server: implement messages and gRPC support for creating messages

server/grpc/server.go

@@ -0,0 +1,25 @@
+package grpc
+
+import (
+	"log/slog"
+	"net"
+
+	pb "git.dubyatp.xyz/dubyatp/scannerbot/server/proto"
+	"google.golang.org/grpc"
+)
+
+func Start() {
+	lis, err := net.Listen("tcp", ":3001")
+	if err != nil {
+		slog.Error("grpc: failed to listen", "error", err)
+		return
+	}
+
+	s := grpc.NewServer()
+	pb.RegisterMessageServiceServer(s, &MessageServer{})
+
+	slog.Info("Starting the gRPC server...", "addr", lis.Addr())
+	if err := s.Serve(lis); err != nil {
+		slog.Error("grpc: server failed", "error", err)
+	}
+}