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lneto rework: Require explicit BackoffStrategy in all APIs (#116)

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* make backoff explicit API

* fix tests to use explicit backoff

* fix examples with explicit tcp
This commit is contained in:
Pat Whittingslow
2026-06-09 10:20:40 -03:00
committed by GitHub
parent 3b82cefec3
commit 6ba06acdcb
28 changed files with 324 additions and 84 deletions
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internal/backoff.go
-35
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@@ -1,35 +0,0 @@
package internal
import (
"time"
)
// BackoffConnRW implements exponential backoff suitable for TCP connection
// read/write polling. It starts at 1us and caps at 5ms, doubling on each consecutive backoff.
func BackoffConnRW(consecutiveBackoffs uint) {
const (
minWait = uint32(time.Microsecond)
maxWait = 5 * uint32(time.Millisecond)
maxShift = 22
_overflowCheck = minWait << maxShift
)
shifted := minWait << min(consecutiveBackoffs, maxShift)
wait := min(shifted, maxWait)
time.Sleep(time.Duration(wait))
}
// BackoffStackProto implements exponential backoff suitable for stack-level
// protocol processing polling. It starts at 1us and caps at 100ms, doubling on each consecutive backoff.
func BackoffStackProto(consecutiveBackoffs uint) {
const (
minWait = uint32(time.Microsecond)
maxWait = 100 * uint32(time.Millisecond)
// Statically calculated numbers below.
maxShift = 22
_overflowCheck = minWait << maxShift
)
shifted := minWait << min(consecutiveBackoffs, maxShift)
wait := min(shifted, maxWait)
time.Sleep(time.Duration(wait))
}