63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
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/**
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* @file transport.h
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* @brief Defines an abstract transport layer.
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* @note Copyright (C) 2011 Richard Cochran <richardcochran@gmail.com>
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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 2 of the License, or
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* (at your option) 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef HAVE_TRANSPORT_H
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#define HAVE_TRANSPORT_H
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#include <time.h>
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#include "fd.h"
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enum transport_type {
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TRANS_UDP_IPV4,
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TRANS_UDP_IPV6,
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TRANS_IEEE_802_3,
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TRANS_DEVICENET,
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TRANS_CONTROLNET,
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TRANS_PROFINET,
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};
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enum timestamp_type {
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TS_SOFTWARE,
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TS_HARDWARE,
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TS_LEGACY_HW,
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};
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struct hw_timestamp {
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enum timestamp_type type;
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struct timespec ts;
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};
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struct transport {
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int (*close)(struct fdarray *fda);
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int (*open)(char *name, struct fdarray *fda, enum timestamp_type tt);
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int (*recv)(int fd, void *buf, int buflen, struct hw_timestamp *hwts);
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int (*send)(struct fdarray *fda, int event,
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void *buf, int buflen, struct hw_timestamp *hwts);
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};
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/**
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* Obtain a pointer to the specified transport.
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* @param type Which transport to obtain.
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* @return Pointer to a static global.
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*/
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struct transport *transport_find(enum transport_type type);
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#endif
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