4 Copyright (C) Ronnie Sahlberg 2010
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, see <http://www.gnu.org/licenses/>.
21 #include "system/network.h"
22 #include "system/time.h"
27 #include "lib/util/debug.h"
28 #include "lib/util/samba_util.h"
30 #include "ctdb_private.h"
31 #include "ctdb_logging.h"
33 static void ctdb_statistics_update(struct tevent_context *ev,
34 struct tevent_timer *te,
35 struct timeval t, void *p)
37 struct ctdb_context *ctdb = talloc_get_type(p, struct ctdb_context);
39 memmove(&ctdb->statistics_history[1], &ctdb->statistics_history[0], (MAX_STAT_HISTORY-1)*sizeof(struct ctdb_statistics));
40 memcpy(&ctdb->statistics_history[0], &ctdb->statistics_current, sizeof(struct ctdb_statistics));
41 ctdb->statistics_history[0].statistics_current_time = timeval_current();
44 bzero(&ctdb->statistics_current, sizeof(struct ctdb_statistics));
45 ctdb->statistics_current.statistics_start_time = timeval_current();
47 tevent_add_timer(ctdb->ev, ctdb,
48 timeval_current_ofs(ctdb->tunable.stat_history_interval, 0),
49 ctdb_statistics_update, ctdb);
52 int ctdb_statistics_init(struct ctdb_context *ctdb)
54 bzero(&ctdb->statistics, sizeof(struct ctdb_statistics));
55 ctdb->statistics.statistics_start_time = timeval_current();
57 bzero(&ctdb->statistics_current, sizeof(struct ctdb_statistics));
58 ctdb->statistics_current.statistics_start_time = timeval_current();
60 bzero(ctdb->statistics_history, sizeof(ctdb->statistics_history));
62 tevent_add_timer(ctdb->ev, ctdb,
63 timeval_current_ofs(ctdb->tunable.stat_history_interval, 0),
64 ctdb_statistics_update, ctdb);
69 int32_t ctdb_control_get_stat_history(struct ctdb_context *ctdb,
70 struct ctdb_req_control *c,
74 struct ctdb_statistics_wire *s;
76 len = offsetof(struct ctdb_statistics_wire, stats) + MAX_STAT_HISTORY*sizeof(struct ctdb_statistics);
78 s = talloc_size(outdata, len);
80 DEBUG(DEBUG_ERR,(__location__ " Failed to allocate statistics history structure\n"));
84 s->num = MAX_STAT_HISTORY;
85 memcpy(&s->stats[0], &ctdb->statistics_history[0], sizeof(ctdb->statistics_history));
88 outdata->dptr = (uint8_t *)s;