object Metrics
Server middleware to record metrics for the http4s server.
This middleware will record: - Number of active requests - Time duration to send the response headers - Time duration to send the whole response body - Time duration of errors and other abnormal terminations
This middleware can be extended to support any metrics ecosystem by implementing the MetricsOps type
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- Metrics.scala
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def
apply[F[_]](ops: MetricsOps[F], emptyResponseHandler: Option[Status] = Status.NotFound.some, errorResponseHandler: (Throwable) ⇒ Option[Status] = ..., classifierF: (Request[F]) ⇒ Option[String] = _: Request[F] =>
None)(routes: HttpRoutes[F])(implicit F: Effect[F], clock: Clock[F]): HttpRoutes[F]A server middleware capable of recording metrics
A server middleware capable of recording metrics
- ops
a algebra describing the metrics operations
- emptyResponseHandler
an optional http status to be registered for requests that do not match
- errorResponseHandler
a function that maps a Throwable to an optional http status code to register
- classifierF
a function that allows to add a classifier that can be customized per request
- returns
the metrics middleware
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