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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
|
/*
** Zabbix
** Copyright (C) 2001-2020 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 "comms.h"
#include "db.h"
#include "log.h"
#include "daemon.h"
#include "zbxjson.h"
#include "proxy.h"
#include "zbxself.h"
#include "dbcache.h"
#include "zbxtasks.h"
#include "dbcache.h"
#include "datasender.h"
#include "../servercomms.h"
#include "zbxcrypto.h"
extern unsigned char process_type, program_type;
extern int server_num, process_num;
#define ZBX_DATASENDER_AVAILABILITY 0x0001
#define ZBX_DATASENDER_HISTORY 0x0002
#define ZBX_DATASENDER_DISCOVERY 0x0004
#define ZBX_DATASENDER_AUTOREGISTRATION 0x0008
#define ZBX_DATASENDER_TASKS 0x0010
#define ZBX_DATASENDER_TASKS_RECV 0x0020
#define ZBX_DATASENDER_TASKS_REQUEST 0x8000
#define ZBX_DATASENDER_DB_UPDATE (ZBX_DATASENDER_HISTORY | ZBX_DATASENDER_DISCOVERY | \
ZBX_DATASENDER_AUTOREGISTRATION | ZBX_DATASENDER_TASKS | \
ZBX_DATASENDER_TASKS_RECV)
/******************************************************************************
* *
* Function: proxy_data_sender *
* *
* Purpose: collects host availability, history, discovery, auto registration *
* data and sends 'proxy data' request *
* *
******************************************************************************/
static int proxy_data_sender(int *more, int now)
{
static int data_timestamp = 0, task_timestamp = 0, upload_state = SUCCEED;
zbx_socket_t sock;
struct zbx_json j;
struct zbx_json_parse jp, jp_tasks;
int availability_ts, history_records = 0, discovery_records = 0,
areg_records = 0, more_history = 0, more_discovery = 0, more_areg = 0;
zbx_uint64_t history_lastid = 0, discovery_lastid = 0, areg_lastid = 0, flags = 0;
zbx_timespec_t ts;
char *error = NULL;
zbx_vector_ptr_t tasks;
zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __func__);
*more = ZBX_PROXY_DATA_DONE;
zbx_json_init(&j, 16 * ZBX_KIBIBYTE);
zbx_json_addstring(&j, ZBX_PROTO_TAG_REQUEST, ZBX_PROTO_VALUE_PROXY_DATA, ZBX_JSON_TYPE_STRING);
zbx_json_addstring(&j, ZBX_PROTO_TAG_HOST, CONFIG_HOSTNAME, ZBX_JSON_TYPE_STRING);
zbx_json_addstring(&j, ZBX_PROTO_TAG_SESSION, zbx_dc_get_session_token(), ZBX_JSON_TYPE_STRING);
if (SUCCEED == upload_state && CONFIG_PROXYDATA_FREQUENCY <= now - data_timestamp)
{
if (SUCCEED == get_host_availability_data(&j, &availability_ts))
flags |= ZBX_DATASENDER_AVAILABILITY;
history_records = proxy_get_hist_data(&j, &history_lastid, &more_history);
if (0 != history_lastid)
flags |= ZBX_DATASENDER_HISTORY;
discovery_records = proxy_get_dhis_data(&j, &discovery_lastid, &more_discovery);
if (0 != discovery_records)
flags |= ZBX_DATASENDER_DISCOVERY;
areg_records = proxy_get_areg_data(&j, &areg_lastid, &more_areg);
if (0 != areg_records)
flags |= ZBX_DATASENDER_AUTOREGISTRATION;
if (ZBX_PROXY_DATA_MORE != more_history && ZBX_PROXY_DATA_MORE != more_discovery &&
ZBX_PROXY_DATA_MORE != more_areg)
{
data_timestamp = now;
}
}
zbx_vector_ptr_create(&tasks);
if (SUCCEED == upload_state && ZBX_TASK_UPDATE_FREQUENCY <= now - task_timestamp)
{
task_timestamp = now;
zbx_tm_get_remote_tasks(&tasks, 0);
if (0 != tasks.values_num)
{
zbx_tm_json_serialize_tasks(&j, &tasks);
flags |= ZBX_DATASENDER_TASKS;
}
flags |= ZBX_DATASENDER_TASKS_REQUEST;
}
if (SUCCEED != upload_state)
flags |= ZBX_DATASENDER_TASKS_REQUEST;
if (0 != flags)
{
if (ZBX_PROXY_DATA_MORE == more_history || ZBX_PROXY_DATA_MORE == more_discovery ||
ZBX_PROXY_DATA_MORE == more_areg)
{
zbx_json_adduint64(&j, ZBX_PROTO_TAG_MORE, ZBX_PROXY_DATA_MORE);
*more = ZBX_PROXY_DATA_MORE;
}
