switch-ztp/www/swreg/pinger.php

#!/usr/bin/env -S php
<?php
#-
# Copyright (c) 2011-2015 Joe Clarke <jclarke@cisco.com>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
#

include_once '/usr/local/www/apache22/data/db.inc.php';
include_once 'swreg.inc.php';
require_once 'MDB2.php';
require_once 'Log.php';

$dsn = "mysql://$db_user:$db_pass@$db_host/$db_name";
$options = array('result_buffering', false);

$dbh = MDB2::factory($dsn, $options);
if (PEAR::isError($dbh)) {
        die($dbh->getMessage());
}
$dbh->setFetchMode(MDB2_FETCHMODE_ASSOC);

$logger = Log::singleton('file', LOGFILE, TOOL_NAME . ' : Pinger');
if ($logger === FALSE) {
	die("Failed to open logfile.\n");
}
$mask = Log::UPTO(LOG_LEVEL);
$logger->setMask($mask);

$FPING = FPING_PROGRAM;

$sql = 'SELECT ps.serial_number AS serial_number, ls.ip_address AS ip_address, ps.device_status AS status FROM DEVICE_MAP ps, SWITCHES ls WHERE ps.assigned_switch = ls.name';
$res = $dbh->query($sql);
if (PEAR::isError($res)) {
	$logger->crit("Failed to execute '$sql': {$res->getUserInfo()}");
	exit(1);
}

while ($row = $res->fetchRow()) {
	$status = 0;
	$output = NULL;
	$result = 0;
	exec("$FPING -q -C 1 {$row['ip_address']} 2>/dev/null", $output, $result);
	exec("$FPING -q -C 1 {$row['ip_address']} 2>/dev/null", $output, $result);
	if ($result == 0) {
		$status = 2;
	} else {
		if ($row['status'] == 2 || $row['status'] == 1) {
			$status = 1;
		}
	}

	$sql = 'UPDATE DEVICE_MAP SET device_status = ? WHERE serial_number = ?';
	$sth = $dbh->prepare($sql);
	if (PEAR::isError($sth)) {
		$logger->error("Failed to prepapre query '$sql' : {$sth->getUserInfo()}");
		continue;
	}

	$lres = $sth->execute(array($status, $row['serial_number']));
	$sth->free();
	if (PEAR::isError($lres)) {
		$logger->error("Failed to execute query '$sql' : {$lres->getUserInfo()}");
		continue;
	}
}

$dbh->disconnect();
$logger->close();

?>