third_party.grpc/include/grpcpp/client_context.h

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2018-01-26 23:39:32 +00:00
/*
*
* Copyright 2015 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.
*
*/
/// A ClientContext allows the person implementing a service client to:
///
/// - Add custom metadata key-value pairs that will propagated to the server
/// side.
/// - Control call settings such as compression and authentication.
/// - Initial and trailing metadata coming from the server.
/// - Get performance metrics (ie, census).
///
/// Context settings are only relevant to the call they are invoked with, that
/// is to say, they aren't sticky. Some of these settings, such as the
/// compression options, can be made persistant at channel construction time
/// (see \a grpc::CreateCustomChannel).
///
/// \warning ClientContext instances should \em not be reused across rpcs.
#ifndef GRPCPP_CLIENT_CONTEXT_H
#define GRPCPP_CLIENT_CONTEXT_H
#include <grpcpp/impl/codegen/client_context.h>
#endif // GRPCPP_CLIENT_CONTEXT_H