mirror of
https://github.com/rocky-linux/peridot.git
synced 2024-12-30 05:50:56 +00:00
65 lines
2.5 KiB
Go
65 lines
2.5 KiB
Go
// The MIT License
|
|
//
|
|
// Copyright (c) 2020 Temporal Technologies Inc. All rights reserved.
|
|
//
|
|
// Copyright (c) 2020 Uber Technologies, Inc.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
// THE SOFTWARE.
|
|
|
|
package internal
|
|
|
|
// All code in this file is private to the package.
|
|
|
|
import (
|
|
"context"
|
|
"time"
|
|
|
|
"go.temporal.io/sdk/internal/common/backoff"
|
|
)
|
|
|
|
const (
|
|
retryServiceOperationInitialInterval = 200 * time.Millisecond
|
|
retryServiceOperationExpirationInterval = 60 * time.Second
|
|
retryServiceOperationBackoff = 2
|
|
)
|
|
|
|
// Creates a retry policy which allows appropriate retries for the deadline passed in as context.
|
|
// It uses the context deadline to set MaxInterval as 1/10th of context timeout
|
|
// MaxInterval = Max(context_timeout/10, 20ms)
|
|
// defaults to ExpirationInterval of 60 seconds, or uses context deadline as expiration interval
|
|
func createDynamicServiceRetryPolicy(ctx context.Context) backoff.RetryPolicy {
|
|
timeout := retryServiceOperationExpirationInterval
|
|
if ctx != nil {
|
|
now := time.Now()
|
|
if expiration, ok := ctx.Deadline(); ok && expiration.After(now) {
|
|
timeout = expiration.Sub(now)
|
|
}
|
|
}
|
|
initialInterval := retryServiceOperationInitialInterval
|
|
maximumInterval := timeout / 10
|
|
if maximumInterval < retryServiceOperationInitialInterval {
|
|
maximumInterval = retryServiceOperationInitialInterval
|
|
}
|
|
|
|
policy := backoff.NewExponentialRetryPolicy(initialInterval)
|
|
policy.SetBackoffCoefficient(retryServiceOperationBackoff)
|
|
policy.SetMaximumInterval(maximumInterval)
|
|
policy.SetExpirationInterval(timeout)
|
|
return policy
|
|
}
|