GetClaim attempts to extract the monitoring value from the given context.

IsMonitoring reports whether (possibly nil) claim is from a monitoring issuer.

NewTokenController creates a new token controller that requires tokens (or not) and the default expected claims.

NewTxController creates a new instance and runs TxController.Watch in a goroutine to observe the current rate every 100 msec.

SetClaim returns a derived context with the given value.

Setup creates a sequence of access control http.Handlers.

ErrInvalidVerifier may be returned when creating a new TokenController.

ErrNilPaths is returned when a nil Paths value is given.

ErrNoDevice is returned when device is empty or not found in procfs.

TokenController manages access control for clients providing access_token parameters in HTTP requests.

TxController calculates the bytes transmitted every period from the named device.

Controller is the interface that all access control types should implement.

Verifier is used by the TokenController to verify JWT claims in access tokens.

Paths is used to specify resource names (paths) operated on by access controllers.