mirror of
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65 lines
1.2 KiB
Go
65 lines
1.2 KiB
Go
package background
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import (
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"fmt"
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"strings"
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"sync"
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btree2 "github.com/tidwall/btree"
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"go.uber.org/atomic"
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)
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// Progress - tracks background job progress
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type Progress struct {
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Name atomic.String
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Processed, Total atomic.Uint64
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i int
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}
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func (p *Progress) percent() int {
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return int(
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(float64(p.Processed.Load()) / float64(p.Total.Load())) * 100,
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)
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}
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// ProgressSet - tracks multiple background job progress
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type ProgressSet struct {
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list *btree2.Map[int, *Progress]
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i int
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lock sync.RWMutex
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}
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func NewProgressSet() *ProgressSet {
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return &ProgressSet{list: btree2.NewMap[int, *Progress](128)}
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}
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func (s *ProgressSet) Add(p *Progress) {
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s.lock.Lock()
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defer s.lock.Unlock()
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s.i++
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p.i = s.i
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s.list.Set(p.i, p)
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}
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func (s *ProgressSet) Delete(p *Progress) {
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s.lock.Lock()
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defer s.lock.Unlock()
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s.list.Delete(p.i)
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}
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func (s *ProgressSet) String() string {
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s.lock.RLock()
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defer s.lock.RUnlock()
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var sb strings.Builder
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var i int
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s.list.Scan(func(_ int, p *Progress) bool {
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sb.WriteString(fmt.Sprintf("%s=%d%%", p.Name.Load(), p.percent()))
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i++
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if i != s.list.Len() {
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sb.WriteString(", ")
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}
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return true
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})
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return sb.String()
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}
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