- /*
+ /*
Trivial Database 2: free list/block handling
Copyright (C) Rusty Russell 2010
-
+
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
hash_test = TDB_HASH_MAGIC;
hash_test = tdb_hash(tdb, &hash_test, sizeof(hash_test));
if (hdr.hash_test != hash_test) {
- tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_DEBUG_ERROR,
+ tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_LOG_ERROR,
"check: hash test %llu should be %llu",
(long long)hdr.hash_test,
(long long)hash_test);
}
if (strcmp(hdr.magic_food, TDB_MAGIC_FOOD) != 0) {
- tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_DEBUG_ERROR,
+ tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_LOG_ERROR,
"check: bad magic '%.*s'",
(unsigned)sizeof(hdr.magic_food), hdr.magic_food);
return false;
*recovery = hdr.recovery;
if (*recovery) {
if (*recovery < sizeof(hdr) || *recovery > tdb->map_size) {
- tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_DEBUG_ERROR,
+ tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_LOG_ERROR,
"tdb_check: invalid recovery offset %zu",
(size_t)*recovery);
return false;
return false;
if (rec_magic(&rec) != TDB_CHAIN_MAGIC) {
- tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_DEBUG_ERROR,
+ tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_LOG_ERROR,
"tdb_check: Bad hash chain magic %llu",
(long long)rec_magic(&rec));
return false;
}
if (rec_data_length(&rec) != sizeof(struct tdb_chain)) {
- tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_DEBUG_ERROR,
+ tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_LOG_ERROR,
"tdb_check: Bad hash chain length %llu vs %zu",
(long long)rec_data_length(&rec),
sizeof(struct tdb_chain));
return false;
}
if (rec_key_length(&rec) != 0) {
- tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_DEBUG_ERROR,
+ tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_LOG_ERROR,
"tdb_check: Bad hash chain key length %llu",
(long long)rec_key_length(&rec));
return false;
}
if (rec_hash(&rec) != 0) {
- tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_DEBUG_ERROR,
+ tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_LOG_ERROR,
"tdb_check: Bad hash chain hash value %llu",
(long long)rec_hash(&rec));
return false;
return false;
if (rec_magic(&rec) != TDB_HTABLE_MAGIC) {
- tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_DEBUG_ERROR,
+ tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_LOG_ERROR,
"tdb_check: Bad hash table magic %llu",
(long long)rec_magic(&rec));
return false;
}
if (rec_data_length(&rec)
!= sizeof(tdb_off_t) << TDB_SUBLEVEL_HASH_BITS) {
- tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_DEBUG_ERROR,
+ tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_LOG_ERROR,
"tdb_check: Bad hash table length %llu vs %llu",
(long long)rec_data_length(&rec),
(long long)sizeof(tdb_off_t)
return false;
}
if (rec_key_length(&rec) != 0) {
- tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_DEBUG_ERROR,
+ tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_LOG_ERROR,
"tdb_check: Bad hash table key length %llu",
(long long)rec_key_length(&rec));
return false;
}
if (rec_hash(&rec) != 0) {
- tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_DEBUG_ERROR,
+ tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_LOG_ERROR,
"tdb_check: Bad hash table hash value %llu",
(long long)rec_hash(&rec));
return false;
p = asearch(&off, used, num_used, off_cmp);
if (!p) {
tdb_logerr(tdb, TDB_ERR_CORRUPT,
- TDB_DEBUG_ERROR,
+ TDB_LOG_ERROR,
"tdb_check: Invalid offset %llu "
"in hash", (long long)off);
goto fail;
/* Chained entries are unordered. */
if (is_subhash(group[b])) {
tdb_logerr(tdb, TDB_ERR_CORRUPT,
- TDB_DEBUG_ERROR,
+ TDB_LOG_ERROR,
"tdb_check: Invalid chain"
" entry subhash");
goto fail;
h = hash_record(tdb, off);
if (h != hprefix) {
tdb_logerr(tdb, TDB_ERR_CORRUPT,
- TDB_DEBUG_ERROR,
+ TDB_LOG_ERROR,
"check: bad hash chain"
" placement"
" 0x%llx vs 0x%llx",
if (is_subhash(group[b])) {
uint64_t subprefix;
- subprefix = (hprefix
+ subprefix = (hprefix
<< (group_bits + TDB_HASH_GROUP_BITS))
