"runtime/debug"
	"strings"
	"sync"
	"sync/atomic"
	"time"

	"github.com/gobwas/ws"
	"github.com/gobwas/ws/wsutil"
	"github.com/google/uuid"
	"github.com/minio/madmin-go/v3"
	xioutil "github.com/minio/minio/internal/ioutil"
	"github.com/minio/minio/internal/logger"
	"github.com/minio/minio/internal/pubsub"
	xnet "github.com/minio/pkg/v3/net"
	"github.com/puzpuzpuz/xsync/v3"
	"github.com/tinylib/msgp/msgp"

	"sync/atomic"
	"time"

	"github.com/minio/kms-go/kes"
	"github.com/minio/madmin-go/v3"
	"github.com/minio/minio/internal/bucket/lifecycle"
	"github.com/minio/minio/internal/cachevalue"
	xioutil "github.com/minio/minio/internal/ioutil"
	"github.com/minio/minio/internal/logger"
	"github.com/minio/minio/internal/mcontext"
	"github.com/minio/minio/internal/rest"
	"github.com/prometheus/client_golang/prometheus"

	setHeadGetRespHeaders(w, r.Form)

	var iw io.Writer = w

	statusCodeWritten := false
	httpWriter := xioutil.WriteOnClose(iw)
	if rs != nil || opts.PartNumber > 0 {
		statusCodeWritten = true
		w.WriteHeader(http.StatusPartialContent)
	}

	// Write object content to response body
	if _, err = xioutil.Copy(httpWriter, gr); err != nil {
		if !httpWriter.HasWritten() && !statusCodeWritten {

//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

// Package ioutil implements some I/O utility functions which are not covered
// by the standard library.
package ioutil

import (
	"context"
	"errors"
	"io"
	"os"
	"runtime/debug"
	"time"

	"github.com/dustin/go-humanize"
	"github.com/minio/minio/internal/bpool"

	osMetricFdatasync
	osMetricSync

	// .... add more

	osMetricLast
)

var globalOSMetrics osMetrics

func init() {
	// Inject metrics.
	ioutilx.OsOpenFile = OpenFile
	ioutilx.OpenFileDirectIO = OpenFileDirectIO
	ioutilx.OsOpen = Open
}

type osMetrics struct {
	// All fields must be accessed atomically and aligned.
	operations [osMetricLast]uint64
	latency    [osMetricLast]lockedLastMinuteLatency

			err:        ioutil.ErrOverread,
		},
		7: {
			desc:       "Correct sha256, nested, truncated, swapped",
			src:        mustReader(t, bytes.NewReader([]byte("abcd-more-stuff-to-be ignored")), 4, "", "", -1),
			size:       4,
			actualSize: -1,
			sha256hex:  "88d4266fd4e6338d13b845fcf289579d209c897823b9217da3e161936f031589",
			err:        ioutil.ErrOverread,
		},
		{

//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

// Package ioutil implements some I/O utility functions which are not covered
// by the standard library.
package ioutil

import (
	"errors"
	"io"
)

// ErrOverread is returned to the reader when the hard limit of HardLimitReader is exceeded.

pkg go/doc, func ToText //deprecated #51082
pkg io/ioutil, func NopCloser //deprecated #42026
pkg io/ioutil, func ReadAll //deprecated #42026
pkg io/ioutil, func ReadDir //deprecated #42026
pkg io/ioutil, func ReadFile //deprecated #42026
pkg io/ioutil, func TempDir //deprecated #42026
pkg io/ioutil, func TempFile //deprecated #42026
pkg io/ioutil, func WriteFile //deprecated #42026

package cmd

import (
	"bytes"
	"context"
	"errors"
	"hash"
	"io"
	"sync"

	xhttp "github.com/minio/minio/internal/http"
	"github.com/minio/minio/internal/ioutil"
	"github.com/minio/minio/internal/ringbuffer"
)

// Calculates bitrot in chunks and writes the hash into the stream.
type streamingBitrotWriter struct {
	iow          io.WriteCloser
	closeWithErr func(err error)

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package hash

import (
	"bytes"
	"errors"
	"hash"
	"io"

	"github.com/minio/minio/internal/ioutil"
)

// Checker allows to verify the checksum of a reader.
type Checker struct {
	c io.Closer
	r io.Reader
	h hash.Hash

	want []byte
}