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add locking to the storage api

This commit is contained in:
Robin Appelman 2015-05-04 14:21:34 +02:00
parent cdf7f91259
commit 536e187e51
6 changed files with 117 additions and 0 deletions
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26
apps/files_sharing/lib/sharedstorage.php
View File

@ -31,6 +31,9 @@ namespace OC\Files\Storage;
use OC\Files\Filesystem;
use OCA\Files_Sharing\ISharedStorage;
use OCA\Files_Sharing\Propagator;
use OCA\Files_Sharing\SharedMount;
use OCP\Lock\ILockingProvider;
/**
* Convert target path to source path and pass the function call to the correct storage provider
@ -608,4 +611,27 @@ class Shared extends \OC\Files\Storage\Common implements ISharedStorage {
list($targetStorage, $targetInternalPath) = $this->resolvePath($targetInternalPath);
return $targetStorage->moveFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
}
/**
* @param string $path
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
* @param \OCP\Lock\ILockingProvider $provider
* @throws \OCP\Lock\LockedException
*/
public function acquireLock($path, $type, ILockingProvider $provider) {
/** @var \OCP\Files\Storage $targetStorage */
list($targetStorage, $targetInternalPath) = $this->resolvePath($path);
$targetStorage->acquireLock($targetInternalPath, $type, $provider);
}
/**
* @param string $path
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
* @param \OCP\Lock\ILockingProvider $provider
*/
public function releaseLock($path, $type, ILockingProvider $provider) {
/** @var \OCP\Files\Storage $targetStorage */
list($targetStorage, $targetInternalPath) = $this->resolvePath($path);
$targetStorage->releaseLock($targetInternalPath, $type, $provider);
}
}

20
lib/private/files/storage/common.php
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@ -43,6 +43,7 @@ use OCP\Files\FileNameTooLongException;
use OCP\Files\InvalidCharacterInPathException;
use OCP\Files\InvalidPathException;
use OCP\Files\ReservedWordException;
use OCP\Lock\ILockingProvider;
/**
* Storage backend class for providing common filesystem operation methods
@ -621,4 +622,23 @@ abstract class Common implements Storage {
return $data;
}
/**
* @param string $path
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
* @param \OCP\Lock\ILockingProvider $provider
* @throws \OCP\Lock\LockedException
*/
public function acquireLock($path, $type, ILockingProvider $provider) {
$provider->acquireLock($this->getId() . '::' . $path, $type);
}
/**
* @param string $path
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
* @param \OCP\Lock\ILockingProvider $provider
*/
public function releaseLock($path, $type, ILockingProvider $provider) {
$provider->releaseLock($this->getId() . '::' . $path, $type);
}
}

15
lib/private/files/storage/storage.php
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@ -21,6 +21,7 @@
*/
namespace OC\Files\Storage;
use OCP\Lock\ILockingProvider;
/**
* Provide a common interface to all different storage options
@ -76,4 +77,18 @@ interface Storage extends \OCP\Files\Storage {
*/
public function getMetaData($path);
/**
* @param string $path
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
* @param \OCP\Lock\ILockingProvider $provider
* @throws \OCP\Lock\LockedException
*/
public function acquireLock($path, $type, ILockingProvider $provider);
/**
* @param string $path
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
* @param \OCP\Lock\ILockingProvider $provider
*/
public function releaseLock($path, $type, ILockingProvider $provider);
}

20
lib/private/files/storage/wrapper/jail.php
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@ -23,6 +23,7 @@
namespace OC\Files\Storage\Wrapper;
use OC\Files\Cache\Wrapper\CacheJail;
use OCP\Lock\ILockingProvider;
/**
* Jail to a subdirectory of the wrapped storage
@ -424,4 +425,23 @@ class Jail extends Wrapper {
public function getETag($path) {
return $this->storage->getETag($this->getSourcePath($path));
}
/**
* @param string $path
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
* @param \OCP\Lock\ILockingProvider $provider
* @throws \OCP\Lock\LockedException
*/
public function acquireLock($path, $type, ILockingProvider $provider) {
$this->storage->acquireLock($this->getSourcePath($path), $type, $provider);
}
/**
* @param string $path
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
* @param \OCP\Lock\ILockingProvider $provider
*/
public function releaseLock($path, $type, ILockingProvider $provider) {
$this->storage->releaseLock($this->getSourcePath($path), $type, $provider);
}
}

20
lib/private/files/storage/wrapper/wrapper.php
View File

@ -25,6 +25,7 @@
namespace OC\Files\Storage\Wrapper;
use OCP\Files\InvalidPathException;
use OCP\Lock\ILockingProvider;
class Wrapper implements \OC\Files\Storage\Storage {
/**
@ -541,4 +542,23 @@ class Wrapper implements \OC\Files\Storage\Storage {
public function getMetaData($path) {
return $this->storage->getMetaData($path);
}
/**
* @param string $path
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
* @param \OCP\Lock\ILockingProvider $provider
* @throws \OCP\Lock\LockedException
*/
public function acquireLock($path, $type, ILockingProvider $provider) {
$this->storage->acquireLock($path, $type, $provider);
}
/**
* @param string $path
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
* @param \OCP\Lock\ILockingProvider $provider
*/
public function releaseLock($path, $type, ILockingProvider $provider) {
$this->storage->releaseLock($path, $type, $provider);
}
}

16
lib/public/files/storage.php
View File

@ -33,6 +33,7 @@
// This means that they should be used by apps instead of the internal ownCloud classes
namespace OCP\Files;
use OCP\Files\InvalidPathException;
use OCP\Lock\ILockingProvider;
/**
* Provide a common interface to all different storage options
@ -413,4 +414,19 @@ interface Storage {
* @since 8.1.0
*/
public function moveFromStorage(\OCP\Files\Storage $sourceStorage, $sourceInternalPath, $targetInternalPath);
/**
* @param string $path
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
* @param \OCP\Lock\ILockingProvider $provider
* @throws \OCP\Lock\LockedException
*/
public function acquireLock($path, $type, ILockingProvider $provider);
/**
* @param string $path
* @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
* @param \OCP\Lock\ILockingProvider $provider
*/
public function releaseLock($path, $type, ILockingProvider $provider);
}