"crypto/sha1"
	"encoding/base64"
	"encoding/hex"
	"encoding/xml"
	"fmt"
	"hash"
	"hash/crc32"
	"io"
	"net/http"
	"net/http/httptest"
	"net/url"
	"path"
	"runtime"
	"strconv"
	"strings"
	"sync"
	"testing"

	"github.com/dustin/go-humanize"
	"github.com/minio/minio/internal/auth"
	"github.com/minio/minio/internal/hash/sha256"
	xhttp "github.com/minio/minio/internal/http"

	if !etag.ContentMD5Requested(r.Header) && (crypto.S3KMS.IsRequested(r.Header) || crypto.SSEC.IsRequested(r.Header) || !globalServerCtxt.StrictS3Compat) {
		forceMD5 = mustGetUUIDBytes()
	}
	hashReader, err := hash.NewReaderWithOpts(ctx, reader, hash.Options{
		Size:       size,
		MD5Hex:     md5hex,
		SHA256Hex:  sha256hex,
		ActualSize: actualSize,
		DisableMD5: false,
		ForceMD5:   forceMD5,
	})
	if err != nil {

	}
}

func getMinIOCommitMD() MetricDescription {
	return MetricDescription{
		Namespace: minioMetricNamespace,
		Subsystem: softwareSubsystem,
		Name:      commitInfo,
		Help:      "Git commit hash for the MinIO release",
		Type:      gaugeMetric,
	}
}

func getS3TTFBDistributionMD() MetricDescription {
	return MetricDescription{
		Namespace: s3MetricNamespace,
		Subsystem: ttfbSubsystem,

	request, err = newTestSignedRequest(http.MethodPut, getPutObjectURL(s.endPoint, bucketName, objectName),
		int64(buffer1.Len()), buffer1, s.accessKey, s.secretKey, s.signer)
	c.Assert(err, nil)
	// set the Content-Md5 to be the hash to content.
	request.Header.Set("Content-Md5", etagBase64)
	response, err = s.client.Do(request)
	c.Assert(err, nil)
	// expecting a successful upload.
	c.Assert(response.StatusCode, http.StatusOK)

			}
		}
	}()

	var (
		hr    *hash.Reader
		pInfo minio.ObjectPart
	)

	var objectSize int64
	for _, partInfo := range objInfo.Parts {
		if crypto.SSEC.IsEncrypted(objInfo.UserDefined) {
			hr, err = hash.NewReader(ctx, io.LimitReader(r, partInfo.Size), partInfo.Size, "", "", partInfo.ActualSize)
		} else {