mirror of https://github.com/v2fly/v2ray-core.git
48 lines
1.3 KiB
Go
48 lines
1.3 KiB
Go
package serial
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import (
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"errors"
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"google.golang.org/protobuf/proto"
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"google.golang.org/protobuf/reflect/protoreflect"
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"google.golang.org/protobuf/reflect/protoregistry"
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)
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// ToTypedMessage converts a proto Message into TypedMessage.
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func ToTypedMessage(message proto.Message) *TypedMessage {
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if message == nil {
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return nil
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}
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settings, _ := proto.Marshal(message)
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return &TypedMessage{
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Type: GetMessageType(message),
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Value: settings,
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}
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}
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// GetMessageType returns the name of this proto Message.
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func GetMessageType(message proto.Message) string {
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return string(message.ProtoReflect().Descriptor().FullName())
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}
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// GetInstance creates a new instance of the message with messageType.
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func GetInstance(messageType string) (interface{}, error) {
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mType, err := protoregistry.GlobalTypes.FindMessageByName(protoreflect.FullName(messageType))
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if err != nil {
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return nil, errors.New("Serial: Unknown type: " + messageType)
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}
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return mType.New().Interface(), nil
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}
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// GetInstance converts current TypedMessage into a proto Message.
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func (v *TypedMessage) GetInstance() (proto.Message, error) {
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instance, err := GetInstance(v.Type)
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if err != nil {
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return nil, err
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}
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protoMessage := instance.(proto.Message)
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if err := proto.Unmarshal(v.Value, protoMessage); err != nil {
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return nil, err
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}
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return protoMessage, nil
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}
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