-int before_data_request(void *hook_data, void *call_data);
-int after_data_request(void *hook_data, void *call_data);
+int before_chunk(void *hook_data, void *call_data);
+int after_chunk(void *hook_data, void *call_data);
+int before_request(void *hook_data, void *call_data);
+int after_request(void *hook_data, void *call_data);
+