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.
69 lines
2.4 KiB
69 lines
2.4 KiB
6 years ago
|
/*
|
||
|
|
*
|
||
|
|
* Copyright 2016 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_RESOURCE_QUOTA_IMPL_H
|
||
|
|
#define GRPCPP_RESOURCE_QUOTA_IMPL_H
|
||
|
|
|
||
|
|
struct grpc_resource_quota;
|
||
|
|
|
||
|
|
#include <grpcpp/impl/codegen/config.h>
|
||
|
|
#include <grpcpp/impl/codegen/grpc_library.h>
|
||
|
|
|
||
|
|
namespace grpc_impl {
|
||
|
|
|
||
|
|
/// ResourceQuota represents a bound on memory and thread usage by the gRPC
|
||
|
|
/// library. A ResourceQuota can be attached to a server (via \a ServerBuilder),
|
||
|
|
/// or a client channel (via \a ChannelArguments).
|
||
|
|
/// gRPC will attempt to keep memory and threads used by all attached entities
|
||
|
|
/// below the ResourceQuota bound.
|
||
|
|
class ResourceQuota final : private ::grpc::GrpcLibraryCodegen {
|
||
|
|
public:
|
||
|
|
/// \param name - a unique name for this ResourceQuota.
|
||
|
|
explicit ResourceQuota(const grpc::string& name);
|
||
|
|
ResourceQuota();
|
||
|
|
~ResourceQuota();
|
||
|
|
|
||
|
|
/// Resize this \a ResourceQuota to a new size. If \a new_size is smaller
|
||
|
|
/// than the current size of the pool, memory usage will be monotonically
|
||
|
|
/// decreased until it falls under \a new_size.
|
||
|
|
/// No time bound is given for this to occur however.
|
||
|
|
ResourceQuota& Resize(size_t new_size);
|
||
|
|
|
||
|
|
/// Set the max number of threads that can be allocated from this
|
||
|
|
/// ResourceQuota object.
|
||
|
|
///
|
||
|
|
/// If the new_max_threads value is smaller than the current value, no new
|
||
|
|
/// threads are allocated until the number of active threads fall below
|
||
|
|
/// new_max_threads. There is no time bound on when this may happen i.e none
|
||
|
|
/// of the current threads are forcefully destroyed and all threads run their
|
||
|
|
/// normal course.
|
||
|
|
ResourceQuota& SetMaxThreads(int new_max_threads);
|
||
|
|
|
||
|
|
grpc_resource_quota* c_resource_quota() const { return impl_; }
|
||
|
|
|
||
|
|
private:
|
||
|
|
ResourceQuota(const ResourceQuota& rhs);
|
||
|
|
ResourceQuota& operator=(const ResourceQuota& rhs);
|
||
|
|
|
||
|
|
grpc_resource_quota* const impl_;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace grpc_impl
|
||
|
|
|
||
|
|
#endif // GRPCPP_RESOURCE_QUOTA_IMPL_H
|