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#include "tdb2-source.h"
#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;
enum TDB_ERROR ecode;
ecode = tdb_read_convert(tdb, off, &f, sizeof(f));
if (ecode != TDB_SUCCESS)
return ecode;
if (frec_magic(&f) != TDB_FREE_MAGIC)
return TDB_ERR_CORRUPT;
return frec_len(&f);
}
int main(int argc, char *argv[])
{
tdb_off_t b_off, test;
struct tdb_context *tdb;
struct tdb_layout *layout;
struct tdb_data data, key;
tdb_len_t len;
/* FIXME: Test TDB_CONVERT */
/* FIXME: Test lock order fail. */
plan_tests(42);
data = tdb_mkdata("world", 5);
key = tdb_mkdata("hello", 5);
/* No coalescing can be done due to EOF */
layout = new_tdb_layout();
tdb_layout_add_freetable(layout);
len = 1024;
tdb_layout_add_free(layout, len, 0);
tdb_layout_write(layout, free, &tap_log_attr, "run-03-coalesce.tdb");
/* NOMMAP is for lockcheck. */
tdb = tdb_open("run-03-coalesce.tdb", TDB_NOMMAP, O_RDWR, 0,
&tap_log_attr);
ok1(tdb_check(tdb, NULL, NULL) == 0);
ok1(free_record_length(tdb, layout->elem[1].base.off) == len);
/* Figure out which bucket free entry is. */
b_off = bucket_off(tdb->tdb2.ftable_off, size_to_bucket(len));
/* Lock and fail to coalesce. */
ok1(tdb_lock_free_bucket(tdb, b_off, TDB_LOCK_WAIT) == 0);
test = layout->elem[1].base.off;
ok1(coalesce(tdb, layout->elem[1].base.off, b_off, len, &test)
== 0);
tdb_unlock_free_bucket(tdb, b_off);
ok1(free_record_length(tdb, layout->elem[1].base.off) == len);
ok1(test == layout->elem[1].base.off);
ok1(tdb_check(tdb, NULL, NULL) == 0);
tdb_close(tdb);
tdb_layout_free(layout);
/* No coalescing can be done due to used record */
layout = new_tdb_layout();
tdb_layout_add_freetable(layout);
tdb_layout_add_free(layout, 1024, 0);
tdb_layout_add_used(layout, key, data, 6);
tdb_layout_write(layout, free, &tap_log_attr, "run-03-coalesce.tdb");
/* NOMMAP is for lockcheck. */
tdb = tdb_open("run-03-coalesce.tdb", TDB_NOMMAP, O_RDWR, 0,
&tap_log_attr);
ok1(free_record_length(tdb, layout->elem[1].base.off) == 1024);
ok1(tdb_check(tdb, NULL, NULL) == 0);
/* Figure out which bucket free entry is. */
b_off = bucket_off(tdb->tdb2.ftable_off, size_to_bucket(1024));
/* Lock and fail to coalesce. */
ok1(tdb_lock_free_bucket(tdb, b_off, TDB_LOCK_WAIT) == 0);
test = layout->elem[1].base.off;
ok1(coalesce(tdb, layout->elem[1].base.off, b_off, 1024, &test)
== 0);
tdb_unlock_free_bucket(tdb, b_off);
ok1(free_record_length(tdb, layout->elem[1].base.off) == 1024);
ok1(test == layout->elem[1].base.off);
ok1(tdb_check(tdb, NULL, NULL) == 0);
tdb_close(tdb);
tdb_layout_free(layout);
/* Coalescing can be done due to two free records, then EOF */
layout = new_tdb_layout();
tdb_layout_add_freetable(layout);
tdb_layout_add_free(layout, 1024, 0);
tdb_layout_add_free(layout, 2048, 0);
tdb_layout_write(layout, free, &tap_log_attr, "run-03-coalesce.tdb");
/* NOMMAP is for lockcheck. */
tdb = tdb_open("run-03-coalesce.tdb", TDB_NOMMAP, O_RDWR, 0,
&tap_log_attr);
ok1(free_record_length(tdb, layout->elem[1].base.off) == 1024);
ok1(free_record_length(tdb, layout->elem[2].base.off) == 2048);
ok1(tdb_check(tdb, NULL, NULL) == 0);
/* Figure out which bucket (first) free entry is. */
b_off = bucket_off(tdb->tdb2.ftable_off, size_to_bucket(1024));
