for_each_entry(ctr, &counters, list) { + rc = handle_counter(ctr, data); + if (rc < 0) + return rc; + } + + return rc; +} + +struct osmo_counter *osmo_counter_get_by_name(const char *name) +{ + struct osmo_counter *ctr; + + llist_for_each_entry(ctr, &counters, list) { + if (!strcmp(ctr->name, name)) + return ctr; + } + return NULL; +} + +int osmo_counter_difference(struct osmo_counter *ctr) +{ + int delta = ctr->value - ctr->previous; + ctr->previous = ctr->value; + + return delta; +} |