sendfile()
| public static sendfile ( mixed $outfd, string $path, callable $cb, callable $startCb = null, integer $offset, integer $length = null, integer $pri = EIO_PRI_DEFAULT ) : true | ||
| $outfd | mixed | File descriptor |
| $path | string | Path |
| $cb | callable | Callback |
| $startCb | callable | Start callback |
| $offset | integer | Offset |
| $length | integer | Length |
| $pri | integer | Priority |
| return | true | Success |
/**
* Output whole contents of file
* @param string $path Path
* @param callable $cb Callback
* @param integer $pri Priority
* @return boolean Success
*/
public function sendfile($path, $cb, $pri = EIO_PRI_DEFAULT)
{
if ($this->state === self::STATE_FINISHED) {
return false;
}
try {
$this->header('Content-Type: ' . MIME::get($path));
} catch (RequestHeadersAlreadySent $e) {
}
if ($this->upstream->checkSendfileCap()) {
FileSystem::sendfile($this->upstream, $path, $cb, function ($file, $length, $handler) {
try {
$this->header('Content-Length: ' . $length);
} catch (RequestHeadersAlreadySent $e) {
}
$this->ensureSentHeaders();
$this->upstream->onWriteOnce(function ($conn) use($handler, $file) {
$handler($file);
});
return true;
}, 0, null, $pri);
return true;
}
$first = true;
FileSystem::readfileChunked($path, $cb, function ($file, $chunk) use(&$first) {
// readed chunk
if ($this->upstream->isFreed()) {
return false;
}
if ($first) {
try {
$this->header('Content-Length: ' . $file->stat['size']);
} catch (RequestHeadersAlreadySent $e) {
}
$first = false;
}
$this->out($chunk);
return true;
});
return true;
}