上传时输出对象的路径

cache/tango_cache_client_in.h

@@ -98,6 +98,7 @@ struct tango_cache_ctx
 	struct future* future;
 	char error[CURL_ERROR_SIZE];	
 	char object_key[256];
+	char hostaddr[24];
 
 	enum CACHE_REQUEST_METHOD method;
 	enum CACHE_ERR_CODE error_code;