forked from containerd/containerd
/
event.go
84 lines (74 loc) · 1.86 KB
/
event.go
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package supervisor
import (
"os"
"time"
"github.com/docker/containerd/runtime"
"github.com/opencontainers/specs"
)
type EventType string
const (
ExecExitEventType EventType = "execExit"
ExitEventType EventType = "exit"
StartContainerEventType EventType = "startContainer"
DeleteEventType EventType = "deleteContainerEvent"
GetContainerEventType EventType = "getContainer"
SignalEventType EventType = "signal"
AddProcessEventType EventType = "addProcess"
UpdateContainerEventType EventType = "updateContainer"
CreateCheckpointEventType EventType = "createCheckpoint"
DeleteCheckpointEventType EventType = "deleteCheckpoint"
StatsEventType EventType = "events"
UnsubscribeStatsEventType EventType = "unsubscribeStats"
StopStatsEventType EventType = "stopStats"
OOMEventType EventType = "oom"
)
func NewEvent(t EventType) *Event {
return &Event{
Type: t,
Timestamp: time.Now(),
Err: make(chan error, 1),
}
}
type StartResponse struct {
Pid int
}
type Event struct {
Type EventType
Timestamp time.Time
ID string
BundlePath string
Stdout string
Stderr string
Stdin string
Console string
Pid int
Status int
Signal os.Signal
Process *specs.Process
State *runtime.State
Containers []runtime.Container
Checkpoint *runtime.Checkpoint
Err chan error
StartResponse chan StartResponse
Stats chan interface{}
}
type Handler interface {
Handle(*Event) error
}
type commonEvent struct {
data *Event
sv *Supervisor
}
func (e *commonEvent) Handle() {
h, ok := e.sv.handlers[e.data.Type]
if !ok {
e.data.Err <- ErrUnknownEvent
return
}
err := h.Handle(e.data)
if err != errDeferedResponse {
e.data.Err <- err
close(e.data.Err)
return
}
}