1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
/*
** Zabbix
** Copyright (C) 2001-2014 Zabbix SIA
**
** 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 "common.h"
#include "db.h"
#include "log.h"
#include "actions.h"
#include "events.h"
static DB_EVENT *events = NULL;
static size_t events_alloc = 0, events_num = 0;
/******************************************************************************
* *
* Function: add_event *
* *
* Purpose: add event to an array *
* *
* Parameters: eventid - [IN] event identificator from database *
* source - [IN] event source (EVENT_SOURCE_*) *
* object - [IN] event object (EVENT_OBJECT_*) *
* objectid - [IN] trigger, item ... identificator from database, *
* depends on source and object *
* timespec - [IN] event time *
* value - [IN] event value (TRIGGER_VALUE_*, *
* TRIGGER_STATE_*, ITEM_STATE_* ... depends on *
* source and object) *
* trigger_description - [IN] trigger description *
* trigger_expression - [IN] trigger short expression *
* trigger_priority - [IN] trigger priority *
* trigger_type - [IN] trigger type (TRIGGER_TYPE_*) *
* *
******************************************************************************/
void add_event(zbx_uint64_t eventid, unsigned char source, unsigned char object, zbx_uint64_t objectid,
const zbx_timespec_t *timespec, int value, const char *trigger_description,
const char *trigger_expression, unsigned char trigger_priority, unsigned char trigger_type)
{
if (events_num == events_alloc)
{
events_alloc += 64;
events = zbx_realloc(events, sizeof(DB_EVENT) * events_alloc);
}
events[events_num].eventid = eventid;
events[events_num].source = source;
events[events_num].object = object;
events[events_num].objectid = objectid;
events[events_num].clock = timespec->sec;
events[events_num].ns = timespec->ns;
events[events_num].value = value;
events[events_num].acknowledged = EVENT_NOT_ACKNOWLEDGED;
if (EVENT_SOURCE_TRIGGERS == source)
{
events[events_num].trigger.triggerid = objectid;
events[events_num].trigger.description = zbx_strdup(NULL, trigger_description);
events[events_num].trigger.expression = zbx_strdup(NULL, trigger_expression);
events[events_num].trigger.priority = trigger_priority;
events[events_num].trigger.type = trigger_type;
}
events_num++;
}
/******************************************************************************
* *
* Function: save_events *
* *
* Purpose: flushes the events into a database *
* *
******************************************************************************/
static void save_events()
{
size_t i;
zbx_db_insert_t db_insert;
int new_events = 0;
zbx_uint64_t eventid;
zbx_db_insert_prepare(&db_insert, "events", "eventid", "source", "object", "objectid", "clock", "ns", "value",
NULL);
for (i = 0; i < events_num; i++)
{
if (0 == events[i].eventid)
new_events++;
}
eventid = DBget_maxid_num("events", new_events);
for (i = 0; i < events_num; i++)
{
if (0 == events[i].eventid)
events[i].eventid = eventid++;
zbx_db_insert_add_values(&db_insert, events[i].eventid, events[i].source, events[i].object,
events[i].objectid, events[i].clock, events[i].ns, events[i].value);
}
zbx_db_insert_execute(&db_insert);
zbx_db_insert_clean(&db_insert);
}
/******************************************************************************
* *
* Function: clean_events *
* *
* Purpose: cleans all array entries and resets events_num *
* *
******************************************************************************/
static void clean_events()
{
size_t i;
for (i = 0; i < events_num; i++)
{
if (EVENT_SOURCE_TRIGGERS != events[i].source)
continue;
zbx_free(events[i].trigger.description);
zbx_free(events[i].trigger.expression);
}
events_num = 0;
}
int process_events(void)
{
const char *__function_name = "process_events";
int ret = (int)events_num;
zabbix_log(LOG_LEVEL_DEBUG, "In %s() events_num:" ZBX_FS_SIZE_T, __function_name, (zbx_fs_size_t)events_num);
if (0 != events_num)
{
save_events();
process_actions(events, events_num);
DBupdate_itservices(events, events_num);
clean_events();
}
zabbix_log(LOG_LEVEL_DEBUG, "End of %s()", __function_name);
return ret; /* performance metric */
}
|
