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Diffstat (limited to 'vendor/github.com/vbauerster/mpb/v5/progress.go')
-rw-r--r--vendor/github.com/vbauerster/mpb/v5/progress.go390
1 files changed, 0 insertions, 390 deletions
diff --git a/vendor/github.com/vbauerster/mpb/v5/progress.go b/vendor/github.com/vbauerster/mpb/v5/progress.go
deleted file mode 100644
index fb66ce05d..000000000
--- a/vendor/github.com/vbauerster/mpb/v5/progress.go
+++ /dev/null
@@ -1,390 +0,0 @@
-package mpb
-
-import (
- "bytes"
- "container/heap"
- "context"
- "fmt"
- "io"
- "io/ioutil"
- "log"
- "math"
- "os"
- "sync"
- "time"
-
- "github.com/vbauerster/mpb/v5/cwriter"
- "github.com/vbauerster/mpb/v5/decor"
-)
-
-const (
- // default RefreshRate
- prr = 120 * time.Millisecond
-)
-
-// Progress represents the container that renders Progress bars
-type Progress struct {
- ctx context.Context
- uwg *sync.WaitGroup
- cwg *sync.WaitGroup
- bwg *sync.WaitGroup
- operateState chan func(*pState)
- done chan struct{}
- refreshCh chan time.Time
- once sync.Once
- dlogger *log.Logger
-}
-
-type pState struct {
- bHeap priorityQueue
- heapUpdated bool
- pMatrix map[int][]chan int
- aMatrix map[int][]chan int
- barShutdownQueue []*Bar
-
- // following are provided/overrided by user
- idCount int
- reqWidth int
- popCompleted bool
- rr time.Duration
- uwg *sync.WaitGroup
- refreshSrc <-chan time.Time
- renderDelay <-chan struct{}
- shutdownNotifier chan struct{}
- parkedBars map[*Bar]*Bar
- output io.Writer
- debugOut io.Writer
-}
-
-// New creates new Progress container instance. It's not possible to
-// reuse instance after *Progress.Wait() method has been called.
-func New(options ...ContainerOption) *Progress {
- return NewWithContext(context.Background(), options...)
-}
-
-// NewWithContext creates new Progress container instance with provided
-// context. It's not possible to reuse instance after *Progress.Wait()
-// method has been called.
-func NewWithContext(ctx context.Context, options ...ContainerOption) *Progress {
- s := &pState{
- bHeap: priorityQueue{},
- rr: prr,
- parkedBars: make(map[*Bar]*Bar),
- output: os.Stdout,
- debugOut: ioutil.Discard,
- }
-
- for _, opt := range options {
- if opt != nil {
- opt(s)
- }
- }
-
- p := &Progress{
- ctx: ctx,
- uwg: s.uwg,
- cwg: new(sync.WaitGroup),
- bwg: new(sync.WaitGroup),
- operateState: make(chan func(*pState)),
- done: make(chan struct{}),
- dlogger: log.New(s.debugOut, "[mpb] ", log.Lshortfile),
- }
-
- p.cwg.Add(1)
- go p.serve(s, cwriter.New(s.output))
- return p
-}
-
-// AddBar creates a new progress bar and adds it to the rendering queue.
-func (p *Progress) AddBar(total int64, options ...BarOption) *Bar {
- return p.Add(total, NewBarFiller(DefaultBarStyle, false), options...)
-}
-
-// AddSpinner creates a new spinner bar and adds it to the rendering queue.
-func (p *Progress) AddSpinner(total int64, alignment SpinnerAlignment, options ...BarOption) *Bar {
- return p.Add(total, NewSpinnerFiller(DefaultSpinnerStyle, alignment), options...)
-}
-
-// Add creates a bar which renders itself by provided filler.
-// Set total to 0, if you plan to update it later.
-// Panics if *Progress instance is done, i.e. called after *Progress.Wait().
