retry

Documentation

Overview

Package retry provides retry methods.

Index

• func LimitCount(ctx context.Context, count int, interval time.Duration, f func() error, ...) (err error)
• func LoopBreakTag() errors.BoolTag
• func WithTimeout(ctx context.Context, interval, duration time.Duration, f func() error, ...) (err error)

Functions

func LimitCount

func LimitCount(ctx context.Context, count int, interval time.Duration, f func() error, opName string) (err error)

LimitCount retries execute function with limit by numbers attempts.

Example: Check if device is reachable, only try 5 times with interval 2 seconds.

return retry.LimitCount(ctx, 5, 2*time.Second, func() error {
	return  <-- return err if device is not reachable.
}, "check if a device is reachable")

func LoopBreakTag

func LoopBreakTag() errors.BoolTag

LoopBreakTag returns tags to break to retry loop per request.

func WithTimeout

func WithTimeout(ctx context.Context, interval, duration time.Duration, f func() error, opName string) (err error)

WithTimeout retries execute function in giving time duration.

Example: Check if device is reachable, try during 1 hour with intervals 2 seconds.

return retry.WithTimeout(ctx, time.Hour,  2*time.Second, func() error {
	return  <-- return err if device is not reachable.
}, "check if a device is reachable")