int
main(int argc, char **argv)
{
int line, tokens;
char buffer[BUFSIZ], *inputline, *token[GV_MAXARGS];
/* Load the module if necessary. */
if (modfind(GVINUMMOD) < 0) {
if (kldload(GVINUMKLD) < 0 && modfind(GVINUMMOD) < 0)
err(1, GVINUMKLD ": Kernel module not available");
}
/* Arguments given on the command line. */
if (argc > 1) {
argc--;
argv++;
parseline(argc, argv);
/* Interactive mode. */
} else {
for (;;) {
inputline = readline("gvinum -> ");
if (inputline == NULL) {
if (ferror(stdin)) {
err(1, "can't read input");
} else {
printf("\n");
exit(0);
}
} else if (*inputline) {
add_history(inputline);
strcpy(buffer, inputline);
free(inputline);
line++; /* count the lines */
tokens = gv_tokenize(buffer, token, GV_MAXARGS);
if (tokens)
parseline(tokens, token);
}
}
}
exit(0);
}
void
gvinum_create(int argc, char **argv)
{
struct gctl_req *req;
struct gv_drive *d;
struct gv_plex *p;
struct gv_sd *s;
struct gv_volume *v;
FILE *tmp;
int drives, errors, fd, flags, i, line, plexes, plex_in_volume;
int sd_in_plex, status, subdisks, tokens, undeffd, volumes;
const char *errstr;
char buf[BUFSIZ], buf1[BUFSIZ], commandline[BUFSIZ], *ed, *sdname;
char original[BUFSIZ], tmpfile[20], *token[GV_MAXARGS];
char plex[GV_MAXPLEXNAME], volume[GV_MAXVOLNAME];
tmp = NULL;
flags = 0;
for (i = 1; i < argc; i++) {
/* Force flag used to ignore already created drives. */
if (!strcmp(argv[i], "-f")) {
flags |= GV_FLAG_F;
/* Else it must be a file. */
} else {
if ((tmp = fopen(argv[1], "r")) == NULL) {
warn("can't open '%s' for reading", argv[1]);
return;
}
}
}
/* We didn't get a file. */
if (tmp == NULL) {
snprintf(tmpfile, sizeof(tmpfile), "/tmp/gvinum.XXXXXX");
if ((fd = mkstemp(tmpfile)) == -1) {
warn("temporary file not accessible");
return;
}
if ((tmp = fdopen(fd, "w")) == NULL) {
warn("can't open '%s' for writing", tmpfile);
return;
}
printconfig(tmp, "# ");
fclose(tmp);
ed = getenv("EDITOR");
if (ed == NULL)
ed = _PATH_VI;
snprintf(commandline, sizeof(commandline), "%s %s", ed,
tmpfile);
status = system(commandline);
if (status != 0) {
warn("couldn't exec %s; status: %d", ed, status);
return;
}
if ((tmp = fopen(tmpfile, "r")) == NULL) {
warn("can't open '%s' for reading", tmpfile);
return;
}
}
req = gctl_get_handle();
gctl_ro_param(req, "class", -1, "VINUM");
gctl_ro_param(req, "verb", -1, "create");
gctl_ro_param(req, "flags", sizeof(int), &flags);
drives = volumes = plexes = subdisks = 0;
plex_in_volume = sd_in_plex = undeffd = 0;
plex[0] = '\0';
errors = 0;
line = 1;
while ((fgets(buf, BUFSIZ, tmp)) != NULL) {
/* Skip empty lines and comments. */
if (*buf == '\0' || *buf == '#') {
line++;
continue;
}
/* Kill off the newline. */
buf[strlen(buf) - 1] = '\0';
/*
* Copy the original input line in case we need it for error
* output.
*/
strlcpy(original, buf, sizeof(original));
tokens = gv_tokenize(buf, token, GV_MAXARGS);
if (tokens <= 0) {
line++;
continue;
}
/* Volume definition. */
if (!strcmp(token[0], "volume")) {
v = gv_new_volume(tokens, token);
if (v == NULL) {
warnx("line %d: invalid volume definition",
line);
warnx("line %d: '%s'", line, original);
errors++;
line++;
continue;
}
/* Reset plex count for this volume. */
plex_in_volume = 0;
/*
* Set default volume name for following plex
* definitions.
*/
strlcpy(volume, v->name, sizeof(volume));
snprintf(buf1, sizeof(buf1), "volume%d", volumes);
gctl_ro_param(req, buf1, sizeof(*v), v);
volumes++;
/* Plex definition. */
} else if (!strcmp(token[0], "plex")) {
p = gv_new_plex(tokens, token);
if (p == NULL) {
warnx("line %d: invalid plex definition", line);
warnx("line %d: '%s'", line, original);
errors++;
line++;
continue;
}
/* Reset subdisk count for this plex. */
sd_in_plex = 0;
/* Default name. */
if (strlen(p->name) == 0) {
snprintf(p->name, sizeof(p->name), "%s.p%d",
volume, plex_in_volume++);
}
/* Default volume. */
if (strlen(p->volume) == 0) {
snprintf(p->volume, sizeof(p->volume), "%s",
volume);
}
/*
* Set default plex name for following subdisk
* definitions.
*/
strlcpy(plex, p->name, sizeof(plex));
snprintf(buf1, sizeof(buf1), "plex%d", plexes);
gctl_ro_param(req, buf1, sizeof(*p), p);
plexes++;
/* Subdisk definition. */
} else if (!strcmp(token[0], "sd")) {
s = gv_new_sd(tokens, token);
if (s == NULL) {
warnx("line %d: invalid subdisk "
"definition:", line);
warnx("line %d: '%s'", line, original);
errors++;
line++;
continue;
}
/* Default name. */
if (strlen(s->name) == 0) {
if (strlen(plex) == 0) {
sdname = find_name("gvinumsubdisk.p",
GV_TYPE_SD, GV_MAXSDNAME);
snprintf(s->name, sizeof(s->name),
"%s.s%d", sdname, undeffd++);
free(sdname);
} else {
snprintf(s->name, sizeof(s->name),
"%s.s%d",plex, sd_in_plex++);
}
}
/* Default plex. */
if (strlen(s->plex) == 0)
snprintf(s->plex, sizeof(s->plex), "%s", plex);
snprintf(buf1, sizeof(buf1), "sd%d", subdisks);
gctl_ro_param(req, buf1, sizeof(*s), s);
subdisks++;
/* Subdisk definition. */
} else if (!strcmp(token[0], "drive")) {
d = gv_new_drive(tokens, token);
if (d == NULL) {
warnx("line %d: invalid drive definition:",
line);
warnx("line %d: '%s'", line, original);
errors++;
line++;
continue;
}
snprintf(buf1, sizeof(buf1), "drive%d", drives);
gctl_ro_param(req, buf1, sizeof(*d), d);
drives++;
/* Everything else is bogus. */
} else {
warnx("line %d: invalid definition:", line);
warnx("line %d: '%s'", line, original);
errors++;
}
line++;
}
fclose(tmp);
unlink(tmpfile);
if (!errors && (volumes || plexes || subdisks || drives)) {
gctl_ro_param(req, "volumes", sizeof(int), &volumes);
gctl_ro_param(req, "plexes", sizeof(int), &plexes);
gctl_ro_param(req, "subdisks", sizeof(int), &subdisks);
gctl_ro_param(req, "drives", sizeof(int), &drives);
errstr = gctl_issue(req);
if (errstr != NULL)
warnx("create failed: %s", errstr);
}
gctl_free(req);
}