Mark response parameters accessor const and JSON serializable

kthui · kthui · commit f23114704d0a · 2025-01-24T11:48:15.000-08:00
diff --git a/src/infer_response.cc b/src/infer_response.cc
@@ -60,8 +60,8 @@ InferResponse::OutputTensors()
   return output_tensors_;
 }
 
-std::string&
-InferResponse::Parameters()
+const std::string&
+InferResponse::Parameters() const
 {
   return parameters_;
 }
diff --git a/src/infer_response.h b/src/infer_response.h
@@ -76,7 +76,7 @@ class InferResponse {
       std::shared_ptr<PbError> error = nullptr, std::string parameters = "",
       const bool is_last_response = true, void* id = nullptr);
   std::vector<std::shared_ptr<PbTensor>>& OutputTensors();
-  std::string& Parameters();
+  const std::string& Parameters() const;  // JSON serializable unless empty
   void SaveToSharedMemory(
       std::unique_ptr<SharedMemoryManager>& shm_pool, bool copy_gpu = true);
   static std::unique_ptr<InferResponse> LoadFromSharedMemory(

Original file line number	Diff line number	Diff line change
`@@ -60,8 +60,8 @@ InferResponse::OutputTensors()`
`60`	`60`	`return output_tensors_;`
`61`	`61`	`}`
`62`	`62`
`63`		`-std::string&`
`64`		`-InferResponse::Parameters()`
	`63`	`+const std::string&`
	`64`	`+InferResponse::Parameters() const`
`65`	`65`	`{`
`66`	`66`	`return parameters_;`
`67`	`67`	`}`