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Fixes album export by reducing memory usage of the scripts.

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Chunks the output buffer to 4kB chunks. This means the Download.php
script will no longer run out of memory when trying to stream a
tar file the output buffer.
This commit is contained in:
Dennis Brentjes 2020-02-26 21:41:38 +01:00
parent 20db3561cf
commit 9d10d53d9f
2 changed files with 14 additions and 17 deletions

2
app.php

@ -27,6 +27,6 @@ set_error_handler('ErrorHandler::handleError');
ini_set("display_errors", DEBUG ? "On" : "Off");
// The real magic starts here!
ob_start();
ob_start(null, 32768);
Dispatcher::dispatch();
ob_end_flush();

29
controllers/Download.php

@ -53,20 +53,6 @@ class Download extends HTMLController
{
$files = array();
$album_ids = array_merge(array($album->id_tag), $this->getChildAlbumIds($album->id_tag));
foreach($album_ids as $album_id)
{
$iterator = AssetIterator::getByOptions(
array(
'id_tag' => $album_id
)
);
while($asset = $iterator->Next())
{
$files[] = join(DIRECTORY_SEPARATOR, array('.', $asset->getSubdir(), $asset->getFilename()));
}
}
$descriptorspec = array(
0 => array('pipe', 'r'),
1 => array('pipe', 'w'),
@ -93,8 +79,19 @@ class Download extends HTMLController
header('Content-Type: application/octet-stream');
header('Content-Transfer-Encoding: binary');
foreach($files as $file)
fwrite($pipes[0], $file . "\0");
$album_ids = array_merge(array($album->id_tag), $this->getChildAlbumIds($album->id_tag));
foreach($album_ids as $album_id)
{
$iterator = AssetIterator::getByOptions(
array(
'id_tag' => $album_id
)
);
while($asset = $iterator->Next())
{
fwrite($pipes[0], join(DIRECTORY_SEPARATOR, array('.', $asset->getSubdir(), $asset->getFilename())) . "\0");
}
}
fclose($pipes[0]);