mirror of https://github.com/grpc/grpc.git
Craig Tiller
8 years ago
commit
1168e81478
8 changed files with 32 additions and 314 deletions
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/*
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* |
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* Copyright 2016, Google Inc. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following disclaimer |
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* in the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of Google Inc. nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#ifndef GRPCXX_IMPL_CODEGEN_THRIFT_SERIALIZER_H |
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#define GRPCXX_IMPL_CODEGEN_THRIFT_SERIALIZER_H |
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#include <grpc/impl/codegen/byte_buffer_reader.h> |
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#include <grpc/impl/codegen/slice.h> |
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#include <thrift/protocol/TBinaryProtocol.h> |
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#include <thrift/protocol/TCompactProtocol.h> |
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#include <thrift/protocol/TProtocolException.h> |
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#include <thrift/transport/TBufferTransports.h> |
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#include <thrift/transport/TTransportUtils.h> |
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#include <boost/make_shared.hpp> |
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#include <memory> |
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#include <stdexcept> |
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#include <string> |
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namespace apache { |
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namespace thrift { |
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namespace util { |
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using apache::thrift::protocol::TBinaryProtocolT; |
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using apache::thrift::protocol::TCompactProtocolT; |
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using apache::thrift::protocol::TMessageType; |
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using apache::thrift::protocol::TNetworkBigEndian; |
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using apache::thrift::transport::TMemoryBuffer; |
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using apache::thrift::transport::TBufferBase; |
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using apache::thrift::transport::TTransport; |
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template <typename Dummy, typename Protocol> |
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class ThriftSerializer { |
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public: |
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ThriftSerializer() |
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: prepared_(false), |
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last_deserialized_(false), |
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serialize_version_(false) {} |
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virtual ~ThriftSerializer() {} |
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// Serialize the passed type into the internal buffer
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// and returns a pointer to internal buffer and its size
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template <typename T> |
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void Serialize(const T& fields, const uint8_t** serialized_buffer, |
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size_t* serialized_len) { |
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// prepare or reset buffer
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if (!prepared_ || last_deserialized_) { |
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prepare(); |
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} else { |
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buffer_->resetBuffer(); |
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} |
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last_deserialized_ = false; |
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// if required serialize protocol version
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if (serialize_version_) { |
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protocol_->writeMessageBegin("", TMessageType(0), 0); |
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} |
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// serialize fields into buffer
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fields.write(protocol_.get()); |
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// write the end of message
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if (serialize_version_) { |
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protocol_->writeMessageEnd(); |
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} |
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uint8_t* byte_buffer; |
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uint32_t byte_buffer_size; |
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buffer_->getBuffer(&byte_buffer, &byte_buffer_size); |
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*serialized_buffer = byte_buffer; |
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*serialized_len = byte_buffer_size; |
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} |
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// Serialize the passed type into the byte buffer
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template <typename T> |
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void Serialize(const T& fields, grpc_byte_buffer** bp) { |
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const uint8_t* byte_buffer; |
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size_t byte_buffer_size; |
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Serialize(fields, &byte_buffer, &byte_buffer_size); |
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grpc_slice slice = grpc_slice_from_copied_buffer( |
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reinterpret_cast<const char*>(byte_buffer), byte_buffer_size); |
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*bp = grpc_raw_byte_buffer_create(&slice, 1); |
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grpc_slice_unref(slice); |
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} |
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// Deserialize the passed char array into the passed type, returns the number
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// of bytes that have been consumed from the passed string.
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template <typename T> |
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uint32_t Deserialize(uint8_t* serialized_buffer, size_t length, T* fields) { |
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// prepare buffer if necessary
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if (!prepared_) { |
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prepare(); |
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} |
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last_deserialized_ = true; |
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// reset buffer transport
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buffer_->resetBuffer(serialized_buffer, length); |
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// read the protocol version if necessary
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if (serialize_version_) { |
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std::string name = ""; |
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TMessageType mt = static_cast<TMessageType>(0); |
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int32_t seq_id = 0; |
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protocol_->readMessageBegin(name, mt, seq_id); |
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} |
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// deserialize buffer into fields
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uint32_t len = fields->read(protocol_.get()); |
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// read the end of message
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if (serialize_version_) { |
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protocol_->readMessageEnd(); |
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} |
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return len; |
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} |
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// Deserialize the passed byte buffer to passed type, returns the number
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// of bytes consumed from byte buffer
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template <typename T> |
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uint32_t Deserialize(grpc_byte_buffer* buffer, T* msg) { |
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grpc_byte_buffer_reader reader; |
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grpc_byte_buffer_reader_init(&reader, buffer); |
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grpc_slice slice = grpc_byte_buffer_reader_readall(&reader); |
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uint32_t len = |
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Deserialize(GRPC_SLICE_START_PTR(slice), GRPC_SLICE_LENGTH(slice), msg); |
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grpc_slice_unref(slice); |
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grpc_byte_buffer_reader_destroy(&reader); |
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return len; |
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} |
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// set serialization version flag
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void SetSerializeVersion(bool value) { serialize_version_ = value; } |
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// Set the container size limit to deserialize
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// This function should be called after buffer_ is initialized
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void SetContainerSizeLimit(int32_t container_limit) { |
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if (!prepared_) { |
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prepare(); |
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} |
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protocol_->setContainerSizeLimit(container_limit); |
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} |
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// Set the string size limit to deserialize
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// This function should be called after buffer_ is initialized
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void SetStringSizeLimit(int32_t string_limit) { |
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if (!prepared_) { |
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prepare(); |
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} |
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protocol_->setStringSizeLimit(string_limit); |
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} |
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private: |
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bool prepared_; |
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bool last_deserialized_; |
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boost::shared_ptr<TMemoryBuffer> buffer_; |
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std::shared_ptr<Protocol> protocol_; |
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bool serialize_version_; |
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void prepare() { |
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buffer_ = boost::make_shared<TMemoryBuffer>(); |
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// create a protocol for the memory buffer transport
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protocol_ = std::make_shared<Protocol>(buffer_); |
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prepared_ = true; |
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} |
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}; // ThriftSerializer
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typedef ThriftSerializer<void, TBinaryProtocolT<TBufferBase, TNetworkBigEndian>> |
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ThriftSerializerBinary; |
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typedef ThriftSerializer<void, TCompactProtocolT<TBufferBase>> |
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ThriftSerializerCompact; |
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} // namespace util
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} // namespace thrift
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} // namespace apache
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#endif // GRPCXX_IMPL_CODEGEN_THRIFT_SERIALIZER_H
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@ -1,83 +0,0 @@ |
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/*
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* |
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* Copyright 2016, Google Inc. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following disclaimer |
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* in the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of Google Inc. nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#ifndef GRPCXX_IMPL_CODEGEN_THRIFT_UTILS_H |
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#define GRPCXX_IMPL_CODEGEN_THRIFT_UTILS_H |
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#include <grpc++/impl/codegen/config.h> |
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#include <grpc++/impl/codegen/core_codegen_interface.h> |
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#include <grpc++/impl/codegen/serialization_traits.h> |
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#include <grpc++/impl/codegen/status.h> |
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#include <grpc++/impl/codegen/status_code_enum.h> |
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#include <grpc++/impl/codegen/thrift_serializer.h> |
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#include <grpc/impl/codegen/byte_buffer_reader.h> |
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#include <grpc/impl/codegen/slice.h> |
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#include <cstdint> |
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#include <cstdlib> |
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namespace grpc { |
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using apache::thrift::util::ThriftSerializerCompact; |
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template <class T> |
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class SerializationTraits<T, typename std::enable_if<std::is_base_of< |
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apache::thrift::TBase, T>::value>::type> { |
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public: |
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static Status Serialize(const T& msg, grpc_byte_buffer** bp, |
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bool* own_buffer) { |
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*own_buffer = true; |
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ThriftSerializerCompact serializer; |
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serializer.Serialize(msg, bp); |
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return Status(StatusCode::OK, "ok"); |
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} |
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static Status Deserialize(grpc_byte_buffer* buffer, T* msg, |
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int max_receive_message_size) { |
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if (!buffer) { |
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return Status(StatusCode::INTERNAL, "No payload"); |
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} |
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ThriftSerializerCompact deserializer; |
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deserializer.Deserialize(buffer, msg); |
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grpc_byte_buffer_destroy(buffer); |
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return Status(StatusCode::OK, "ok"); |
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} |
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}; |
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} // namespace grpc
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#endif // GRPCXX_IMPL_CODEGEN_THRIFT_UTILS_H
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@ -1 +0,0 @@ |
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Subproject commit bcad91771b7f0bff28a1cac1981d7ef2b9bcef3c |
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