Prepare v2ray client/server transport

option/v2ray_transport.go

@@ -0,0 +1,89 @@
+package option
+
+import (
+	"github.com/sagernet/sing-box/common/json"
+	C "github.com/sagernet/sing-box/constant"
+	E "github.com/sagernet/sing/common/exceptions"
+)
+
+type _V2RayInboundTransportOptions struct {
+	Type        string           `json:"type,omitempty"`
+	GRPCOptions V2RayGRPCOptions `json:"-"`
+}
+
+type V2RayInboundTransportOptions _V2RayOutboundTransportOptions
+
+func (o V2RayInboundTransportOptions) MarshalJSON() ([]byte, error) {
+	var v any
+	switch o.Type {
+	case "":
+		return nil, nil
+	case C.V2RayTransportTypeGRPC:
+		v = o.GRPCOptions
+	default:
+		return nil, E.New("unknown transport type: " + o.Type)
+	}
+	return MarshallObjects((_V2RayOutboundTransportOptions)(o), v)
+}
+
+func (o *V2RayInboundTransportOptions) UnmarshalJSON(bytes []byte) error {
+	err := json.Unmarshal(bytes, (*_V2RayOutboundTransportOptions)(o))
+	if err != nil {
+		return err
+	}
+	var v any
+	switch o.Type {
+	case C.V2RayTransportTypeGRPC:
+		v = &o.GRPCOptions
+	default:
+		return E.New("unknown transport type: " + o.Type)
+	}
+	err = UnmarshallExcluded(bytes, (*_V2RayOutboundTransportOptions)(o), v)
+	if err != nil {
+		return E.Cause(err, "vmess transport options")
+	}
+	return nil
+}
+
+type _V2RayOutboundTransportOptions struct {
+	Type        string           `json:"type,omitempty"`
+	GRPCOptions V2RayGRPCOptions `json:"-"`
+}
+
+type V2RayOutboundTransportOptions _V2RayOutboundTransportOptions
+
+func (o V2RayOutboundTransportOptions) MarshalJSON() ([]byte, error) {
+	var v any
+	switch o.Type {
+	case "":
+		return nil, nil
+	case C.V2RayTransportTypeGRPC:
+		v = o.GRPCOptions
+	default:
+		return nil, E.New("unknown transport type: " + o.Type)
+	}
+	return MarshallObjects((_V2RayOutboundTransportOptions)(o), v)
+}
+
+func (o *V2RayOutboundTransportOptions) UnmarshalJSON(bytes []byte) error {
+	err := json.Unmarshal(bytes, (*_V2RayOutboundTransportOptions)(o))
+	if err != nil {
+		return err
+	}
+	var v any
+	switch o.Type {
+	case C.V2RayTransportTypeGRPC:
+		v = &o.GRPCOptions
+	default:
+		return E.New("unknown transport type: " + o.Type)
+	}
+	err = UnmarshallExcluded(bytes, (*_V2RayOutboundTransportOptions)(o), v)
+	if err != nil {
+		return E.Cause(err, "vmess transport options")
+	}
+	return nil
+}
+
+type V2RayGRPCOptions struct {
+	ServiceName string `json:"service_name,omitempty"`
+}