memory_allocator_impl.h

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// Copyright 2021 The 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 GRPC_EVENT_ENGINE_INTERNAL_MEMORY_ALLOCATOR_IMPL_H
#define GRPC_EVENT_ENGINE_INTERNAL_MEMORY_ALLOCATOR_IMPL_H
 
#include <algorithm>
#include <memory>
#include <type_traits>
#include <vector>
 
#include <grpc/event_engine/memory_request.h>
#include <grpc/slice.h>
#include <grpc/support/port_platform.h>
 
namespace grpc_event_engine {
namespace experimental {
 
namespace internal {
 
class MemoryAllocatorImpl
    : public std::enable_shared_from_this<MemoryAllocatorImpl> {
 public:
  MemoryAllocatorImpl() {}
  virtual ~MemoryAllocatorImpl() {}
 
  MemoryAllocatorImpl(const MemoryAllocatorImpl&) = delete;
  MemoryAllocatorImpl& operator=(const MemoryAllocatorImpl&) = delete;
 
  virtual size_t Reserve(MemoryRequest request) = 0;
 
  virtual grpc_slice MakeSlice(MemoryRequest request) = 0;
 
  virtual void Release(size_t n) = 0;
 
  virtual void Shutdown() = 0;
};
 
}  // namespace internal
 
}  // namespace experimental
}  // namespace grpc_event_engine
 
#endif  // GRPC_EVENT_ENGINE_INTERNAL_MEMORY_ALLOCATOR_IMPL_H