break;
}
- if (remove_from_list(tdb, list, r) == -1) {
+ if (remove_from_list(tdb, nlist, r) == -1) {
tdb_unlock_free_list(tdb, nlist);
goto err;
}
if (!r)
goto err;
+ if (r->data_len != data_len) {
+ tdb->ecode = TDB_ERR_CORRUPT;
+ tdb->log(tdb, TDB_DEBUG_FATAL, tdb->log_priv,
+ "coalesce: expected data len %llu not %llu\n",
+ (long long)data_len, (long long)r->data_len);
+ goto err;
+ }
+
if (remove_from_list(tdb, list, r) == -1)
goto err;
}
TEST_IT(tdb->flags & TDB_CONVERT);
tdb_convert(tdb, &tdb->header, sizeof(tdb->header));
+ /* Zones don't matter for internal db. */
+ tdb->last_zone = 0;
return tdb;
}
struct tdb_used_record *rec,
uint64_t h)
{
- uint64_t room = rec_data_length(rec) + rec_extra_padding(rec);
+ uint64_t dataroom = rec_data_length(rec) + rec_extra_padding(rec);
- if (set_header(tdb, rec, keylen, datalen, room - datalen, h))
+ if (set_header(tdb, rec, keylen, datalen, keylen + dataroom, h))
return -1;
return tdb_write_convert(tdb, off, rec, sizeof(*rec));
+ rec_extra_padding(&rec));
}
-write:
/* FIXME: Encode extra hash bits! */
if (tdb_write_off(tdb, hash_off(tdb, old_bucket), new_off) == -1)
goto fail;
+write:
off = new_off + sizeof(struct tdb_used_record);
if (tdb->methods->write(tdb, off, key.dptr, key.dsize) == -1)
goto fail;
--- /dev/null
+/* TDB tools to create various canned database layouts. */
+#include "layout.h"
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+
+struct tdb_layout *new_tdb_layout(void)
+{
+ struct tdb_layout *layout = malloc(sizeof(*layout));
+ layout->num_elems = 0;
+ layout->elem = NULL;
+ layout->ftable = layout->htable = -1;
+ return layout;
+}
+
+static void add(struct tdb_layout *layout, union tdb_layout_elem elem)
+{
+ layout->elem = realloc(layout->elem,
+ sizeof(layout->elem[0])
+ * (layout->num_elems+1));
+ layout->elem[layout->num_elems++] = elem;
+}
+
+void tdb_layout_add_free(struct tdb_layout *layout, tdb_len_t len)
+{
+ union tdb_layout_elem elem;
+ elem.base.type = FREE;
+ elem.free.len = len;
+ add(layout, elem);
+}
+
+static struct tdb_data dup_key(struct tdb_data key)
+{
+ struct tdb_data ret;
+ ret.dsize = key.dsize;
+ ret.dptr = malloc(ret.dsize);
+ memcpy(ret.dptr, key.dptr, ret.dsize);
+ return ret;
+}
+
+void tdb_layout_add_used(struct tdb_layout *layout,
+ TDB_DATA key, TDB_DATA data,
+ tdb_len_t extra)
+{
+ union tdb_layout_elem elem;
+ elem.base.type = DATA;
+ elem.used.key = dup_key(key);
+ elem.used.data = dup_key(data);
+ elem.used.extra = extra;
+ add(layout, elem);
+}
+
+void tdb_layout_add_hashtable(struct tdb_layout *layout,
+ unsigned int hash_bits,
+ tdb_len_t extra)
+{
+ union tdb_layout_elem elem;
+ elem.base.type = HASHTABLE;
+ elem.hashtable.hash_bits = hash_bits;
