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/* $OpenBSD: stat_backend.c,v 1.11 2018/12/27 10:35:26 gilles Exp $ */
/*
* Copyright (c) 2012 Gilles Chehade <gilles@poolp.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/queue.h>
#include <sys/tree.h>
#include <event.h>
#include <imsg.h>
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include "log.h"
#include "smtpd.h"
extern struct stat_backend stat_backend_ramstat;
struct stat_backend *
stat_backend_lookup(const char *name)
{
return &stat_backend_ramstat;
}
void
stat_increment(const char *key, size_t count)
{
struct stat_value *value;
if (count == 0)
return;
value = stat_counter(count);
m_create(p_control, IMSG_STAT_INCREMENT, 0, 0, -1);
m_add_string(p_control, key);
m_add_data(p_control, value, sizeof(*value));
m_close(p_control);
}
void
stat_decrement(const char *key, size_t count)
{
struct stat_value *value;
if (count == 0)
return;
value = stat_counter(count);
m_create(p_control, IMSG_STAT_DECREMENT, 0, 0, -1);
m_add_string(p_control, key);
m_add_data(p_control, value, sizeof(*value));
m_close(p_control);
}
void
stat_set(const char *key, const struct stat_value *value)
{
m_create(p_control, IMSG_STAT_SET, 0, 0, -1);
m_add_string(p_control, key);
m_add_data(p_control, value, sizeof(*value));
m_close(p_control);
}
/* helpers */
struct stat_value *
stat_counter(size_t counter)
{
static struct stat_value value;
value.type = STAT_COUNTER;
value.u.counter = counter;
return &value;
}
struct stat_value *
stat_timestamp(time_t timestamp)
{
static struct stat_value value;
value.type = STAT_TIMESTAMP;
value.u.timestamp = timestamp;
return &value;
}
struct stat_value *
stat_timeval(struct timeval *tv)
{
static struct stat_value value;
value.type = STAT_TIMEVAL;
value.u.tv = *tv;
return &value;
}
struct stat_value *
stat_timespec(struct timespec *ts)
{
static struct stat_value value;
value.type = STAT_TIMESPEC;
value.u.ts = *ts;
return &value;
}
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