CmvrControlStation/include/grpc/event_engine/endpoint_config.h

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// Copyright 2021 The 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 GRPC_EVENT_ENGINE_ENDPOINT_CONFIG_H
#define GRPC_EVENT_ENGINE_ENDPOINT_CONFIG_H
#include <grpc/support/port_platform.h>
#include <string>
#include "absl/strings/string_view.h"
#include "absl/types/variant.h"
namespace grpc_event_engine {
namespace experimental {
/// Collection of parameters used to configure client and server endpoints. The
/// \a EndpointConfig maps string-valued keys to values of type int,
/// string_view, or void pointer. Each EventEngine implementation should
/// document its set of supported configuration options.
class EndpointConfig {
public:
virtual ~EndpointConfig() = default;
using Setting = absl::variant<absl::monostate, int, absl::string_view, void*>;
/// Returns the Setting for a specified key, or \a absl::monostate if there is
/// no such entry. Caller does not take ownership of the resulting value.
virtual Setting Get(absl::string_view key) const = 0;
};
} // namespace experimental
} // namespace grpc_event_engine
#endif // GRPC_EVENT_ENGINE_ENDPOINT_CONFIG_H