tools/regression/tmpfs/h_tools.c

   1 /*      $NetBSD: h_tools.c,v 1.8 2007/07/23 15:05:43 jmmv Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2005, 2006 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Julio M. Merino Vidal, developed as part of Google's Summer of Code
   9  * 2005 program.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  * 3. All advertising materials mentioning features or use of this software
  20  *    must display the following acknowledgement:
  21  *        This product includes software developed by the NetBSD
  22  *        Foundation, Inc. and its contributors.
  23  * 4. Neither the name of The NetBSD Foundation nor the names of its
  24  *    contributors may be used to endorse or promote products derived
  25  *    from this software without specific prior written permission.
  26  *
  27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  37  * POSSIBILITY OF SUCH DAMAGE.
  38  *
  39  * $FreeBSD$
  40  */
  41
  42 /*
  43  * Helper tools for several tests.  These are kept in a single file due
  44  * to the limitations of bsd.prog.mk to build a single program in a
  45  * given directory.
  46  */
  47
  48 #include <sys/param.h>
  49 #include <sys/types.h>
  50 #include <sys/event.h>
  51 #include <sys/mount.h>
  52 #include <sys/statvfs.h>
  53 #include <sys/socket.h>
  54 #include <sys/time.h>
  55 #include <sys/un.h>
  56
  57 #include <assert.h>
  58 #include <err.h>
  59 #include <errno.h>
  60 #include <fcntl.h>
  61 #include <stdio.h>
  62 #include <stdlib.h>
  63 #include <string.h>
  64 #include <unistd.h>
  65
  66 /* --------------------------------------------------------------------- */
  67
  68 static int getfh_main(int, char **);
  69 static int kqueue_main(int, char **);
  70 static int rename_main(int, char **);
  71 static int sockets_main(int, char **);
  72 static int statvfs_main(int, char **);
  73
  74 /* --------------------------------------------------------------------- */
  75
  76 int
  77 getfh_main(int argc, char **argv)
  78 {
  79         int error;
  80         fhandle_t fh;
  81
  82         if (argc < 2)
  83                 return EXIT_FAILURE;
  84
  85         error = getfh(argv[1], &fh);
  86         if (error == 0)
  87                 err(EXIT_FAILURE, "can not getfh");
  88
  89         error = write(STDOUT_FILENO, &fh, sizeof(fh));
  90         if (error == -1) {
  91                 perror("write");
  92                 return EXIT_FAILURE;
  93         }
  94
  95         return 0;
  96 }
  97
  98 /* --------------------------------------------------------------------- */
  99
 100 int
 101 kqueue_main(int argc, char **argv)
 102 {
 103         char *line;
 104         int i, kq;
 105         size_t len;
 106         struct kevent *changes, event;
 107
 108         if (argc < 2)
 109                 return EXIT_FAILURE;
 110
 111         argc--;
 112         argv++;
 113
 114         changes = malloc(sizeof(struct kevent) * (argc - 1));
 115         if (changes == NULL)
 116                 errx(EXIT_FAILURE, "not enough memory");
 117
 118         for (i = 0; i < argc; i++) {
 119                 int fd;
 120
 121                 fd = open(argv[i], O_RDONLY);
 122                 if (fd == -1)
 123                         err(EXIT_FAILURE, "cannot open %s", argv[i]);
 124
 125                 EV_SET(&changes[i], fd, EVFILT_VNODE,
 126                     EV_ADD | EV_ENABLE | EV_ONESHOT,
 127                     NOTE_ATTRIB | NOTE_DELETE | NOTE_EXTEND | NOTE_LINK |
 128                     NOTE_RENAME | NOTE_REVOKE | NOTE_WRITE,
 129                     0, 0);
 130         }
 131
 132         kq = kqueue();
 133         if (kq == -1)
 134                 err(EXIT_FAILURE, "kqueue");
 135
 136         while ((line = fgetln(stdin, &len)) != NULL) {
 137                 int ec, nev;
 138                 struct timespec to;
 139
 140                 to.tv_sec = 0;
 141                 to.tv_nsec = 100000;
 142
 143                 (void)kevent(kq, changes, argc, &event, 1, &to);
 144
 145                 assert(len > 0);
 146                 assert(line[len - 1] == '\n');
 147                 line[len - 1] = '\0';
 148                 ec = system(line);
 149                 if (ec != EXIT_SUCCESS)
 150                         errx(ec, "%s returned %d", line, ec);
 151
 152                 do {
 153                         nev = kevent(kq, changes, argc, &event, 1, &to);
 154                         if (nev == -1)
 155                                 err(EXIT_FAILURE, "kevent");
 156                         else if (nev > 0) {
