static DB_ENV *dict_db_new_env(const char *db_path)
{
VSTRING *db_home_buf;
DB_ENV *dbenv;
u_int32_t cache_size_gbytes;
u_int32_t cache_size_bytes;
int ncache;
if ((errno = db_env_create(&dbenv, 0)) != 0)
msg_fatal("create DB environment: %m");
#if DB_VERSION_MAJOR > 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 7)
if ((errno = dbenv->get_cachesize(dbenv, &cache_size_gbytes,
&cache_size_bytes, &ncache)) != 0)
msg_fatal("get DB cache size: %m");
if (cache_size_gbytes == 0 && cache_size_bytes < dict_db_cache_size) {
if ((errno = dbenv->set_cache_max(dbenv, cache_size_gbytes,
dict_db_cache_size)) != 0)
msg_fatal("set DB max cache size %d: %m", dict_db_cache_size);
if ((errno = dbenv->set_cachesize(dbenv, cache_size_gbytes,
dict_db_cache_size, ncache)) != 0)
msg_fatal("set DB cache size %d: %m", dict_db_cache_size);
}
#endif
/* XXX db_home is also the default directory for the .db file. */
db_home_buf = vstring_alloc(100);
if ((errno = dbenv->open(dbenv, sane_dirname(db_home_buf, db_path),
DB_INIT_MPOOL | DB_CREATE | DB_PRIVATE, 0)) != 0)
msg_fatal("open DB environment: %m");
vstring_free(db_home_buf);
return (dbenv);
}
int TestSetCachesize(CuTest *ct) {
DB_ENV *dbenv;
int ncache;
u_int32_t a, b;
dbenv = NULL;
/* cache size: NOT reset at run-time. */
ENV
CuAssertTrue(ct, dbenv->set_cachesize(dbenv, 1, 131072, 3) == 0);
CuAssertTrue(ct, dbenv->open(dbenv,
TEST_ENV, DB_CREATE | DB_INIT_MPOOL, 0666) == 0);
CuAssertTrue(ct, dbenv->get_cachesize(dbenv, &a, &b, &ncache) == 0);
CuAssertTrue(ct, dbenv->get_cachesize(dbenv, &a, &b, &ncache) == 0);
CuAssertTrue(ct, a == 1 && b == 131072 && ncache == 3);
ENV
CuAssertTrue(ct, dbenv->set_cachesize(dbenv, 2, 262144, 1) == 0);
CuAssertTrue(ct, dbenv->open(dbenv, TEST_ENV, DB_JOINENV, 0666) == 0);
CuAssertTrue(ct, dbenv->get_cachesize(dbenv, &a, &b, &ncache) == 0);
CuAssertTrue(ct, a == 1 && b == 131072 && ncache == 3);
return (0);
}
int
main()
{
const u_int8_t *lk_conflicts;
DB_ENV *dbenv;
db_timeout_t timeout;
u_int32_t a, b, v;
int lk_modes, ncache, nmodes;
u_int8_t conflicts[40];
dbenv = NULL;
/* tx_max: NOT reset at run-time. */
system("rm -rf TESTDIR; mkdir TESTDIR");
ENV
assert(dbenv->set_tx_max(dbenv, 37) == 0);
assert(dbenv->open(dbenv,
"TESTDIR", DB_CREATE | DB_INIT_TXN, 0666) == 0);
assert(dbenv->get_tx_max(dbenv, &v) == 0);
assert(v == 37);
ENV
assert(dbenv->set_tx_max(dbenv, 63) == 0);
assert(dbenv->open(dbenv, "TESTDIR", DB_JOINENV, 0666) == 0);
assert(dbenv->get_tx_max(dbenv, &v) == 0);
assert(v == 37);
/* lg_max: reset at run-time. */
system("rm -rf TESTDIR; mkdir TESTDIR");
