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handler.go
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/
handler.go
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package handler
import (
"net/http"
"time"
"github.com/urfave/cli/v2"
"github.com/go-enjin/be/pkg/feature"
"github.com/go-enjin/be/pkg/log"
beLogContext "github.com/go-enjin/be/types/logging/context"
"github.com/go-enjin/be/types/logging/response"
)
var (
_ Feature = (*CFeature)(nil)
_ MakeFeature = (*CFeature)(nil)
)
const Tag feature.Tag = "srv-logging-handler"
type Feature interface {
feature.Feature
feature.ServiceLogHandler
}
type MakeFeature interface {
Make() Feature
}
type CFeature struct {
feature.CFeature
}
func New() MakeFeature {
return NewTagged(Tag)
}
func NewTagged(tag feature.Tag) MakeFeature {
f := new(CFeature)
f.Init(f)
f.PackageTag = Tag
f.FeatureTag = tag
f.CFeature.Construct(f)
return f
}
func (f *CFeature) Init(this interface{}) {
f.CFeature.Init(this)
return
}
func (f *CFeature) Make() (feat Feature) {
return f
}
func (f *CFeature) Build(b feature.Buildable) (err error) {
if err = f.CFeature.Build(b); err != nil {
return
}
return
}
func (f *CFeature) Startup(ctx *cli.Context) (err error) {
if err = f.CFeature.Startup(ctx); err != nil {
return
}
return
}
func (f *CFeature) LogHandler(next http.Handler) (this http.Handler) {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
when := time.Now()
logger, writer := response.NewLogger(w)
next.ServeHTTP(writer, r)
duration := time.Now().Sub(when)
go func() {
// forked to not block request any further, not doing this actually adds to the duration despite the
// request being handled already by next.ServeHTTP
if ctx, err := beLogContext.New(r, logger.Size(), logger.Status(), when, duration); err != nil {
log.ErrorDF(1, "error making logger context: %v", err)
} else {
for _, rl := range feature.FilterTyped[feature.ServiceLogger](f.Enjin.Features().List()) {
if err = rl.RequestLogger(ctx); err != nil {
log.ErrorDF(1, "%v request logger error: %v", rl.Tag(), err)
}
}
}
}()
})
}