当前位置: 首页>>代码示例>>Golang>>正文


Golang Output.WriteProgress方法代码示例

本文整理汇总了Golang中github.com/docker/docker/pkg/progress.Output.WriteProgress方法的典型用法代码示例。如果您正苦于以下问题:Golang Output.WriteProgress方法的具体用法?Golang Output.WriteProgress怎么用?Golang Output.WriteProgress使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在github.com/docker/docker/pkg/progress.Output的用法示例。


在下文中一共展示了Output.WriteProgress方法的5个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。

示例1: Upload

// Upload is called to perform the upload.
func (u *mockUploadDescriptor) Upload(ctx context.Context, progressOutput progress.Output) (distribution.Descriptor, error) {
	if u.currentUploads != nil {
		defer atomic.AddInt32(u.currentUploads, -1)

		if atomic.AddInt32(u.currentUploads, 1) > maxUploadConcurrency {
			return distribution.Descriptor{}, errors.New("concurrency limit exceeded")
		}
	}

	// Sleep a bit to simulate a time-consuming upload.
	for i := int64(0); i <= 10; i++ {
		select {
		case <-ctx.Done():
			return distribution.Descriptor{}, ctx.Err()
		case <-time.After(10 * time.Millisecond):
			progressOutput.WriteProgress(progress.Progress{ID: u.ID(), Current: i, Total: 10})
		}
	}

	if u.simulateRetries != 0 {
		u.simulateRetries--
		return distribution.Descriptor{}, errors.New("simulating retry")
	}

	return distribution.Descriptor{}, nil
}
开发者ID:docker,项目名称:docker,代码行数:27,代码来源:upload_test.go

示例2: Download

// Download is called to perform the download.
func (d *mockDownloadDescriptor) Download(ctx context.Context, progressOutput progress.Output) (io.ReadCloser, int64, error) {
	if d.currentDownloads != nil {
		defer atomic.AddInt32(d.currentDownloads, -1)

		if atomic.AddInt32(d.currentDownloads, 1) > maxDownloadConcurrency {
			return nil, 0, errors.New("concurrency limit exceeded")
		}
	}

	// Sleep a bit to simulate a time-consuming download.
	for i := int64(0); i <= 10; i++ {
		select {
		case <-ctx.Done():
			return nil, 0, ctx.Err()
		case <-time.After(10 * time.Millisecond):
			progressOutput.WriteProgress(progress.Progress{ID: d.ID(), Action: "Downloading", Current: i, Total: 10})
		}
	}

	if d.simulateRetries != 0 {
		d.simulateRetries--
		return nil, 0, errors.New("simulating retry")
	}

	return d.mockTarStream(), 0, nil
}
开发者ID:ailispaw,项目名称:docker,代码行数:27,代码来源:download_test.go

示例3: Upload

// Upload is called to perform the upload.
func (u *mockUploadDescriptor) Upload(ctx context.Context, progressOutput progress.Output) (digest.Digest, error) {
	if u.currentUploads != nil {
		defer atomic.AddInt32(u.currentUploads, -1)

		if atomic.AddInt32(u.currentUploads, 1) > maxUploadConcurrency {
			return "", errors.New("concurrency limit exceeded")
		}
	}

	// Sleep a bit to simulate a time-consuming upload.
	for i := int64(0); i <= 10; i++ {
		select {
		case <-ctx.Done():
			return "", ctx.Err()
		case <-time.After(10 * time.Millisecond):
			progressOutput.WriteProgress(progress.Progress{ID: u.ID(), Current: i, Total: 10})
		}
	}

	if u.simulateRetries != 0 {
		u.simulateRetries--
		return "", errors.New("simulating retry")
	}

	// For the mock implementation, use SHA256(DiffID) as the returned
	// digest.
	return digest.FromBytes([]byte(u.diffID.String()))
}
开发者ID:DaveDaCoda,项目名称:docker,代码行数:29,代码来源:upload_test.go

示例4: Watch

// Watch adds a watcher to the transfer. The supplied channel gets progress
// updates and is closed when the transfer finishes.
func (t *transfer) Watch(progressOutput progress.Output) *Watcher {
	t.mu.Lock()
	defer t.mu.Unlock()

	w := &Watcher{
		releaseChan: make(chan struct{}),
		signalChan:  make(chan struct{}),
		running:     make(chan struct{}),
	}

	if t.broadcastDone {
		close(w.running)
		return w
	}

	t.watchers[w.releaseChan] = w

	go func() {
		defer func() {
			close(w.running)
		}()
		done := false
		for {
			t.mu.Lock()
			hasLastProgress := t.hasLastProgress
			lastProgress := t.lastProgress
			t.mu.Unlock()

			// This might write the last progress item a
			// second time (since channel closure also gets
			// us here), but that's fine.
			if hasLastProgress {
				progressOutput.WriteProgress(lastProgress)
			}

			if done {
				return
			}

			select {
			case <-w.signalChan:
			case <-w.releaseChan:
				done = true
				// Since the watcher is going to detach, make
				// sure the broadcaster is caught up so we
				// don't miss anything.
				select {
				case t.broadcastSyncChan <- struct{}{}:
				case <-t.running:
				}
			case <-t.running:
				done = true
			}
		}
	}()

	return w
}
开发者ID:DaveDaCoda,项目名称:docker,代码行数:60,代码来源:transfer.go

示例5: Watch

// Watch adds a watcher to the transfer. The supplied channel gets progress
// updates and is closed when the transfer finishes.
func (t *transfer) Watch(progressOutput progress.Output) *Watcher {
	t.mu.Lock()
	defer t.mu.Unlock()

	w := &Watcher{
		releaseChan: make(chan struct{}),
		signalChan:  make(chan struct{}),
		running:     make(chan struct{}),
	}

	t.watchers[w.releaseChan] = w

	if t.broadcastDone {
		close(w.running)
		return w
	}

	go func() {
		defer func() {
			close(w.running)
		}()
		var (
			done           bool
			lastWritten    progress.Progress
			hasLastWritten bool
		)
		for {
			t.mu.Lock()
			hasLastProgress := t.hasLastProgress
			lastProgress := t.lastProgress
			t.mu.Unlock()

			// Make sure we don't write the last progress item
			// twice.
			if hasLastProgress && (!done || !hasLastWritten || lastProgress != lastWritten) {
				progressOutput.WriteProgress(lastProgress)
				lastWritten = lastProgress
				hasLastWritten = true
			}

			if done {
				return
			}

			select {
			case <-w.signalChan:
			case <-w.releaseChan:
				done = true
				// Since the watcher is going to detach, make
				// sure the broadcaster is caught up so we
				// don't miss anything.
				select {
				case t.broadcastSyncChan <- struct{}{}:
				case <-t.running:
				}
			case <-t.running:
				done = true
			}
		}
	}()

	return w
}
开发者ID:hustcat,项目名称:docker,代码行数:65,代码来源:transfer.go


注:本文中的github.com/docker/docker/pkg/progress.Output.WriteProgress方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。