mirror of
https://github.com/MetaCubeX/mihomo.git
synced 2024-09-15 21:32:32 +00:00
36 lines
522 B
Go
36 lines
522 B
Go
|
package observable
|
||
|
|
|
||
|
|
import (
|
||
|
|
"sync"
|
||
|
|
|
||
|
|
"gopkg.in/eapache/channels.v1"
|
||
|
|
)
|
||
|
|
|
||
|
|
type Subscription <-chan interface{}
|
||
|
|
|
||
|
|
type Subscriber struct {
|
||
|
|
buffer *channels.InfiniteChannel
|
||
|
|
once sync.Once
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *Subscriber) Emit(item interface{}) {
|
||
|
|
s.buffer.In() <- item
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *Subscriber) Out() Subscription {
|
||
|
|
return s.buffer.Out()
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *Subscriber) Close() {
|
||
|
|
s.once.Do(func() {
|
||
|
|
s.buffer.Close()
|
||
|
|
})
|
||
|
|
}
|
||
|
|
|
||
|
|
func newSubscriber() *Subscriber {
|
||
|
|
sub := &Subscriber{
|
||
|
|
buffer: channels.NewInfiniteChannel(),
|
||
|
|
}
|
||
|
|
return sub
|
||
|
|
}
|