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Contents
// Copyright 2022 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_SRC_CORE_LIB_CONFIG_LOAD_CONFIG_H
#define GRPC_SRC_CORE_LIB_CONFIG_LOAD_CONFIG_H
#include <grpc/support/port_platform.h>
#include <stdint.h>
#include <string>
#include <vector>
#include "absl/flags/flag.h"
#include "absl/strings/string_view.h"
#include "absl/types/optional.h"
namespace grpc_core {
std::string LoadConfigFromEnv(absl::string_view environment_variable,
const char* default_value);
int32_t LoadConfigFromEnv(absl::string_view environment_variable,
int32_t default_value);
bool LoadConfigFromEnv(absl::string_view environment_variable,
bool default_value);
template <typename T, typename D>
T LoadConfig(const absl::Flag<absl::optional<T>>& flag,
absl::string_view environment_variable,
const absl::optional<T>& override, D default_value) {
if (override.has_value()) return *override;
auto from_flag = absl::GetFlag(flag);
if (from_flag.has_value()) return std::move(*from_flag);
return LoadConfigFromEnv(environment_variable, default_value);
}
std::string LoadConfig(const absl::Flag<std::vector<std::string>>& flag,
absl::string_view environment_variable,
const absl::optional<std::string>& override,
const char* default_value);
} // namespace grpc_core
#endif // GRPC_SRC_CORE_LIB_CONFIG_LOAD_CONFIG_H
Version data entries
22 entries across 22 versions & 1 rubygems