50 lines
1.9 KiB
C++
50 lines
1.9 KiB
C++
// Copyright 2021 The 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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#ifndef GRPC_EVENT_ENGINE_ENDPOINT_CONFIG_H
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#define GRPC_EVENT_ENGINE_ENDPOINT_CONFIG_H
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#include <grpc/support/port_platform.h>
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#include <string>
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#include "absl/strings/string_view.h"
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#include "absl/types/optional.h"
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namespace grpc_event_engine {
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namespace experimental {
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/// Collection of parameters used to configure client and server endpoints. The
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/// \a EndpointConfig maps string-valued keys to values of type int,
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/// string_view, or void pointer. Each EventEngine implementation should
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/// document its set of supported configuration options.
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class EndpointConfig {
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public:
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virtual ~EndpointConfig() = default;
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// If the key points to an integer config, an integer value gets returned.
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// Otherwise it returns an absl::nullopt_t
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virtual absl::optional<int> GetInt(absl::string_view key) const = 0;
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// If the key points to an string config, an string value gets returned.
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// Otherwise it returns an absl::nullopt_t
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virtual absl::optional<absl::string_view> GetString(
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absl::string_view key) const = 0;
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// If the key points to an void* config, a void* pointer value gets returned.
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// Otherwise it returns nullptr
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virtual void* GetVoidPointer(absl::string_view key) const = 0;
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};
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} // namespace experimental
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} // namespace grpc_event_engine
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#endif // GRPC_EVENT_ENGINE_ENDPOINT_CONFIG_H
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