48 lines
1.4 KiB
PHP
48 lines
1.4 KiB
PHP
<?php
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namespace NoccyLabs\React\WebSocket\Group;
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use Evenement\EventEmitterInterface;
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use Evenement\EventEmitterTrait;
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use React\EventLoop\Loop;
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class GroupManager implements EventEmitterInterface
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{
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use EventEmitterTrait;
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/**
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* @var string emitted when a new group is created
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*/
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const EVENT_CREATED = 'created';
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/**
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* @var string emitted after the last member leaves, when the group is destroyed
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*/
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const EVENT_DESTROYED = 'destroyed';
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/** @var array<string,ConnectionGroup> */
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private array $groups = [];
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public function getConnectionGroup(string $name): ConnectionGroup
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{
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if (!array_key_exists($name, $this->groups)) {
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$group = new ConnectionGroup($name);
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$this->groups[$name] = $group;
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// Clean up group when the last member leaves
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$group->on(ConnectionGroup::EVENT_LEAVE, function () use ($group) {
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Loop::futureTick(function () use ($group) {
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if (count($group) === 0) {
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$this->emit(self::EVENT_DESTROYED, [ $group ]);
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$group->removeAllListeners();
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unset($this->groups[$group->getName()]);
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}
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});
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});
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$this->emit(self::EVENT_CREATED, [ $group ]);
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} else {
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$group = $this->groups[$name];
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}
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return $group;
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}
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} |