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+// Copyright 2024 Huawei Cloud Computing Technology Co., Ltd.
+//
+// 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 INCLUDED_SRC_BUILDTOOL_COMMON_RETRY_CLI_HPP
+#define INCLUDED_SRC_BUILDTOOL_COMMON_RETRY_CLI_HPP
+
+#include <optional>
+
+#include "CLI/CLI.hpp"
+#include "gsl/gsl"
+
+/// \brief Arguments required for tuning the retry strategy.
+struct RetryArguments {
+ std::optional<unsigned int> max_attempts{};
+ std::optional<unsigned int> initial_backoff_seconds{};
+ std::optional<unsigned int> max_backoff_seconds{};
+};
+
+static inline void SetupRetryArguments(
+ gsl::not_null<CLI::App*> const& app,
+ gsl::not_null<RetryArguments*> const& args) {
+ app->add_option(
+ "--max-attempts",
+ args->max_attempts,
+ "Total number of attempts in case of a remote resource becomes "
+ "unavailable. Must be greater than 0. (Default: 1)");
+ app->add_option(
+ "--initial-backoff-seconds",
+ args->initial_backoff_seconds,
+ "Initial amount of time, in seconds, to wait before retrying a rpc "
+ "call. The waiting time is doubled at each attempt. Must be greater "
+ "than 0. (Default: 1)");
+ app->add_option("--max-backoff-seconds",
+ args->max_backoff_seconds,
+ "The backoff time cannot be bigger than this parameter. "
+ "Note that some jitter is still added to avoid to overload "
+ "the resources that survived the outage. (Default: 60)");
+}
+
+#endif