ENV
assert(dbenv->set_lg_max(dbenv, 37 * 1024 * 1024) == 0);
assert(dbenv->open(dbenv,
"TESTDIR", DB_CREATE | DB_INIT_LOG, 0666) == 0);
assert(dbenv->get_lg_max(dbenv, &v) == 0);
assert(v == 37 * 1024 * 1024);
ENV
assert(dbenv->set_lg_max(dbenv, 63 * 1024 * 1024) == 0);
assert(dbenv->open(dbenv, "TESTDIR", DB_JOINENV, 0666) == 0);
assert(dbenv->get_lg_max(dbenv, &v) == 0);
assert(v == 63 * 1024 * 1024);
/* lg_bsize: NOT reset at run-time. */
system("rm -rf TESTDIR; mkdir TESTDIR");
ENV
assert(dbenv->set_lg_bsize(dbenv, 37 * 1024) == 0);
assert(dbenv->open(dbenv,
"TESTDIR", DB_CREATE | DB_INIT_LOG, 0666) == 0);
assert(dbenv->get_lg_bsize(dbenv, &v) == 0);
assert(v == 37 * 1024);
ENV
assert(dbenv->set_lg_bsize(dbenv, 63 * 1024) == 0);
assert(dbenv->open(dbenv, "TESTDIR", DB_JOINENV, 0666) == 0);
assert(dbenv->get_lg_bsize(dbenv, &v) == 0);
assert(v == 37 * 1024);
/* lg_regionmax: NOT reset at run-time. */
system("rm -rf TESTDIR; mkdir TESTDIR");
ENV
assert(dbenv->set_lg_regionmax(dbenv, 137 * 1024) == 0);
assert(dbenv->open(dbenv,
"TESTDIR", DB_CREATE | DB_INIT_LOG, 0666) == 0);
assert(dbenv->get_lg_regionmax(dbenv, &v) == 0);
assert(v == 137 * 1024);
ENV
assert(dbenv->set_lg_regionmax(dbenv, 163 * 1024) == 0);
assert(dbenv->open(dbenv, "TESTDIR", DB_JOINENV, 0666) == 0);
assert(dbenv->get_lg_regionmax(dbenv, &v) == 0);
assert(v == 137 * 1024);
/* lk_get_lk_conflicts: NOT reset at run-time. */
system("rm -rf TESTDIR; mkdir TESTDIR");
ENV
memset(conflicts, 'a', sizeof(conflicts));
nmodes = 6;
assert(dbenv->set_lk_conflicts(dbenv, conflicts, nmodes) == 0);
assert(dbenv->open(dbenv,
"TESTDIR", DB_CREATE | DB_INIT_LOCK, 0666) == 0);
assert(dbenv->get_lk_conflicts(dbenv, &lk_conflicts, &lk_modes) == 0);
assert(lk_conflicts[0] == 'a');
assert(lk_modes == 6);
ENV
memset(conflicts, 'b', sizeof(conflicts));
nmodes = 8;
assert(dbenv->set_lk_conflicts(dbenv, conflicts, nmodes) == 0);
assert(dbenv->open(dbenv, "TESTDIR", DB_JOINENV, 0666) == 0);
assert(dbenv->get_lk_conflicts(dbenv, &lk_conflicts, &lk_modes) == 0);
assert(lk_conflicts[0] == 'a');
assert(lk_modes == 6);
/* lk_detect: NOT reset at run-time. */
system("rm -rf TESTDIR; mkdir TESTDIR");
ENV
assert(dbenv->set_lk_detect(dbenv, DB_LOCK_MAXLOCKS) == 0);
assert(dbenv->open(dbenv,
"TESTDIR", DB_CREATE | DB_INIT_LOCK, 0666) == 0);
assert(dbenv->get_lk_detect(dbenv, &v) == 0);
assert(v == DB_LOCK_MAXLOCKS);
ENV
assert(dbenv->set_lk_detect(dbenv, DB_LOCK_DEFAULT) == 0);
assert(dbenv->open(dbenv, "TESTDIR", DB_JOINENV, 0666) == 0);
assert(dbenv->get_lk_detect(dbenv, &v) == 0);
