* @since 1.20
*/
abstract class QuorumLockManager extends LockManager {
- /** @var Array Map of bucket indexes to peer server lists */
- protected $srvsByBucket = array(); // (bucket index => (lsrv1, lsrv2, ...))
- /** @var Array Map of degraded buckets */
- protected $degradedBuckets = array(); // (buckey index => UNIX timestamp)
+ /** @var array Map of bucket indexes to peer server lists */
+ protected $srvsByBucket = []; // (bucket index => (lsrv1, lsrv2, ...))
+
+ /** @var array Map of degraded buckets */
+ protected $degradedBuckets = []; // (buckey index => UNIX timestamp)
final protected function doLock( array $paths, $type ) {
- return $this->doLockByType( array( $type => $paths ) );
+ return $this->doLockByType( [ $type => $paths ] );
}
final protected function doUnlock( array $paths, $type ) {
- return $this->doUnlockByType( array( $type => $paths ) );
+ return $this->doUnlockByType( [ $type => $paths ] );
}
protected function doLockByType( array $pathsByType ) {
$status = Status::newGood();
- $pathsToLock = array(); // (bucket => type => paths)
+ $pathsToLock = []; // (bucket => type => paths)
// Get locks that need to be acquired (buckets => locks)...
foreach ( $pathsByType as $type => $paths ) {
foreach ( $paths as $path ) {
}
}
- $lockedPaths = array(); // files locked in this attempt (type => paths)
+ $lockedPaths = []; // files locked in this attempt (type => paths)
// Attempt to acquire these locks...
foreach ( $pathsToLock as $bucket => $pathsToLockByType ) {
// Try to acquire the locks for this bucket
protected function doUnlockByType( array $pathsByType ) {
$status = Status::newGood();
- $pathsToUnlock = array(); // (bucket => type => paths)
+ $pathsToUnlock = []; // (bucket => type => paths)
foreach ( $pathsByType as $type => $paths ) {
foreach ( $paths as $path ) {
if ( !isset( $this->locksHeld[$path][$type] ) ) {
}
if ( !count( $this->locksHeld ) ) {
$status->merge( $this->releaseAllLocks() );
- $this->degradedBuckets = array(); // safe to retry the normal quorum
+ $this->degradedBuckets = []; // safe to retry the normal quorum
}
return $status;
* Attempt to acquire locks with the peers for a bucket.
* This is all or nothing; if any key is locked then this totally fails.
*
- * @param $bucket integer
+ * @param int $bucket
* @param array $pathsByType Map of LockManager::LOCK_* constants to lists of paths
* @return Status
*/
/**
* Attempt to release locks with the peers for a bucket
*
- * @param $bucket integer
+ * @param int $bucket
* @param array $pathsByType Map of LockManager::LOCK_* constants to lists of paths
* @return Status
*/
foreach ( $this->srvsByBucket[$bucket] as $lockSrv ) {
if ( !$this->isServerUp( $lockSrv ) ) {
$status->warning( 'lockmanager-fail-svr-release', $lockSrv );
- // Attempt to release the lock on this peer
} else {
+ // Attempt to release the lock on this peer
$status->merge( $this->freeLocksOnServer( $lockSrv, $pathsByType ) );
++$yesVotes; // success for this peer
// Normally the first peers form the quorum, and the others are ignored.
* Get the bucket for resource path.
* This should avoid throwing any exceptions.
*
- * @param $path string
- * @return integer
+ * @param string $path
+ * @return int
*/
protected function getBucketFromPath( $path ) {
$prefix = substr( sha1( $path ), 0, 2 ); // first 2 hex chars (8 bits)
* Check if a lock server is up.
* This should process cache results to reduce RTT.
*
- * @param $lockSrv string
+ * @param string $lockSrv
* @return bool
*/
abstract protected function isServerUp( $lockSrv );
/**
* Get a connection to a lock server and acquire locks
*
- * @param $lockSrv string
+ * @param string $lockSrv
* @param array $pathsByType Map of LockManager::LOCK_* constants to lists of paths
* @return Status
*/
*
* Subclasses must effectively implement this or releaseAllLocks().
*
- * @param $lockSrv string
+ * @param string $lockSrv
* @param array $pathsByType Map of LockManager::LOCK_* constants to lists of paths
* @return Status
*/