c61656a43f
Define `Message` interface of the generic protobuf message. In the initial implementation, the message should be convertible to and from related gRPC message. Implement encoding functions over the `Message` that can: * unmarshal the `Message` via related gRPC message; * decode the `Message` from JSON format via related gRPC message; * encode the `Message` to JSON. Implement nested `test` package for testing the implementation. Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
48 lines
1.2 KiB
Go
48 lines
1.2 KiB
Go
package message
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import (
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"github.com/nspcc-dev/neofs-api-go/rpc/grpc"
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"google.golang.org/protobuf/encoding/protojson"
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"google.golang.org/protobuf/proto"
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)
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// GRPCConvertedMessage is an interface
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// of the gRPC message that is used
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// for Message encoding/decoding.
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type GRPCConvertedMessage interface {
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grpc.Message
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proto.Message
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}
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// Unmarshal decodes m from its Protobuf binary representation
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// via related gRPC message.
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//
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// gm should be tof the same type as the m.ToGRPCMessage() return.
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func Unmarshal(m Message, data []byte, gm GRPCConvertedMessage) error {
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if err := proto.Unmarshal(data, gm); err != nil {
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return err
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}
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return m.FromGRPCMessage(gm)
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}
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// MarshalJSON encodes m to Protobuf JSON representation.
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func MarshalJSON(m Message) ([]byte, error) {
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return protojson.MarshalOptions{
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EmitUnpopulated: true,
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}.Marshal(
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m.ToGRPCMessage().(proto.Message),
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)
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}
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// UnmarshalJSON decodes m from its Protobuf JSON representation
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// via related gRPC message.
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//
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// gm should be tof the same type as the m.ToGRPCMessage() return.
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func UnmarshalJSON(m Message, data []byte, gm GRPCConvertedMessage) error {
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if err := protojson.Unmarshal(data, gm); err != nil {
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return err
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}
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return m.FromGRPCMessage(gm)
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}
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