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Golang httputils.CloseStreams函数代码示例

本文整理汇总了Golang中github.com/docker/docker/api/server/httputils.CloseStreams函数的典型用法代码示例。如果您正苦于以下问题：Golang CloseStreams函数的具体用法？Golang CloseStreams怎么用？Golang CloseStreams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CloseStreams函数的6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: postContainerExecStart

// TODO(vishh): Refactor the code to avoid having to specify stream config as part of both create and start.
func (s *containerRouter) postContainerExecStart(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if err := httputils.ParseForm(r); err != nil {
		return err
	}

	version := httputils.VersionFromContext(ctx)
	if versions.GreaterThan(version, "1.21") {
		if err := httputils.CheckForJSON(r); err != nil {
			return err
		}
	}

	var (
		execName                  = vars["name"]
		stdin, inStream           io.ReadCloser
		stdout, stderr, outStream io.Writer
	)

	execStartCheck := &types.ExecStartCheck{}
	if err := json.NewDecoder(r.Body).Decode(execStartCheck); err != nil {
		return err
	}

	if exists, err := s.backend.ExecExists(execName); !exists {
		return err
	}

	if !execStartCheck.Detach {
		var err error
		// Setting up the streaming http interface.
		inStream, outStream, err = httputils.HijackConnection(w)
		if err != nil {
			return err
		}
		defer httputils.CloseStreams(inStream, outStream)

		if _, ok := r.Header["Upgrade"]; ok {
			fmt.Fprintf(outStream, "HTTP/1.1 101 UPGRADED\r\nContent-Type: application/vnd.docker.raw-stream\r\nConnection: Upgrade\r\nUpgrade: tcp\r\n\r\n")
		} else {
			fmt.Fprintf(outStream, "HTTP/1.1 200 OK\r\nContent-Type: application/vnd.docker.raw-stream\r\n\r\n")
		}

		stdin = inStream
		stdout = outStream
		if !execStartCheck.Tty {
			stderr = stdcopy.NewStdWriter(outStream, stdcopy.Stderr)
			stdout = stdcopy.NewStdWriter(outStream, stdcopy.Stdout)
		}
	}

	// Now run the user process in container.
	if err := s.backend.ContainerExecStart(execName, stdin, stdout, stderr); err != nil {
		if execStartCheck.Detach {
			return err
		}
		stdout.Write([]byte(err.Error() + "\r\n"))
		logrus.Errorf("Error running exec in container: %v", err)
	}
	return nil
}
开发者ID:RAMESHBABUK，项目名称:docker，代码行数:61，代码来源:exec.go

示例2: postContainersAttach

func (s *containerRouter) postContainersAttach(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	err := httputils.ParseForm(r)
	if err != nil {
		return err
	}
	containerName := vars["name"]

	_, upgrade := r.Header["Upgrade"]

	keys := []byte{}
	detachKeys := r.FormValue("detachKeys")
	if detachKeys != "" {
		keys, err = term.ToBytes(detachKeys)
		if err != nil {
			logrus.Warnf("Invalid escape keys provided (%s) using default : ctrl-p ctrl-q", detachKeys)
		}
	}

	hijacker, ok := w.(http.Hijacker)
	if !ok {
		return derr.ErrorCodeNoHijackConnection.WithArgs(containerName)
	}

	setupStreams := func() (io.ReadCloser, io.Writer, io.Writer, error) {
		conn, _, err := hijacker.Hijack()
		if err != nil {
			return nil, nil, nil, err
		}