zbx_json_addstring(&j, ZBX_PROTO_TAG_VERSION, ZABBIX_VERSION, ZBX_JSON_TYPE_STRING);
/* retry till have a connection */
if (FAIL == connect_to_server(&sock, 600, CONFIG_PROXYDATA_FREQUENCY))
goto clean;
zbx_timespec(&ts);
zbx_json_adduint64(&j, ZBX_PROTO_TAG_CLOCK, ts.sec);
zbx_json_adduint64(&j, ZBX_PROTO_TAG_NS, ts.ns);
if (SUCCEED != (upload_state = put_data_to_server(&sock, &j, &error)))
{
*more = ZBX_PROXY_DATA_DONE;
zabbix_log(LOG_LEVEL_WARNING, "cannot send proxy data to server at \"%s\": %s",
sock.peer, error);
zbx_free(error);
}
else
{
if (0 != (flags & ZBX_DATASENDER_AVAILABILITY))
zbx_set_availability_diff_ts(availability_ts);
if (SUCCEED == zbx_json_open(sock.buffer, &jp))
{
if (SUCCEED == zbx_json_brackets_by_name(&jp, ZBX_PROTO_TAG_TASKS, &jp_tasks))
flags |= ZBX_DATASENDER_TASKS_RECV;
}
if (0 != (flags & ZBX_DATASENDER_DB_UPDATE))
{
DBbegin();
if (0 != (flags & ZBX_DATASENDER_TASKS))
{
zbx_tm_update_task_status(&tasks, ZBX_TM_STATUS_DONE);
zbx_vector_ptr_clear_ext(&tasks, (zbx_clean_func_t)zbx_tm_task_free);
}
if (0 != (flags & ZBX_DATASENDER_TASKS_RECV))
{
zbx_tm_json_deserialize_tasks(&jp_tasks, &tasks);
zbx_tm_save_tasks(&tasks);
}
if (0 != (flags & ZBX_DATASENDER_HISTORY))
proxy_set_hist_lastid(history_lastid);
if (0 != (flags & ZBX_DATASENDER_DISCOVERY))
proxy_set_dhis_lastid(discovery_lastid);
if (0 != (flags & ZBX_DATASENDER_AUTOREGISTRATION))
proxy_set_areg_lastid(areg_lastid);
DBcommit();
}
}
disconnect_server(&sock);
}
clean:
zbx_vector_ptr_clear_ext(&tasks, (zbx_clean_func_t)zbx_tm_task_free);
zbx_vector_ptr_destroy(&tasks);
zbx_json_free(&j);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s more:%d flags:0x" ZBX_FS_UX64, __func__,
zbx_result_string(upload_state), *more, flags);
return history_records + discovery_records + areg_records;
}
/******************************************************************************
* *
* Function: main_datasender_loop *
* *
* Purpose: periodically sends history and events to the server *
* *
******************************************************************************/
ZBX_THREAD_ENTRY(datasender_thread, args)
{
int records = 0, more;
double time_start, time_diff = 0.0, time_now;
process_type = ((zbx_thread_args_t *)args)->process_type;
server_num = ((zbx_thread_args_t *)args)->server_num;
process_num = ((zbx_thread_args_t *)args)->process_num;
zabbix_log(LOG_LEVEL_INFORMATION, "%s #%d started [%s #%d]", get_program_type_string(program_type),
server_num, get_process_type_string(process_type), process_num);
#if defined(HAVE_POLARSSL) || defined(HAVE_GNUTLS) || defined(HAVE_OPENSSL)
zbx_tls_init_child();
#endif
zbx_setproctitle("%s [connecting to the database]", get_process_type_string(process_type));
DBconnect(ZBX_DB_CONNECT_NORMAL);
while (ZBX_IS_RUNNING())
{
time_now = zbx_time();
zbx_update_env(time_now);
zbx_setproctitle("%s [sent %d values in " ZBX_FS_DBL " sec, sending data]",
get_process_type_string(process_type), records, time_diff);
records = 0;
time_start = time_now;
do
{
records += proxy_data_sender(&more, (int)time_now);
time_now = zbx_time();
time_diff = time_now - time_start;
}
while (ZBX_PROXY_DATA_MORE == more && time_diff < SEC_PER_MIN && ZBX_IS_RUNNING());
zbx_setproctitle("%s [sent %d values in " ZBX_FS_DBL " sec, idle %d sec]",
get_process_type_string(process_type), records, time_diff,
ZBX_PROXY_DATA_MORE != more ? ZBX_TASK_UPDATE_FREQUENCY : 0);
if (ZBX_PROXY_DATA_MORE != more)
zbx_sleep_loop(ZBX_TASK_UPDATE_FREQUENCY);
}
zbx_setproctitle("%s #%d [terminated]", get_process_type_string(process_type), process_num);
while (1)
zbx_sleep(SEC_PER_MIN);
}
|
