mirror of
https://github.com/samba-team/samba.git
synced 2024-12-23 17:34:34 +03:00
f50db5cba5
Signed-off-by: Amitay Isaacs <amitay@gmail.com> Reviewed-by: Martin Schwenke <martin@meltin.net> Reviewed-by: Michael Adam <obnox@samba.org>
94 lines
2.8 KiB
C
94 lines
2.8 KiB
C
/*
|
|
ctdb statistics code
|
|
|
|
Copyright (C) Ronnie Sahlberg 2010
|
|
|
|
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 3 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "replace.h"
|
|
#include "system/network.h"
|
|
#include "system/time.h"
|
|
|
|
#include <talloc.h>
|
|
#include <tevent.h>
|
|
|
|
#include "lib/util/debug.h"
|
|
#include "lib/util/samba_util.h"
|
|
|
|
#include "ctdb_private.h"
|
|
|
|
#include "common/logging.h"
|
|
|
|
static void ctdb_statistics_update(struct tevent_context *ev,
|
|
struct tevent_timer *te,
|
|
struct timeval t, void *p)
|
|
{
|
|
struct ctdb_context *ctdb = talloc_get_type(p, struct ctdb_context);
|
|
|
|
memmove(&ctdb->statistics_history[1], &ctdb->statistics_history[0], (MAX_STAT_HISTORY-1)*sizeof(struct ctdb_statistics));
|
|
memcpy(&ctdb->statistics_history[0], &ctdb->statistics_current, sizeof(struct ctdb_statistics));
|
|
ctdb->statistics_history[0].statistics_current_time = timeval_current();
|
|
|
|
|
|
bzero(&ctdb->statistics_current, sizeof(struct ctdb_statistics));
|
|
ctdb->statistics_current.statistics_start_time = timeval_current();
|
|
|
|
tevent_add_timer(ctdb->ev, ctdb,
|
|
timeval_current_ofs(ctdb->tunable.stat_history_interval, 0),
|
|
ctdb_statistics_update, ctdb);
|
|
}
|
|
|
|
int ctdb_statistics_init(struct ctdb_context *ctdb)
|
|
{
|
|
bzero(&ctdb->statistics, sizeof(struct ctdb_statistics));
|
|
ctdb->statistics.statistics_start_time = timeval_current();
|
|
|
|
bzero(&ctdb->statistics_current, sizeof(struct ctdb_statistics));
|
|
ctdb->statistics_current.statistics_start_time = timeval_current();
|
|
|
|
bzero(ctdb->statistics_history, sizeof(ctdb->statistics_history));
|
|
|
|
tevent_add_timer(ctdb->ev, ctdb,
|
|
timeval_current_ofs(ctdb->tunable.stat_history_interval, 0),
|
|
ctdb_statistics_update, ctdb);
|
|
return 0;
|
|
}
|
|
|
|
|
|
int32_t ctdb_control_get_stat_history(struct ctdb_context *ctdb,
|
|
struct ctdb_req_control_old *c,
|
|
TDB_DATA *outdata)
|
|
{
|
|
int len;
|
|
struct ctdb_statistics_list_old *s;
|
|
|
|
len = offsetof(struct ctdb_statistics_list_old, stats) +
|
|
MAX_STAT_HISTORY*sizeof(struct ctdb_statistics);
|
|
|
|
s = talloc_size(outdata, len);
|
|
if (s == NULL) {
|
|
DEBUG(DEBUG_ERR,(__location__ " Failed to allocate statistics history structure\n"));
|
|
return -1;
|
|
}
|
|
|
|
s->num = MAX_STAT_HISTORY;
|
|
memcpy(&s->stats[0], &ctdb->statistics_history[0], sizeof(ctdb->statistics_history));
|
|
|
|
outdata->dsize = len;
|
|
outdata->dptr = (uint8_t *)s;
|
|
|
|
return 0;
|
|
}
|