		// set raw mode
		conn.Write([]byte{})

		if upgrade {
			fmt.Fprintf(conn, "HTTP/1.1 101 UPGRADED\r\nContent-Type: application/vnd.docker.raw-stream\r\nConnection: Upgrade\r\nUpgrade: tcp\r\n\r\n")
		} else {
			fmt.Fprintf(conn, "HTTP/1.1 200 OK\r\nContent-Type: application/vnd.docker.raw-stream\r\n\r\n")
		}

		closer := func() error {
			httputils.CloseStreams(conn)
			return nil
		}
		return ioutils.NewReadCloserWrapper(conn, closer), conn, conn, nil
	}

	attachConfig := &backend.ContainerAttachConfig{
		GetStreams: setupStreams,
		UseStdin:   httputils.BoolValue(r, "stdin"),
		UseStdout:  httputils.BoolValue(r, "stdout"),
		UseStderr:  httputils.BoolValue(r, "stderr"),
		Logs:       httputils.BoolValue(r, "logs"),
		Stream:     httputils.BoolValue(r, "stream"),
		DetachKeys: keys,
		MuxStreams: true,
	}

	return s.backend.ContainerAttach(containerName, attachConfig)
}
开发者ID:gao-feng，项目名称:docker，代码行数:58，代码来源:container_routes.go

示例3: postContainerAttach

func (s *containerRouter) postContainerAttach(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if err := httputils.ParseForm(r); err != nil {
		return err
	}

	container := r.Form.Get("container")
	// Setting up the streaming http interface.
	inStream, outStream, err := httputils.HijackConnection(w)
	if err != nil {
		return err
	}
	defer httputils.CloseStreams(inStream, outStream)

	fmt.Fprintf(outStream, "HTTP/1.1 101 UPGRADED\r\nContent-Type: application/vnd.docker.raw-stream\r\nConnection: Upgrade\r\nUpgrade: tcp\r\n\r\n")

	return s.backend.CmdAttach(inStream, outStream.(io.WriteCloser), container)
}
开发者ID:juito，项目名称:hyper，代码行数:17，代码来源:exec.go

示例4: postContainerExecStart

// TODO(vishh): Refactor the code to avoid having to specify stream config as part of both create and start.
func (s *router) postContainerExecStart(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if err := httputils.ParseForm(r); err != nil {
		return err
	}
	var (
		execName                  = vars["name"]
		stdin, inStream           io.ReadCloser
		stdout, stderr, outStream io.Writer
	)

	execStartCheck := &types.ExecStartCheck{}
	if err := json.NewDecoder(r.Body).Decode(execStartCheck); err != nil {
		return err
	}

	if !execStartCheck.Detach {
		var err error
		// Setting up the streaming http interface.
		inStream, outStream, err = httputils.HijackConnection(w)
		if err != nil {
			return err
		}
		defer httputils.CloseStreams(inStream, outStream)

		if _, ok := r.Header["Upgrade"]; ok {
			fmt.Fprintf(outStream, "HTTP/1.1 101 UPGRADED\r\nContent-Type: application/vnd.docker.raw-stream\r\nConnection: Upgrade\r\nUpgrade: tcp\r\n\r\n")
		} else {
			fmt.Fprintf(outStream, "HTTP/1.1 200 OK\r\nContent-Type: application/vnd.docker.raw-stream\r\n\r\n")
		}

		stdin = inStream
		stdout = outStream
		if !execStartCheck.Tty {
			stderr = stdcopy.NewStdWriter(outStream, stdcopy.Stderr)
			stdout = stdcopy.NewStdWriter(outStream, stdcopy.Stdout)
		}
	} else {
		outStream = w
	}

	// Now run the user process in container.
	if err := s.daemon.ContainerExecStart(execName, stdin, stdout, stderr); err != nil {
		fmt.Fprintf(outStream, "Error running exec in container: %v\n", err)
	}
	return nil
}
开发者ID:rajurs，项目名称:docker，代码行数:47，代码来源:exec.go

