1 files changed, 16 insertions, 7 deletions
diff --git a/include/grpcpp/impl/codegen/rpc_service_method.h b/include/grpcpp/impl/codegen/rpc_service_method.h
index 5cf88e216f..44da2bd768 100644
--- a/include/grpcpp/impl/codegen/rpc_service_method.h
+++ b/include/grpcpp/impl/codegen/rpc_service_method.h
@@ -40,17 +40,26 @@ class MethodHandler {
  public:
   virtual ~MethodHandler() {}
   struct HandlerParameter {
-    HandlerParameter(Call* c, ServerContext* context, grpc_byte_buffer* req)
-        : call(c), server_context(context) {
-      request.set_buffer(req);
-    }
-    ~HandlerParameter() { request.Release(); }
+    HandlerParameter(Call* c, ServerContext* context, void* req,
+                     Status req_status)
+        : call(c), server_context(context), request(req), status(req_status) {}
+    ~HandlerParameter() {}
     Call* call;
     ServerContext* server_context;
-    // Handler required to destroy these contents
-    ByteBuffer request;
+    void* request;
+    Status status;
   };
   virtual void RunHandler(const HandlerParameter& param) = 0;
+
+  /* Returns a pointer to the deserialized request. \a status reflects the
+     result of deserialization. This pointer and the status should be filled in
+     a HandlerParameter and passed to RunHandler. It is illegal to access the
+     pointer after calling RunHandler. Ownership of the deserialized request is
+     retained by the handler. Returns nullptr if deserialization failed. */
+  virtual void* Deserialize(grpc_byte_buffer* req, Status* status) {
+    GPR_CODEGEN_ASSERT(req == nullptr);
+    return nullptr;
+  }
 };
 
 /// Server side rpc method class