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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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68 lines
2.4 KiB
68 lines
2.4 KiB
/* |
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* |
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* Copyright 2016 gRPC authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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* |
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*/ |
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#ifndef GRPCPP_RESOURCE_QUOTA_H |
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#define GRPCPP_RESOURCE_QUOTA_H |
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struct grpc_resource_quota; |
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#include <grpcpp/impl/codegen/config.h> |
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#include <grpcpp/impl/codegen/grpc_library.h> |
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namespace grpc { |
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/// ResourceQuota represents a bound on memory and thread usage by the gRPC |
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/// library. A ResourceQuota can be attached to a server (via \a ServerBuilder), |
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/// or a client channel (via \a ChannelArguments). |
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/// gRPC will attempt to keep memory and threads used by all attached entities |
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/// below the ResourceQuota bound. |
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class ResourceQuota final : private grpc::GrpcLibraryCodegen { |
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public: |
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/// \param name - a unique name for this ResourceQuota. |
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explicit ResourceQuota(const std::string& name); |
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ResourceQuota(); |
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~ResourceQuota() override; |
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/// Resize this \a ResourceQuota to a new size. If \a new_size is smaller |
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/// than the current size of the pool, memory usage will be monotonically |
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/// decreased until it falls under \a new_size. |
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/// No time bound is given for this to occur however. |
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ResourceQuota& Resize(size_t new_size); |
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/// Set the max number of threads that can be allocated from this |
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/// ResourceQuota object. |
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/// |
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/// If the new_max_threads value is smaller than the current value, no new |
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/// threads are allocated until the number of active threads fall below |
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/// new_max_threads. There is no time bound on when this may happen i.e none |
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/// of the current threads are forcefully destroyed and all threads run their |
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/// normal course. |
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ResourceQuota& SetMaxThreads(int new_max_threads); |
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grpc_resource_quota* c_resource_quota() const { return impl_; } |
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private: |
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ResourceQuota(const ResourceQuota& rhs); |
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ResourceQuota& operator=(const ResourceQuota& rhs); |
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grpc_resource_quota* const impl_; |
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}; |
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} // namespace grpc |
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#endif // GRPCPP_RESOURCE_QUOTA_H
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