/* Grow a subdisk by adding disk backed by provider. */
void
gvinum_grow(int argc, char **argv)
{
struct gctl_req *req;
char *drive, *sdname;
char sdprefix[GV_MAXSDNAME];
struct gv_drive *d;
struct gv_sd *s;
const char *errstr;
int drives, volumes, plexes, subdisks, flags;
drives = volumes = plexes = subdisks = 0;
if (argc < 3) {
warnx("usage:\tgrow plex drive\n");
return;
}
s = gv_alloc_sd();
if (s == NULL) {
warn("unable to create subdisk");
return;
}
d = gv_alloc_drive();
if (d == NULL) {
warn("unable to create drive");
free(s);
return;
}
/* Lookup device and set an appropriate drive name. */
drive = find_drive();
if (drive == NULL) {
warn("unable to find an appropriate drive name");
free(s);
free(d);
return;
}
strlcpy(d->name, drive, sizeof(d->name));
copy_device(d, argv[2]);
drives = 1;
/* We try to use the plex name as basis for the subdisk name. */
snprintf(sdprefix, sizeof(sdprefix), "%s.s", argv[1]);
sdname = find_name(sdprefix, GV_TYPE_SD, GV_MAXSDNAME);
if (sdname == NULL) {
warn("unable to find an appropriate subdisk name");
free(s);
free(d);
free(drive);
return;
}
strlcpy(s->name, sdname, sizeof(s->name));
free(sdname);
strlcpy(s->plex, argv[1], sizeof(s->plex));
strlcpy(s->drive, d->name, sizeof(s->drive));
subdisks = 1;
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);
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);
gctl_ro_param(req, "drive0", sizeof(*d), d);
gctl_ro_param(req, "sd0", sizeof(*s), s);
errstr = gctl_issue(req);
free(drive);
if (errstr != NULL) {
warnx("unable to grow plex: %s", errstr);
free(s);
free(d);
return;
}
gctl_free(req);
}
/* Get a new subdisk object. */
struct gv_sd *
gv_new_sd(int max, char *token[])
{
struct gv_sd *s;
int j, errors;
if (token[1] == NULL || *token[1] == '\0')
return (NULL);
s = gv_alloc_sd();
if (s == NULL)
return (NULL);
errors = 0;
for (j = 1; j < max; j++) {
if (!strcmp(token[j], "name")) {
j++;
if (j >= max) {
errors++;
break;
}
strlcpy(s->name, token[j], sizeof(s->name));
} else if (!strcmp(token[j], "drive")) {
j++;
if (j >= max) {
errors++;
break;
}
strlcpy(s->drive, token[j], sizeof(s->drive));
} else if (!strcmp(token[j], "plex")) {
j++;
if (j >= max) {
errors++;
break;
}
strlcpy(s->plex, token[j], sizeof(s->plex));
} else if (!strcmp(token[j], "state")) {
j++;
if (j >= max) {
errors++;
break;
}
s->state = gv_sdstatei(token[j]);
} else if (!strcmp(token[j], "len") ||
!strcmp(token[j], "length")) {
j++;
if (j >= max) {
errors++;
break;
}
s->size = gv_sizespec(token[j]);
if (s->size <= 0)
s->size = -1;
} else if (!strcmp(token[j], "driveoffset")) {
j++;
if (j >= max) {
errors++;
break;
}
s->drive_offset = gv_sizespec(token[j]);
if (s->drive_offset != 0 &&
s->drive_offset < GV_DATA_START) {
errors++;
break;
}
} else if (!strcmp(token[j], "plexoffset")) {
j++;
if (j >= max) {
errors++;
break;
}
s->plex_offset = gv_sizespec(token[j]);
if (s->plex_offset < 0) {
errors++;
break;
}
} else {
errors++;
break;
}
}
if (strlen(s->drive) == 0)
errors++;
if (errors) {
g_free(s);
return (NULL);
}
return (s);
}
