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woodpecker/server/pubsub/topic.go
Jacob Floyd a0d008e071
Move cncd/{logging,pubsub,queue}/ to server/{logging,pubsub,queue}/ (#346)
* Move cncd/{logging,pubsub,queue}/ to server/{logging,pubsub,queue}/

* Update REAMDEs and include history

Co-authored-by: Anbraten <anton@ju60.de>

Co-authored-by: Anbraten <anton@ju60.de>
2021-09-23 22:29:09 +02:00

46 lines
627 B
Go

package pubsub
import "sync"
type topic struct {
sync.Mutex
name string
done chan struct{}
subs map[*subscriber]struct{}
}
func newTopic(dest string) *topic {
return &topic{
name: dest,
done: make(chan struct{}),
subs: make(map[*subscriber]struct{}),
}
}
func (t *topic) subscribe(s *subscriber) {
t.Lock()
t.subs[s] = struct{}{}
t.Unlock()
}
func (t *topic) unsubscribe(s *subscriber) {
t.Lock()
delete(t.subs, s)
t.Unlock()
}
func (t *topic) publish(m Message) {
t.Lock()
for s := range t.subs {
go s.receiver(m)
}
t.Unlock()
}
func (t *topic) close() {
t.Lock()
close(t.done)
t.Unlock()
}