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synctv/internal/bootstrap/sysNotify.go

82 lines
1.7 KiB
Go

package bootstrap
import (
"errors"
"os"
"sync"
log "github.com/sirupsen/logrus"
"github.com/zijiren233/gencontainer/pqueue"
"github.com/zijiren233/gencontainer/rwmap"
)
var (
c chan os.Signal
once sync.Once
TaskGroup rwmap.RWMap[NotifyType, *taskQueue]
WaitCbk func()
)
type NotifyType int
const (
NotifyTypeEXIT NotifyType = iota + 1
NotifyTypeRELOAD
)
type taskQueue struct {
notifyTaskLock sync.Mutex
notifyTaskQueue *pqueue.PQueue[*SysNotifyTask]
}
type SysNotifyTask struct {
Task func() error
NotifyType NotifyType
Name string
}
func NewSysNotifyTask(name string, NotifyType NotifyType, task func() error) *SysNotifyTask {
return &SysNotifyTask{
Name: name,
NotifyType: NotifyType,
Task: task,
}
}
func runTask(tq *taskQueue) {
tq.notifyTaskLock.Lock()
defer tq.notifyTaskLock.Unlock()
for tq.notifyTaskQueue.Len() > 0 {
_, task := tq.notifyTaskQueue.Pop()
func() {
defer func() {
if err := recover(); err != nil {
log.Errorf("task: %s panic has returned: %v", task.Name, err)
}
}()
log.Infof("task: %s running", task.Name)
if err := task.Task(); err != nil {
log.Errorf("task: %s an error occurred: %v", task.Name, err)
}
log.Infof("task: %s done", task.Name)
}()
}
}
func RegisterSysNotifyTask(priority int, task *SysNotifyTask) error {
if task == nil || task.Task == nil {
return errors.New("task is nil")
}
if task.NotifyType == 0 {
panic("task notify type is 0")
}
tasks, _ := TaskGroup.LoadOrStore(task.NotifyType, &taskQueue{
notifyTaskQueue: pqueue.NewMinPriorityQueue[*SysNotifyTask](),
})
tasks.notifyTaskLock.Lock()
defer tasks.notifyTaskLock.Unlock()
tasks.notifyTaskQueue.Push(priority, task)
return nil
}