feat: registry.

registry/consul/service.go

@@ -0,0 +1,27 @@
+package consul
+
+import (
+	"sync"
+	"sync/atomic"
+
+	"github.com/go-kratos/kratos/v2/registry"
+)
+
+type serviceSet struct {
+	serviceName string
+	watcher     map[*watcher]struct{}
+	services    *atomic.Value
+	lock        sync.RWMutex
+}
+
+func (s *serviceSet) broadcast(ss []*registry.ServiceInstance) {
+	s.services.Store(ss)
+	s.lock.RLock()
+	defer s.lock.RUnlock()
+	for k := range s.watcher {
+		select {
+		case k.event <- struct{}{}:
+		default:
+		}
+	}
+}