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/*
*
* Copyright 2016, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef GRPCXX_IMPL_CODEGEN_THRIFT_SERIALIZER_INL_H
#define GRPCXX_IMPL_CODEGEN_THRIFT_SERIALIZER_INL_H
#include <stdexcept>
#include <string>
#include <grpc++/impl/codegen/thrift_serializer.h>
#include <grpc/impl/codegen/byte_buffer_reader.h>
#include <grpc/impl/codegen/slice.h>
#include <grpc/impl/codegen/slice_buffer.h>
#include <thrift/protocol/TProtocolException.h>
namespace apache {
namespace thrift {
namespace util {
using apache::thrift::protocol::TMessageType;
template <typename Dummy, typename P>
template <typename T>
void ThriftSerializer<Dummy, P>::serialize(const T& fields,
const uint8_t** serializedBuffer, size_t* serializedLen) {
// prepare or reset buffer
if (!prepared_ || lastDeserialized_) {
prepare();
} else {
buffer_->resetBuffer();
}
lastDeserialized_ = false;
// if required serialize protocol version
if (serializeVersion_) {
protocol_->writeMessageBegin("", TMessageType(0), 0);
}
// serilaize fields into buffer
fields.write(protocol_.get());
// write the end of message
if (serializeVersion_) {
protocol_->writeMessageEnd();
}
// assign buffer to string
uint8_t* byteBuffer;
uint32_t byteBufferSize;
buffer_->getBuffer(&byteBuffer, &byteBufferSize);
*serializedBuffer = byteBuffer;
*serializedLen = byteBufferSize;
}
template <typename Dummy, typename P>
template <typename T>
void ThriftSerializer<Dummy, P>::serialize(const T& fields, grpc_byte_buffer** bp) {
const uint8_t* byteBuffer;
size_t byteBufferSize;
serialize(fields, &byteBuffer, &byteBufferSize);
gpr_slice slice = gpr_slice_from_copied_buffer((char*)byteBuffer,byteBufferSize);
*bp = grpc_raw_byte_buffer_create(&slice, 1);
gpr_slice_unref(slice);
}
template <typename Dummy, typename P>
template <typename T>
uint32_t ThriftSerializer<Dummy, P>::deserialize(const uint8_t* serializedBuffer,
size_t length, T* fields) {
// prepare buffer if necessary
if (!prepared_) {
prepare();
}
lastDeserialized_ = true;
//reset buffer transport
buffer_->resetBuffer((uint8_t*)serializedBuffer, length);
// read the protocol version if necessary
if (serializeVersion_) {
std::string name = "";
TMessageType mt = (TMessageType) 0;
int32_t seq_id = 0;
protocol_->readMessageBegin(name, mt, seq_id);
}
// deserialize buffer into fields
uint32_t len = fields->read(protocol_.get());
// read the end of message
if (serializeVersion_) {
protocol_->readMessageEnd();
}
return len;
}
template <typename Dummy, typename P>
template <typename T>
uint32_t ThriftSerializer<Dummy, P>::deserialize(grpc_byte_buffer* bp, T* fields) {
grpc_byte_buffer_reader reader;
grpc_byte_buffer_reader_init(&reader, bp);
gpr_slice slice = grpc_byte_buffer_reader_readall(&reader);
uint32_t len = deserialize(GPR_SLICE_START_PTR(slice), GPR_SLICE_LENGTH(slice), fields);
gpr_slice_unref(slice);
grpc_byte_buffer_reader_destroy(&reader);
return len;
}
template <typename Dummy, typename P>
void ThriftSerializer<Dummy, P>::setSerializeVersion(bool value) {
serializeVersion_ = value;
}
template <typename Dummy, typename P>
void
ThriftSerializer<Dummy, P>::prepare()
{
buffer_.reset(new TMemoryBuffer());
// create a protocol for the memory buffer transport
protocol_.reset(new Protocol(buffer_));
prepared_ = true;
}
}}} // namespace apache::thrift::util
#endif
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