docker/daemon/state.go

66 строки
1.1 KiB
Go

package daemon
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
}
// String returns a human-readable description of the state
func (s *State) String() string {
s.RLock()
defer s.RUnlock()
if s.Running {
return fmt.Sprintf("Up %s", utils.HumanDuration(time.Now().UTC().Sub(s.StartedAt)))
}
if s.FinishedAt.IsZero() {
return ""
}
return fmt.Sprintf("Exited (%d) %s ago", s.ExitCode, utils.HumanDuration(time.Now().UTC().Sub(s.FinishedAt)))
}
func (s *State) IsRunning() bool {
s.RLock()
defer s.RUnlock()
return s.Running
}
func (s *State) GetExitCode() int {
s.RLock()
defer s.RUnlock()
return s.ExitCode
}
func (s *State) SetRunning(pid int) {
s.Lock()
defer s.Unlock()
s.Running = true
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
}