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state.go

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package docker

import (

"fmt"

"github.com/dotcloud/docker/utils"

"sync"

"time"

)

type State struct {

sync.Mutex

Running bool

Pid int

ExitCode int

StartedAt time.Time

Ghost bool

}

// String returns a human-readable description of the state

func (s *State) String() string {

if s.Running {

if s.Ghost {

return fmt.Sprintf("Ghost")

}

return fmt.Sprintf("Up %s", utils.HumanDuration(time.Now().Sub(s.StartedAt)))

}

return fmt.Sprintf("Exit %d", s.ExitCode)

}

func (s *State) setRunning(pid int) {

s.Running = true

s.Ghost = false

s.ExitCode = 0

s.Pid = pid

s.StartedAt = time.Now()

}

func (s *State) setStopped(exitCode int) {

s.Running = false

s.Pid = 0

s.ExitCode = exitCode

}