function start()
{
$pidfile = "/etc/artica-postfix/pids/" . basename(__FILE__) . ".pid";
$pidTime = "/etc/artica-postfix/pids/" . basename(__FILE__) . ".time";
if ($GLOBALS["VERBOSE"]) {
echo "TimeFile:{$pidTime}\n";
}
$unix = new unix();
if ($unix->file_time_min($pidTime) < 1) {
die;
}
if ($unix->process_exists(@file_get_contents($pidfile, basename(__FILE__)))) {
if ($GLOBALS["VERBOSE"]) {
echo " --> Already executed.. " . @file_get_contents($pidfile) . " aborting the process\n";
}
writelogs(basename(__FILE__) . ":Already executed.. aborting the process", basename(__FILE__), __FILE__, __LINE__);
die;
}
@file_put_contents($pidfile, getmypid());
if (system_is_overloaded(basename(__FILE__))) {
if ($GLOBALS["VERBOSE"]) {
echo "die, overloaded\n";
}
die;
}
@unlink($pidTime);
@file_put_contents($pidTime, time());
if ($argv[1] == 'email') {
BuildWarning('100', '0');
exit;
}
$timef = file_get_time_min("/etc/artica-postfix/croned.2/" . md5(__FILE__));
if ($timef < 5) {
events("die, 5mn minimal current {$timef}mn");
die;
}
@unlink("/etc/artica-postfix/croned.2/" . md5(__FILE__));
@file_put_contents("/etc/artica-postfix/croned.2/" . md5(__FILE__), date('Y-m-d H:i:s'));
$users = new usersMenus();
$ini = new Bs_IniHandler();
$page = CurrentPageName();
$sock = new sockets();
$ini->loadString($sock->GET_INFO("SmtpNotificationConfig"));
if (!isset($ini->_params["SMTP"]["SystemCPUAlarm"])) {
die;
}
if ($ini->_params["SMTP"]["SystemCPUAlarm"] == 0) {
die;
}
if (!is_numeric($ini->_params["SMTP"]["enabled"])) {
$ini->_params["SMTP"]["enabled"] = 1;
}
if (!is_numeric($ini->_params["SMTP"]["SystemCPUAlarm"])) {
$ini->_params["SMTP"]["SystemCPUAlarm"] = 0;
}
if ($ini->_params["SMTP"]["SystemCPUAlarm"] == null) {
$ini->_params["SMTP"]["SystemCPUAlarm"] = 0;
}
if ($ini->_params["SMTP"]["SystemCPUAlarmPourc"] == null) {
$ini->_params["SMTP"]["SystemCPUAlarmPourc"] = 95;
}
if ($ini->_params["SMTP"]["SystemCPUAlarmMin"] == null) {
$ini->_params["SMTP"]["SystemCPUAlarmMin"] = 5;
}
if ($ini->_params["SMTP"]["enabled"] == 0) {
events("{$page} SMTP notification is not enabled");
die;
}
$filestatus = "/etc/artica-postfix/mpstat.status";
$timestamp = mktime(date("H"), date("i"), 0, date('m'), date('Y'));
$timestamp_string = date("H") . "," . date("i") . "," . date('j');
if (!isset($GLOBALS["ISVALS"])) {
$GLOBALS["ISVALS"] = trim(exec('/usr/share/artica-postfix/bin/cpu-alarm.pl'));
}
$cpu = intval($GLOBALS["ISVALS"]);
if (!is_file($filestatus)) {
file_put_contents($filestatus, "{$timestamp_string};{$cpu}\n");
events("{$page} CPU: {$cpu}%");
die;
}
$cpu_total = 0;
$count = 0;
$file_datas = explode("\n", file_get_contents($filestatus));
events("{$filestatus}=" . count($file_datas) . " lines number");
$old_timestamp = 0;
while (list($num, $ligne) = each($file_datas)) {
if (trim($ligne == null)) {
continue;
}
usleep(300000);
if (preg_match('#^([0-9,]+);(.+)#', $ligne, $re)) {
