1 /* $NetBSD: ckckp.c,v 1.5 2006/07/21 00:29:23 perseant Exp $ */ 2 3 /*- 4 * Copyright (c) 2006 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Konrad E. Schroder <perseant@hhhh.org>. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <err.h> 40 #include <fcntl.h> 41 #include <stdio.h> 42 #include <stdlib.h> 43 #include <sys/param.h> 44 #include <sys/mount.h> 45 #include <ufs/ufs/dinode.h> 46 #include <ufs/lfs/lfs.h> 47 48 int main(int argc, char **argv) 49 { 50 int fd, e, sno; 51 char cmd[BUFSIZ], s[BUFSIZ]; 52 FILE *pp; 53 int dowait = 1; 54 55 if (argc < 5) 56 errx(1, "usage: %s <fs-root> <raw-dev> <save-filename> " 57 "<work-filename>\n", argv[0]); 58 59 fd = open(argv[1], 0, 0); 60 if (fd < 0) 61 err(1, argv[1]); 62 63 /* Give the writer a head start */ 64 sleep(5); 65 66 /* Loop forever calling LFCNWRAP{STOP,GO} */ 67 sno = 0; 68 while(1) { 69 printf("Waiting until fs wraps\n"); 70 fcntl(fd, LFCNWRAPSTOP, &dowait); 71 72 /* 73 * When the fcntl exits, the wrap is about to occur (but 74 * is waiting for the signal to go). Call our mass-check 75 * script, and if all is well, continue. The output 76 * of the script should end with a line that begins with a 77 * numeric code: zero for okay, nonzero for a failure. 78 */ 79 printf("Verifying all checkpoints from s/n %d\n", sno); 80 sprintf(cmd, "./check-all %s %s %s %d", argv[2], argv[3], 81 argv[4], sno); 82 pp = popen(cmd, "r"); 83 s[0] = '\0'; 84 while(fgets(s, BUFSIZ, pp) != NULL) 85 printf(" %s", s); 86 if (s[0] == '\0') { 87 printf("No checkpoints found or script exited\n"); 88 return 0; 89 } 90 sscanf(s, "%d %d", &e, &sno); 91 if (e) { 92 printf("Script exited with error code %d\n", e); 93 return 1; 94 } 95 pclose(pp); 96 97 ++sno; 98 printf("Waiting until fs continues\n"); 99 fcntl(fd, LFCNWRAPGO, &dowait); 100 } 101 102 return 0; 103 } 104