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/*
** ZABBIX
** Copyright (C) 2000-2006 SIA Zabbix
**
** 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., 675 Mass Ave, Cambridge, MA 02139, USA.
**/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <sys/wait.h>
#include <string.h>
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
/* Required for getpwuid */
#include <pwd.h>
#include <signal.h>
#include <errno.h>
#include <time.h>
#include "common.h"
#include "cfg.h"
#include "db.h"
#include "log.h"
#include "zlog.h"
#include "nodecomms.h"
#include "nodesender.h"
#include "history.h"
/******************************************************************************
* *
* Function: process_node_history_str *
* *
* Purpose: process new history_str data *
* *
* Parameters: *
* *
* Return value: SUCCESS - processed succesfully *
* FAIL - an error occured *
* *
* Author: Alexei Vladishev *
* *
* Comments: *
* *
******************************************************************************/
static int process_node_history_str(int nodeid, int master_nodeid)
{
DB_RESULT result;
DB_ROW row;
char *data;
char sql[MAX_STRING_LEN];
int found = 0;
int offset = 0;
int allocated = 1024*1024;
zbx_uint64_t id;
zabbix_log( LOG_LEVEL_DEBUG, "In process_node_history_str(nodeid:%d, master_nodeid:%d",nodeid, master_nodeid);
/* Begin work */
data = malloc(allocated);
memset(data,0,allocated);
zbx_snprintf_alloc(&data, &allocated, &offset, 128, "History|%d|%d", CONFIG_NODEID, nodeid);
zbx_snprintf(sql,sizeof(sql),"select id,itemid,clock,value from history_str_sync where nodeid=%d order by id", nodeid);
result = DBselectN(sql, 10000);
while((row=DBfetch(result)))
{
ZBX_STR2UINT64(id,row[0])
found = 1;
zbx_snprintf_alloc(&data, &allocated, &offset, 1024, "\n%d|%s|%s|%s",
ZBX_TABLE_HISTORY_STR,row[1],row[2],row[3]);
}
if(found == 1)
{
if(send_to_node(master_nodeid, nodeid, data) == SUCCEED)
{
/* zabbix_log( LOG_LEVEL_WARNING, "Updating nodes.history_lastid");*/
DBexecute("update nodes set history_str_lastid=" ZBX_FS_UI64 " where nodeid=%d", id, nodeid);
DBexecute("delete from history_str_sync where nodeid=%d and id<=" ZBX_FS_UI64, nodeid, id);
}
else
{
zabbix_log( LOG_LEVEL_DEBUG, "Not updating nodes.history_str_lastid");
}
}
DBfree_result(result);
free(data);
return SUCCEED;
}
/******************************************************************************
* *
* Function: process_node_history_uint *
* *
* Purpose: process new history_uint data *
* *
* Parameters: *
* *
* Return value: SUCCESS - processed succesfully *
* FAIL - an error occured *
* *
* Author: Alexei Vladishev *
* *
* Comments: *
* *
******************************************************************************/
static int process_node_history_uint(int nodeid, int master_nodeid)
{
DB_RESULT result;
DB_ROW row;
char *data;
char sql[MAX_STRING_LEN];
int found = 0;
int offset = 0;
int allocated = 1024*1024;
int start, end;
zbx_uint64_t id;
zabbix_log( LOG_LEVEL_DEBUG, "In process_node_history_uint(nodeid:%d, master_nodeid:%d)",nodeid, master_nodeid);
/* Begin work */
start = time(NULL);
data = malloc(allocated);
memset(data,0,allocated);
zbx_snprintf_alloc(&data, &allocated, &offset, 128, "History|%d|%d", CONFIG_NODEID, nodeid);
zbx_snprintf(sql,sizeof(sql),"select id,itemid,clock,value from history_uint_sync where nodeid=%d order by id", nodeid);
result = DBselectN(sql, 10000);
while((row=DBfetch(result)))
{
ZBX_STR2UINT64(id,row[0])
found = 1;
zbx_snprintf_alloc(&data, &allocated, &offset, 128, "\n%d|%s|%s|%s",
ZBX_TABLE_HISTORY_UINT,row[1],row[2],row[3]);
}
if(found == 1)
{
if(send_to_node(master_nodeid, nodeid, data) == SUCCEED)
{
/* zabbix_log( LOG_LEVEL_WARNING, "Updating nodes.history_lastid"); */
DBexecute("update nodes set history_uint_lastid=" ZBX_FS_UI64 " where nodeid=%d", id, nodeid);
