Subversion-Projekte lars-tiefland.laravel_shop

<?php

namespace Illuminate\Queue;

use Illuminate\Contracts\Queue\ClearableQueue;

use Illuminate\Contracts\Queue\Queue as QueueContract;

use Illuminate\Contracts\Redis\Factory as Redis;

use Illuminate\Queue\Jobs\RedisJob;

use Illuminate\Support\Str;

class RedisQueue extends Queue implements QueueContract, ClearableQueue

{

    /**

     * The Redis factory implementation.

     *

     * @var \Illuminate\Contracts\Redis\Factory

     */

    protected $redis;

    /**

     * The connection name.

     *

     * @var string

     */

    protected $connection;

    /**

     * The name of the default queue.

     *

     * @var string

     */

    protected $default;

    /**

     * The expiration time of a job.

     *

     * @var int|null

     */

    protected $retryAfter = 60;

    /**

     * The maximum number of seconds to block for a job.

     *

     * @var int|null

     */

    protected $blockFor = null;

    /**

     * The batch size to use when migrating delayed / expired jobs onto the primary queue.

     *

     * Negative values are infinite.

     *

     * @var int

     */

    protected $migrationBatchSize = -1;

    /**

     * Create a new Redis queue instance.

     *

     * @param  \Illuminate\Contracts\Redis\Factory  $redis

     * @param  string  $default

     * @param  string|null  $connection

     * @param  int  $retryAfter

     * @param  int|null  $blockFor

     * @param  bool  $dispatchAfterCommit

     * @param  int  $migrationBatchSize

     * @return void

     */

    public function __construct(Redis $redis,

                                $default = 'default',

                                $connection = null,

                                $retryAfter = 60,

                                $blockFor = null,

                                $dispatchAfterCommit = false,

                                $migrationBatchSize = -1)

    {

        $this->redis = $redis;

        $this->default = $default;

        $this->blockFor = $blockFor;

        $this->connection = $connection;

        $this->retryAfter = $retryAfter;

        $this->dispatchAfterCommit = $dispatchAfterCommit;

        $this->migrationBatchSize = $migrationBatchSize;

    }

    /**

     * Get the size of the queue.

     *

     * @param  string|null  $queue

     * @return int

     */

    public function size($queue = null)

    {

        $queue = $this->getQueue($queue);

        return $this->getConnection()->eval(

            LuaScripts::size(), 3, $queue, $queue.':delayed', $queue.':reserved'

        );

    }

    /**

     * Push an array of jobs onto the queue.

     *

     * @param  array  $jobs

     * @param  mixed  $data

     * @param  string|null  $queue

     * @return void

     */

    public function bulk($jobs, $data = '', $queue = null)

    {

        $this->getConnection()->pipeline(function () use ($jobs, $data, $queue) {

            $this->getConnection()->transaction(function () use ($jobs, $data, $queue) {

                foreach ((array) $jobs as $job) {

                    if (isset($job->delay)) {

                        $this->later($job->delay, $job, $data, $queue);

                    } else {

                        $this->push($job, $data, $queue);

                    }

                }

            });

        });

    }

    /**

     * Push a new job onto the queue.

     *

     * @param  object|string  $job

     * @param  mixed  $data

     * @param  string|null  $queue

     * @return mixed

     */

    public function push($job, $data = '', $queue = null)

    {

        return $this->enqueueUsing(

            $job,

            $this->createPayload($job, $this->getQueue($queue), $data),

            $queue,

            null,

            function ($payload, $queue) {

                return $this->pushRaw($payload, $queue);

            }

        );

    }

    /**

     * Push a raw payload onto the queue.

     *

     * @param  string  $payload

     * @param  string|null  $queue

     * @param  array  $options

     * @return mixed

     */

    public function pushRaw($payload, $queue = null, array $options = [])

    {

        $this->getConnection()->eval(

            LuaScripts::push(), 2, $this->getQueue($queue),

            $this->getQueue($queue).':notify', $payload

        );

        return json_decode($payload, true)['id'] ?? null;

    }

    /**

     * Push a new job onto the queue after a delay.

     *

     * @param  \DateTimeInterface|\DateInterval|int  $delay

     * @param  object|string  $job

     * @param  mixed  $data

     * @param  string|null  $queue

     * @return mixed

     */

    public function later($delay, $job, $data = '', $queue = null)

    {

        return $this->enqueueUsing(

            $job,

            $this->createPayload($job, $this->getQueue($queue), $data),

            $queue,

            $delay,

            function ($payload, $queue, $delay) {

                return $this->laterRaw($delay, $payload, $queue);

            }

        );

    }

    /**

     * Push a raw job onto the queue after (n) seconds.

