docker/state.go

82 строки
1.2 KiB
Go

package docker
import (
"fmt"
"github.com/dotcloud/docker/utils"
"sync"
"time"
)
type State struct {
sync.RWMutex
Running bool
Pid int
ExitCode int
StartedAt time.Time
FinishedAt time.Time
Ghost bool
}
// String returns a human-readable description of the state
func (s *State) String() string {
s.RLock()
defer s.RUnlock()
if s.Running {
if s.Ghost {
return fmt.Sprintf("Ghost")
}
return fmt.Sprintf("Up %s", utils.HumanDuration(time.Now().UTC().Sub(s.StartedAt)))
}
return fmt.Sprintf("Exit %d", s.ExitCode)
}
func (s *State) IsRunning() bool {
s.RLock()
defer s.RUnlock()
return s.Running
}
func (s *State) IsGhost() bool {
s.RLock()
defer s.RUnlock()
return s.Ghost
}
func (s *State) GetExitCode() int {
s.RLock()
defer s.RUnlock()
return s.ExitCode
}
func (s *State) SetGhost(val bool) {
s.Lock()
defer s.Unlock()
s.Ghost = val
}
func (s *State) SetRunning(pid int) {
s.Lock()
defer s.Unlock()
s.Running = true
s.Ghost = false
s.ExitCode = 0
s.Pid = pid
s.StartedAt = time.Now().UTC()
}
func (s *State) SetStopped(exitCode int) {
s.Lock()
defer s.Unlock()
s.Running = false
s.Pid = 0
s.FinishedAt = time.Now().UTC()
s.ExitCode = exitCode
}