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/*
*
* Copyright 2015, 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 GRPC_INTERNAL_CPP_PROTO_PROTO_UTILS_H
#define GRPC_INTERNAL_CPP_PROTO_PROTO_UTILS_H
#include <type_traits>
#include <grpc/grpc.h>
#include <grpc++/impl/serialization_traits.h>
#include <grpc++/support/config_protobuf.h>
#include <grpc++/support/status.h>
namespace grpc {
// Serialize the msg into a buffer created inside the function. The caller
// should destroy the returned buffer when done with it. If serialization fails,
// false is returned and buffer is left unchanged.
Status SerializeProto(const grpc::protobuf::Message& msg,
grpc_byte_buffer** buffer);
// The caller keeps ownership of buffer and msg.
Status DeserializeProto(grpc_byte_buffer* buffer, grpc::protobuf::Message* msg,
int max_message_size);
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 SerializeProto(msg, buffer);
}
static Status Deserialize(grpc_byte_buffer* buffer,
grpc::protobuf::Message* msg,
int max_message_size) {
auto status = DeserializeProto(buffer, msg, max_message_size);
grpc_byte_buffer_destroy(buffer);
return status;
}
};
} // namespace grpc
#endif // GRPC_INTERNAL_CPP_PROTO_PROTO_UTILS_H
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