Golang httputils.ResumableRequestReaderWithInitialResponse函数代码示例

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本文整理汇总了Golang中github.com/docker/docker/pkg/httputils.ResumableRequestReaderWithInitialResponse函数的典型用法代码示例。如果您正苦于以下问题：Golang ResumableRequestReaderWithInitialResponse函数的具体用法？Golang ResumableRequestReaderWithInitialResponse怎么用？Golang ResumableRequestReaderWithInitialResponse使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了ResumableRequestReaderWithInitialResponse函数的3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，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: GetRemoteImageLayer

func (r *Session) GetRemoteImageLayer(imgID, registry string, token []string, imgSize int64) (io.ReadCloser, error) {
	var (
		retries    = 5
		statusCode = 0
		client     *http.Client
		res        *http.Response
		imageURL   = fmt.Sprintf("%simages/%s/layer", registry, imgID)
	)

	req, err := r.reqFactory.NewRequest("GET", imageURL, nil)
	if err != nil {
		return nil, fmt.Errorf("Error while getting from the server: %s\n", err)
	}
	setTokenAuth(req, token)
	for i := 1; i <= retries; i++ {
		statusCode = 0
		res, client, err = r.doRequest(req)
		if err != nil {
			log.Debugf("Error contacting registry: %s", err)
			if res != nil {
				if res.Body != nil {
					res.Body.Close()
				}
				statusCode = res.StatusCode
			}
			if i == retries {
				return nil, fmt.Errorf("Server error: Status %d while fetching image layer (%s)",
					statusCode, imgID)
			}
			time.Sleep(time.Duration(i) * 5 * time.Second)
			continue
		}
		break
	}

	if res.StatusCode != 200 {
		res.Body.Close()
		return nil, fmt.Errorf("Server error: Status %d while fetching image layer (%s)",
			res.StatusCode, imgID)
	}

	if res.Header.Get("Accept-Ranges") == "bytes" && imgSize > 0 {
		log.Debugf("server supports resume")
		return httputils.ResumableRequestReaderWithInitialResponse(client, req, 5, imgSize, res), nil
	}
	log.Debugf("server doesn't support resume")
	return res.Body, nil
}

开发者ID:jorik041，项目名称:docker，代码行数:48，代码来源:session.go

示例2: GetRemoteImageLayer

func (r *Session) GetRemoteImageLayer(imgID, registry string, imgSize int64) (io.ReadCloser, error) {
	var (
		retries    = 5
		statusCode = 0
		res        *http.Response
		err        error
		imageURL   = fmt.Sprintf("%simages/%s/layer", registry, imgID)
	)

	req, err := http.NewRequest("GET", imageURL, nil)
	if err != nil {
		return nil, fmt.Errorf("Error while getting from the server: %v", err)
	}
	// TODO: why are we doing retries at this level?
	// These retries should be generic to both v1 and v2
	for i := 1; i <= retries; i++ {
		statusCode = 0
		res, err = r.client.Do(req)
		if err == nil {
			break
		}
		logrus.Debugf("Error contacting registry %s: %v", registry, err)
		if res != nil {
			if res.Body != nil {
				res.Body.Close()
			}
			statusCode = res.StatusCode
		}
		if i == retries {
			return nil, fmt.Errorf("Server error: Status %d while fetching image layer (%s)",
				statusCode, imgID)
		}
		time.Sleep(time.Duration(i) * 5 * time.Second)
	}

	if res.StatusCode != 200 {
		res.Body.Close()
		return nil, fmt.Errorf("Server error: Status %d while fetching image layer (%s)",
			res.StatusCode, imgID)
	}

	if res.Header.Get("Accept-Ranges") == "bytes" && imgSize > 0 {
		logrus.Debugf("server supports resume")
		return httputils.ResumableRequestReaderWithInitialResponse(r.client, req, 5, imgSize, res), nil
	}
	logrus.Debugf("server doesn't support resume")
	return res.Body, nil
}

开发者ID:AdamOssenford，项目名称:docker-pi，代码行数:48，代码来源:session.go

示例3: GetRemoteImageLayer

// GetRemoteImageLayer retrieves an image layer from the registry
func (r *Session) GetRemoteImageLayer(imgID, registry string, imgSize int64) (io.ReadCloser, error) {
	var (
		statusCode = 0
		res        *http.Response
		err        error
		imageURL   = fmt.Sprintf("%simages/%s/layer", registry, imgID)
	)

	req, err := http.NewRequest("GET", imageURL, nil)
	if err != nil {
		return nil, fmt.Errorf("Error while getting from the server: %v", err)
	}
	statusCode = 0
	res, err = r.client.Do(req)
	if err != nil {
		logrus.Debugf("Error contacting registry %s: %v", registry, err)
		// the only case err != nil && res != nil is https://golang.org/src/net/http/client.go#L515
		if res != nil {
			if res.Body != nil {
				res.Body.Close()
			}
			statusCode = res.StatusCode
		}
		return nil, fmt.Errorf("Server error: Status %d while fetching image layer (%s)",
			statusCode, imgID)
	}

	if res.StatusCode != 200 {
		res.Body.Close()
		return nil, fmt.Errorf("Server error: Status %d while fetching image layer (%s)",
			res.StatusCode, imgID)
	}

	if res.Header.Get("Accept-Ranges") == "bytes" && imgSize > 0 {
		logrus.Debugf("server supports resume")
		return httputils.ResumableRequestReaderWithInitialResponse(r.client, req, 5, imgSize, res), nil
	}
	logrus.Debugf("server doesn't support resume")
	return res.Body, nil
}

开发者ID:kolyshkin，项目名称:docker，代码行数:41，代码来源:session.go

注：本文中的github.com/docker/docker/pkg/httputils.ResumableRequestReaderWithInitialResponse函数示例整理自Github/MSDocs等源码及文档管理平台，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。