You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
76 lines
1.8 KiB
76 lines
1.8 KiB
// ------------------------------------------------------------------------
|
|
// 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 bfers
|
|
|
|
import "errs"
|
|
|
|
const (
|
|
|
|
minBitSize = 6
|
|
|
|
minSize = 1 << minBitSize
|
|
maxSize = 1 << (minBitSize + poolSteps - 1)
|
|
|
|
poolSteps = 20
|
|
poolThreshold = 42000
|
|
poolPercentile = 0.95
|
|
)
|
|
|
|
|
|
var (
|
|
G = struct {
|
|
ErrOutOfRange Err
|
|
ErrWriteCount Err
|
|
ErrTooShort Err
|
|
ErrTooLarge Err
|
|
ErrNegativeRead Err
|
|
ErrUnreadInvalid Err
|
|
}{
|
|
ErrOutOfRange: Err{errs.ErrCode("out-of-range")},
|
|
ErrWriteCount: Err{errs.ErrCode("write-count")},
|
|
ErrTooShort: Err{errs.ErrCode("too-short")},
|
|
ErrTooLarge: Err{errs.ErrCode("too-large")},
|
|
ErrNegativeRead: Err{errs.ErrCode("negative-read")},
|
|
ErrUnreadInvalid: Err{errs.ErrCode("unread-invalid")},
|
|
}
|
|
|
|
g = struct {
|
|
|
|
bufferPool *Pool
|
|
|
|
}{
|
|
bufferPool: NewPool(),
|
|
}
|
|
)
|
|
|
|
|
|
|
|
func AcquireBuffer () *Buffer {
|
|
return g.bufferPool.Get() }
|
|
|
|
|
|
func ReleaseBuffer (buffer *Buffer) {
|
|
g.bufferPool.Put(buffer) }
|
|
|