Support HTTP/2.0 (#7204)

Fixes #6704

cmd/http-stats.go

@@ -19,58 +19,28 @@ package cmd
 import (
 	"fmt"
 	"net/http"
-	"strings"
 	"time"
 
 	"github.com/prometheus/client_golang/prometheus"
-
 	"go.uber.org/atomic"
 )
 
-func getRequestResource(r *http.Request) string {
-	if r == nil {
-		// http.Request is nil when non-HTTP data (like TLS record) is read/written.
-		return ""
-	}
-
-	if globalDomainName != "" {
-		host := r.Header.Get("Host")
-		if strings.HasSuffix(host, "."+globalDomainName) {
-			return "/" + strings.TrimSuffix(host, "."+globalDomainName) + r.URL.Path
-		}
-	}
-
-	return r.URL.Path
-}
-
 // ConnStats - Network statistics
 // Count total input/output transferred bytes during
 // the server's life.
 type ConnStats struct {
-	totalInputBytes     atomic.Uint64
-	totalOutputBytes    atomic.Uint64
-	totalRPCInputBytes  atomic.Uint64
-	totalRPCOutputBytes atomic.Uint64
+	totalInputBytes  atomic.Uint64
+	totalOutputBytes atomic.Uint64
 }
 
 // Increase total input bytes
-func (s *ConnStats) incInputBytes(r *http.Request, n int) {
-	resource := getRequestResource(r)
-	if resource == minioReservedBucketPath || strings.HasPrefix(resource, minioReservedBucketPath+"/") {
-		s.totalRPCInputBytes.Add(uint64(n))
-	} else {
-		s.totalInputBytes.Add(uint64(n))
-	}
+func (s *ConnStats) incInputBytes(n int) {
+	s.totalInputBytes.Add(uint64(n))
 }
 
 // Increase total output bytes
-func (s *ConnStats) incOutputBytes(r *http.Request, n int) {
-	resource := getRequestResource(r)
-	if resource == minioReservedBucketPath || strings.HasPrefix(resource, minioReservedBucketPath+"/") {
-		s.totalRPCOutputBytes.Add(uint64(n))
-	} else {
-		s.totalOutputBytes.Add(uint64(n))
-	}
+func (s *ConnStats) incOutputBytes(n int) {
+	s.totalOutputBytes.Add(uint64(n))
 }
 
 // Return total input bytes