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retrymanager_default.go
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/
retrymanager_default.go
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package gocbcorex
import (
"context"
"errors"
"time"
"github.com/couchbase/gocbcorex/cbhttpx"
"github.com/couchbase/gocbcorex/memdx"
)
type RetryManagerDefault struct {
calc BackoffCalculator
}
func NewRetryManagerDefault() *RetryManagerDefault {
return &RetryManagerDefault{
calc: ExponentialBackoff(10*time.Millisecond, 500*time.Millisecond, 2),
}
}
func (m *RetryManagerDefault) NewRetryController() RetryController {
return &retryControllerDefault{
parent: m,
}
}
type retryControllerDefault struct {
parent *RetryManagerDefault
retryCount uint32
}
func (rc *retryControllerDefault) isRetriableError(err error) bool {
// Implement the default classification of retriable errors...
return errors.Is(err, memdx.ErrTmpFail) ||
errors.Is(err, memdx.ErrConfigNotSet) ||
errors.Is(err, memdx.ErrSyncWriteInProgress) ||
errors.Is(err, memdx.ErrSyncWriteReCommitInProgress) ||
errors.Is(err, cbhttpx.ErrConnectError) ||
errors.Is(err, ErrVbucketMapOutdated) ||
errors.Is(err, ErrCollectionManifestOutdated)
}
func (rc *retryControllerDefault) ShouldRetry(ctx context.Context, err error) (time.Duration, bool, error) {
if !rc.isRetriableError(err) {
return 0, false, nil
}
calc := rc.parent.calc
// calculate the retry time for this attempt
retryTime := calc(rc.retryCount)
// increment the retry count
rc.retryCount++
return retryTime, true, nil
}