Add http/block outbound & Improve route

option/types.go

@@ -0,0 +1,90 @@
+package option
+
+import (
+	"net/netip"
+	"strings"
+
+	"github.com/goccy/go-json"
+	C "github.com/sagernet/sing-box/constant"
+	E "github.com/sagernet/sing/common/exceptions"
+)
+
+type ListenAddress netip.Addr
+
+func (a ListenAddress) MarshalJSON() ([]byte, error) {
+	addr := netip.Addr(a)
+	if !addr.IsValid() {
+		return json.Marshal("")
+	}
+	return json.Marshal(addr.String())
+}
+
+func (a *ListenAddress) UnmarshalJSON(content []byte) error {
+	var value string
+	err := json.Unmarshal(content, &value)
+	if err != nil {
+		return err
+	}
+	addr, err := netip.ParseAddr(value)
+	if err != nil {
+		return err
+	}
+	*a = ListenAddress(addr)
+	return nil
+}
+
+type NetworkList string
+
+func (v *NetworkList) UnmarshalJSON(content []byte) error {
+	var networkList []string
+	err := json.Unmarshal(content, &networkList)
+	if err != nil {
+		var networkItem string
+		err = json.Unmarshal(content, &networkItem)
+		if err != nil {
+			return err
+		}
+		networkList = []string{networkItem}
+	}
+	for _, networkName := range networkList {
+		switch networkName {
+		case C.NetworkTCP, C.NetworkUDP:
+			break
+		default:
+			return E.New("unknown network: " + networkName)
+		}
+	}
+	*v = NetworkList(strings.Join(networkList, "\n"))
+	return nil
+}
+
+func (v NetworkList) Build() []string {
+	if v == "" {
+		return []string{C.NetworkTCP, C.NetworkUDP}
+	}
+	return strings.Split(string(v), "\n")
+}
+
+type Listable[T comparable] []T
+
+func (l Listable[T]) MarshalJSON() ([]byte, error) {
+	arrayList := []T(l)
+	if len(arrayList) == 1 {
+		return json.Marshal(arrayList[0])
+	}
+	return json.Marshal(arrayList)
+}
+
+func (l *Listable[T]) UnmarshalJSON(content []byte) error {
+	err := json.Unmarshal(content, (*[]T)(l))
+	if err == nil {
+		return nil
+	}
+	var singleItem T
+	err = json.Unmarshal(content, &singleItem)
+	if err != nil {
+		return err
+	}
+	*l = []T{singleItem}
+	return nil
+}