fea: add statics for output

pkg/cache/output.go

@@ -0,0 +1,47 @@
+package cache
+
+import (
+	"github.com/luscis/openlan/pkg/libol"
+	"github.com/luscis/openlan/pkg/models"
+)
+
+type output struct {
+	outputs *libol.SafeStrMap
+}
+
+func (p *output) Init(size int) {
+	p.outputs = libol.NewSafeStrMap(size)
+}
+
+func (p *output) Add(uuid string, output *models.Output) {
+	_ = p.outputs.Set(uuid, output)
+}
+
+func (p *output) Get(key string) *models.Output {
+	ret := p.outputs.Get(key)
+	if ret != nil {
+		return ret.(*models.Output)
+	}
+	return nil
+}
+
+func (p *output) Del(key string) {
+	p.outputs.Del(key)
+}
+
+func (p *output) List() <-chan *models.Output {
+	c := make(chan *models.Output, 128)
+	go func() {
+		p.outputs.Iter(func(k string, v interface{}) {
+			m := v.(*models.Output)
+			m.Update()
+			c <- m
+		})
+		c <- nil //Finish channel by nil.
+	}()
+	return c
+}
+
+var Output = output{
+	outputs: libol.NewSafeStrMap(1024),
+}