active/core/bins/active.go

// ------------------------------------------------------------------------
//   Project atila
//   Active Thing (activething.com) git.activething.com/go
//
//   File name  go.go
//   Created by DEV
//   Modified   16/01/2024
//
//   Copyright 2024 activething.com
// ------------------------------------------------------------------------
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ------------------------------------------------------------------------

package bins

import "errs"

const (

	minBitSize = 6

	minSize = 1 << minBitSize
	maxSize = 1 << (minBitSize + poolSteps - 1)

	poolSteps      = 20
	poolThreshold  = 42000
	poolPercentile = 0.95
)


var (
	G = struct {
		ErrOutOfRange    errs.ErrCode
		ErrWriteCount    errs.ErrCode
		ErrTooShort      errs.ErrCode
		ErrTooLarge      errs.ErrCode
		ErrNegativeRead  errs.ErrCode
		ErrUnreadInvalid errs.ErrCode



	}{
		ErrOutOfRange:    errs.ErrCode("core:bins.out-of-range"),
		ErrWriteCount:    errs.ErrCode("core:bins.write-count"),
		ErrTooShort:      errs.ErrCode("core:bins.too-short"),
		ErrTooLarge:      errs.ErrCode("core:bins.too-large"),
		ErrNegativeRead:  errs.ErrCode("core:bins.negative-read"),
		ErrUnreadInvalid: errs.ErrCode("core:bins.unread-invalid"),


	}

	g = struct {

		bufferPool 		 *BufferPool

	}{
		bufferPool: NewBufferPool(),
	}
)



func AcquireBuffer () *Buffer {
	return g.bufferPool.Get() }


func ReleaseBuffer (buffer *Buffer) {
	g.bufferPool.Put(buffer) }