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/*
*
* Copyright 2016, 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 GRPCXX_RESOURCE_QUOTA_H
#define GRPCXX_RESOURCE_QUOTA_H
struct grpc_resource_quota;
#include <grpc++/impl/codegen/config.h>
namespace grpc {
/// ResourceQuota represents a bound on memory usage by the gRPC library.
/// A ResourceQuota can be attached to a server (via ServerBuilder), or a client
/// channel (via ChannelArguments). gRPC will attempt to keep memory used by
/// all attached entities below the ResourceQuota bound.
class ResourceQuota final {
public:
explicit ResourceQuota(const grpc::string& name);
ResourceQuota();
~ResourceQuota();
/// Resize this ResourceQuota to a new size. If new_size is smaller than the
/// current size of the pool, memory usage will be monotonically decreased
/// until it falls under new_size. No time bound is given for this to occur
/// however.
ResourceQuota& Resize(size_t new_size);
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
#endif // GRPCXX_RESOURCE_QUOTA_H
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