NewPanicHandler returns a recovery.RecoveryHandlerFunc closure function to handle panic in GRPC server's handlers.

PanicHandlerMiddlewareOpts returns the []recovery.Option containing recovery handler function.

ServerRateLimiterMiddleware implements a ServerInHandle function to perform RPC rate limiting at the cheapest possible point (before the full request has been decoded).

AuthInterceptor provides gRPC interceptors for restricting endpoint access based on SNI.

LabelledConn wraps a connection and provides extra metadata fields.

LabelledListener wraps a listener and attaches pre-specified fields to each spawned connection.