+ elem.hashtable.extra = extra;
+ assert(layout->htable == -1U);
+ layout->htable = layout->num_elems;
+ add(layout, elem);
+}
+
+void tdb_layout_add_freetable(struct tdb_layout *layout,
+ unsigned int num_zones,
+ unsigned int zone_bits,
+ unsigned int num_buckets,
+ tdb_len_t extra)
+{
+ union tdb_layout_elem elem;
+ elem.base.type = FREETABLE;
+ elem.freetable.num_zones = num_zones;
+ elem.freetable.zone_bits = zone_bits;
+ elem.freetable.num_buckets = num_buckets;
+ elem.freetable.extra = extra;
+ assert(layout->ftable == -1U);
+ layout->ftable = layout->num_elems;
+ add(layout, elem);
+}
+
+static tdb_len_t free_record_len(tdb_len_t len)
+{
+ return sizeof(struct tdb_used_record) + len;
+}
+
+static tdb_len_t data_record_len(struct tle_used *used)
+{
+ tdb_len_t len;
+ len = sizeof(struct tdb_used_record)
+ + used->key.dsize + used->data.dsize + used->extra;
+ assert(len >= sizeof(struct tdb_free_record));
+ return len;
+}
+
+static tdb_len_t hashtable_len(struct tle_hashtable *htable)
+{
+ return sizeof(struct tdb_used_record)
+ + (sizeof(tdb_off_t) << htable->hash_bits);
+}
+
+static tdb_len_t freetable_len(struct tle_freetable *ftable)
+{
+ return sizeof(struct tdb_used_record)
+ + (sizeof(tdb_off_t) * ftable->num_zones
+ * (ftable->num_buckets + 1));
+}
+
+static void set_free_record(void *mem, tdb_len_t len)
+{
+ /* We do all the work in add_to_freetable */
+}
+
+static void set_data_record(void *mem, struct tdb_context *tdb,
+ struct tle_used *used)
+{
+ struct tdb_used_record *u = mem;
+
+ set_header(tdb, u, used->key.dsize, used->data.dsize,
+ used->key.dsize + used->data.dsize + used->extra,
+ tdb_hash(tdb, used->key.dptr, used->key.dsize));
+ memcpy(u + 1, used->key.dptr, used->key.dsize);
+ memcpy((char *)(u + 1) + used->key.dsize,
+ used->data.dptr, used->data.dsize);
+}
+
+static void set_hashtable(void *mem, struct tdb_context *tdb,
+ struct tle_hashtable *htable)
+{
+ struct tdb_used_record *u = mem;
+ tdb_len_t len = sizeof(tdb_off_t) << htable->hash_bits;
+
+ set_header(tdb, u, 0, len, len + htable->extra, 0);
+ memset(u + 1, 0, len);
+}
+
+static void set_freetable(void *mem, struct tdb_context *tdb,
+ struct tle_freetable *ftable)
+{
+ struct tdb_used_record *u = mem;
+ tdb_len_t len = sizeof(tdb_off_t) * ftable->num_zones
+ * (ftable->num_buckets + 1);
+ set_header(tdb, u, 0, len, len + ftable->extra, 0);
+ memset(u + 1, 0, len);
+}
+
+static void add_to_freetable(struct tdb_context *tdb,
+ tdb_off_t eoff,
+ tdb_off_t elen)
+{
+ add_free_record(tdb, eoff, sizeof(struct tdb_used_record) + elen);
+}
+
+static tdb_off_t hash_off(struct tdb_context *tdb, uint64_t list)
+{
+ return tdb->header.v.hash_off
+ + ((list & ((1ULL << tdb->header.v.hash_bits) - 1))
