void usage(char *progname, struct ltfs_fuse_data *priv)
{
int ret;
const char *default_driver = config_file_get_default_plugin("driver", priv->config);
const char *default_device = NULL;
if (! priv->advanced_help) {
if (! priv->tape_backend_name)
priv->tape_backend_name = default_driver;
ret = plugin_load(&priv->driver_plugin, "driver", priv->tape_backend_name, priv->config);
if (ret == 0)
default_device = ltfs_default_device_name(priv->driver_plugin.ops);
ltfsresult("14400I", progname); /* usage: %s mountpoint [options] */
fprintf(stderr, "\n");
ltfsresult("14401I"); /* LTFS options: */
if (default_device)
ltfsresult("14402I", default_device); /* -o devname=<dev> */
else
ltfsresult("14403I"); /* -o devname=<dev> */
ltfsresult("14404I", LTFS_DEFAULT_WORK_DIR); /* -o work_directory=<dir> */
ltfsresult("14405I"); /* -o trace */
ltfsresult("14425I"); /* -o eject */
#ifdef HP_mingw_BUILD
ltfsresult("14480I", LONG_MAX / 60); /* -o sync_type=type */
#else
ltfsresult("14427I", LONG_MAX / 60); /* -o sync_type=type */
#endif /* HP_mingw_BUILD */
ltfsresult("14443I"); /* -o force_mount_no_eod */
/*ltfsresult("14436I");*/ /* -o device_list */
ltfsresult("14437I"); /* -o rollback_mount */
ltfsresult("14448I"); /* -o release_device */
ltfsresult("14461I"); /* -o symlink_type=type */
ltfsresult("14406I"); /* -a */
ltfsresult("14407I"); /* -V, --version */
ltfsresult("14408I"); /* -h, --help */
fprintf(stderr, "\n");
ltfsresult("14409I"); /* FUSE options: */
ltfsresult("14410I"); /* -o umask=M */
ltfsresult("14411I"); /* -o uid=N */
ltfsresult("14412I"); /* -o gid=N */
fprintf(stderr, "\n");
fprintf(stderr, "\n");
if (ret == 0)
plugin_unload(&priv->driver_plugin);
} else {
fprintf(stderr, "\n");
single_drive_advanced_usage(default_driver, priv);
fprintf(stderr, "\n");
plugin_usage(progname, "driver", priv->config);
/* We will not be printing any messages related to 'kmi'. */
/*plugin_usage("kmi", priv->config);*/
}
}
void show_usage(char *appname, struct config_file *config, bool full)
{
struct libltfs_plugin backend;
const char *default_backend;
char *devname = NULL;
default_backend = config_file_get_default_plugin("driver", config);
if (default_backend && plugin_load(&backend, "driver", default_backend, config) == 0) {
devname = strdup(ltfs_default_device_name(backend.ops));
plugin_unload(&backend);
}
if (! devname)
devname = strdup("<devname>");
fprintf(stderr, "\n");
ltfsresult("15400I", appname); /* Usage: %s <options> */
fprintf(stderr, "\n");
ltfsresult("15401I"); /* Available options are: */
ltfsresult("15402I"); /* -d, --device=<name> */
ltfsresult("15420I"); /* -f, --force */
ltfsresult("15403I"); /* -s, --tape-serial=<id> */
ltfsresult("15404I"); /* -n, --volume-name */
ltfsresult("15405I"); /* -r, --rules=<rule[,rule]> */
ltfsresult("15406I"); /* --no-override */
ltfsresult("15418I"); /* -w, --wipe */
ltfsresult("15407I"); /* -q, --quiet */
ltfsresult("15408I"); /* -t, --trace */
ltfsresult("15422I"); /* --syslogtrace */
ltfsresult("15423I"); /* -V, --version */
ltfsresult("15409I"); /* -h, --help */
ltfsresult("15412I"); /* -p, --advanced-help */
ltfsresult("15496I"); /* -g, --interactive */
if (full) {
ltfsresult("15413I", LTFS_CONFIG_FILE); /* -i, --config=<file> */
ltfsresult("15414I", default_backend); /* -e, --backend */
/* We have disabled all messages related to the 'kmi' backend. */
/*ltfsresult("15421I", config_file_get_default_plugin("kmi", config));*/ /* --kmi-backend */
ltfsresult("15415I", LTFS_DEFAULT_BLOCKSIZE); /* -b, --blocksize */
ltfsresult("15416I"); /* -c, --no-compression */
ltfsresult("15419I"); /* -k, --keep-capacity */
ltfsresult("15417I"); /* -x, --fulltrace */
ltfsresult("15424I"); /* --long-wipe */
fprintf(stderr, "\n");
plugin_usage(appname, "driver", config);
/*plugin_usage("kmi", config);*/
}
fprintf(stderr, "\n");
ltfsresult("15410I"); /* Usage example: */
ltfsresult("15411I", appname, devname, "size=100K"); /* %s --device=%s --rules="%s" */
ltfsresult("15411I", appname, devname, "size=1M/name=*.jpg");
ltfsresult("15411I", appname, devname, "size=1M/name=*.jpg:*.png");
fprintf(stderr, "\n");
free(devname);
}
void show_usage(char *appname, struct config_file *config, bool full)
{
struct libltfs_plugin backend;
const char *default_backend;
char *devname = NULL;
default_backend = config_file_get_default_plugin("driver", config);
if (default_backend && plugin_load(&backend, "driver", default_backend, config) == 0) {
devname = strdup(ltfs_default_device_name(backend.ops));
plugin_unload(&backend);
}
if (! devname)
devname = strdup("<devname>");
ltfsresult("16400I", appname); /* Usage: %s [options] filesys */
fprintf(stderr, "\n");
ltfsresult("16401I"); /* filesys Device file for the tape drive */
fprintf(stderr, "\n");
