tests/fs/common/fstest_lfs.c

   1 /*      $NetBSD: fstest_lfs.c,v 1.5 2015/08/30 18:27:26 dholland Exp $  */
   2
   3 /*-
   4  * Copyright (c) 2010 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Nicolas Joly.
   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  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <sys/mount.h>
  33 #include <sys/stat.h>
  34
  35 #include <atf-c.h>
  36 #include <pthread.h>
  37 #include <semaphore.h>
  38 #include <stdio.h>
  39 #include <stdlib.h>
  40 #include <string.h>
  41 #include <unistd.h>
  42
  43 #include <ufs/ufs/ufsmount.h>
  44
  45 #include <rump/rump.h>
  46 #include <rump/rump_syscalls.h>
  47
  48 #include "h_fsmacros.h"
  49 #include "mount_lfs.h"
  50
  51 struct lfstestargs {
  52         struct ufs_args ta_uargs;
  53         pthread_t ta_cleanerthread;
  54         sem_t ta_cleanerloop;
  55         char ta_devpath[MAXPATHLEN];
  56         char ta_imgpath[MAXPATHLEN];
  57         char ta_mntpath[MAXPATHLEN];
  58         char ta_hostpath[MAXPATHLEN];
  59 };
  60
  61 int
  62 lfs_fstest_newfs(const atf_tc_t *tc, void **buf, const char *image, off_t size,
  63         void *fspriv)
  64 {
  65         char cmd[1024];
  66         int res;
  67         static unsigned int num = 0;
  68         struct lfstestargs *args;
  69
  70         size /= 512;
  71         snprintf(cmd, 1024, "newfs_lfs -D -F -s %"PRId64" ./%s >/dev/null",
  72             size, image);
  73         res = system(cmd);
  74         if (res != 0)
  75                 return res;
  76
  77         res = rump_init();
  78         if (res != 0)
  79                 return res;
  80
  81         args = calloc(1, sizeof(*args));
  82         if (args == NULL)
  83                 return -1;
  84
  85         strcpy(args->ta_hostpath, image);
  86         snprintf(args->ta_devpath, MAXPATHLEN, "/dev/device%d.lfs", num);
  87         snprintf(args->ta_imgpath, MAXPATHLEN, "%s", image);
  88         args->ta_uargs.fspec = args->ta_devpath;
  89         sem_init(&args->ta_cleanerloop, 0, 0);
  90
  91         res = rump_pub_etfs_register(args->ta_devpath, image, RUMP_ETFS_BLK);
  92         if (res != 0) {
  93                 free(args);
  94                 return res;
  95         }
  96
  97         *buf = args;
  98         num++;
  99
 100         return 0;
 101 }
 102
 103 int
 104 lfs_fstest_delfs(const atf_tc_t *tc, void *buf)
 105 {
 106         int res;
 107         struct lfstestargs *args = buf;
 108
 109         res = rump_pub_etfs_remove(args->ta_devpath);
 110         if (res != 0)
 111                 return res;
 112
 113         res = unlink(args->ta_imgpath);
 114         if (res != 0)
 115                 return res;
 116
 117         pthread_join(args->ta_cleanerthread, NULL);
 118         free(args);
 119
 120         return 0;
 121 }
 122
 123 static void *
 124 cleaner(void *arg)
 125 {
 126         char thepath[MAXPATHLEN];
 127         struct lfstestargs *args = arg;
 128         const char *the_argv[7];
 129         char buf[64];
 130
 131         /* this inspired by the cleaner code.  fixme */
 132         sprintf(thepath, "/dev/r%s", args->ta_devpath+5);
 133         rump_pub_etfs_register(thepath, args->ta_hostpath, RUMP_ETFS_CHR);
 134         sprintf(buf, "%p", &args->ta_cleanerloop);
 135
 136         the_argv[0] = "megamaid";
 137         the_argv[1] = "-D"; /* don't fork() & detach */
 138         the_argv[2] = "-S";
 139         the_argv[3] = buf;
 140         the_argv[4] = args->ta_mntpath;
 141         the_argv[5] = NULL;
 142
 143         /* xxxatf */
 144         optind = 1;
 145         opterr = 1;
 146
 147         lfs_cleaner_main(5, __UNCONST(the_argv));
 148
 149         return NULL;
 150 }
 151
 152 int
 153 lfs_fstest_mount(const atf_tc_t *tc, void *buf, const char *path, int flags)
 154 {
 155         struct lfstestargs *args = buf;
 156         int res;
 157
 158         res = rump_sys_mkdir(path, 0777);
 159         if (res == -1)
 160                 return res;
 161
 162         res = rump_sys_mount(MOUNT_LFS, path, flags, &args->ta_uargs,
 163             sizeof(args->ta_uargs));
 164         if (res == -1)
 165                 return res;
 166
 167         strcpy(args->ta_mntpath, path);
 168         res = pthread_create(&args->ta_cleanerthread, NULL, cleaner, args);
 169         if (res)
 170                 return res;
 171
 172         /* wait for cleaner to initialize */
 173         sem_wait(&args->ta_cleanerloop);
 174
 175         return 0;
 176 }
 177
 178 int
 179 lfs_fstest_unmount(const atf_tc_t *tc, const char *path, int flags)
 180 {
 181         int res;
 182
 183         res = rump_sys_unmount(path, flags);
 184         if (res == -1) {
 185                 return res;
 186         }
 187
 188         res = rump_sys_rmdir(path);
 189         return res;
 190 }