-func (p *Progress) Add(total int64, filler BarFiller, options ...BarOption) *Bar {
- if filler == nil {
- filler = BarFillerFunc(func(io.Writer, int, decor.Statistics) {})
- }
- p.bwg.Add(1)
- result := make(chan *Bar)
- select {
- case p.operateState <- func(ps *pState) {
- bs := ps.makeBarState(total, filler, options...)
- bar := newBar(p, bs)
- if bs.runningBar != nil {
- bs.runningBar.noPop = true
- ps.parkedBars[bs.runningBar] = bar
- } else {
- heap.Push(&ps.bHeap, bar)
- ps.heapUpdated = true
- }
- ps.idCount++
- result <- bar
- }:
- bar := <-result
- bar.subscribeDecorators()
- return bar
- case <-p.done:
- p.bwg.Done()
- panic(fmt.Sprintf("%T instance can't be reused after it's done!", p))
- }
-}
-
-func (p *Progress) dropBar(b *Bar) {
- select {
- case p.operateState <- func(s *pState) {
- if b.index < 0 {
- return
- }
- heap.Remove(&s.bHeap, b.index)
- s.heapUpdated = true
- }:
- case <-p.done:
- }
-}
-
-func (p *Progress) setBarPriority(b *Bar, priority int) {
- select {
- case p.operateState <- func(s *pState) {
- if b.index < 0 {
- return
- }
- b.priority = priority
- heap.Fix(&s.bHeap, b.index)
- }:
- case <-p.done:
- }
-}
-
-// UpdateBarPriority same as *Bar.SetPriority(int).
-func (p *Progress) UpdateBarPriority(b *Bar, priority int) {
- p.setBarPriority(b, priority)
-}
-
-// BarCount returns bars count
-func (p *Progress) BarCount() int {
- result := make(chan int, 1)
- select {
- case p.operateState <- func(s *pState) { result <- s.bHeap.Len() }:
- return <-result
- case <-p.done:
- return 0
- }
-}
-
-// Wait waits for all bars to complete and finally shutdowns container.
-// After this method has been called, there is no way to reuse *Progress
-// instance.
-func (p *Progress) Wait() {
- if p.uwg != nil {
- // wait for user wg
- p.uwg.Wait()
- }
-
- // wait for bars to quit, if any
- p.bwg.Wait()
-
- p.once.Do(p.shutdown)
-
- // wait for container to quit
- p.cwg.Wait()
-}
-
-func (p *Progress) shutdown() {
- close(p.done)
-}
-
-func (p *Progress) serve(s *pState, cw *cwriter.Writer) {
- defer p.cwg.Done()
-
- p.refreshCh = s.newTicker(p.done)
-
- for {
- select {
- case op := <-p.operateState:
- op(s)
- case <-p.refreshCh:
- if err := s.render(cw); err != nil {
- p.dlogger.Println(err)
- }
- case <-s.shutdownNotifier:
- if s.heapUpdated {
- if err := s.render(cw); err != nil {
- p.dlogger.Println(err)
- }
- }
- return
- }
- }
-}
-
-func (s *pState) newTicker(done <-chan struct{}) chan time.Time {
- ch := make(chan time.Time)
- if s.shutdownNotifier == nil {
- s.shutdownNotifier = make(chan struct{})
- }
- go func() {
- if s.renderDelay != nil {
- <-s.renderDelay
- }
- if s.refreshSrc == nil {
- ticker := time.NewTicker(s.rr)
- defer ticker.Stop()
- s.refreshSrc = ticker.C
- }
- for {
- select {
- case tick := <-s.refreshSrc:
- ch <- tick
- case <-done:
- close(s.shutdownNotifier)
- return
- }
- }
- }()
- return ch
-}
-
