private function msg_type_call($message)
{
// printf("msg_type_call: %s\n", print_r($message, true));
if (!is_array($message) || count($message) !== 2) {
GWF_Log::logCritical("Dog_WorkerThread::msg_type_call() - The message from queue is not array(func, args)");
} elseif (!GWF_Callback::isCallback($message[0])) {
GWF_Log::logCritical("Dog_WorkerThread::msg_type_call() - message[0] is not a valid callback");
} elseif (!is_array($message[1])) {
GWF_Log::logCritical("Dog_WorkerThread::msg_type_call() - message[1] is not an args array");
} else {
// printf("msg_type_call: %s\n%s", print_r($message[0]), print_r($message[1]));
return call_user_func_array($message[0], $message[1]);
}
}
protected static function proc_rw_with_callbacks($command, array $callbacks = array(), $input = null)
{
$descriptors = array(0 => array('pipe', 'r'), 1 => array('pipe', 'rw'), 2 => array('pipe', 'rw'));
if (!is_array($callbacks)) {
$callbacks = array();
} else {
$callbacks = array_values($callbacks);
}
for ($i = count($callbacks); $i < 3; $i++) {
$callbacks[] = null;
}
# Remove invalids
for ($i = 0; $i < 3; $i++) {
if (!GWF_Callback::isCallback($callbacks[$i])) {
GWF_Log::logCritical("GWF_Worker::proc_with_callback() - Invalid callback {$i}: " . GWF_Callback::printCallback($callbacks[$i]));
$callbacks[$i] = null;
}
}
# Default handlers
if ($callbacks[1] === null) {
$callbacks[1] = array(__CLASS__, '_proc_out');
}
if ($callbacks[2] === null) {
$callbacks[2] = array(__CLASS__, '_proc_err');
}
$pipes = null;
if (false === ($proc = proc_open($command, $descriptors, $pipes, null, $_ENV))) {
return self::err('ERR_GENERAL', array(__FILE__, __LINE__));
}
fclose($pipes[0]);
$read_output = $read_error = false;
$buffer_len = $prev_buffer_len = 0;
$ms = 10;
// $output = '';
$read_output = true;
// $error = '';
$read_error = true;
stream_set_blocking($pipes[1], 0);
stream_set_blocking($pipes[2], 0);
// dual reading of STDOUT and STDERR stops one full pipe blocking the other, because the external script is waiting
while ($read_error != false || $read_output != false) {
if ($read_output != false) {
if (feof($pipes[1])) {
fclose($pipes[1]);
$read_output = false;
} else {
$str = fread($pipes[1], 1024);
$len = strlen($str);
if ($len) {
call_user_func($callbacks[1], $str);
$buffer_len += $len;
}
}
}
if ($read_error != false) {
if (feof($pipes[2])) {
fclose($pipes[2]);
$read_error = false;
} else {
$str = fread($pipes[2], 1024);
$len = strlen($str);
if ($len) {
call_user_func($callbacks[2], $str);
$buffer_len += $len;
}
}
}
if ($buffer_len > $prev_buffer_len) {
$prev_buffer_len = $buffer_len;
$ms = 10;
} else {
usleep($ms * 1000);
// sleep for $ms milliseconds
if ($ms < 160) {
$ms = $ms * 2;
}
}
}
// fclose($pipes[1]);
// fclose($pipes[2]);
proc_close($proc);
}