ltfsresult("16402I"); /* Available options are: */
ltfsresult("16403I"); /* -g, --generation */
ltfsresult("16404I"); /* -r, --rollback */
ltfsresult("16405I"); /* -n, --no-rollback */
ltfsresult("16406I", LTFS_LOSTANDFOUND_DIR); /* -f, --full-recovery */
ltfsresult("16421I"); /* -z --deep-recovery */
ltfsresult("16407I"); /* -l, --list-rollback-points */
ltfsresult("16422I"); /* -m, --full-index-info */
ltfsresult("16420I"); /* -v, --traverse */
ltfsresult("16408I"); /* -j, --erase-history */
ltfsresult("16409I"); /* -k, --keep-history */
ltfsresult("16410I"); /* -q, --quiet */
ltfsresult("16411I"); /* -t, --trace */
ltfsresult("16425I"); /* --syslogtrace */
ltfsresult("16426I"); /* -V --version */
ltfsresult("16412I"); /* -h, --help */
ltfsresult("16413I"); /* -p, --advanced-help */
if (full) {
ltfsresult("16414I", LTFS_CONFIG_FILE); /* -i, --config=<file> */
ltfsresult("16415I"); /* -e, --backend=<name> */
/* We have disabled all messages related to 'kmi' */
/*ltfsresult("16423I");*/ /* --kmi-backend=<name> */
ltfsresult("16416I"); /* -x, --fulltrace */
ltfsresult("16424I"); /* --capture-index */
ltfsresult("16427I"); /* --salvage-rollback-points */
fprintf(stderr, "\n");
plugin_usage(appname, "driver", config);
/*plugin_usage("kmi", config);*/
}
fprintf(stderr, "\n");
ltfsresult("16432I"); /* Usage example: */
ltfsresult("16433I", appname, devname);
ltfsresult("16434I", appname, "--generation", "--rollback", devname);
ltfsresult("16434I", appname, "--deep-recovery", "--full-recovery", devname);
fprintf(stderr, "\n");
}
int
main (int argc, char *argv[])
{
int c;
int option_index;
int help = 0, version = 0;
tls_init ();
for (;;) {
c = getopt_long (argc, argv, short_options, long_options, &option_index);
if (c == -1)
break;
switch (c) {
case 0: /* options which are long only */
if (strcmp (long_options[option_index].name, "dump-config") == 0) {
dump_config ();
exit (EXIT_SUCCESS);
}
else if (strcmp (long_options[option_index].name, "run") == 0) {
run = optarg;
foreground = 1;
}
else {
fprintf (stderr, "%s: unknown long option: %s (%d)\n",
program_name, long_options[option_index].name, option_index);
exit (EXIT_FAILURE);
}
break;
case 'f':
foreground = 1;
break;
case 'g':
group = optarg;
break;
case 'i':
ipaddr = optarg;
break;
case 'n':
newstyle = 1;
break;
case 'o':
/* XXX When we add support for exportnames, we will need to
* ensure that the user does not use -o + --export.
*/
newstyle = 0;
break;
case 'P':
pidfile = nbdkit_absolute_path (optarg);
if (pidfile == NULL)
exit (EXIT_FAILURE);
break;
case 'p':
port = optarg;
break;
case 'r':
readonly = 1;
break;
case 's':
listen_stdin = 1;
break;
case 'U':
if (strcmp (optarg, "-") == 0)
unixsocket = make_random_fifo ();
else
unixsocket = nbdkit_absolute_path (optarg);
if (unixsocket == NULL)
exit (EXIT_FAILURE);
break;
case 'u':
user = optarg;
break;
case 'v':
verbose = 1;
break;
case 'V':
version = 1;
break;
case HELP_OPTION:
help = 1;
break;
default:
usage ();
exit (EXIT_FAILURE);
}
}
/* No extra parameters. */
if (optind >= argc) {
if (help) {
usage ();
exit (EXIT_SUCCESS);
}
if (version) {
display_version ();
exit (EXIT_SUCCESS);
}
/* Otherwise this is an error. */
fprintf (stderr,
"%s: no plugins given on the command line.\nRead nbdkit(1) for documentation.\n",
program_name);
exit (EXIT_FAILURE);
}
/* Remaining command line arguments define the plugins and plugin
* configuration. If --help or --version was specified, we still
* partially parse these in order that we can display the per-plugin
* help/version information. In future (when the new protocol and
* export names are permitted) we will allow multiple plugins to be
* given, but at the moment only one plugin is allowed.
*/
while (optind < argc) {
const char *filename = argv[optind];
char *p;
open_plugin_so (filename);
/* Find key=value configuration parameters for this plugin. */
++optind;
while (optind < argc && (p = strchr (argv[optind], '=')) != NULL) {
if (help || version)
continue;
*p = '\0';
plugin_config (argv[optind], p+1);
++optind;
}
if (help) {
usage ();
printf ("\n%s:\n\n", filename);
plugin_usage ();
exit (EXIT_SUCCESS);
}
if (version) {
display_version ();
plugin_version ();
exit (EXIT_SUCCESS);
}
plugin_config_complete ();
/* If we supported export names, then we'd continue in the loop
* here, but at the moment only one plugin may be used per server
* so exit if there are any more.
*/
++optind;
if (optind < argc) {
fprintf (stderr, "%s: this server only supports a single plugin\n",
program_name);
exit (EXIT_FAILURE);
}
}
start_serving ();
plugin_cleanup ();
free (unixsocket);
free (pidfile);
if (random_fifo) {
unlink (random_fifo);
free (random_fifo);
}
if (random_fifo_dir) {
rmdir (random_fifo_dir);
free (random_fifo_dir);
}
exit (EXIT_SUCCESS);
}