+ * sizeof(tdb_off_t));
+}
+
+static void add_to_hashtable(struct tdb_context *tdb,
+ tdb_off_t eoff,
+ struct tdb_data key)
+{
+ uint64_t hash = tdb_hash(tdb, key.dptr, key.dsize);
+ tdb_off_t hoff;
+
+ while (tdb_read_off(tdb, hoff = hash_off(tdb, hash)) != 0)
+ hash++;
+
+ tdb_write_off(tdb, hoff, eoff);
+}
+
+/* FIXME: Support TDB_CONVERT */
+struct tdb_context *tdb_layout_get(struct tdb_layout *layout)
+{
+ unsigned int i;
+ tdb_off_t len;
+ struct tdb_header *hdr;
+ char *mem;
+ struct tdb_context *tdb;
+
+ assert(layout->ftable != -1U);
+ assert(layout->htable != -1U);
+
+ len = sizeof(struct tdb_header);
+
+ /* First pass of layout: calc lengths */
+ for (i = 0; i < layout->num_elems; i++) {
+ union tdb_layout_elem *e = &layout->elem[i];
+ e->base.off = len;
+ switch (e->base.type) {
+ case FREE:
+ len += free_record_len(e->free.len);
+ break;
+ case DATA:
+ len += data_record_len(&e->used);
+ break;
+ case HASHTABLE:
+ len += hashtable_len(&e->hashtable);
+ break;
+ case FREETABLE:
+ len += freetable_len(&e->freetable);
+ break;
+ }
+ }
+
+ mem = malloc(len);
+ /* Now populate our header, cribbing from a real TDB header. */
+ tdb = tdb_open(NULL, TDB_INTERNAL, O_RDWR, 0, NULL);
+ hdr = (void *)mem;
+ *hdr = tdb->header;
+ hdr->v.generation++;
+ hdr->v.num_zones = layout->elem[layout->ftable].freetable.num_zones;
+ hdr->v.zone_bits = layout->elem[layout->ftable].freetable.zone_bits;
+ hdr->v.free_buckets
+ = layout->elem[layout->ftable].freetable.num_buckets;
+ hdr->v.free_off = layout->elem[layout->ftable].base.off
+ + sizeof(struct tdb_used_record);
+ hdr->v.hash_bits = layout->elem[layout->htable].hashtable.hash_bits;
+ hdr->v.hash_off = layout->elem[layout->htable].base.off
+ + sizeof(struct tdb_used_record);
+
+ /* Mug the tdb we have to make it use this. */
+ free(tdb->map_ptr);
+ tdb->map_ptr = mem;
+ tdb->map_size = len;
+ header_changed(tdb);
+
+ for (i = 0; i < layout->num_elems; i++) {
+ union tdb_layout_elem *e = &layout->elem[i];
+ switch (e->base.type) {
+ case FREE:
+ set_free_record(mem + e->base.off, e->free.len);
+ break;
+ case DATA:
+ set_data_record(mem + e->base.off, tdb, &e->used);
+ break;
+ case HASHTABLE:
+ set_hashtable(mem + e->base.off, tdb, &e->hashtable);
+ break;
+ case FREETABLE:
+ set_freetable(mem + e->base.off, tdb, &e->freetable);
+ break;
+ }
+ }
+
+ /* Now fill the free and hash tables. */
+ for (i = 0; i < layout->num_elems; i++) {
+ union tdb_layout_elem *e = &layout->elem[i];
+ switch (e->base.type) {
+ case FREE:
+ add_to_freetable(tdb, e->base.off, e->free.len);
+ break;
+ case DATA:
+ add_to_hashtable(tdb, e->base.off, e->used.key);
+ break;
+ default:
+ break;
+ }
+ }
+
+ return tdb;
+}
--- /dev/null
