function log_write($data, FileDownload $file, IDownloader $downloader)
{
$cache = Environment::getCache("FileDownloader/log");
$log = array();
$tid = (string) $file->getTransferId();
if (!isset($cache["registry"])) {
$cache["registry"] = array();
}
$reg = $cache["registry"];
$reg[$tid] = true;
$cache["registry"] = $reg;
if (isset($cache[$tid])) {
$log = $cache[$tid];
}
Debugger::fireLog("Data: " . $data . "; " . $downloader->end);
$data = $data . ": " . Helpers::bytes($file->transferredBytes) . " <->; ";
if ($downloader instanceof AdvancedDownloader and $downloader->isInitialized()) {
$data .= "position: " . Helpers::bytes($downloader->position) . "; ";
//$data .= "length: ".Helpers::bytes($downloader->length)."; ";
$data .= "http-range: " . Helpers::bytes($downloader->start) . "-" . Helpers::bytes($downloader->end) . "; ";
$data .= "progress (con: " . round($file->transferredBytes / $downloader->end * 100) . "% X ";
$data .= "file: " . round($downloader->position / $file->sourceFileSize * 100) . "%)";
}
$log[] = $data;
$cache[$tid] = $log;
}
/**
* Download the file!
* @param IDownloader $downloader
*/
function download(IDownloader $downloader = null)
{
$req = Environment::getHttpRequest();
$res = Environment::getHttpResponse();
if (self::$closeSession) {
$ses = Environment::getSession();
if ($ses->isStarted()) {
$ses->close();
}
}
if ($this->getContentDisposition() == "inline" and is_null($this->enableBrowserCache)) {
$this->enableBrowserCache = true;
} else {
$this->enableBrowserCache = false;
}
if ($downloader === null) {
$downloaders = self::getFileDownloaders();
} else {
$downloaders = array($downloader);
}
if (count($downloaders) <= 0) {
throw new InvalidStateException("There is no registred downloader!");
}
krsort($downloaders);
$lastException = null;
foreach ($downloaders as $downloader) {
if ($downloader instanceof IDownloader and $downloader->isCompatible($this)) {
try {
FDTools::clearHeaders($res);
// Delete all headers
$this->transferredBytes = 0;
$this->onBeforeDownloaderStarts($this, $downloader);
$downloader->download($this);
// Start download
$this->onComplete($this, $downloader);
die;
// If all gone ok -> die
} catch (FDSkypeMeException $e) {
if ($res->isSent()) {
throw new InvalidStateException("Headers are already sent! Can't skip downloader.");
} else {
continue;
}
} catch (Exception $e) {
if (!$res->isSent()) {
FDTools::clearHeaders($res);
}
throw $e;
}
}
}
// Pokud se soubor nějakým způsobem odešle - toto už se nespustí
if ($lastException instanceof Exception) {
FDTools::clearHeaders(Environment::getHttpResponse(), TRUE);
throw $lastException;
}
if ($req->getHeader("Range")) {
FDTools::_HTTPError(416);
} else {
$res->setCode(500);
}
throw new InvalidStateException("There is no compatible downloader (all downloader returns downloader->isComplatible()=false or was skipped)!");
}
