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<?php |
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/** |
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* This file is part of the Tarantool Client package. |
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* |
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* (c) Eugene Leonovich <[email protected]> |
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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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declare(strict_types=1); |
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namespace Tarantool\Client\Packer; |
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use MessagePack\BufferUnpacker; |
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use MessagePack\Packer; |
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use MessagePack\PackOptions; |
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use MessagePack\TypeTransformer\Extension; |
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use MessagePack\UnpackOptions; |
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use Symfony\Component\Uid\Uuid; |
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use Tarantool\Client\Keys; |
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use Tarantool\Client\Packer\Extension\DecimalExtension; |
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use Tarantool\Client\Packer\Extension\UuidExtension; |
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use Tarantool\Client\Packer\Packer as ClientPacker; |
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use Tarantool\Client\Request\Request; |
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use Tarantool\Client\Response; |
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final class PurePacker implements ClientPacker |
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{ |
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/** @var Packer */ |
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private $packer; |
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/** @var BufferUnpacker */ |
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private $unpacker; |
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public function __construct(?Packer $packer = null, ?BufferUnpacker $unpacker = null) |
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{ |
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$this->packer = $packer ?: new Packer(PackOptions::FORCE_STR); |
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$this->unpacker = $unpacker ?: new BufferUnpacker(); |
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} |
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public static function fromExtensions(Extension $extension, Extension ...$extensions) : self |
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{ |
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$extensions = [-1 => $extension] + $extensions; |
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return new self( |
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new Packer(PackOptions::FORCE_STR, $extensions), |
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new BufferUnpacker('', \extension_loaded('decimal') ? UnpackOptions::BIGINT_AS_DEC : null, $extensions) |
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); |
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} |
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public static function fromAvailableExtensions() : self |
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{ |
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$extensions = []; |
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if (\class_exists(Uuid::class)) { |
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$extensions[] = new UuidExtension(); |
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} |
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if (\extension_loaded('decimal')) { |
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$extensions[] = new DecimalExtension(); |
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return new self( |
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new Packer(PackOptions::FORCE_STR, $extensions), |
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new BufferUnpacker('', UnpackOptions::BIGINT_AS_DEC, $extensions) |
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); |
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} |
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return new self( |
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new Packer(PackOptions::FORCE_STR, $extensions), |
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new BufferUnpacker('', null, $extensions) |
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); |
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} |
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public function pack(Request $request, int $sync) : string |
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{ |
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// hot path optimization |
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$packet = \pack('C*', 0x82, Keys::CODE, $request->getType(), Keys::SYNC). |
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$this->packer->packInt($sync). |
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$this->packer->packMap($request->getBody()); |
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return PacketLength::pack(\strlen($packet)).$packet; |
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} |
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public function unpack(string $packet) : Response |
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{ |
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$this->unpacker->reset($packet); |
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return new Response( |
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$this->unpacker->unpackMap(), |
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$this->unpacker->unpackMap() |
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); |
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} |
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} |
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tarantool-php /
client
Let’s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let’s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: