grpc/include/grpc++/impl/codegen/proto_utils.h

/*
 *
 * Copyright 2015-2016, 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:
 *
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 * 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.
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 * 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
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 */

#ifndef GRPCXX_IMPL_CODEGEN_PROTO_UTILS_H
#define GRPCXX_IMPL_CODEGEN_PROTO_UTILS_H

#include <type_traits>

#include <grpc++/impl/codegen/config_protobuf.h>
#include <grpc++/impl/codegen/core_codegen_interface.h>
#include <grpc++/impl/codegen/serialization_traits.h>
#include <grpc++/impl/codegen/status.h>
#include <grpc/impl/codegen/byte_buffer.h>
#include <grpc/impl/codegen/log.h>

namespace grpc {

extern CoreCodegenInterface* g_core_codegen_interface;

template <class T>
class SerializationTraits<T, typename std::enable_if<std::is_base_of<
                                 grpc::protobuf::Message, T>::value>::type> {
 public:
  static Status Serialize(const grpc::protobuf::Message& msg,
                          grpc_byte_buffer** buffer, bool* own_buffer) {
    *own_buffer = true;
    return g_core_codegen_interface->SerializeProto(msg, buffer);
  }
  static Status Deserialize(grpc_byte_buffer* buffer,
                            grpc::protobuf::Message* msg,
                            int max_message_size) {
    return g_core_codegen_interface->DeserializeProto(buffer, msg,
                                                      max_message_size);
  }
};

}  // namespace grpc

#endif  // GRPCXX_IMPL_CODEGEN_PROTO_UTILS_H