DBexecute("delete from history_uint_sync where nodeid=%d and id<=" ZBX_FS_UI64, nodeid, id);
}
else
{
zabbix_log( LOG_LEVEL_DEBUG, "Not updating nodes.history_uint_lastid");
}
}
DBfree_result(result);
free(data);
end = time(NULL);
zabbix_log( LOG_LEVEL_DEBUG, "Spent %d seconds in process_node_history_uint",end-start);
return SUCCEED;
}
/******************************************************************************
* *
* Function: process_node_history *
* *
* Purpose: process new history data *
* *
* Parameters: *
* *
* Return value: SUCCESS - processed succesfully *
* FAIL - an error occured *
* *
* Author: Alexei Vladishev *
* *
* Comments: *
* *
******************************************************************************/
static int process_node_history(int nodeid, int master_nodeid)
{
DB_RESULT result;
DB_ROW row;
char *data;
char sql[MAX_STRING_LEN];
int found = 0;
int offset = 0;
int allocated = 1024*1024;
int start, end;
zbx_uint64_t id;
zabbix_log( LOG_LEVEL_DEBUG, "In process_node_history(nodeid:%d, master_nodeid:%d",nodeid, master_nodeid);
/* Begin work */
start = time(NULL);
data = malloc(allocated);
memset(data,0,allocated);
zbx_snprintf_alloc(&data, &allocated, &offset, 128, "History|%d|%d", CONFIG_NODEID, nodeid);
zbx_snprintf(sql,sizeof(sql),"select id,itemid,clock,value from history_sync where nodeid=%d order by id", nodeid);
result = DBselectN(sql, 10000);
while((row=DBfetch(result)))
{
ZBX_STR2UINT64(id,row[0])
found = 1;
zbx_snprintf_alloc(&data, &allocated, &offset, 128, "\n%d|%s|%s|%s",
ZBX_TABLE_HISTORY,row[1],row[2],row[3]);
}
if(found == 1)
{
zabbix_log( LOG_LEVEL_DEBUG, "Sending [%s]",data);
if(send_to_node(master_nodeid, nodeid, data) == SUCCEED)
{
/* zabbix_log( LOG_LEVEL_WARNING, "Updating nodes.history_lastid=" ZBX_FS_UI64, id); */
DBexecute("update nodes set history_lastid=" ZBX_FS_UI64 " where nodeid=%d", id, nodeid);
DBexecute("delete from history_sync where nodeid=%d and id<=" ZBX_FS_UI64, nodeid, id);
}
else
{
zabbix_log( LOG_LEVEL_DEBUG, "Not updating nodes.history_lastid");
}
}
DBfree_result(result);
free(data);
end = time(NULL);
zabbix_log( LOG_LEVEL_DEBUG, "Spent %d seconds in process_node_history",end-start);
return SUCCEED;
}
/******************************************************************************
* *
* Function: process_node *
* *
* Purpose: process all history tables for this node *
* *
* Parameters: *
* *
* Return value: SUCCESS - processed succesfully *
* FAIL - an error occured *
* *
* Author: Alexei Vladishev *
* *
* Comments: *
* *
******************************************************************************/
static void process_node(int nodeid, int master_nodeid)
{
zabbix_log( LOG_LEVEL_DEBUG, "In process_node(local:%d, master_nodeid:" ZBX_FS_UI64 ")",nodeid, master_nodeid);
process_node_history(nodeid, master_nodeid);
process_node_history_uint(nodeid, master_nodeid);
process_node_history_str(nodeid, master_nodeid);
}
/******************************************************************************
* *
* Function: main_historysender *
* *
* Purpose: periodically sends historical data to master node *
* *
* Parameters: *
* *
* Return value: *
* *
* Author: Alexei Vladishev *
* *
* Comments: *
* *
******************************************************************************/
void main_historysender()
{
DB_RESULT result;
DB_ROW row;
zbx_uint64_t lastid;
int nodeid;
int master_nodeid;
zabbix_log( LOG_LEVEL_DEBUG, "In main_historysender()");
DBbegin();
master_nodeid = get_master_node(CONFIG_NODEID);
if(master_nodeid == 0) return;
result = DBselect("select nodeid from nodes");
while((row = DBfetch(result)))
{
nodeid=atoi(row[0]);
ZBX_STR2UINT64(lastid,row[1])
process_node(nodeid, master_nodeid);
}
DBfree_result(result);
DBcommit();
}
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