     *

     * @param  \DateTimeInterface|\DateInterval|int  $delay

     * @param  string  $payload

     * @param  string|null  $queue

     * @return mixed

     */

    protected function laterRaw($delay, $payload, $queue = null)

    {

        $this->getConnection()->zadd(

            $this->getQueue($queue).':delayed', $this->availableAt($delay), $payload

        );

        return json_decode($payload, true)['id'] ?? null;

    }

    /**

     * Create a payload string from the given job and data.

     *

     * @param  string  $job

     * @param  string  $queue

     * @param  mixed  $data

     * @return array

     */

    protected function createPayloadArray($job, $queue, $data = '')

    {

        return array_merge(parent::createPayloadArray($job, $queue, $data), [

            'id' => $this->getRandomId(),

            'attempts' => 0,

        ]);

    }

    /**

     * Pop the next job off of the queue.

     *

     * @param  string|null  $queue

     * @return \Illuminate\Contracts\Queue\Job|null

     */

    public function pop($queue = null)

    {

        $this->migrate($prefixed = $this->getQueue($queue));

        [$job, $reserved] = $this->retrieveNextJob($prefixed);

        if ($reserved) {

            return new RedisJob(

                $this->container, $this, $job,

                $reserved, $this->connectionName, $queue ?: $this->default

            );

        }

    }

    /**

     * Migrate any delayed or expired jobs onto the primary queue.

     *

     * @param  string  $queue

     * @return void

     */

    protected function migrate($queue)

    {

        $this->migrateExpiredJobs($queue.':delayed', $queue);

        if (! is_null($this->retryAfter)) {

            $this->migrateExpiredJobs($queue.':reserved', $queue);

        }

    }

    /**

     * Migrate the delayed jobs that are ready to the regular queue.

     *

     * @param  string  $from

     * @param  string  $to

     * @param  int  $limit

     * @return array

     */

    public function migrateExpiredJobs($from, $to)

    {

        return $this->getConnection()->eval(

            LuaScripts::migrateExpiredJobs(), 3, $from, $to, $to.':notify', $this->currentTime(), $this->migrationBatchSize

        );

    }

    /**

     * Retrieve the next job from the queue.

     *

     * @param  string  $queue

     * @param  bool  $block

     * @return array

     */

    protected function retrieveNextJob($queue, $block = true)

    {

        $nextJob = $this->getConnection()->eval(

            LuaScripts::pop(), 3, $queue, $queue.':reserved', $queue.':notify',

            $this->availableAt($this->retryAfter)

        );

        if (empty($nextJob)) {

            return [null, null];

        }

        [$job, $reserved] = $nextJob;

        if (! $job && ! is_null($this->blockFor) && $block &&

            $this->getConnection()->blpop([$queue.':notify'], $this->blockFor)) {

            return $this->retrieveNextJob($queue, false);

        }

        return [$job, $reserved];

    }

    /**

     * Delete a reserved job from the queue.

     *

     * @param  string  $queue

     * @param  \Illuminate\Queue\Jobs\RedisJob  $job

     * @return void

     */

    public function deleteReserved($queue, $job)

    {

        $this->getConnection()->zrem($this->getQueue($queue).':reserved', $job->getReservedJob());

    }

    /**

     * Delete a reserved job from the reserved queue and release it.

     *

     * @param  string  $queue

     * @param  \Illuminate\Queue\Jobs\RedisJob  $job

     * @param  int  $delay

     * @return void

     */

    public function deleteAndRelease($queue, $job, $delay)

    {

        $queue = $this->getQueue($queue);

        $this->getConnection()->eval(

            LuaScripts::release(), 2, $queue.':delayed', $queue.':reserved',

            $job->getReservedJob(), $this->availableAt($delay)

        );

    }

    /**

     * Delete all of the jobs from the queue.

     *

     * @param  string  $queue

     * @return int

     */

    public function clear($queue)

    {

        $queue = $this->getQueue($queue);

        return $this->getConnection()->eval(

            LuaScripts::clear(), 4, $queue, $queue.':delayed',

            $queue.':reserved', $queue.':notify'

        );

    }

    /**

     * Get a random ID string.

     *

     * @return string

     */

    protected function getRandomId()

    {

        return Str::random(32);

    }

    /**

     * Get the queue or return the default.

     *

     * @param  string|null  $queue

     * @return string

     */

    public function getQueue($queue)

    {

        return 'queues:'.($queue ?: $this->default);

    }

    /**

     * Get the connection for the queue.

     *

     * @return \Illuminate\Redis\Connections\Connection

     */

    public function getConnection()

    {

        return $this->redis->connection($this->connection);

    }

    /**

     * Get the underlying Redis instance.

     *

     * @return \Illuminate\Contracts\Redis\Factory

     */

    public function getRedis()

    {

        return $this->redis;

    }

}