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<?php
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
* @package thrift.protocol
* @author: rmarin ([email protected])
*/
namespace Thrift\Serializer;
use Thrift\Transport\TMemoryBuffer;
use Thrift\Protocol\TBinaryProtocolAccelerated;
use Thrift\Type\TMessageType;
/**
* Utility class for serializing and deserializing
* a thrift object using TBinaryProtocolAccelerated.
*/
class TBinarySerializer
{
// NOTE(rmarin): Because thrift_protocol_write_binary
// adds a begin message prefix, you cannot specify
// a transport in which to serialize an object. It has to
// be a string. Otherwise we will break the compatibility with
// normal deserialization.
public static function serialize($object)
{
$transport = new TMemoryBuffer();
$protocol = new TBinaryProtocolAccelerated($transport);
if (function_exists('thrift_protocol_write_binary')) {
thrift_protocol_write_binary(
$protocol,
$object->getName(),
TMessageType::REPLY,
$object,
0,
$protocol->isStrictWrite()
);
$protocol->readMessageBegin($unused_name, $unused_type, $unused_seqid);
} else {
$object->write($protocol);
}
$protocol->getTransport()->flush();
return $transport->getBuffer();
}
public static function deserialize($string_object, $class_name, $buffer_size = 8192)
{
$transport = new TMemoryBuffer();
$protocol = new TBinaryProtocolAccelerated($transport);
if (function_exists('thrift_protocol_read_binary')) {
// NOTE (t.heintz) TBinaryProtocolAccelerated internally wraps our TMemoryBuffer in a
// TBufferedTransport, so we have to retrieve it again or risk losing data when writing
// less than 512 bytes to the transport (see the comment there as well).
// @see THRIFT-1579
$protocol->writeMessageBegin('', TMessageType::REPLY, 0);
$protocolTransport = $protocol->getTransport();
$protocolTransport->write($string_object);
$protocolTransport->flush();
return thrift_protocol_read_binary($protocol, $class_name, $protocol->isStrictRead(), $buffer_size);
} else {
$transport->write($string_object);
$object = new $class_name();
$object->read($protocol);
return $object;
}
}
}
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