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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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76 lines
3.0 KiB
76 lines
3.0 KiB
/* |
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* |
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* Copyright 2015, 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 GRPC_INTERNAL_CPP_PROTO_PROTO_UTILS_H |
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#define GRPC_INTERNAL_CPP_PROTO_PROTO_UTILS_H |
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#include <type_traits> |
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#include <grpc/grpc.h> |
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#include <grpc++/impl/serialization_traits.h> |
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#include <grpc++/support/config_protobuf.h> |
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#include <grpc++/support/status.h> |
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namespace grpc { |
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// Serialize the msg into a buffer created inside the function. The caller |
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// should destroy the returned buffer when done with it. If serialization fails, |
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// false is returned and buffer is left unchanged. |
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Status SerializeProto(const grpc::protobuf::Message& msg, |
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grpc_byte_buffer** buffer); |
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// The caller keeps ownership of buffer and msg. |
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Status DeserializeProto(grpc_byte_buffer* buffer, grpc::protobuf::Message* msg, |
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int max_message_size); |
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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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grpc::protobuf::Message, T>::value>::type> { |
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public: |
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static Status Serialize(const grpc::protobuf::Message& msg, |
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grpc_byte_buffer** buffer, bool* own_buffer) { |
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*own_buffer = true; |
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return SerializeProto(msg, buffer); |
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} |
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static Status Deserialize(grpc_byte_buffer* buffer, |
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grpc::protobuf::Message* msg, |
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int max_message_size) { |
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auto status = DeserializeProto(buffer, msg, max_message_size); |
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grpc_byte_buffer_destroy(buffer); |
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return status; |
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} |
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}; |
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} // namespace grpc |
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#endif // GRPC_INTERNAL_CPP_PROTO_PROTO_UTILS_H
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