/* Called by geom(8) via gvirstor_main() to dump metadata information */
static void
virstor_dump(struct gctl_req *req)
{
struct g_virstor_metadata md;
u_char tmpmd[512]; /* temporary buffer */
const char *name;
char param[16];
int nargs, error, i;
assert(sizeof(tmpmd) >= sizeof(md));
nargs = gctl_get_int(req, "nargs");
if (nargs < 1) {
gctl_error(req, "Too few arguments.");
return;
}
for (i = 0; i < nargs; i++) {
snprintf(param, sizeof(param), "arg%u", i);
name = gctl_get_ascii(req, "%s", param);
error = g_metadata_read(name, (u_char *) & tmpmd, sizeof(tmpmd),
G_VIRSTOR_MAGIC);
if (error != 0) {
fprintf(stderr, "Can't read metadata from %s: %s.\n",
name, strerror(error));
gctl_error(req,
"Not fully done (error reading metadata).");
continue;
}
virstor_metadata_decode((u_char *) & tmpmd, &md);
printf("Metadata on %s:\n", name);
virstor_metadata_dump(&md);
printf("\n");
}
}
static void
stripe_dump(struct gctl_req *req)
{
struct g_stripe_metadata md, tmpmd;
const char *name;
int error, i, nargs;
nargs = gctl_get_int(req, "nargs");
if (nargs < 1) {
gctl_error(req, "Too few arguments.");
return;
}
for (i = 0; i < nargs; i++) {
name = gctl_get_ascii(req, "arg%d", i);
error = g_metadata_read(name, (u_char *)&tmpmd, sizeof(tmpmd),
G_STRIPE_MAGIC);
if (error != 0) {
fprintf(stderr, "Can't read metadata from %s: %s.\n",
name, strerror(error));
gctl_error(req, "Not fully done.");
continue;
}
stripe_metadata_decode((u_char *)&tmpmd, &md);
printf("Metadata on %s:\n", name);
stripe_metadata_dump(&md);
printf("\n");
}
}
static void
journal_dump(struct gctl_req *req)
{
struct g_journal_metadata md, tmpmd;
const char *name;
int error, i, nargs;
nargs = gctl_get_int(req, "nargs");
if (nargs < 1) {
gctl_error(req, "Too few arguments.");
return;
}
for (i = 0; i < nargs; i++) {
name = gctl_get_ascii(req, "arg%d", i);
error = g_metadata_read(name, (u_char *)&tmpmd, sizeof(tmpmd),
G_JOURNAL_MAGIC);
if (error != 0) {
fprintf(stderr, "Cannot read metadata from %s: %s.\n",
name, strerror(error));
gctl_error(req, "Not fully done.");
continue;
}
if (journal_metadata_decode((u_char *)&tmpmd, &md) != 0) {
fprintf(stderr, "MD5 hash mismatch for %s, skipping.\n",
name);
gctl_error(req, "Not fully done.");
continue;
}
printf("Metadata on %s:\n", name);
journal_metadata_dump(&md);
printf("\n");
}
}
