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54 lines
1.8 KiB
54 lines
1.8 KiB
6 years ago
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/*
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*
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* Copyright 2018 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_EXT_SERVER_LOAD_REPORTING_H
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#define GRPCPP_EXT_SERVER_LOAD_REPORTING_H
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#include <grpc/support/port_platform.h>
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#include <grpc/load_reporting.h>
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#include <grpcpp/impl/codegen/config.h>
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#include <grpcpp/impl/codegen/server_context.h>
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#include <grpcpp/impl/server_builder_option.h>
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namespace grpc {
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namespace load_reporter {
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namespace experimental {
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// The ServerBuilderOption to enable server-side load reporting feature. To
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// enable the feature, please make sure the binary builds with the
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// grpcpp_server_load_reporting library and set this option in the
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// ServerBuilder.
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class LoadReportingServiceServerBuilderOption : public ServerBuilderOption {
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public:
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void UpdateArguments(::grpc::ChannelArguments* args) override;
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void UpdatePlugins(std::vector<std::unique_ptr<::grpc::ServerBuilderPlugin>>*
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plugins) override;
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};
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// Adds the load reporting cost with \a cost_name and \a cost_value in the
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// trailing metadata of the server context.
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void AddLoadReportingCost(grpc::ServerContext* ctx,
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const grpc::string& cost_name, double cost_value);
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} // namespace experimental
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} // namespace load_reporter
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} // namespace grpc
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#endif // GRPCPP_EXT_SERVER_LOAD_REPORTING_H
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