1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
// 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
|
