+++ /dev/null
-package booking
-
-import (
- "time"
-
- "github.com/go-kit/kit/metrics"
-
- "github.com/go-kit/kit/examples/shipping/cargo"
- "github.com/go-kit/kit/examples/shipping/location"
-)
-
-type instrumentingService struct {
- requestCount metrics.Counter
- requestLatency metrics.Histogram
- Service
-}
-
-// NewInstrumentingService returns an instance of an instrumenting Service.
-func NewInstrumentingService(counter metrics.Counter, latency metrics.Histogram, s Service) Service {
- return &instrumentingService{
- requestCount: counter,
- requestLatency: latency,
- Service: s,
- }
-}
-
-func (s *instrumentingService) BookNewCargo(origin, destination location.UNLocode, deadline time.Time) (cargo.TrackingID, error) {
- defer func(begin time.Time) {
- s.requestCount.With("method", "book").Add(1)
- s.requestLatency.With("method", "book").Observe(time.Since(begin).Seconds())
- }(time.Now())
-
- return s.Service.BookNewCargo(origin, destination, deadline)
-}
-
-func (s *instrumentingService) LoadCargo(id cargo.TrackingID) (c Cargo, err error) {
- defer func(begin time.Time) {
- s.requestCount.With("method", "load").Add(1)
- s.requestLatency.With("method", "load").Observe(time.Since(begin).Seconds())
- }(time.Now())
-
- return s.Service.LoadCargo(id)
-}
-
-func (s *instrumentingService) RequestPossibleRoutesForCargo(id cargo.TrackingID) []cargo.Itinerary {
- defer func(begin time.Time) {
- s.requestCount.With("method", "request_routes").Add(1)
- s.requestLatency.With("method", "request_routes").Observe(time.Since(begin).Seconds())
- }(time.Now())
-
- return s.Service.RequestPossibleRoutesForCargo(id)
-}
-
-func (s *instrumentingService) AssignCargoToRoute(id cargo.TrackingID, itinerary cargo.Itinerary) (err error) {
- defer func(begin time.Time) {
- s.requestCount.With("method", "assign_to_route").Add(1)
- s.requestLatency.With("method", "assign_to_route").Observe(time.Since(begin).Seconds())
- }(time.Now())
-
- return s.Service.AssignCargoToRoute(id, itinerary)
-}
-
-func (s *instrumentingService) ChangeDestination(id cargo.TrackingID, l location.UNLocode) (err error) {
- defer func(begin time.Time) {
- s.requestCount.With("method", "change_destination").Add(1)
- s.requestLatency.With("method", "change_destination").Observe(time.Since(begin).Seconds())
- }(time.Now())
-
- return s.Service.ChangeDestination(id, l)
-}
-
-func (s *instrumentingService) Cargos() []Cargo {
- defer func(begin time.Time) {
- s.requestCount.With("method", "list_cargos").Add(1)
- s.requestLatency.With("method", "list_cargos").Observe(time.Since(begin).Seconds())
- }(time.Now())
-
- return s.Service.Cargos()
-}
-
-func (s *instrumentingService) Locations() []Location {
- defer func(begin time.Time) {
- s.requestCount.With("method", "list_locations").Add(1)
- s.requestLatency.With("method", "list_locations").Observe(time.Since(begin).Seconds())
- }(time.Now())
-
- return s.Service.Locations()
-}