middleware

May 12, 2026

Changes in this version

+ func RequestLogger(logger *slog.Logger, prefix string) func(http.RoundTripper) http.RoundTripper

+ func RetryAndObserve(tries uint, delayBase time.Duration, delayMax time.Duration, ...) func(http.RoundTripper) http.RoundTripper

+ type BreakerState int

+ const BreakerStateClosed

+ const BreakerStateOpen

+ type CircuitBreaker struct

+ func NewCircuitBreaker(threshold uint, cooldown time.Duration) *CircuitBreaker

+ func (breaker *CircuitBreaker) OK() bool

+ func (breaker *CircuitBreaker) OnFailure()

+ func (breaker *CircuitBreaker) OnSuccess()

+ func (breaker *CircuitBreaker) State() BreakerState

+ type NopRetryObserver struct

+ func (o *NopRetryObserver) OnFailure(*http.Request, uint, error)

+ func (o *NopRetryObserver) OnSuccess(*http.Request, uint)

+ func (o *NopRetryObserver) OnTry(*http.Request, uint)

+ type RetryObserver interface

+ OnFailure func(*http.Request, uint, error)

+ OnSuccess func(*http.Request, uint)

+ OnTry func(*http.Request, uint)

+ type RoundTripperFunc func(*http.Request) (*http.Response, error)

+ func (fn RoundTripperFunc) RoundTrip(r *http.Request) (*http.Response, error)

Jul 24, 2025

Changes in this version

+ func AccessLogger(logger *slog.Logger, prefix string) func(h http.Handler) http.Handler

+ func Queue(ms ...func(http.Handler) http.Handler) func(http.Handler) http.Handler

+ func RecoverAndHandle(fallback http.Handler, logger *slog.Logger) func(h http.Handler) http.Handler

+ func Stack(ms ...func(http.Handler) http.Handler) func(http.Handler) http.Handler