mirror of
https://git.rwth-aachen.de/acs/public/villas/node/
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70 lines
No EOL
1.8 KiB
C
70 lines
No EOL
1.8 KiB
C
/** Websocket message related functions.
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*
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* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
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* @copyright 2017, Institute for Automation of Complex Power Systems, EONERC
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* @license GNU General Public License (version 3)
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*
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* VILLASnode
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************************/
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#include <endian.h>
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#include "webmsg.h"
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#include "webmsg_format.h"
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void webmsg_ntoh(struct webmsg *m)
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{
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webmsg_hdr_ntoh(m);
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for (int i = 0; i < m->length; i++)
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m->data[i].i = le32toh(m->data[i].i);
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}
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void webmsg_hton(struct webmsg *m)
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{
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for (int i = 0; i < m->length; i++)
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m->data[i].i = htole32(m->data[i].i);
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webmsg_hdr_hton(m);
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}
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void webmsg_hdr_hton(struct webmsg *m)
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{
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m->length = htole16(m->length);
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m->sequence = htole32(m->sequence);
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m->ts.sec = htole32(m->ts.sec);
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m->ts.nsec = htole32(m->ts.nsec);
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}
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void webmsg_hdr_ntoh(struct webmsg *m)
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{
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m->length = le16toh(m->length);
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m->sequence = le32toh(m->sequence);
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m->ts.sec = le32toh(m->ts.sec);
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m->ts.nsec = le32toh(m->ts.nsec);
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}
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int webmsg_verify(struct webmsg *m)
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{
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if (m->version != WEBMSG_VERSION)
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return -1;
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else if (m->type != WEBMSG_TYPE_DATA)
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return -2;
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else if (m->rsvd1 != 0)
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return -3;
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else
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return 0;
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} |