function ntlmauthenticator()
{
$sock = new sockets();
$MonitConfig = unserialize(base64_decode($sock->GET_INFO("SquidWatchdogMonitConfig")));
$MonitConfig = watchdog_config_default($MonitConfig);
$unix = new unix();
$cacheFile = "/usr/share/artica-postfix/ressources/logs/web/ntlmauthenticator.cache";
if (!$unix->isSquidNTLM()) {
if ($GLOBALS["VERBOSE"]) {
echo "NOT an NTLM proxy\n";
}
@unlink($cacheFile);
return;
}
$ADDNNEW = false;
$datas = explode("\n", $unix->squidclient("ntlmauthenticator"));
$CPU_NUMBER = 1;
$ARRAY = array();
if ($GLOBALS["VERBOSE"]) {
echo "Watchdog enabled: {$MonitConfig["watchdog"]}\n";
}
while (list($num, $ligne) = each($datas)) {
if (preg_match("#by kid([0-9]+)#", $ligne, $re)) {
$CPU_NUMBER = $re[1];
continue;
}
if (preg_match("#number active: ([0-9]+) of ([0-9]+)#", $ligne, $re)) {
$Active = intval($re[1]);
$Max = intval($re[2]);
$prc = round($Active / $Max * 100);
$ARRAY[$CPU_NUMBER] = $prc;
}
}
if (count($ARRAY) == 0) {
return;
}
if ($MonitConfig["watchdog"] == 1) {
while (list($CPU, $PRC) = each($ARRAY)) {
if ($GLOBALS["VERBOSE"]) {
echo "CPU.{$CPU} = {$PRC}%\n";
}
Events("ntlmauthenticator: CPU.{$CPU} = {$PRC}%");
$LOG[] = "Instance on CPU {$CPU} is {$PRC}% used.";
if ($PRC > 94) {
if ($Max + 5 < 151) {
$NewMax = $Max + 5;
$ADDNNEW = true;
squid_admin_mysql(2, "NTLM Authenticator on CPU {$CPU} reach 95%", "Artica will increase your ntlm authenticator processes to {$NewMax} instances \n\t\t\t\t\tper CPU and reload the Proxy service\r\nCurrent status:\r\n" . @implode("\r\n", $LOG));
}
}
}
}
if ($ADDNNEW) {
if ($NewMax > 0) {
$squid = new squidbee();
$SquidClientParams = unserialize(base64_decode(@file_get_contents("/etc/artica-postfix/settings/Daemons/SquidClientParams")));
$Old = $squid->auth_param_ntlm_children();
$SquidClientParams["auth_param_ntlm_children"] = $NewMax;
$SquidClientParams["auth_param_ntlm_startup"] = round($NewMax * 0.2);
@file_put_contents("/etc/artica-postfix/settings/Daemons/SquidClientParams", base64_encode(serialize($SquidClientParams)));
if (ntlmauthenticator_edit($NewMax)) {
$squid = $unix->LOCATE_SQUID_BIN();
$php = $unix->LOCATE_PHP5_BIN();
if (function_exists("debug_backtrace")) {
$trace = debug_backtrace();
if (isset($trace[1])) {
$file = basename($trace[1]["file"]);
$function = $trace[1]["function"];
$line = $trace[1]["line"];
$called = "Called by {$function}() from line {$line}";
}
}
squid_admin_mysql(1, "Reconfiguring squid-cache Increase NTLM From {$Old} to {$NewMax}", "{$called}");
shell_exec("{$php} /usr/share/artica-postfix/exec.squid.php --build --force");
}
}
}
@file_put_contents($cacheFile, serialize($ARRAY));
@chmod($cacheFile, 0755);
}
