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122 lines
2.3 KiB
122 lines
2.3 KiB
// ------------------------------------------------------------------------
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// Project atila
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// Active Thing (activething.com) git.activething.com/go
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//
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// File name packer_state.go
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// Created by DEV
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// Modified 23/01/2024
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//
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// Copyright 2024 activething.com
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// ------------------------------------------------------------------------
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// ------------------------------------------------------------------------
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package packs
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import (
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"activething.com/go/gogo/core/bins"
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"activething.com/go/gogo/core/syncs"
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"sync/atomic"
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)
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type (
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State struct {
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/*Embedded*/*bins.Buffer
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Temp [64]byte
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Level int
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Checks map[any]struct{}
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Error error
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}
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)
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func NewState() *State {
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if atomic.CompareAndSwapUint32(&G.poolsSem,0,1) {
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G.statePool = syncs.NewPool[State](
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syncs.PoolWithNew[State](func() *State {
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return &State{
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Buffer: bins.NewBuffer(),
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Checks: make(map[any]struct{}),
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}
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}),
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)
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}
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return G.statePool.Get()
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}
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func ReleaseState (state *State) {
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if state == nil {
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state.Buffer.Reset()
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state.Error = nil
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if len(state.Checks) > 0 {
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for k,_ := range state.Checks {
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delete(state.Checks,k)
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}
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}
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if atomic.LoadUint32(&G.poolsSem) == 1 {
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G.statePool.Put(state)
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}
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}
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}
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func (s *State) SetError(err error) bool {
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if s.Error != nil {
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return true
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}
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if err == nil {
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return false
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}
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s.Error = err
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s.Reset()
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s.Level = 0
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return true
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}
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func (s *State) AddCheck(ptr any) bool {
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if _,hs := s.Checks[ptr]; hs {
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s.SetError(G.ErrRedundantPack)
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return false
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}
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s.Checks[ptr]=struct{}{}
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return true
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}
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func (s *State) DelCheck(ptr any) {
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delete(s.Checks,ptr)
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}
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func (s *State) Open(opener byte) {
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_ = s.WriteByte(opener)
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s.Level++
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}
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func (s *State) Close(closer byte) {
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_ = s.WriteByte(closer)
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s.Level--
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}
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