contrib/netbsd-tests/fs/ffs/h_ffs_server.c

   1 /*      $NetBSD: h_ffs_server.c,v 1.2 2012/08/24 20:25:50 jmmv Exp $    */
   2
   3 /*
   4  * rump server for advanced quota tests
   5  */
   6
   7 #include "../common/h_fsmacros.h"
   8
   9 #include <err.h>
  10 #include <semaphore.h>
  11 #include <sys/types.h>
  12 #include <sys/mount.h>
  13
  14 #include <stdlib.h>
  15 #include <unistd.h>
  16
  17 #include <ufs/ufs/ufsmount.h>
  18
  19 #include <rump/rump.h>
  20 #include <rump/rump_syscalls.h>
  21
  22 int background = 0;
  23
  24 static void
  25 usage(void)
  26 {
  27         fprintf(stderr, "usage: %s [-b] [-l] diskimage bindurl\n",
  28             getprogname());
  29         exit(1);
  30 }
  31
  32 static void
  33 die(const char *reason, int error)
  34 {
  35
  36         warnx("%s: %s", reason, strerror(error));
  37         if (background)
  38                 rump_daemonize_done(error);
  39         exit(1);
  40 }
  41
  42 static sem_t sigsem;
  43 static void
  44 sigreboot(int sig)
  45 {
  46
  47         sem_post(&sigsem);
  48 }
  49
  50 int
  51 main(int argc, char **argv)
  52 {
  53         int error;
  54         struct ufs_args uargs;
  55         const char *filename;
  56         const char *serverurl;
  57         int log = 0;
  58         int ch;
  59
  60         while ((ch = getopt(argc, argv, "bl")) != -1) {
  61                 switch(ch) {
  62                 case 'b':
  63                         background = 1;
  64                         break;
  65                 case 'l':
  66                         log = 1;
  67                         break;
  68                 default:
  69                         usage();
  70                 }
  71         }
  72         argc -= optind;
  73         argv += optind;
  74
  75         if (argc != 2)
  76                 usage();
  77
  78         filename = argv[0];
  79         serverurl = argv[1];
  80
  81         if (background) {
  82                 error = rump_daemonize_begin();
  83                 if (error)
  84                         errx(1, "rump daemonize: %s", strerror(error));
  85         }
  86
  87         error = rump_init();
  88         if (error)
  89                 die("rump init failed", error);
  90
  91         if (rump_sys_mkdir(FSTEST_MNTNAME, 0777) == -1)
  92                 die("mount point create", errno);
  93         rump_pub_etfs_register("/diskdev", filename, RUMP_ETFS_BLK);
  94         uargs.fspec = __UNCONST("/diskdev");
  95         if (rump_sys_mount(MOUNT_FFS, FSTEST_MNTNAME, (log) ? MNT_LOG : 0,
  96             &uargs, sizeof(uargs)) == -1)
  97                 die("mount ffs", errno);
  98
  99         error = rump_init_server(serverurl);
 100         if (error)
 101                 die("rump server init failed", error);
 102         if (background)
 103                 rump_daemonize_done(RUMP_DAEMONIZE_SUCCESS);
 104
 105         sem_init(&sigsem, 0, 0);
 106         signal(SIGTERM, sigreboot);
 107         signal(SIGINT, sigreboot);
 108         sem_wait(&sigsem);
 109
 110         rump_sys_reboot(0, NULL);
 111         /*NOTREACHED*/
 112         return 0;
 113 }