mirror of https://github.com/grpc/grpc.git
The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
55 lines
1.8 KiB
55 lines
1.8 KiB
/* |
|
* |
|
* Copyright 2019 gRPC authors. |
|
* |
|
* Licensed under the Apache License, Version 2.0 (the "License"); |
|
* you may not use this file except in compliance with the License. |
|
* You may obtain a copy of the License at |
|
* |
|
* http://www.apache.org/licenses/LICENSE-2.0 |
|
* |
|
* Unless required by applicable law or agreed to in writing, software |
|
* distributed under the License is distributed on an "AS IS" BASIS, |
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|
* See the License for the specific language governing permissions and |
|
* limitations under the License. |
|
* |
|
*/ |
|
|
|
#ifndef GRPCPP_IMPL_CODEGEN_MESSAGE_ALLOCATOR_H |
|
#define GRPCPP_IMPL_CODEGEN_MESSAGE_ALLOCATOR_H |
|
|
|
namespace grpc { |
|
namespace experimental { |
|
|
|
// This is per rpc struct for the allocator. We can potentially put the grpc |
|
// call arena in here in the future. |
|
template <typename RequestT, typename ResponseT> |
|
struct RpcAllocatorInfo { |
|
RequestT* request = nullptr; |
|
ResponseT* response = nullptr; |
|
// per rpc allocator internal state. MessageAllocator can set it when |
|
// AllocateMessages is called and use it later. |
|
void* allocator_state = nullptr; |
|
}; |
|
|
|
// Implementations need to be thread-safe |
|
template <typename RequestT, typename ResponseT> |
|
class MessageAllocator { |
|
public: |
|
virtual ~MessageAllocator() = default; |
|
// Allocate both request and response |
|
virtual void AllocateMessages( |
|
RpcAllocatorInfo<RequestT, ResponseT>* info) = 0; |
|
// Optional: deallocate request early, called by |
|
// ServerCallbackRpcController::ReleaseRequest |
|
virtual void DeallocateRequest(RpcAllocatorInfo<RequestT, ResponseT>* info) {} |
|
// Deallocate response and request (if applicable) |
|
virtual void DeallocateMessages( |
|
RpcAllocatorInfo<RequestT, ResponseT>* info) = 0; |
|
}; |
|
|
|
} // namespace experimental |
|
} // namespace grpc |
|
|
|
#endif // GRPCPP_IMPL_CODEGEN_MESSAGE_ALLOCATOR_H
|
|
|