1 /*
2 ** Zabbix
3 ** Copyright (C) 2001-2021 Zabbix SIA
4 **
5 ** This program is free software; you can redistribute it and/or modify
6 ** it under the terms of the GNU General Public License as published by
7 ** the Free Software Foundation; either version 2 of the License, or
8 ** (at your option) any later version.
9 **
10 ** This program is distributed in the hope that it will be useful,
11 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
12 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 ** GNU General Public License for more details.
14 **
15 ** You should have received a copy of the GNU General Public License
16 ** along with this program; if not, write to the Free Software
17 ** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 **/
19
20 #include <assert.h>
21
22 #include "common.h"
23 #include "log.h"
24
25 #include "db.h"
26 #include "zbxjson.h"
27 #include "zbxtasks.h"
28
29 /******************************************************************************
30 * *
31 * Function: zbx_tm_get_remote_tasks *
32 * *
33 * Purpose: get tasks scheduled to be executed on the server *
34 * *
35 * Parameters: tasks - [OUT] the tasks to execute *
36 * proxy_hostid - [IN] (ignored) *
37 * *
38 * Comments: This function is used by proxy to get tasks to be sent to the *
39 * server. *
40 * *
41 ******************************************************************************/
zbx_tm_get_remote_tasks(zbx_vector_ptr_t * tasks,zbx_uint64_t proxy_hostid)42 void zbx_tm_get_remote_tasks(zbx_vector_ptr_t *tasks, zbx_uint64_t proxy_hostid)
43 {
44 DB_RESULT result;
45 DB_ROW row;
46
47 ZBX_UNUSED(proxy_hostid);
48
49 result = DBselect(
50 "select t.taskid,t.type,t.clock,t.ttl,"
51 "r.status,r.parent_taskid,r.info,"
52 "tr.status,tr.parent_taskid,tr.info"
53 " from task t"
54 " left join task_remote_command_result r"
55 " on t.taskid=r.taskid"
56 " left join task_result tr"
57 " on t.taskid=tr.taskid"
58 " where t.status=%d"
59 " and t.type in (%d,%d)"
60 " order by t.taskid",
61 ZBX_TM_STATUS_NEW, ZBX_TM_TASK_REMOTE_COMMAND_RESULT, ZBX_TM_TASK_DATA_RESULT);
62
63 while (NULL != (row = DBfetch(result)))
64 {
65 zbx_uint64_t taskid, parent_taskid;
66 zbx_tm_task_t *task;
67
68 ZBX_STR2UINT64(taskid, row[0]);
69 task = zbx_tm_task_create(taskid, atoi(row[1]), ZBX_TM_STATUS_NEW, atoi(row[2]), atoi(row[3]), 0);
70
71 switch (task->type)
72 {
73 case ZBX_TM_TASK_REMOTE_COMMAND_RESULT:
74 if (SUCCEED == DBis_null(row[4]))
75 {
76 zbx_free(task);
77 continue;
78 }
79
80 ZBX_DBROW2UINT64(parent_taskid, row[5]);
81
82 task->data = zbx_tm_remote_command_result_create(parent_taskid, atoi(row[4]), row[6]);
83 break;
84 case ZBX_TM_TASK_DATA_RESULT:
85 if (SUCCEED == DBis_null(row[7]))
86 {
87 zbx_free(task);
88 continue;
89 }
90
91 ZBX_DBROW2UINT64(parent_taskid, row[8]);
92
93 task->data = zbx_tm_data_result_create(parent_taskid, atoi(row[7]), row[9]);
94 break;
95 }
96
97 zbx_vector_ptr_append(tasks, task);
98 }
99
100 DBfree_result(result);
101 }
102
103