+#ifndef TDB2_TEST_LAYOUT_H
+#define TDB2_TEST_LAYOUT_H
+#include <ccan/tdb2/private.h>
+
+struct tdb_layout *new_tdb_layout(void);
+void tdb_layout_add_free(struct tdb_layout *layout, tdb_len_t len);
+void tdb_layout_add_used(struct tdb_layout *layout,
+ TDB_DATA key, TDB_DATA data,
+ tdb_len_t extra);
+void tdb_layout_add_hashtable(struct tdb_layout *layout,
+ unsigned int hash_bits,
+ tdb_len_t extra);
+void tdb_layout_add_freetable(struct tdb_layout *layout,
+ unsigned int num_zones,
+ unsigned int zone_bits,
+ unsigned int num_buckets,
+ tdb_len_t extra);
+struct tdb_context *tdb_layout_get(struct tdb_layout *layout);
+
+enum layout_type {
+ FREE, DATA, HASHTABLE, FREETABLE,
+};
+
+/* Shared by all union members. */
+struct tle_base {
+ enum layout_type type;
+ tdb_off_t off;
+};
+
+struct tle_free {
+ struct tle_base base;
+ tdb_len_t len;
+};
+
+struct tle_used {
+ struct tle_base base;
+ TDB_DATA key;
+ TDB_DATA data;
+ tdb_len_t extra;
+};
+
+struct tle_hashtable {
+ struct tle_base base;
+ unsigned hash_bits;
+ tdb_len_t extra;
+};
+
+struct tle_freetable {
+ struct tle_base base;
+ unsigned int num_zones;
+ unsigned int zone_bits;
+ unsigned int num_buckets;
+ tdb_len_t extra;
+};
+
+union tdb_layout_elem {
+ struct tle_base base;
+ struct tle_free free;
+ struct tle_used used;
+ struct tle_freetable freetable;
+ struct tle_hashtable hashtable;
+};
+
+struct tdb_layout {
+ unsigned int num_elems;
+ union tdb_layout_elem *elem;
+ unsigned int ftable, htable;
+};
+#endif /* TDB2_TEST_LAYOUT_H */
--- /dev/null
+#include <ccan/tdb2/tdb.c>
+#include <ccan/tdb2/free.c>
+#include <ccan/tdb2/lock.c>
+#include <ccan/tdb2/io.c>
+#include <ccan/tdb2/check.c>
+#include <ccan/tap/tap.h>
+#include "logging.h"
+#include "layout.h"
+
+static tdb_len_t free_record_length(struct tdb_context *tdb, tdb_off_t off)
+{
+ struct tdb_free_record f;
+
+ if (tdb_read_convert(tdb, off, &f, sizeof(f)) != 0)
+ return TDB_OFF_ERR;
+ if (f.magic != TDB_FREE_MAGIC)
+ return TDB_OFF_ERR;
+ return f.data_len;
+}
+
+int main(int argc, char *argv[])
+{
+ tdb_off_t list;
+ struct tdb_context *tdb;
+ struct tdb_layout *layout;
+ struct tdb_data data, key;
+ tdb_len_t total;
+ unsigned int i;
+
+ /* FIXME: Test TDB_CONVERT */
+
+ plan_tests(62);
+ data.dptr = (void *)"world";
+ data.dsize = 5;
+ key.dptr = (void *)"hello";
+ key.dsize = 5;
+
+ /* No coalescing can be done due to EOF */
+ layout = new_tdb_layout();
+ tdb_layout_add_hashtable(layout, 12, 0);
+ tdb_layout_add_freetable(layout, 1, 16, 12, 0);
+ tdb_layout_add_free(layout, 1024);
+ tdb = tdb_layout_get(layout);
+ tdb->log = tap_log_fn;
+ ok1(tdb_check(tdb, NULL, NULL) == 0);
+ ok1(free_record_length(tdb, layout->elem[2].base.off) == 1024);
