web/frpc: support more info (#3334)

test/e2e/pkg/port/port.go

@@ -10,8 +10,8 @@ import (
 )
 
 type Allocator struct {
-	reserved sets.Int
-	used     sets.Int
+	reserved sets.Set[int]
+	used     sets.Set[int]
 	mu       sync.Mutex
 }
 
@@ -20,8 +20,8 @@ type Allocator struct {
 // Reserved ports: 13, 17
 func NewAllocator(from int, to int, mod int, index int) *Allocator {
 	pa := &Allocator{
-		reserved: sets.NewInt(),
-		used:     sets.NewInt(),
+		reserved: sets.New[int](),
+		used:     sets.New[int](),
 	}
 
 	for i := from; i <= to; i++ {