+ g * (1 << TDB_HASH_GROUP_BITS) + b;
if (get_bits(h, hprefix_bits, &used_bits) != hprefix
&& hprefix_bits) {
tdb_logerr(tdb, TDB_ERR_CORRUPT,
- TDB_DEBUG_ERROR,
+ TDB_LOG_ERROR,
"check: bad hash placement"
" 0x%llx vs 0x%llx",
(long long)h, (long long)hprefix);
/* Does it belong in this group? */
if (get_bits(h, group_bits, &used_bits) != g) {
tdb_logerr(tdb, TDB_ERR_CORRUPT,
- TDB_DEBUG_ERROR,
+ TDB_LOG_ERROR,
"check: bad group %llu vs %u",
(long long)h, g);
goto fail;
!= bucket) {
used_bits -= TDB_HASH_GROUP_BITS;
tdb_logerr(tdb, TDB_ERR_CORRUPT,
- TDB_DEBUG_ERROR,
+ TDB_LOG_ERROR,
"check: bad bucket %u vs %u",
(unsigned)get_bits(h,
TDB_HASH_GROUP_BITS,
i = (i + 1) % (1 << TDB_HASH_GROUP_BITS)) {
if (group[i] == 0) {
tdb_logerr(tdb, TDB_ERR_CORRUPT,
- TDB_DEBUG_ERROR,
+ TDB_LOG_ERROR,
"check: bad group placement"
" %u vs %u",
b, bucket);
/* Bottom bits must match header. */
if ((h & ((1 << 11)-1)) != rec_hash(&rec)) {
tdb_logerr(tdb, TDB_ERR_CORRUPT,
- TDB_DEBUG_ERROR,
+ TDB_LOG_ERROR,
"tdb_check: Bad hash magic at"
" offset %llu (0x%llx vs 0x%llx)",
(long long)off,
return false;
if (num_found != num_used) {
- tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_DEBUG_ERROR,
+ tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_LOG_ERROR,
"tdb_check: Not all entries are in hash");
return false;
}
unsigned int bucket)
{
if (frec_magic(frec) != TDB_FREE_MAGIC) {
- tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_DEBUG_ERROR,
+ tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_LOG_ERROR,
"tdb_check: offset %llu bad magic 0x%llx",
(long long)off, (long long)frec->magic_and_prev);
return false;
}
if (frec_ftable(frec) != ftable) {
- tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_DEBUG_ERROR,
+ tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_LOG_ERROR,
"tdb_check: offset %llu bad freetable %u",
(long long)off, frec_ftable(frec));
return false;
false))
return false;
if (size_to_bucket(frec_len(frec)) != bucket) {
- tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_DEBUG_ERROR,
+ tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_LOG_ERROR,
"tdb_check: offset %llu in wrong bucket %u vs %u",
(long long)off,
bucket, size_to_bucket(frec_len(frec)));
return false;
}
if (prev != frec_prev(frec)) {
- tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_DEBUG_ERROR,
+ tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_LOG_ERROR,
"tdb_check: offset %llu bad prev %llu vs %llu",
(long long)off,
(long long)prev, (long long)frec_len(frec));
}
return true;
}
-
+
static bool check_free_table(struct tdb_context *tdb,
tdb_off_t ftable_off,
unsigned ftable_num,
- tdb_off_t free[],
+ tdb_off_t fr[],
size_t num_free,
size_t *num_found)
{
|| rec_key_length(&ft.hdr) != 0
|| rec_data_length(&ft.hdr) != sizeof(ft) - sizeof(ft.hdr)
|| rec_hash(&ft.hdr) != 0) {
- tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_DEBUG_ERROR,
+ tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_LOG_ERROR,
"tdb_check: Invalid header on free table");
return false;
}
return false;
/* FIXME: Check hash bits */
- p = asearch(&off, free, num_free, off_cmp);
+ p = asearch(&off, fr, num_free, off_cmp);
if (!p) {
tdb_logerr(tdb, TDB_ERR_CORRUPT,
- TDB_DEBUG_ERROR,
+ TDB_LOG_ERROR,
"tdb_check: Invalid offset"
" %llu in free table",
(long long)off);
for (len = 0; off + len < tdb->map_size; len++) {
char c;
- if (tdb->methods->read(tdb, off, &c, 1))
+ if (tdb->methods->tread(tdb, off, &c, 1))
return 0;
if (c != 0 && c != 0x43)
break;
static bool check_linear(struct tdb_context *tdb,
tdb_off_t **used, size_t *num_used,
- tdb_off_t **free, size_t *num_free,
+ tdb_off_t **fr, size_t *num_free,
tdb_off_t recovery)
{
tdb_off_t off;
len = dead_space(tdb, off);
if (len < sizeof(rec.r)) {
tdb_logerr(tdb, TDB_ERR_CORRUPT,
- TDB_DEBUG_ERROR,
+ TDB_LOG_ERROR,
"tdb_check: invalid dead"
" space at %zu",
(size_t)off);
return false;
}
- tdb_logerr(tdb, TDB_SUCCESS, TDB_DEBUG_WARNING,
+ tdb_logerr(tdb, TDB_SUCCESS, TDB_LOG_WARNING,
"Dead space at %zu-%zu (of %zu)",
(size_t)off, (size_t)(off + len),
