/** Message related functions * * @file * @author Steffen Vogel * @copyright 2014-2020, Institute for Automation of Complex Power Systems, EONERC * @license GNU General Public License (version 3) * * VILLASnode * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . *********************************************************************************/ #pragma once #include /* Forward declarations. */ struct sample; struct msg; struct io; enum villas_binary_flags { VILLAS_BINARY_WEB = (1 << 16) /**< Use webmsg format (everying little endian) */ }; /** Copy / read struct msg's from buffer \p buf to / fram samples \p smps. */ int villas_binary_sprint(struct io *io, char *buf, size_t len, size_t *wbytes, struct sample *smps[], unsigned cnt); /** Read struct sample's from buffer \p buf into samples \p smps. */ int villas_binary_sscan(struct io *io, const char *buf, size_t len, size_t *rbytes, struct sample *smps[], unsigned cnt);