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https://git.rwth-aachen.de/acs/public/villas/node/
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54 lines
No EOL
1.2 KiB
C
54 lines
No EOL
1.2 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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*********************************************************************************/
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#include <endian.h>
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#include "webmsg.h"
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#include "msg_format.h"
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void webmsg_ntoh(struct webmsg *m)
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{
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msg_hdr_ntoh(m);
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for (int i = 0; i < m->length; i++)
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m->data[i].i = ntohl(m->data[i].i);
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}
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void msg_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 = htonl(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 = htonle32(m->sequence);
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m->ts.sec = htonle32(m->ts.sec);
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m->ts.nsec = htonle32(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 = le16tohs(m->length);
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m->sequence = le32tohl(m->sequence);
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m->ts.sec = le32tohl(m->ts.sec);
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m->ts.nsec = le32tohl(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) || (m->rsvd2 != 0))
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return -3;
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else
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return 0;
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} |