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Daniele Alessandri
abd284c972
* Renamed SingleConnectionInterface to NodeConnectionInterface since this name is better and makes even more sense in the context of cluster and replication scenarios. * Moved specialized aggregate connections (the ones implementing both predis and redis cluster and master/slave replication) in a newly created Predis\Connection\Aggregate sub-namespace. * Removed the "Connection" part from names of aggregate connection interfaces in the Predis\Connection\Aggregate sub-namespace. * Changed "Composable" to "Composite" in the name of interfaces and classes that can use pluggable protocol processors.
49 lines
1.2 KiB
PHP
49 lines
1.2 KiB
PHP
<?php
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/*
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* This file is part of the Predis package.
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*
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* (c) Daniele Alessandri <suppakilla@gmail.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Predis\Protocol\Text\Handler;
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use Predis\CommunicationException;
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use Predis\Connection\CompositeConnectionInterface;
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use Predis\Protocol\ProtocolException;
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/**
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* Handler for the bulk response type in the standard Redis wire protocol.
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* It translates the payload to a string or a NULL.
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*
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* @link http://redis.io/topics/protocol
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* @author Daniele Alessandri <suppakilla@gmail.com>
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*/
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class BulkResponse implements ResponseHandlerInterface
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{
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/**
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* {@inheritdoc}
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*/
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public function handle(CompositeConnectionInterface $connection, $payload)
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{
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$length = (int) $payload;
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if ("$length" !== $payload) {
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CommunicationException::handle(new ProtocolException(
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$connection, "Cannot parse '$payload' as a valid length for a bulk response."
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));
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}
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if ($length >= 0) {
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return substr($connection->readBuffer($length + 2), 0, -2);
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}
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if ($length == -1) {
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return null;
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}
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}
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}
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