reworked hub

hub/init.go

@@ -0,0 +1,30 @@
+package hub
+
+import (
+	"context"
+	"errors"
+	"sync"
+)
+
+var (
+	Registry *registry
+	Hub      *hub
+
+	ErrTimeout                = errors.New("timeout")
+	ErrClosed                 = errors.New("channel was closed")
+	ErrCannotCreateConnection = errors.New("cannot create connection")
+
+	initOnce sync.Once
+)
+
+func Init(ctx context.Context) {
+	initOnce.Do(func() {
+		Registry = &registry{
+			conns: map[string]*ctxChannel{},
+			ctx:   ctx,
+		}
+		Hub = &hub{
+			subs: map[string]*connectionHub{},
+		}
+	})
+}