+
+ /* Figure out which list free entry is. */
+ list = size_to_bucket(tdb, 1024);
+ /* Lock and fail to coalesce. */
+ ok1(tdb_lock_list(tdb, 0, F_WRLCK, TDB_LOCK_WAIT) == 0);
+ ok1(tdb_lock_free_list(tdb, list, TDB_LOCK_WAIT) == 0);
+ ok1(coalesce(tdb, layout->elem[2].base.off, list, 1024) == 0);
+ tdb_unlock_free_list(tdb, list);
+ tdb_unlock_list(tdb, 0, F_WRLCK);
+ ok1(free_record_length(tdb, layout->elem[2].base.off) == 1024);
+ ok1(tdb_check(tdb, NULL, NULL) == 0);
+ tdb_close(tdb);
+
+ /* No coalescing can be done due to used record */
+ layout = new_tdb_layout();
+ tdb_layout_add_hashtable(layout, 12, 0);
+ tdb_layout_add_freetable(layout, 1, 16, 12, 0);
+ tdb_layout_add_free(layout, 1024);
+ tdb_layout_add_used(layout, key, data, 6);
+ tdb = tdb_layout_get(layout);
+ tdb->log = tap_log_fn;
+ ok1(free_record_length(tdb, layout->elem[2].base.off) == 1024);
+ ok1(tdb_check(tdb, NULL, NULL) == 0);
+
+ /* Figure out which list free entry is. */
+ list = size_to_bucket(tdb, 1024);
+ /* Lock and fail to coalesce. */
+ ok1(tdb_lock_list(tdb, 0, F_WRLCK, TDB_LOCK_WAIT) == 0);
+ ok1(tdb_lock_free_list(tdb, list, TDB_LOCK_WAIT) == 0);
+ ok1(coalesce(tdb, layout->elem[2].base.off, list, 1024) == 0);
+ tdb_unlock_free_list(tdb, list);
+ tdb_unlock_list(tdb, 0, F_WRLCK);
+ ok1(free_record_length(tdb, layout->elem[2].base.off) == 1024);
+ ok1(tdb_check(tdb, NULL, NULL) == 0);
+ tdb_close(tdb);
+
+ /* Coalescing can be done due to two free records, then EOF */
+ layout = new_tdb_layout();
+ tdb_layout_add_hashtable(layout, 12, 0);
+ tdb_layout_add_freetable(layout, 1, 16, 12, 0);
+ tdb_layout_add_free(layout, 1024);
+ tdb_layout_add_free(layout, 512);
+ tdb = tdb_layout_get(layout);
+ tdb->log = tap_log_fn;
+ ok1(free_record_length(tdb, layout->elem[2].base.off) == 1024);
+ ok1(free_record_length(tdb, layout->elem[3].base.off) == 512);
+ ok1(tdb_check(tdb, NULL, NULL) == 0);
+
+ /* Figure out which list free entry is. */
+ list = size_to_bucket(tdb, 1024);
+ /* Lock and coalesce. */
+ ok1(tdb_lock_list(tdb, 0, F_WRLCK, TDB_LOCK_WAIT) == 0);
+ ok1(tdb_lock_free_list(tdb, list, TDB_LOCK_WAIT) == 0);
+ ok1(coalesce(tdb, layout->elem[2].base.off, list, 1024) == 1);
+ tdb_unlock_list(tdb, 0, F_WRLCK);
+ ok1(!tdb_has_locks(tdb));
+ ok1(free_record_length(tdb, layout->elem[2].base.off)
+ == 1024 + sizeof(struct tdb_used_record) + 512);
+ ok1(tdb_check(tdb, NULL, NULL) == 0);
+ tdb_close(tdb);
+
+ /* Coalescing can be done due to two free records, then data */
+ layout = new_tdb_layout();
+ tdb_layout_add_hashtable(layout, 12, 0);
+ tdb_layout_add_freetable(layout, 1, 16, 12, 0);
+ tdb_layout_add_free(layout, 1024);
+ tdb_layout_add_free(layout, 512);
