feat: add go tcp gateway runtime

go/vehicle-gateway/internal/eventbus/log_sink.go

@@ -0,0 +1,33 @@
+package eventbus
+
+import (
+	"context"
+	"log/slog"
+
+	"lingniu-vehicle-ingest/go/vehicle-gateway/internal/envelope"
+)
+
+type LogSink struct {
+	logger *slog.Logger
+}
+
+func NewLogSink(logger *slog.Logger) *LogSink {
+	if logger == nil {
+		logger = slog.Default()
+	}
+	return &LogSink{logger: logger}
+}
+
+func (s *LogSink) PublishRaw(_ context.Context, env envelope.FrameEnvelope) error {
+	s.logger.Info("raw envelope", "protocol", env.Protocol, "event_id", env.StableEventID(), "vehicle_key", env.VehicleKey(), "message_id", env.MessageID, "status", env.ParseStatus)
+	return nil
+}
+
+func (s *LogSink) PublishUnified(_ context.Context, env envelope.FrameEnvelope) error {
+	s.logger.Info("unified envelope", "protocol", env.Protocol, "event_id", env.StableEventID(), "vehicle_key", env.VehicleKey(), "message_id", env.MessageID)
+	return nil
+}
+
+func (s *LogSink) Close() error {
+	return nil
+}