[Cache] Lock-less FilesystemAdapter
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b85ab60b70
commit
53b1ee52a2
@ -63,9 +63,7 @@ class FilesystemAdapter extends AbstractAdapter
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if (!$h = @fopen($file, 'rb')) {
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if (!$h = @fopen($file, 'rb')) {
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continue;
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continue;
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}
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}
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flock($h, LOCK_SH);
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if ($now >= (int) $expiresAt = fgets($h)) {
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if ($now >= (int) $expiresAt = fgets($h)) {
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flock($h, LOCK_UN);
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fclose($h);
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fclose($h);
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if (isset($expiresAt[0])) {
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if (isset($expiresAt[0])) {
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@unlink($file);
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@unlink($file);
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@ -73,7 +71,6 @@ class FilesystemAdapter extends AbstractAdapter
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} else {
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} else {
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$i = rawurldecode(rtrim(fgets($h)));
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$i = rawurldecode(rtrim(fgets($h)));
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$value = stream_get_contents($h);
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$value = stream_get_contents($h);
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flock($h, LOCK_UN);
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fclose($h);
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fclose($h);
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if ($i === $id) {
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if ($i === $id) {
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$values[$id] = unserialize($value);
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$values[$id] = unserialize($value);
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@ -130,6 +127,7 @@ class FilesystemAdapter extends AbstractAdapter
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{
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{
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$ok = true;
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$ok = true;
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$expiresAt = $lifetime ? time() + $lifetime : PHP_INT_MAX;
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$expiresAt = $lifetime ? time() + $lifetime : PHP_INT_MAX;
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$tmp = $this->directory.uniqid('', true);
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foreach ($values as $id => $value) {
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foreach ($values as $id => $value) {
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$file = $this->getFile($id);
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$file = $this->getFile($id);
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@ -138,8 +136,9 @@ class FilesystemAdapter extends AbstractAdapter
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@mkdir($dir, 0777, true);
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@mkdir($dir, 0777, true);
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}
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}
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$value = $expiresAt."\n".rawurlencode($id)."\n".serialize($value);
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$value = $expiresAt."\n".rawurlencode($id)."\n".serialize($value);
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if (false !== @file_put_contents($file, $value, LOCK_EX)) {
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if (false !== @file_put_contents($tmp, $value)) {
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@touch($file, $expiresAt);
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@touch($tmp, $expiresAt);
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$ok = @rename($tmp, $file) && $ok;
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} else {
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} else {
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$ok = false;
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$ok = false;
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}
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}
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