/**
* Spawn new worker processes
* @param $n - integer - number of workers to spawn
* @return boolean - success
*/
public function spawnWorkers($n)
{
if (FS::$supported) {
eio_event_loop();
}
$n = (int) $n;
for ($i = 0; $i < $n; ++$i) {
$thread = new Daemon_WorkerThread();
$this->workers->push($thread);
$this->callbacks->push(function ($self) use($thread) {
$pid = $thread->start();
if ($pid < 0) {
Daemon::log('could not fork worker');
} elseif ($pid === 0) {
// worker
Daemon::log('Unexcepted execution return to outside of Thread_start()');
exit;
}
});
}
return true;
}
/**
* Spawn IPC process
* @param $n - integer - number of workers to spawn
* @return boolean - success
*/
protected function spawnIPCThread()
{
if (FileSystem::$supported) {
eio_event_loop();
}
$thread = new IPC();
$this->ipcthreads->push($thread);
$this->callbacks->push(function ($self) use($thread) {
$thread->start();
$pid = $thread->getPid();
if ($pid < 0) {
Daemon::$process->log('could not fork IPCThread');
} elseif ($pid === 0) {
// worker
$this->log('Unexcepted execution return to outside of Thread->start()');
exit;
}
});
if ($this->eventBase) {
$this->eventBase->stop();
}
return true;
}
public function test_readfile_eio()
{
$time_start = microtime(true);
echo "reading file is started....<br/>";
$file_open_cb = function ($data, $result) {
eio_read($result, 10485760, 0, EIO_PRI_DEFAULT, function ($data, $result) {
echo str_word_count($result) . "<br/>";
eio_close($data);
}, $result);
};
$filename = './assets/data/access.log';
eio_open($filename, EIO_O_RDWR, NULL, EIO_PRI_DEFAULT, $file_open_cb, $filename);
$filename = './assets/data/error.log';
eio_open($filename, EIO_O_RDWR, NULL, EIO_PRI_DEFAULT, $file_open_cb, $filename);
echo "reading file is finish....<br/>";
eio_event_loop();
$time_end = microtime(true);
$time = $time_end - $time_start;
echo "Execution time: {$time} seconds<br/>";
}
/**
* Doesn't do anything unless the eio extension is loaded
*
* Will block until the sync is complete
*
* @throws IOException If the sync fails
* @return void
*/
public function sync()
{
if (!$this->file) {
throw new IOException('Cannot sync file: file is not open');
}
if (extension_loaded('eio')) {
$success = false;
eio_fsync($this->file, null, function ($data, $result) use(&$success) {
if ($result === 0) {
$success = true;
}
});
eio_event_loop();
if (!$success) {
throw new IOException('Failed to sync file to disk');
}
}
}
