<?php

namespace Channel;

use Workerman\Connection\TcpConnection;

class Queue
{
    public $name = 'default';
    public $watcher = array();
    public $consumer = array();
    protected $queue = null;

    public function __construct($name)
    {
        $this->name = $name;
        $this->queue = new \SplQueue();
    }

    /**
     * @param TcpConnection $connection
     */
    public function addWatch($connection)
    {
        if (!isset($this->watcher[$connection->id])) {
            $this->watcher[$connection->id] = $connection;
            $connection->watchs[] = $this->name;
        }
    }

    /**
     * @param TcpConnection $connection
     */
    public function removeWatch($connection)
    {
        if (isset($connection->watchs) && in_array($this->name, $connection->watchs)) {
            $idx = array_search($this->name, $connection->watchs);
            unset($connection->watchs[$idx]);
        }
        if (isset($this->watcher[$connection->id])) {
            unset($this->watcher[$connection->id]);
        }
        if (isset($this->consumer[$connection->id])) {
            unset($this->consumer[$connection->id]);
        }
    }

    /**
     * @param TcpConnection $connection
     */
    public function addConsumer($connection)
    {
        if (isset($this->watcher[$connection->id]) && !isset($this->consumer[$connection->id])) {
            $this->consumer[$connection->id] = $connection;
        }
        $this->dispatch();
    }

    public function enqueue($data)
    {
        $this->queue->enqueue($data);
        $this->dispatch();
    }

    private function dispatch()
    {
        if ($this->queue->isEmpty() || count($this->consumer) == 0) {
            return;
        }

        while (!$this->queue->isEmpty()) {
            $data = $this->queue->dequeue();
            $idx = key($this->consumer);
            $connection = $this->consumer[$idx];
            unset($this->consumer[$idx]);
            $connection->send(serialize(array('type'=>'queue', 'channel'=>$this->name, 'data' => $data)));
            if (count($this->consumer) == 0) {
                break;
            }
        }
    }

    public function isEmpty()
    {
        return empty($this->watcher) && $this->queue->isEmpty();
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NDE1Njc3NjI5MDQ2MTk5MSAyMjg3NzE4MDY3NTI3NTkwIDkzOTU4MzI2ODA2NjY0Njg=