function ctx_log_msg($func, $text, $type)
{
global $_context_log;
if ($_context_log) {
fprintf($_context_log, "%f %s %d %d %s %s %s\n", microtime(true), php_uname('n'), posix_getpid(), function_exists("hphp_get_thread_id") ? hphp_get_thread_id() : posix_getpid(), $type, $func, $text);
}
}
/**
* Generate a random UUID
*
* @see http://www.ietf.org/rfc/rfc4122.txt
* @return RFC 4122 UUID
*/
public static function uuid()
{
$node = env('SERVER_ADDR');
if (strpos($node, ':') !== false) {
if (substr_count($node, '::')) {
$node = str_replace('::', str_repeat(':0000', 8 - substr_count($node, ':')) . ':', $node);
}
$node = explode(':', $node);
$ipv6 = '';
foreach ($node as $id) {
$ipv6 .= str_pad(base_convert($id, 16, 2), 16, 0, STR_PAD_LEFT);
}
$node = base_convert($ipv6, 2, 10);
if (strlen($node) < 38) {
$node = null;
} else {
$node = crc32($node);
}
} elseif (empty($node)) {
$host = env('HOSTNAME');
if (empty($host)) {
$host = env('HOST');
}
if (!empty($host)) {
$ip = gethostbyname($host);
if ($ip === $host) {
$node = crc32($host);
} else {
$node = ip2long($ip);
}
}
} elseif ($node !== '127.0.0.1') {
$node = ip2long($node);
} else {
$node = null;
}
if (empty($node)) {
$node = crc32(Configure::read('Security.salt'));
}
if (function_exists('hphp_get_thread_id')) {
$pid = hphp_get_thread_id();
} else {
if (function_exists('zend_thread_id')) {
$pid = zend_thread_id();
} else {
$pid = getmypid();
}
}
if (!$pid || $pid > 65535) {
$pid = mt_rand(0, 0xfff) | 0x4000;
}
list($timeMid, $timeLow) = explode(' ', microtime());
$uuid = sprintf("%08x-%04x-%04x-%02x%02x-%04x%08x", (int) $timeLow, (int) substr($timeMid, 2) & 0xffff, mt_rand(0, 0xfff) | 0x4000, mt_rand(0, 0x3f) | 0x80, mt_rand(0, 0xff), $pid, $node);
return $uuid;
}
public function __construct()
{
$state = self::$state;
if (function_exists('posix_times')) {
$state .= serialize(posix_times());
}
if (!defined('HHVM_VERSION') && function_exists('zend_thread_id')) {
$state .= zend_thread_id();
}
if (function_exists('hphp_get_thread_id')) {
$state .= hphp_get_thread_id();
}
$state .= getmypid() . memory_get_usage();
$state .= serialize($_ENV);
$state .= serialize($_SERVER);
$state .= count(debug_backtrace(false));
self::$state = hash('sha512', $state, true);
if (is_null(self::$counter)) {
list(, self::$counter) = unpack("i", substr(self::$state, 0, 4));
$seed = $this->generate(strlen(dechex(PHP_INT_MAX)));
list(, self::$counter) = unpack("i", $seed);
}
}