$newfileARRAY[] = $ligne;
$count = $count + 1;
$t = explode(",", $re[1]);
if ($old_timestamp == 0) {
$old_timestamp = mktime($t[0], $t[1], 0, date('m'), date('Y'));
events("old_timestamp={$old_timestamp} line {$num}");
}
$cpu_total = $cpu_total + intval(trim($re[2]));
} else {
events("{$page} unable to preg_match {$ligne}");
}
}
$cpu_total = $cpu_total + $cpu;
$cpuaverage = floor($cpu_total / ($count + 1));
$difference = $timestamp - $old_timestamp;
$difference = str_replace("-", '', $difference);
$difference = intval($difference);
$filetime = floor($difference / 60);
$newfileARRAY[] = "{$timestamp_string};{$cpu}";
events("{$page} CPU average: {$cpuaverage}% last cpu in " . $filetime . " minute(s) \"{$difference}\" [must reach {$ini->_params["SMTP"]["SystemCPUAlarmMin"]}mn] cache file={$count} line(s): current: {$cpu}%");
if ($filetime < $ini->_params["SMTP"]["SystemCPUAlarmMin"]) {
file_put_contents($filestatus, implode("\n", $newfileARRAY));
die;
}
if ($cpuaverage >= $ini->_params["SMTP"]["SystemCPUAlarmPourc"]) {
if (system_is_overloaded()) {
events("{$page} Build warning CPU overload {$cpu}% and overloaded {$GLOBALS["SYSTEM_INTERNAL_LOAD"]}/{$GLOBALS["SYSTEM_MAX_LOAD"]}");
BuildWarning($cpuaverage, $filetime);
}
}
events("{$page} Clean cache...");
unset($newfileARRAY);
$newfileARRAY[] = "{$timestamp_string};{$cpu}";
file_put_contents($filestatus, implode("\n", $newfileARRAY));
}
}
$cpu_total = $cpu_total + $cpu;
$cpuaverage = floor($cpu_total / ($count + 1));
$difference = $timestamp - $old_timestamp;
$difference = str_replace("-", '', $difference);
$difference = intval($difference);
$filetime = floor($difference / 60);
$newfileARRAY[] = "{$timestamp_string};{$cpu}";
events("{$page} CPU average: {$cpuaverage}% last cpu in " . $filetime . " minute(s) \"{$difference}\" [must reach {$ini->_params["SMTP"]["SystemCPUAlarmMin"]}mn] cache file={$count} line(s): current: {$cpu}%");
if ($filetime < $ini->_params["SMTP"]["SystemCPUAlarmMin"]) {
file_put_contents($filestatus, implode("\n", $newfileARRAY));
die;
}
if ($cpuaverage >= $ini->_params["SMTP"]["SystemCPUAlarmPourc"]) {
events("{$page} Build warning CPU overload {$cpu}%");
BuildWarning($cpuaverage, $filetime);
}
events("{$page} Clean cache...");
unset($newfileARRAY);
$newfileARRAY[] = "{$timestamp_string};{$cpu}";
file_put_contents($filestatus, implode("\n", $newfileARRAY));
function BuildWarning($cpu, $time)
{
$subject = "CPU overload ({$cpu}%)";
exec("/bin/ps -w axo ppid,pcpu,pmem,time,args --sort -pcpu,-pmem|/usr/bin/head --lines=20 >/tmp.top.txt 2>&1");
$top = file_get_contents("/tmp.top.txt");
@unlink("/tmp.top.txt");
$text = "Artica report that your {$hostname} server has reach {$cpu}% CPU average consumption in {$time} minute(s)\n\n\tYou will find below a processes report:\n---------------------------------------------\n\n{$top}";
send_email_events($subject, $text, 'system');
}
function events($text)
