diff options
Diffstat (limited to 'lib/private/Command')
-rw-r--r-- | lib/private/Command/AsyncBus.php | 140 | ||||
-rw-r--r-- | lib/private/Command/CallableJob.php | 35 | ||||
-rw-r--r-- | lib/private/Command/ClosureJob.php | 37 | ||||
-rw-r--r-- | lib/private/Command/CommandJob.php | 39 | ||||
-rw-r--r-- | lib/private/Command/FileAccess.php | 35 | ||||
-rw-r--r-- | lib/private/Command/QueueBus.php | 72 |
6 files changed, 358 insertions, 0 deletions
diff --git a/lib/private/Command/AsyncBus.php b/lib/private/Command/AsyncBus.php new file mode 100644 index 00000000000..eb692f9a8fb --- /dev/null +++ b/lib/private/Command/AsyncBus.php @@ -0,0 +1,140 @@ +<?php +/** + * @author Robin Appelman <icewind@owncloud.com> + * + * @copyright Copyright (c) 2016, ownCloud, Inc. + * @license AGPL-3.0 + * + * This code is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License, version 3, + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License, version 3, + * along with this program. If not, see <http://www.gnu.org/licenses/> + * + */ + +namespace OC\Command; + +use OCP\Command\IBus; +use OCP\Command\ICommand; +use SuperClosure\Serializer; + +/** + * Asynchronous command bus that uses the background job system as backend + */ +class AsyncBus implements IBus { + /** + * @var \OCP\BackgroundJob\IJobList + */ + private $jobList; + + /** + * List of traits for command which require sync execution + * + * @var string[] + */ + private $syncTraits = []; + + /** + * @param \OCP\BackgroundJob\IJobList $jobList + */ + function __construct($jobList) { + $this->jobList = $jobList; + } + + /** + * Schedule a command to be fired + * + * @param \OCP\Command\ICommand | callable $command + */ + public function push($command) { + if ($this->canRunAsync($command)) { + $this->jobList->add($this->getJobClass($command), $this->serializeCommand($command)); + } else { + $this->runCommand($command); + } + } + + /** + * Require all commands using a trait to be run synchronous + * + * @param string $trait + */ + public function requireSync($trait) { + $this->syncTraits[] = trim($trait, '\\'); + } + + /** + * @param \OCP\Command\ICommand | callable $command + */ + private function runCommand($command) { + if ($command instanceof ICommand) { + $command->handle(); + } else { + $command(); + } + } + + /** + * @param \OCP\Command\ICommand | callable $command + * @return string + */ + private function getJobClass($command) { + if ($command instanceof \Closure) { + return 'OC\Command\ClosureJob'; + } else if (is_callable($command)) { + return 'OC\Command\CallableJob'; + } else if ($command instanceof ICommand) { + return 'OC\Command\CommandJob'; + } else { + throw new \InvalidArgumentException('Invalid command'); + } + } + + /** + * @param \OCP\Command\ICommand | callable $command + * @return string + */ + private function serializeCommand($command) { + if ($command instanceof \Closure) { + $serializer = new Serializer(); + return $serializer->serialize($command); + } else if (is_callable($command) or $command instanceof ICommand) { + return serialize($command); + } else { + throw new \InvalidArgumentException('Invalid command'); + } + } + + /** + * @param \OCP\Command\ICommand | callable $command + * @return bool + */ + private function canRunAsync($command) { + $traits = $this->getTraits($command); + foreach ($traits as $trait) { + if (array_search($trait, $this->syncTraits) !== false) { + return false; + } + } + return true; + } + + /** + * @param \OCP\Command\ICommand | callable $command + * @return string[] + */ + private function getTraits($command) { + if ($command instanceof ICommand) { + return class_uses($command); + } else { + return []; + } + } +} diff --git a/lib/private/Command/CallableJob.php b/lib/private/Command/CallableJob.php new file mode 100644 index 00000000000..acfeb83d606 --- /dev/null +++ b/lib/private/Command/CallableJob.php @@ -0,0 +1,35 @@ +<?php +/** + * @author Robin Appelman <icewind@owncloud.com> + * + * @copyright Copyright (c) 2016, ownCloud, Inc. + * @license AGPL-3.0 + * + * This code is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License, version 3, + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License, version 3, + * along with this program. If not, see <http://www.gnu.org/licenses/> + * + */ + +namespace OC\Command; + +use OC\BackgroundJob\QueuedJob; + +class CallableJob extends QueuedJob { + protected function run($serializedCallable) { + $callable = unserialize($serializedCallable); + if (is_callable($callable)) { + $callable(); + } else { + throw new \InvalidArgumentException('Invalid serialized callable'); + } + } +} diff --git a/lib/private/Command/ClosureJob.php b/lib/private/Command/ClosureJob.php new file mode 100644 index 00000000000..be2b5f0a4ba --- /dev/null +++ b/lib/private/Command/ClosureJob.php @@ -0,0 +1,37 @@ +<?php +/** + * @author Robin Appelman <icewind@owncloud.com> + * + * @copyright Copyright (c) 2016, ownCloud, Inc. + * @license AGPL-3.0 + * + * This code is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License, version 3, + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License, version 3, + * along with this program. If not, see <http://www.gnu.org/licenses/> + * + */ + +namespace OC\Command; + +use OC\BackgroundJob\QueuedJob; +use SuperClosure\Serializer; + +class ClosureJob extends QueuedJob { + protected function run($serializedCallable) { + $serializer = new Serializer(); + $callable = $serializer->unserialize($serializedCallable); + if (is_callable($callable)) { + $callable(); + } else { + throw new \InvalidArgumentException('Invalid serialized callable'); + } + } +} diff --git a/lib/private/Command/CommandJob.php b/lib/private/Command/CommandJob.php new file mode 100644 index 00000000000..5d613c0305b --- /dev/null +++ b/lib/private/Command/CommandJob.php @@ -0,0 +1,39 @@ +<?php +/** + * @author Robin Appelman <icewind@owncloud.com> + * + * @copyright Copyright (c) 2016, ownCloud, Inc. + * @license AGPL-3.0 + * + * This code is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License, version 3, + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License, version 3, + * along with this program. If not, see <http://www.gnu.org/licenses/> + * + */ + +namespace OC\Command; + +use OC\BackgroundJob\QueuedJob; +use OCP\Command\ICommand; + +/** + * Wrap a command in the background job interface + */ +class CommandJob extends QueuedJob { + protected function run($serializedCommand) { + $command = unserialize($serializedCommand); + if ($command instanceof ICommand) { + $command->handle(); + } else { + throw new \InvalidArgumentException('Invalid serialized command'); + } + } +} diff --git a/lib/private/Command/FileAccess.php b/lib/private/Command/FileAccess.php new file mode 100644 index 00000000000..6fe3e111aef --- /dev/null +++ b/lib/private/Command/FileAccess.php @@ -0,0 +1,35 @@ +<?php +/** + * @author Robin Appelman <icewind@owncloud.com> + * + * @copyright Copyright (c) 2016, ownCloud, Inc. + * @license AGPL-3.0 + * + * This code is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License, version 3, + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License, version 3, + * along with this program. If not, see <http://www.gnu.org/licenses/> + * + */ + +namespace OC\Command; + +use OCP\IUser; + +trait FileAccess { + protected function setupFS(IUser $user){ + \OC_Util::setupFS($user->getUID()); + } + + protected function getUserFolder(IUser $user) { + $this->setupFS($user); + return \OC::$server->getUserFolder($user->getUID()); + } +} diff --git a/lib/private/Command/QueueBus.php b/lib/private/Command/QueueBus.php new file mode 100644 index 00000000000..be4ee589e6f --- /dev/null +++ b/lib/private/Command/QueueBus.php @@ -0,0 +1,72 @@ +<?php +/** + * @author Robin Appelman <icewind@owncloud.com> + * + * @copyright Copyright (c) 2016, ownCloud, Inc. + * @license AGPL-3.0 + * + * This code is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License, version 3, + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License, version 3, + * along with this program. If not, see <http://www.gnu.org/licenses/> + * + */ + +namespace OC\Command; + +use OCP\Command\IBus; +use OCP\Command\ICommand; + +class QueueBus implements IBus { + /** + * @var (ICommand|callable)[] + */ + private $queue = []; + + /** + * Schedule a command to be fired + * + * @param \OCP\Command\ICommand | callable $command + */ + public function push($command) { + $this->queue[] = $command; + } + + /** + * Require all commands using a trait to be run synchronous + * + * @param string $trait + */ + public function requireSync($trait) { + } + + /** + * @param \OCP\Command\ICommand | callable $command + */ + private function runCommand($command) { + if ($command instanceof ICommand) { + // ensure the command can be serialized + $serialized = serialize($command); + if(strlen($serialized) > 4000) { + throw new \InvalidArgumentException('Trying to push a command which serialized form can not be stored in the database (>4000 character)'); + } + $unserialized = unserialize($serialized); + $unserialized->handle(); + } else { + $command(); + } + } + + public function run() { + while ($command = array_shift($this->queue)) { + $this->runCommand($command); + } + } +} |