(size_t)tdb->map_size);
return false;
if (recovery != off) {
tdb_logerr(tdb, TDB_ERR_CORRUPT,
- TDB_DEBUG_ERROR,
+ TDB_LOG_ERROR,
"tdb_check: unexpected recovery"
" record at offset %zu",
(size_t)off);
}
if (rec.r.len > rec.r.max_len) {
tdb_logerr(tdb, TDB_ERR_CORRUPT,
- TDB_DEBUG_ERROR,
+ TDB_LOG_ERROR,
"tdb_check: invalid recovery length"
" %zu", (size_t)rec.r.len);
return false;
}
if (rec.r.eof > tdb->map_size) {
tdb_logerr(tdb, TDB_ERR_CORRUPT,
- TDB_DEBUG_ERROR,
+ TDB_LOG_ERROR,
"tdb_check: invalid old EOF"
" %zu", (size_t)rec.r.eof);
return false;
len = sizeof(rec.u) + frec_len(&rec.f);
if (off + len > tdb->map_size) {
tdb_logerr(tdb, TDB_ERR_CORRUPT,
- TDB_DEBUG_ERROR,
+ TDB_LOG_ERROR,
"tdb_check: free overlength %llu"
" at offset %llu",
(long long)len, (long long)off);
}
/* This record should be in free lists. */
if (frec_ftable(&rec.f) != TDB_FTABLE_NONE
- && !append(free, num_free, off))
+ && !append(fr, num_free, off)) {
+ tdb_logerr(tdb, TDB_ERR_OOM,
+ TDB_LOG_ERROR,
+ "tdb_check: tracking %zu'th"
+ " free record.", *num_free);
return false;
+ }
} else if (rec_magic(&rec.u) == TDB_USED_MAGIC
|| rec_magic(&rec.u) == TDB_CHAIN_MAGIC
|| rec_magic(&rec.u) == TDB_HTABLE_MAGIC
uint64_t klen, dlen, extra;
/* This record is used! */
- if (!append(used, num_used, off))
+ if (!append(used, num_used, off)) {
+ tdb_logerr(tdb, TDB_ERR_OOM,
+ TDB_LOG_ERROR,
+ "tdb_check: tracking %zu'th"
+ " used record.", *num_used);
return false;
+ }
klen = rec_key_length(&rec.u);
dlen = rec_data_length(&rec.u);
len = sizeof(rec.u) + klen + dlen + extra;
if (off + len > tdb->map_size) {
tdb_logerr(tdb, TDB_ERR_CORRUPT,
- TDB_DEBUG_ERROR,
+ TDB_LOG_ERROR,
"tdb_check: used overlength %llu"
" at offset %llu",
(long long)len, (long long)off);
if (len < sizeof(rec.f)) {
tdb_logerr(tdb, TDB_ERR_CORRUPT,
- TDB_DEBUG_ERROR,
+ TDB_LOG_ERROR,
"tdb_check: too short record %llu"
" at %llu",
(long long)len, (long long)off);
}
} else {
tdb_logerr(tdb, TDB_ERR_CORRUPT,
- TDB_DEBUG_ERROR,
+ TDB_LOG_ERROR,
"tdb_check: Bad magic 0x%llx at offset %zu",
(long long)rec_magic(&rec.u), (size_t)off);
return false;
/* We must have found recovery area if there was one. */
if (recovery != 0 && !found_recovery) {
- tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_DEBUG_ERROR,
+ tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_LOG_ERROR,
"tdb_check: expected a recovery area at %zu",
(size_t)recovery);
return false;
int (*check)(TDB_DATA key, TDB_DATA data, void *private_data),
void *private_data)
{
- tdb_off_t *free = NULL, *used = NULL, ft, recovery;
+ tdb_off_t *fr = NULL, *used = NULL, ft, recovery;
size_t num_free = 0, num_used = 0, num_found = 0, num_ftables = 0;
+ enum TDB_ERROR ecode;
- if (tdb_allrecord_lock(tdb, F_RDLCK, TDB_LOCK_WAIT, false) != 0)
+ ecode = tdb_allrecord_lock(tdb, F_RDLCK, TDB_LOCK_WAIT, false);
+ if (ecpde != TDB_SUCCESS) {
+ tdb->ecode = ecode;
return -1;
+ }
- if (tdb_lock_expand(tdb, F_RDLCK) != 0) {
+ ecode = tdb_lock_expand(tdb, F_RDLCK);
+ if (ecode != TDB_SUCCESS) {
+ tdb->ecode = ecode;
tdb_allrecord_unlock(tdb, F_RDLCK);
return -1;
}
goto fail;
/* First we do a linear scan, checking all records. */
- if (!check_linear(tdb, &used, &num_used, &free, &num_free, recovery))
+ if (!check_linear(tdb, &used, &num_used, &fr, &num_free, recovery))
goto fail;
for (ft = first_ftable(tdb); ft; ft = next_ftable(tdb, ft)) {
if (ft == TDB_OFF_ERR)
goto fail;
- if (!check_free_table(tdb, ft, num_ftables, free, num_free,
+ if (!check_free_table(tdb, ft, num_ftables, fr, num_free,
&num_found))
goto fail;
num_ftables++;
goto fail;
if (num_found != num_free) {
- tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_DEBUG_ERROR,
+ tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_LOG_ERROR,
"tdb_check: Not all entries are in free table");
return -1;
}
tdb_allrecord_unlock(tdb, F_RDLCK);
tdb_unlock_expand(tdb, F_RDLCK);
+ free(fr);
+ free(used);
return 0;
fail:
+ free(fr);
+ free(used);
tdb_allrecord_unlock(tdb, F_RDLCK);
tdb_unlock_expand(tdb, F_RDLCK);
return -1;
projects / ccan / blobdiff