+ tdb_layout_add_used(layout, key, data, 6);
+ tdb = tdb_layout_get(layout);
+ tdb->log = tap_log_fn;
+ ok1(free_record_length(tdb, layout->elem[2].base.off) == 1024);
+ ok1(free_record_length(tdb, layout->elem[3].base.off) == 512);
+ ok1(tdb_check(tdb, NULL, NULL) == 0);
+
+ /* Figure out which list free entry is. */
+ list = size_to_bucket(tdb, 1024);
+ /* Lock and coalesce. */
+ ok1(tdb_lock_list(tdb, 0, F_WRLCK, TDB_LOCK_WAIT) == 0);
+ ok1(tdb_lock_free_list(tdb, list, TDB_LOCK_WAIT) == 0);
+ ok1(coalesce(tdb, layout->elem[2].base.off, list, 1024) == 1);
+ tdb_unlock_list(tdb, 0, F_WRLCK);
+ ok1(!tdb_has_locks(tdb));
+ ok1(free_record_length(tdb, layout->elem[2].base.off)
+ == 1024 + sizeof(struct tdb_used_record) + 512);
+ ok1(tdb_check(tdb, NULL, NULL) == 0);
+ tdb_close(tdb);
+
+ /* Coalescing can be done due to three free records, then EOF */
+ layout = new_tdb_layout();
+ tdb_layout_add_hashtable(layout, 12, 0);
+ tdb_layout_add_freetable(layout, 1, 16, 12, 0);
+ tdb_layout_add_free(layout, 1024);
+ tdb_layout_add_free(layout, 512);
+ tdb_layout_add_free(layout, 32);
+ tdb = tdb_layout_get(layout);
+ tdb->log = tap_log_fn;
+ ok1(free_record_length(tdb, layout->elem[2].base.off) == 1024);
+ ok1(free_record_length(tdb, layout->elem[3].base.off) == 512);
+ ok1(free_record_length(tdb, layout->elem[4].base.off) == 32);
+ ok1(tdb_check(tdb, NULL, NULL) == 0);
+
+ /* Figure out which list free entry is. */
+ list = size_to_bucket(tdb, 1024);
+ /* Lock and coalesce. */
+ ok1(tdb_lock_list(tdb, 0, F_WRLCK, TDB_LOCK_WAIT) == 0);
+ ok1(tdb_lock_free_list(tdb, list, TDB_LOCK_WAIT) == 0);
+ ok1(coalesce(tdb, layout->elem[2].base.off, list, 1024) == 1);
+ tdb_unlock_list(tdb, 0, F_WRLCK);
+ ok1(!tdb_has_locks(tdb));
+ ok1(free_record_length(tdb, layout->elem[2].base.off)
+ == 1024 + sizeof(struct tdb_used_record) + 512
+ + sizeof(struct tdb_used_record) + 32);
+ ok1(tdb_check(tdb, NULL, NULL) == 0);
+ tdb_close(tdb);
+
+ /* Coalescing across two zones. */
+ layout = new_tdb_layout();
+ tdb_layout_add_hashtable(layout, 12, 0);
+ tdb_layout_add_freetable(layout, 2, 16, 12, 0);
+ tdb_layout_add_free(layout, 32768);
+ tdb_layout_add_free(layout, 30000);
+ tdb = tdb_layout_get(layout);
+ tdb->log = tap_log_fn;
+ ok1(free_record_length(tdb, layout->elem[2].base.off) == 32768);
+ ok1(zone_of(tdb, layout->elem[2].base.off) == 0);
+ ok1(free_record_length(tdb, layout->elem[3].base.off) == 30000);
+ ok1(zone_of(tdb, layout->elem[3].base.off) == 1);
+ ok1(tdb_check(tdb, NULL, NULL) == 0);
+
+ /* Figure out which list free entry is. */
+ list = size_to_bucket(tdb, 32768);
+ /* Lock and coalesce. */
+ ok1(tdb_lock_list(tdb, 0, F_WRLCK, TDB_LOCK_WAIT) == 0);
