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/* Copyright (C) 2001-2005 by Hans Reiser, licensing governed by
reiser4progs/COPYING.
sdext_lt_repair.c -- large time stat data extension plugin recovery code. */
#ifndef ENABLE_MINIMAL
#include "sdext_plug.h"
#include <repair/plugin.h>
#include "sdext_plug.h"
#define PSET_MEMBER_LEN 14
char *pset_name[PSET_STORE_LAST] = {
[PSET_OBJ] = "object",
[PSET_DIR] = "directory",
[PSET_PERM] = "permission",
[PSET_POLICY] = "formatting",
[PSET_HASH] = "hash",
[PSET_FIBRE] = "fibration",
[PSET_STAT] = "statdata",
[PSET_DIRITEM] = "diritem",
[PSET_CRYPTO] = "crypto",
[PSET_DIGEST] = "digest",
[PSET_COMPRESS] = "compress",
[PSET_CMODE] = "compressMode",
[PSET_CLUSTER] = "cluster",
[PSET_CREATE] = "create",
};
errno_t sdext_plug_check_struct(stat_entity_t *stat, repair_hint_t *hint) {
reiser4_place_t *place;
uint64_t metmask = 0;
uint64_t rmmask = 0;
sdhint_plug_t plugh;
sdext_plug_t *ext;
uint16_t count, i;
int32_t remove;
uint32_t len;
int is_pset;
void *dst;
ext = (sdext_plug_t *)stat_body(stat);
count = sdext_plug_get_count(ext);
place = stat->place;
is_pset = stat->plug->p.id.id == SDEXT_PSET_ID;
if (count > PSET_STORE_LAST) {
fsck_mess("Node (%llu), item (%u), [%s]: does not "
"look like a valid SD %s set extention: "
"wrong member count detected (%u).",
place_blknr(place), place->pos.item,
print_key(sdext_pset_core, &place->key),
is_pset ? "plugin" : "heir", count);
return RE_FATAL;
}
len = sdext_plug_length(stat, NULL);
if (len == 0 || stat->offset + len > place->len) {
fsck_mess("Node (%llu), item (%u), [%s]: does not look like "
"a valid SD %s set extention: wrong member count "
"detected (%u).", place_blknr(place), place->pos.item,
print_key(sdext_pset_core, &place->key),
is_pset ? "plugin" : "heir", count);
return RE_FATAL;
}
aal_memset(&plugh, 0, sizeof(sdhint_plug_t));
remove = 0;
for (i = 0; i < count; i++) {
rid_t mem, id;
mem = sdext_plug_get_member(ext, i);
id = sdext_plug_get_pid(ext, i);
if (mem >= PSET_STORE_LAST) {
/* Unknown member. */
fsck_mess("Node (%llu), item (%u), [%s]: the slot (%u) "
"contains the invalid %s set member (%u).",
place_blknr(place), place->pos.item,
print_key(sdext_pset_core, &place->key),
i, is_pset ? "plugin" : "heir",mem);
rmmask |= (1 << i);
remove++;
} else if (metmask & (1 << mem)) {
/* Was met already. */
fsck_mess("Node (%llu), item (%u), [%s]: the slot (%u) "
"contains the %s set member (%s) that was met "
"already.",place_blknr(place),place->pos.item,
print_key(sdext_pset_core, &place->key), i,
is_pset ? "plugin" : "heir", pset_name[mem]);
rmmask |= (1 << i);
remove++;
} else {
metmask |= (1 << i);
/* Obtain the plugin. */
plugh.plug[mem] = sdext_pset_core->pset_ops.find(
mem, id, is_pset);
/* Check if the member is valid. */
if (plugh.plug[mem] == INVAL_PTR) {
fsck_mess("Node (%llu), item (%u), [%s]: the "
"slot (%u) contains the invalid %s "
"set member (%s), id (%u).",
place_blknr(place), place->pos.item,
print_key(sdext_pset_core, &place->key),
i, is_pset ? "plugin" : "heir",
pset_name[mem], id);
rmmask |= (1 << i);
remove++;
}
}
}
if (!rmmask)
return 0;
/* Some broken slots are found. */
if (hint->mode != RM_BUILD)
return RE_FATAL;
if (remove == count) {
fsck_mess("Node (%llu), item (%u), [%s]: no slot left. Does "
"not look like a valid (%s) statdata extention.",
place_blknr(place), place->pos.item,
print_key(sdext_pset_core, &place->key),
stat->plug->p.label);
return RE_FATAL;
}
/* Removing broken slots. */
fsck_mess("Node (%llu), item (%u), [%s]: removing broken slots.",
place_blknr(place), place->pos.item,
print_key(sdext_pset_core, &place->key));
dst = stat_body(stat) + sizeof(sdext_plug_t);
len -= sizeof(sdext_plug_t);
for (i = 0; i < count; i++, dst += sizeof(sdext_plug_slot_t)) {
len -= sizeof(sdext_plug_slot_t);
if (!(rmmask & (1 << i)))
continue;
aal_memmove(dst, dst + sizeof(sdext_plug_slot_t), len);
dst -= sizeof(sdext_plug_slot_t);
}
sdext_plug_set_count(ext, count - remove);
hint->len = remove * sizeof(sdext_plug_slot_t);
return 0;
}
void sdext_plug_print(stat_entity_t *stat,
aal_stream_t *stream,
uint16_t options)
{
reiser4_plug_t *plug;
sdext_plug_t *ext;
uint16_t count, i;
int is_pset;
aal_assert("vpf-1603", stat != NULL);
aal_assert("vpf-1604", stream != NULL);
ext = (sdext_plug_t *)stat_body(stat);
is_pset = stat->plug->p.id.id == SDEXT_PSET_ID;
if (sizeof(sdext_plug_t) + sizeof(sdext_plug_slot_t) >
stat->place->len - stat->offset)
{
aal_stream_format(stream, "No enough space (%u bytes) "
"for the %s set extention body.\n",
stat->place->len - stat->offset,
is_pset ? "plugin" : "heir");
return;
}
count = (stat->place->len - stat->offset - sizeof(sdext_plug_t)) /
sizeof(sdext_plug_slot_t);
if (count >= sdext_plug_get_count(ext)) {
count = sdext_plug_get_count(ext);
aal_stream_format(stream, "%sset count: \t%u\n",
is_pset ? "P" : "H", count);
} else {
aal_stream_format(stream, "%sset count: \t%u (fit to "
"place length %u)\n", is_pset ? "P" : "H",
sdext_plug_get_count(ext), count);
}
for (i = 0; i < count; i++) {
rid_t mem, id;
mem = sdext_plug_get_member(ext, i);
id = sdext_plug_get_pid(ext, i);
if (mem < (uint8_t)PSET_STORE_LAST) {
plug = sdext_pset_core->pset_ops.find(mem, id, is_pset);
aal_stream_format(stream, " %*s : id = %u",
PSET_MEMBER_LEN, pset_name[mem], id);
} else {
plug = NULL;
aal_stream_format(stream, "%*sUNKN(0x%x) : id = %u",
PSET_MEMBER_LEN - 5, "", mem, id);
}
if (plug && plug != INVAL_PTR)
aal_stream_format(stream, " (%s)\n", plug->label);
else
aal_stream_format(stream, "\n");
}
}
#endif
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