示例5: postContainersAttach

func (s *router) postContainersAttach(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if err := httputils.ParseForm(r); err != nil {
		return err
	}
	containerName := vars["name"]

	if !s.daemon.Exists(containerName) {
		return derr.ErrorCodeNoSuchContainer.WithArgs(containerName)
	}

	if s.daemon.IsPaused(containerName) {
		return derr.ErrorCodePausedContainer.WithArgs(containerName)
	}

	inStream, outStream, err := httputils.HijackConnection(w)
	if err != nil {
		return err
	}
	defer httputils.CloseStreams(inStream, outStream)

	if _, ok := r.Header["Upgrade"]; ok {
		fmt.Fprintf(outStream, "HTTP/1.1 101 UPGRADED\r\nContent-Type: application/vnd.docker.raw-stream\r\nConnection: Upgrade\r\nUpgrade: tcp\r\n\r\n")
	} else {
		fmt.Fprintf(outStream, "HTTP/1.1 200 OK\r\nContent-Type: application/vnd.docker.raw-stream\r\n\r\n")
	}

	attachWithLogsConfig := &daemon.ContainerAttachWithLogsConfig{
		InStream:  inStream,
		OutStream: outStream,
		UseStdin:  httputils.BoolValue(r, "stdin"),
		UseStdout: httputils.BoolValue(r, "stdout"),
		UseStderr: httputils.BoolValue(r, "stderr"),
		Logs:      httputils.BoolValue(r, "logs"),
		Stream:    httputils.BoolValue(r, "stream"),
	}

	if err := s.daemon.ContainerAttachWithLogs(containerName, attachWithLogsConfig); err != nil {
		fmt.Fprintf(outStream, "Error attaching: %s\n", err)
	}

	return nil
}
开发者ID:masa-ike，项目名称:docker，代码行数:42，代码来源:container.go

示例6: postContainersAttach

func (s *containerRouter) postContainersAttach(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	err := httputils.ParseForm(r)
	if err != nil {
		return err
	}
	containerName := vars["name"]

	_, upgrade := r.Header["Upgrade"]
	detachKeys := r.FormValue("detachKeys")

	hijacker, ok := w.(http.Hijacker)
	if !ok {
		return fmt.Errorf("error attaching to container %s, hijack connection missing", containerName)
	}

	setupStreams := func() (io.ReadCloser, io.Writer, io.Writer, error) {
		conn, _, err := hijacker.Hijack()
		if err != nil {
			return nil, nil, nil, err
		}

		// set raw mode
		conn.Write([]byte{})

		if upgrade {
			fmt.Fprintf(conn, "HTTP/1.1 101 UPGRADED\r\nContent-Type: application/vnd.docker.raw-stream\r\nConnection: Upgrade\r\nUpgrade: tcp\r\n\r\n")
		} else {
			fmt.Fprintf(conn, "HTTP/1.1 200 OK\r\nContent-Type: application/vnd.docker.raw-stream\r\n\r\n")
		}

		closer := func() error {
			httputils.CloseStreams(conn)
			return nil
		}
		return ioutils.NewReadCloserWrapper(conn, closer), conn, conn, nil
	}

	attachConfig := &backend.ContainerAttachConfig{
		GetStreams: setupStreams,
		UseStdin:   httputils.BoolValue(r, "stdin"),
		UseStdout:  httputils.BoolValue(r, "stdout"),
		UseStderr:  httputils.BoolValue(r, "stderr"),
		Logs:       httputils.BoolValue(r, "logs"),
		Stream:     httputils.BoolValue(r, "stream"),
		DetachKeys: detachKeys,
		MuxStreams: true,
	}

	if err = s.backend.ContainerAttach(containerName, attachConfig); err != nil {
		logrus.Errorf("Handler for %s %s returned error: %v", r.Method, r.URL.Path, err)
		// Remember to close stream if error happens
		conn, _, errHijack := hijacker.Hijack()
		if errHijack == nil {
			statusCode := httputils.GetHTTPErrorStatusCode(err)
			statusText := http.StatusText(statusCode)
			fmt.Fprintf(conn, "HTTP/1.1 %d %s\r\nContent-Type: application/vnd.docker.raw-stream\r\n\r\n%s\r\n", statusCode, statusText, err.Error())
			httputils.CloseStreams(conn)
		} else {
			logrus.Errorf("Error Hijacking: %v", err)
		}
	}
	return nil
}
开发者ID:harche，项目名称:docker，代码行数:63，代码来源:container_routes.go


注：本文中的github.com/docker/docker/api/server/httputils.CloseStreams函数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。