+ ok1(tdb_lock_free_list(tdb, list, TDB_LOCK_WAIT) == 0);
+ ok1(coalesce(tdb, layout->elem[2].base.off, list, 32768) == 1);
+ tdb_unlock_list(tdb, 0, F_WRLCK);
+ ok1(!tdb_has_locks(tdb));
+ ok1(free_record_length(tdb, layout->elem[2].base.off)
+ == 32768 + sizeof(struct tdb_used_record) + 30000);
+ ok1(tdb_check(tdb, NULL, NULL) == 0);
+ tdb_close(tdb);
+
+ /* Coalescing many across many zones. */
+ layout = new_tdb_layout();
+ tdb_layout_add_hashtable(layout, 12, 0);
+ tdb_layout_add_freetable(layout, 8, 16, 12, 0);
+ total = 0;
+ for (i = 4; i < 16; i++) {
+ tdb_layout_add_free(layout, 1 << i);
+ total += sizeof(struct tdb_used_record) + (1 << i);
+ }
+ total -= sizeof(struct tdb_used_record);
+ tdb = tdb_layout_get(layout);
+ tdb->log = tap_log_fn;
+ ok1(free_record_length(tdb, layout->elem[2].base.off) == 1 << 4);
+ ok1(tdb_check(tdb, NULL, NULL) == 0);
+
+ /* Figure out which list free entry is. */
+ list = size_to_bucket(tdb, 1 << 4);
+ /* Lock and coalesce. */
+ ok1(tdb_lock_list(tdb, 0, F_WRLCK, TDB_LOCK_WAIT) == 0);
+ ok1(tdb_lock_free_list(tdb, list, TDB_LOCK_WAIT) == 0);
+ ok1(coalesce(tdb, layout->elem[2].base.off, list, 1 << 4) == 1);
+ tdb_unlock_list(tdb, 0, F_WRLCK);
+ ok1(!tdb_has_locks(tdb));
+ ok1(free_record_length(tdb, layout->elem[2].base.off) == total);
+ ok1(tdb_check(tdb, NULL, NULL) == 0);
+ tdb_close(tdb);
+
+ ok1(tap_log_messages == 0);
+ return exit_status();
+}
--- /dev/null
+#include <ccan/tdb2/tdb.c>
+#include <ccan/tdb2/free.c>
+#include <ccan/tdb2/lock.c>
+#include <ccan/tdb2/io.c>
+#include <ccan/tdb2/check.c>
+#include <ccan/tap/tap.h>
+#include "logging.h"
+
+#define MAX_SIZE 10000
+#define SIZE_STEP 131
+
+int main(int argc, char *argv[])
+{
+ unsigned int i;
+ struct tdb_context *tdb;
+ int flags[] = { TDB_INTERNAL, TDB_DEFAULT,
+ TDB_INTERNAL|TDB_CONVERT, TDB_CONVERT };
+ struct tdb_data key = { (unsigned char *)"key", 3 };
+ struct tdb_data data;
+
+ data.dptr = malloc(MAX_SIZE);
+ memset(data.dptr, 0x24, MAX_SIZE);
+
+ plan_tests(sizeof(flags) / sizeof(flags[0])
+ * (3 + (1 + (MAX_SIZE/SIZE_STEP)) * 2) + 1);
+ for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
+ tdb = tdb_open("/tmp/run-new_database.tdb", flags[i],
+ O_RDWR|O_CREAT|O_TRUNC, 0600, NULL);
+ tdb->log = tap_log_fn;
+ ok1(tdb);
+ if (!tdb)
+ continue;
+
+ data.dsize = 0;
+ ok1(tdb_store(tdb, key, data, TDB_INSERT) == 0);
+ ok1(tdb_check(tdb, NULL, NULL) == 0);
+ for (data.dsize = 0;
+ data.dsize < MAX_SIZE;
+ data.dsize += SIZE_STEP) {
+ memset(data.dptr, data.dsize, data.dsize);
+ ok1(tdb_store(tdb, key, data, TDB_MODIFY) == 0);
+ ok1(tdb_check(tdb, NULL, NULL) == 0);
+ }
+ tdb_close(tdb);
+ }
+ ok1(tap_log_messages == 0);
+ return exit_status();
+}
projects / ccan / commitdiff