 157                                 for (i = 0; i < argc; i++)
 158                                         if (event.ident == changes[i].ident)
 159                                                 break;
 160
 161                                 if (event.fflags & NOTE_ATTRIB)
 162                                         printf("%s - NOTE_ATTRIB\n", argv[i]);
 163                                 if (event.fflags & NOTE_DELETE)
 164                                         printf("%s - NOTE_DELETE\n", argv[i]);
 165                                 if (event.fflags & NOTE_EXTEND)
 166                                         printf("%s - NOTE_EXTEND\n", argv[i]);
 167                                 if (event.fflags & NOTE_LINK)
 168                                         printf("%s - NOTE_LINK\n", argv[i]);
 169                                 if (event.fflags & NOTE_RENAME)
 170                                         printf("%s - NOTE_RENAME\n", argv[i]);
 171                                 if (event.fflags & NOTE_REVOKE)
 172                                         printf("%s - NOTE_REVOKE\n", argv[i]);
 173                                 if (event.fflags & NOTE_WRITE)
 174                                         printf("%s - NOTE_WRITE\n", argv[i]);
 175                         }
 176                 } while (nev > 0);
 177         }
 178
 179         for (i = 0; i < argc; i++)
 180                 close(changes[i].ident);
 181         free(changes);
 182
 183         return EXIT_SUCCESS;
 184 }
 185
 186 /* --------------------------------------------------------------------- */
 187
 188 int
 189 rename_main(int argc, char **argv)
 190 {
 191
 192         if (argc < 3)
 193                 return EXIT_FAILURE;
 194
 195         if (rename(argv[1], argv[2]) == -1) {
 196                 perror("rename");
 197                 return EXIT_FAILURE;
 198         }
 199
 200         return EXIT_SUCCESS;
 201 }
 202
 203 /* --------------------------------------------------------------------- */
 204
 205 int
 206 sockets_main(int argc, char **argv)
 207 {
 208         int error, fd;
 209         struct sockaddr_un addr;
 210
 211         if (argc < 2)
 212                 return EXIT_FAILURE;
 213
 214         fd = socket(PF_LOCAL, SOCK_STREAM, 0);
 215         if (fd == -1) {
 216                 perror("socket");
 217                 return EXIT_FAILURE;
 218         }
 219
 220         (void)strlcpy(addr.sun_path, argv[1], sizeof(addr.sun_path));
 221         addr.sun_family = PF_UNIX;
 222
 223         error = bind(fd, (struct sockaddr *)&addr, sizeof(addr));
 224         if (error == -1) {
 225                 perror("connect");
 226                 return EXIT_FAILURE;
 227         }
 228
 229         close(fd);
 230
 231         return EXIT_SUCCESS;
 232 }
 233
 234 /* --------------------------------------------------------------------- */
 235
 236 int
 237 statvfs_main(int argc, char **argv)
 238 {
 239         int error;
 240         struct statfs buf;
 241
 242         if (argc < 2)
 243                 return EXIT_FAILURE;
 244
 245         memset(&buf, 0, sizeof(buf));
 246         buf.f_version = STATFS_VERSION;
 247         error = statfs(argv[1], &buf);
 248         if (error != 0) {
 249                 perror("statvfs");
 250                 return EXIT_FAILURE;
 251         }
 252
 253         (void)printf("f_bsize=%llu\n", buf.f_bsize);
 254         (void)printf("f_blocks=%llu\n", buf.f_blocks);
 255         (void)printf("f_bfree=%llu\n", buf.f_bfree);
 256         (void)printf("f_files=%llu\n", buf.f_files);
 257
 258         return EXIT_SUCCESS;
 259 }
 260
 261 /* --------------------------------------------------------------------- */
 262
 263 int
 264 main(int argc, char **argv)
 265 {
 266         int error;
 267
 268         if (argc < 2)
 269                 return EXIT_FAILURE;
 270
 271         argc -= 1;
 272         argv += 1;
 273
 274         if (strcmp(argv[0], "getfh") == 0)
 275                 error = getfh_main(argc, argv);
 276         else if (strcmp(argv[0], "kqueue") == 0)
 277                 error = kqueue_main(argc, argv);
 278         else if (strcmp(argv[0], "rename") == 0)
 279                 error = rename_main(argc, argv);
 280         else if (strcmp(argv[0], "sockets") == 0)
 281                 error = sockets_main(argc, argv);
 282         else if (strcmp(argv[0], "statvfs") == 0)
 283                 error = statvfs_main(argc, argv);
 284         else
 285                 error = EXIT_FAILURE;
 286
 287         return error;
 288 }