102 lines
3.4 KiB
C
102 lines
3.4 KiB
C
/* $NetBSD: ckckp.c,v 1.3 2006/04/27 22:37:54 perseant Exp $ */
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/*-
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* Copyright (c) 2006 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Konrad E. Schroder <perseant@hhhh.org>.
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <err.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/param.h>
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#include <sys/mount.h>
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#include <ufs/ufs/dinode.h>
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#include <ufs/lfs/lfs.h>
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int main(int argc, char **argv)
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{
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int fd, e, sno;
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char cmd[BUFSIZ], s[BUFSIZ];
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FILE *pp;
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if (argc < 5)
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errx(1, "usage: %s <fs-root> <raw-dev> <save-filename> "
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"<work-filename>\n", argv[0]);
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fd = open(argv[1], 0, 0);
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if (fd < 0)
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err(1, argv[1]);
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fcntl(fd, LFCNWRAPGO, NULL);
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sleep(5);
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/* Loop forever calling LFCNWRAP{STOP,GO} */
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sno = 0;
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while(1) {
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printf("Waiting until fs wraps\n");
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fcntl(fd, LFCNWRAPSTOP, NULL);
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/*
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* When the fcntl exits, the wrap is about to occur (but
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* is waiting for the signal to go). Call our mass-check
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* script, and if all is well, continue. The output
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* of the script should end with a line that begins with a
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* numeric code: zero for okay, nonzero for a failure.
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*/
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printf("Verifying all checkpoints from s/n %d\n", sno);
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sprintf(cmd, "./check-all %s %s %s %d", argv[2], argv[3],
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argv[4], sno);
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pp = popen(cmd, "r");
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s[0] = '\0';
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while(fgets(s, BUFSIZ, pp) != NULL)
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printf(" %s", s);
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if (s[0] == '\0') {
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printf("No checkpoints found or script exited\n");
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return 0;
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}
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sscanf(s, "%d %d", &e, &sno);
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if (e) {
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return 0;
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}
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pclose(pp);
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++sno;
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printf("Waiting until fs continues\n");
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fcntl(fd, LFCNWRAPGO, NULL);
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}
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return 0;
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}
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