milvus/internal/util/retry/options.go
godchen b3f965c7d4
Add unrecoverable error for retry. (#7828)
Signed-off-by: godchen <qingxiang.chen@zilliz.com>
2021-09-18 10:49:51 +08:00

58 lines
1.5 KiB
Go

// Copyright (C) 2019-2020 Zilliz. All rights reserved.
//
// 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.
package retry
import "time"
type Config struct {
attempts uint
sleep time.Duration
maxSleepTime time.Duration
}
func newDefaultConfig() *Config {
return &Config{
attempts: uint(10),
sleep: 200 * time.Millisecond,
maxSleepTime: 3 * time.Second,
}
}
type Option func(*Config)
func Attempts(attempts uint) Option {
return func(c *Config) {
c.attempts = attempts
}
}
func Sleep(sleep time.Duration) Option {
return func(c *Config) {
c.sleep = sleep
// ensure max retry interval is always larger than retry interval
if c.sleep*2 > c.maxSleepTime {
c.maxSleepTime = 2 * c.sleep
}
}
}
func MaxSleepTime(maxSleepTime time.Duration) Option {
return func(c *Config) {
// ensure max retry interval is always larger than retry interval
if c.sleep*2 > maxSleepTime {
c.maxSleepTime = 2 * c.sleep
} else {
c.maxSleepTime = maxSleepTime
}
}
}