// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package types

const BADWIDTH = -1000000000

type bitset8 uint8

func (f *bitset8) set(mask uint8, b bool) {
	if b {
		*(*uint8)(f) |= mask
	} else {
		*(*uint8)(f) &^= mask
	}

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Issue 4359: wrong handling of broken struct fields
// causes "internal compiler error: lookdot badwidth".

package main

type T struct {
	x T1 // ERROR "undefined"
}

func f() {
	var t *T
	_ = t.x

See the License for the specific language governing permissions and
limitations under the License.
*/

// Package bandwidth provides utilities for bandwidth shaping

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

package bandwidth

import (
	"sync"
	"sync/atomic"
	"time"
)

const (
	// betaBucket is the weight used to calculate exponential moving average
	betaBucket = 0.1 // Number of averages considered = 1/(1-betaObject)
)

// bucketMeasurement captures the bandwidth details for one bucket
type bucketMeasurement struct {
	lock                 sync.Mutex

	b := printer.Config{0, 8}
	c := &printer.Config{0}
	d := &printer.Config{Tabwidth: 8, Mode: 0}
	return printer.Config{0, 8}
}
`,
		Out: `package main

import "go/printer"

func f() printer.Config {
	b := printer.Config{Mode: 0, Tabwidth: 8}
	c := &printer.Config{Mode: 0}
	d := &printer.Config{Tabwidth: 8, Mode: 0}
	return printer.Config{Mode: 0, Tabwidth: 8}
}
`,
	},

//
// 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 bandwidth

import (
	"context"
	"io"
	"math"
)

// MonitoredReader represents a throttled reader subject to bandwidth monitoring
type MonitoredReader struct {
	r        io.Reader
	throttle *bucketThrottle
	ctx      context.Context // request context

// GNU Affero General Public License for more details.
//
// 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 bandwidth

//go:generate msgp -file=$GOFILE -unexported

import (
	"context"
	"sync"
	"time"

	"golang.org/x/time/rate"
)

//msgp:ignore bucketThrottle Monitor

type bucketThrottle struct {

	size := uint64(4)
	width := 1024
	capWidth := 2048

	bufPool := NewBytePoolCap(size, width, capWidth)

	// Check the width
	if bufPool.Width() != width {
		t.Fatalf("bytepool width invalid: got %v want %v", bufPool.Width(), width)
	}

	// Check with width cap
	if bufPool.WidthCap() != capWidth {
		t.Fatalf("bytepool capWidth invalid: got %v want %v", bufPool.WidthCap(), capWidth)
	}

func NewBytePoolCap(maxSize uint64, width int, capwidth int) (bp *BytePoolCap) {
	if capwidth > 0 && capwidth < 64 {
		panic("buffer capped with smaller than 64 bytes is not supported")
	}
	if capwidth > 0 && width > capwidth {
		panic("buffer length cannot be > capacity of the buffer")
	}
	return &BytePoolCap{
		c:    make(chan []byte, maxSize),
		w:    width,
		wcap: capwidth,
	}
}

}

// ToHTML renders the histogram as HTML.
func (h *TimeHistogram) ToHTML(urlmaker func(min, max time.Duration) string) template.HTML {
	if h == nil || h.Count == 0 {
		return template.HTML("")
	}

	const barWidth = 400

	maxCount := 0
	for _, count := range h.Buckets {
		if count > maxCount {
			maxCount = count
		}
	}

	w := new(strings.Builder)
	fmt.Fprintf(w, `<table>`)