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package s3api
import (
"github.com/chrislusf/seaweedfs/weed/s3api/s3_constants"
stats_collect "github.com/chrislusf/seaweedfs/weed/stats"
"net/http"
"strconv"
"time"
)
type StatusRecorder struct {
http.ResponseWriter
Status int
}
func NewStatusResponseWriter(w http.ResponseWriter) *StatusRecorder {
return &StatusRecorder{w, http.StatusOK}
}
func (r *StatusRecorder) WriteHeader(status int) {
r.Status = status
r.ResponseWriter.WriteHeader(status)
}
func (r *StatusRecorder) Flush() {
r.ResponseWriter.(http.Flusher).Flush()
}
func track(f http.HandlerFunc, action string) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
bucket, _ := s3_constants.GetBucketAndObject(r)
w.Header().Set("Server", "SeaweedFS S3")
recorder := NewStatusResponseWriter(w)
start := time.Now()
f(recorder, r)
stats_collect.S3RequestHistogram.WithLabelValues(action, bucket).Observe(time.Since(start).Seconds())
stats_collect.S3RequestCounter.WithLabelValues(action, strconv.Itoa(recorder.Status), bucket).Inc()
}
}
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