/* Lock and coalesce. */
ok1(tdb_lock_free_bucket(tdb, b_off, TDB_LOCK_WAIT) == 0);
test = layout->elem[2].base.off;
ok1(coalesce(tdb, layout->elem[1].base.off, b_off, 1024, &test)
== 1024 + sizeof(struct tdb_used_record) + 2048);
/* Should tell us it's erased this one... */
ok1(test == TDB_ERR_NOEXIST);
ok1(tdb->file->allrecord_lock.count == 0 && tdb->file->num_lockrecs == 0);
ok1(free_record_length(tdb, layout->elem[1].base.off)
== 1024 + sizeof(struct tdb_used_record) + 2048);
ok1(tdb_check(tdb, NULL, NULL) == 0);
tdb_close(tdb);
tdb_layout_free(layout);
/* Coalescing can be done due to two free records, then data */
layout = new_tdb_layout();
tdb_layout_add_freetable(layout);
tdb_layout_add_free(layout, 1024, 0);
tdb_layout_add_free(layout, 512, 0);
tdb_layout_add_used(layout, key, data, 6);
tdb_layout_write(layout, free, &tap_log_attr, "run-03-coalesce.tdb");
/* NOMMAP is for lockcheck. */
tdb = tdb_open("run-03-coalesce.tdb", TDB_NOMMAP, O_RDWR, 0,
&tap_log_attr);
ok1(free_record_length(tdb, layout->elem[1].base.off) == 1024);
ok1(free_record_length(tdb, layout->elem[2].base.off) == 512);
ok1(tdb_check(tdb, NULL, NULL) == 0);
/* Figure out which bucket free entry is. */
b_off = bucket_off(tdb->tdb2.ftable_off, size_to_bucket(1024));
/* Lock and coalesce. */
ok1(tdb_lock_free_bucket(tdb, b_off, TDB_LOCK_WAIT) == 0);
test = layout->elem[2].base.off;
ok1(coalesce(tdb, layout->elem[1].base.off, b_off, 1024, &test)
== 1024 + sizeof(struct tdb_used_record) + 512);
ok1(tdb->file->allrecord_lock.count == 0 && tdb->file->num_lockrecs == 0);
ok1(free_record_length(tdb, layout->elem[1].base.off)
== 1024 + sizeof(struct tdb_used_record) + 512);
ok1(test == TDB_ERR_NOEXIST);
ok1(tdb_check(tdb, NULL, NULL) == 0);
tdb_close(tdb);
tdb_layout_free(layout);
/* Coalescing can be done due to three free records, then EOF */
layout = new_tdb_layout();
tdb_layout_add_freetable(layout);
tdb_layout_add_free(layout, 1024, 0);
tdb_layout_add_free(layout, 512, 0);
tdb_layout_add_free(layout, 256, 0);
tdb_layout_write(layout, free, &tap_log_attr, "run-03-coalesce.tdb");
/* NOMMAP is for lockcheck. */
tdb = tdb_open("run-03-coalesce.tdb", TDB_NOMMAP, O_RDWR, 0,
&tap_log_attr);
ok1(free_record_length(tdb, layout->elem[1].base.off) == 1024);
ok1(free_record_length(tdb, layout->elem[2].base.off) == 512);
ok1(free_record_length(tdb, layout->elem[3].base.off) == 256);
ok1(tdb_check(tdb, NULL, NULL) == 0);
/* Figure out which bucket free entry is. */
b_off = bucket_off(tdb->tdb2.ftable_off, size_to_bucket(1024));
/* Lock and coalesce. */
ok1(tdb_lock_free_bucket(tdb, b_off, TDB_LOCK_WAIT) == 0);
test = layout->elem[2].base.off;
ok1(coalesce(tdb, layout->elem[1].base.off, b_off, 1024, &test)
== 1024 + sizeof(struct tdb_used_record) + 512
+ sizeof(struct tdb_used_record) + 256);
ok1(tdb->file->allrecord_lock.count == 0
&& tdb->file->num_lockrecs == 0);
ok1(free_record_length(tdb, layout->elem[1].base.off)
== 1024 + sizeof(struct tdb_used_record) + 512
+ sizeof(struct tdb_used_record) + 256);
ok1(tdb_check(tdb, NULL, NULL) == 0);
tdb_close(tdb);
tdb_layout_free(layout);
ok1(tap_log_messages == 0);
return exit_status();
}
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