feat grpc: log grpc response/request size

Log uncompressed grpc requests and responses size on both client and server sides.
commit_hash:37ea52724c71131972e257b20a22aab6007251d8

Author: ivan-skryabin

grpc/src/ugrpc/client/middlewares/log/middleware.cpp

@@ -84,6 +84,7 @@ void Middleware::PostRecvMessage(MiddlewareCallContext& context, const google::p
     logging::LogExtra extra{
         {ugrpc::impl::kTypeTag, "response"},
         {ugrpc::impl::kBodyTag, GetMessageForLogging(message, settings_)},
+        {ugrpc::impl::kMessageMarshalledLenTag, message.ByteSizeLong()},
     };
     if (context.IsServerStreaming()) {
         logger.Log(settings_.msg_log_level, "gRPC response stream message", std::move(extra));

grpc/src/ugrpc/server/middlewares/log/middleware.cpp

@@ -96,6 +96,7 @@ void Middleware::PreSendMessage(MiddlewareCallContext& context, google::protobuf
         {ugrpc::impl::kTypeTag, "response"},
         {"grpc_code", "OK"},  // TODO: revert
         {ugrpc::impl::kBodyTag, GetMessageForLogging(response, settings_)},
+        {ugrpc::impl::kMessageMarshalledLenTag, response.ByteSizeLong()},
     };
     if (context.IsServerStreaming()) {
         logger.Log(settings_.msg_log_level, "gRPC response stream message", std::move(extra));