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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 "events.h"
#define ZBX_NODE_MASTER 0
#define ZBX_NODE_SLAVE 1
extern int CONFIG_NODEID;
/******************************************************************************
* *
* Function: process_node *
* *
* Purpose: select all related nodes and send config changes *
* *
* Parameters: *
* *
* Return value: SUCCESS - processed succesfully *
* FAIL - an error occured *
* *
* Author: Alexei Vladishev *
* *
* Comments: *
* *
******************************************************************************/
static int process_node(int nodeid, int master_nodeid, zbx_uint64_t event_lastid)
{
DB_RESULT result;
DB_ROW row;
char *data;
char tmp[MAX_STRING_LEN];
int found = 0;
zbx_uint64_t eventid;
#define DATA_MAX 1024*1024
// zabbix_log( LOG_LEVEL_WARNING, "In process_node(local:%d, event_lastid:" ZBX_FS_UI64 ")",nodeid, event_lastid);
/* Begin work */
data = malloc(DATA_MAX);
memset(data,0,DATA_MAX);
zbx_snprintf(tmp,sizeof(tmp),"Events|%d|%d\n", CONFIG_NODEID, nodeid);
strncat(data,tmp,DATA_MAX);
result = DBselect("select eventid,triggerid,clock,value,acknowledged from events where eventid>" ZBX_FS_UI64 " and " ZBX_COND_NODEID " order by eventid", event_lastid, ZBX_NODE("eventid", nodeid));
while((row=DBfetch(result)))
{
ZBX_STR2UINT64(eventid,row[0])
// zabbix_log( LOG_LEVEL_WARNING, "Processing eventid " ZBX_FS_UI64, eventid);
found = 1;
zbx_snprintf(tmp,sizeof(tmp),"%s|%s|%s|%s|%s\n", row[0],row[1],row[2],row[3],row[4]);
strncat(data,tmp,DATA_MAX);
}
if(found == 1)
{
// zabbix_log( LOG_LEVEL_WARNING, "Sending [%s]",data);
if(send_to_node(master_nodeid, nodeid, data) == SUCCEED)
{
// zabbix_log( LOG_LEVEL_WARNING, "Updating nodes.event_lastid");
DBexecute("update nodes set event_lastid=" ZBX_FS_UI64 " where nodeid=%d", eventid, nodeid);
}
else
{
// zabbix_log( LOG_LEVEL_WARNING, "Not updating nodes.event_lastid");
}
}
DBfree_result(result);
free(data);
return SUCCEED;
}
/******************************************************************************
* *
* Function: main_eventsender *
* *
* Purpose: periodically sends new events to master node *
* *
* Parameters: *
* *
* Return value: *
* *
* Author: Alexei Vladishev *
* *
* Comments: never returns *
* *
******************************************************************************/
void main_eventsender()
{
DB_RESULT result;
DB_ROW row;
zbx_uint64_t lastid;
int nodeid;
int master_nodeid;
zabbix_log( LOG_LEVEL_DEBUG, "In main_eventsender()");
master_nodeid = get_master_node(CONFIG_NODEID);
if(master_nodeid == 0) return;
result = DBselect("select nodeid,event_lastid from nodes");
while((row = DBfetch(result)))
{
nodeid=atoi(row[0]);
ZBX_STR2UINT64(lastid,row[1])
process_node(nodeid, master_nodeid, lastid);
}
DBfree_result(result);
}
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