83 lines
3.0 KiB
C
Executable File
83 lines
3.0 KiB
C
Executable File
/*
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* log2long.c - convert compact CAN frame representation into user readable
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*
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* Copyright (c) 2002-2007 Volkswagen Group Electronic Research
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of Volkswagen nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* Alternatively, provided that this notice is retained in full, this
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* software may be distributed under the terms of the GNU General
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* Public License ("GPL") version 2, in which case the provisions of the
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* GPL apply INSTEAD OF those given above.
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*
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* The provided data structures and external interfaces from this code
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* are not restricted to be used by modules with a GPL compatible license.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* Send feedback to <linux-can@vger.kernel.org>
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*
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*/
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#include <stdio.h>
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#include <net/if.h>
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#include <linux/can.h>
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#include "lib.h"
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#define COMMENTSZ 200
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#define BUFSZ (sizeof("(1345212884.318850)") + IFNAMSIZ + 4 + CL_CFSZ + COMMENTSZ) /* for one line in the logfile */
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int main(int argc, char **argv)
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{
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char buf[BUFSZ], timestamp[BUFSZ], device[BUFSZ], ascframe[BUFSZ];
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struct canfd_frame cf;
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int mtu, maxdlen;
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while (fgets(buf, BUFSZ-1, stdin)) {
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if (sscanf(buf, "%s %s %s", timestamp, device, ascframe) != 3)
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return 1;
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mtu = parse_canframe(ascframe, &cf);
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if (mtu == CAN_MTU)
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maxdlen = CAN_MAX_DLEN;
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else if (mtu == CANFD_MTU)
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maxdlen = CANFD_MAX_DLEN;
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else {
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fprintf(stderr, "read: incomplete CAN frame\n");
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return 1;
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}
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sprint_long_canframe(ascframe, &cf,
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(CANLIB_VIEW_INDENT_SFF | CANLIB_VIEW_ASCII),
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maxdlen); /* with ASCII output */
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printf("%s %s %s\n", timestamp, device, ascframe);
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}
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return 0;
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}
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