示例#1
0
文件: utils.go 项目: beginnor/docker
func (cli *DockerCli) getTtySize() (int, int) {
	if !cli.isTerminal {
		return 0, 0
	}
	ws, err := term.GetWinsize(cli.terminalFd)
	if err != nil {
		log.Debugf("Error getting size: %s", err)
		if ws == nil {
			return 0, 0
		}
	}
	return int(ws.Height), int(ws.Width)
}
示例#2
0
文件: exec.go 项目: beginnor/docker
func resizeTty(master *os.File) {
	if master == nil {
		return
	}

	ws, err := term.GetWinsize(os.Stdin.Fd())
	if err != nil {
		return
	}

	if err := term.SetWinsize(master.Fd(), ws); err != nil {
		return
	}
}
示例#3
0
func (p *JSONProgress) String() string {
	var (
		width       = 200
		pbBox       string
		numbersBox  string
		timeLeftBox string
	)

	ws, err := term.GetWinsize(p.terminalFd)
	if err == nil {
		width = int(ws.Width)
	}

	if p.Current <= 0 && p.Total <= 0 {
		return ""
	}
	current := units.HumanSize(int64(p.Current))
	if p.Total <= 0 {
		return fmt.Sprintf("%8v", current)
	}
	total := units.HumanSize(int64(p.Total))
	percentage := int(float64(p.Current)/float64(p.Total)*100) / 2
	if width > 110 {
		// this number can't be negetive gh#7136
		numSpaces := 0
		if 50-percentage > 0 {
			numSpaces = 50 - percentage
		}
		pbBox = fmt.Sprintf("[%s>%s] ", strings.Repeat("=", percentage), strings.Repeat(" ", numSpaces))
	}
	numbersBox = fmt.Sprintf("%8v/%v", current, total)

	if p.Current > 0 && p.Start > 0 && percentage < 50 {
		fromStart := time.Now().UTC().Sub(time.Unix(int64(p.Start), 0))
		perEntry := fromStart / time.Duration(p.Current)
		left := time.Duration(p.Total-p.Current) * perEntry
		left = (left / time.Second) * time.Second

		if width > 50 {
			timeLeftBox = " " + left.String()
		}
	}
	return pbBox + numbersBox + timeLeftBox
}