add metrics options

pull/712/head
chenzhihui 4 years ago
parent 6907a9ee61
commit 1de3a6607f
  1. 14
      middleware/metrics/metrics.go

@ -16,6 +16,20 @@ import (
// Option is metrics option.
type Option func(*options)
// WithRequests with requests counter.
func WithRequests(c metrics.Counter) Option {
return func(o *options) {
o.requests = c
}
}
// WithSeconds with seconds histogram.
func WithSeconds(c metrics.Observer) Option {
return func(o *options) {
o.seconds = c
}
}
type options struct {
// counter: <kind>_<client/server>_requests_code_total{method, path, code}
requests metrics.Counter

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