-func (s *pState) render(cw *cwriter.Writer) error {
- if s.heapUpdated {
- s.updateSyncMatrix()
- s.heapUpdated = false
- }
- syncWidth(s.pMatrix)
- syncWidth(s.aMatrix)
-
- tw, err := cw.GetWidth()
- if err != nil {
- tw = s.reqWidth
- }
- for i := 0; i < s.bHeap.Len(); i++ {
- bar := s.bHeap[i]
- go bar.render(tw)
- }
-
- return s.flush(cw)
-}
-
-func (s *pState) flush(cw *cwriter.Writer) error {
- var lineCount int
- bm := make(map[*Bar]struct{}, s.bHeap.Len())
- for s.bHeap.Len() > 0 {
- b := heap.Pop(&s.bHeap).(*Bar)
- cw.ReadFrom(<-b.frameCh)
- if b.toShutdown {
- if b.recoveredPanic != nil {
- s.barShutdownQueue = append(s.barShutdownQueue, b)
- b.toShutdown = false
- } else {
- // shutdown at next flush
- // this ensures no bar ends up with less than 100% rendered
- defer func() {
- s.barShutdownQueue = append(s.barShutdownQueue, b)
- }()
- }
- }
- lineCount += b.extendedLines + 1
- bm[b] = struct{}{}
- }
-
- for _, b := range s.barShutdownQueue {
- if parkedBar := s.parkedBars[b]; parkedBar != nil {
- parkedBar.priority = b.priority
- heap.Push(&s.bHeap, parkedBar)
- delete(s.parkedBars, b)
- b.toDrop = true
- }
- if s.popCompleted && !b.noPop {
- lineCount -= b.extendedLines + 1
- b.toDrop = true
- }
- if b.toDrop {
- delete(bm, b)
- s.heapUpdated = true
- }
- b.cancel()
- }
- s.barShutdownQueue = s.barShutdownQueue[0:0]
-
- for b := range bm {
- heap.Push(&s.bHeap, b)
- }
-
- return cw.Flush(lineCount)
-}
-
-func (s *pState) updateSyncMatrix() {
- s.pMatrix = make(map[int][]chan int)
- s.aMatrix = make(map[int][]chan int)
- for i := 0; i < s.bHeap.Len(); i++ {
- bar := s.bHeap[i]
- table := bar.wSyncTable()
- pRow, aRow := table[0], table[1]
-
- for i, ch := range pRow {
- s.pMatrix[i] = append(s.pMatrix[i], ch)
- }
-
- for i, ch := range aRow {
- s.aMatrix[i] = append(s.aMatrix[i], ch)
- }
- }
-}
-
-func (s *pState) makeBarState(total int64, filler BarFiller, options ...BarOption) *bState {
- bs := &bState{
- id: s.idCount,
- priority: s.idCount,
- reqWidth: s.reqWidth,
- total: total,
- filler: filler,
- extender: func(r io.Reader, _ int, _ decor.Statistics) (io.Reader, int) { return r, 0 },
- debugOut: s.debugOut,
- }
-
- for _, opt := range options {
- if opt != nil {
- opt(bs)
- }
- }
-
- if bs.middleware != nil {
- bs.filler = bs.middleware(filler)
- bs.middleware = nil
- }
-
- if s.popCompleted && !bs.noPop {
- bs.priority = -(math.MaxInt32 - s.idCount)
- }
-
- bs.bufP = bytes.NewBuffer(make([]byte, 0, 128))
- bs.bufB = bytes.NewBuffer(make([]byte, 0, 256))
- bs.bufA = bytes.NewBuffer(make([]byte, 0, 128))
-
- return bs
-}
-
-func syncWidth(matrix map[int][]chan int) {
- for _, column := range matrix {
- go maxWidthDistributor(column)
- }
-}
-
-var maxWidthDistributor = func(column []chan int) {
- var maxWidth int
- for _, ch := range column {
- if w := <-ch; w > maxWidth {
- maxWidth = w
- }
- }
- for _, ch := range column {
- ch <- maxWidth
- }
-}