assert(v == DB_LOCK_MAXLOCKS);
/* lk_max_locks: NOT reset at run-time. */
system("rm -rf TESTDIR; mkdir TESTDIR");
ENV
assert(dbenv->set_lk_max_locks(dbenv, 37) == 0);
assert(dbenv->open(dbenv,
"TESTDIR", DB_CREATE | DB_INIT_LOCK, 0666) == 0);
assert(dbenv->get_lk_max_locks(dbenv, &v) == 0);
assert(v == 37);
ENV
assert(dbenv->set_lk_max_locks(dbenv, 63) == 0);
assert(dbenv->open(dbenv, "TESTDIR", DB_JOINENV, 0666) == 0);
assert(dbenv->get_lk_max_locks(dbenv, &v) == 0);
assert(v == 37);
/* lk_max_lockers: NOT reset at run-time. */
system("rm -rf TESTDIR; mkdir TESTDIR");
ENV
assert(dbenv->set_lk_max_lockers(dbenv, 37) == 0);
assert(dbenv->open(dbenv,
"TESTDIR", DB_CREATE | DB_INIT_LOCK, 0666) == 0);
assert(dbenv->get_lk_max_lockers(dbenv, &v) == 0);
assert(v == 37);
ENV
assert(dbenv->set_lk_max_lockers(dbenv, 63) == 0);
assert(dbenv->open(dbenv, "TESTDIR", DB_JOINENV, 0666) == 0);
assert(dbenv->get_lk_max_lockers(dbenv, &v) == 0);
assert(v == 37);
/* lk_max_objects: NOT reset at run-time. */
system("rm -rf TESTDIR; mkdir TESTDIR");
ENV
assert(dbenv->set_lk_max_objects(dbenv, 37) == 0);
assert(dbenv->open(dbenv,
"TESTDIR", DB_CREATE | DB_INIT_LOCK, 0666) == 0);
assert(dbenv->get_lk_max_objects(dbenv, &v) == 0);
assert(v == 37);
ENV
assert(dbenv->set_lk_max_objects(dbenv, 63) == 0);
assert(dbenv->open(dbenv, "TESTDIR", DB_JOINENV, 0666) == 0);
assert(dbenv->get_lk_max_objects(dbenv, &v) == 0);
assert(v == 37);
/* lock timeout: reset at run-time. */
system("rm -rf TESTDIR; mkdir TESTDIR");
ENV
assert(dbenv->set_timeout(dbenv, 37, DB_SET_LOCK_TIMEOUT) == 0);
assert(dbenv->open(dbenv,
"TESTDIR", DB_CREATE | DB_INIT_LOCK, 0666) == 0);
assert(dbenv->get_timeout(dbenv, &timeout, DB_SET_LOCK_TIMEOUT) == 0);
assert(timeout == 37);
ENV
assert(dbenv->set_timeout(dbenv, 63, DB_SET_LOCK_TIMEOUT) == 0);
assert(dbenv->open(dbenv, "TESTDIR", DB_JOINENV, 0666) == 0);
assert(dbenv->get_timeout(dbenv, &timeout, DB_SET_LOCK_TIMEOUT) == 0);
assert(timeout == 63);
/* txn timeout: reset at run-time. */
system("rm -rf TESTDIR; mkdir TESTDIR");
ENV
assert(dbenv->set_timeout(dbenv, 37, DB_SET_TXN_TIMEOUT) == 0);
assert(dbenv->open(dbenv,
"TESTDIR", DB_CREATE | DB_INIT_LOCK, 0666) == 0);
assert(dbenv->get_timeout(dbenv, &timeout, DB_SET_TXN_TIMEOUT) == 0);
assert(timeout == 37);
ENV
assert(dbenv->set_timeout(dbenv, 63, DB_SET_TXN_TIMEOUT) == 0);
assert(dbenv->open(dbenv, "TESTDIR", DB_JOINENV, 0666) == 0);
assert(dbenv->get_timeout(dbenv, &timeout, DB_SET_TXN_TIMEOUT) == 0);
assert(timeout == 63);
/* cache size: NOT reset at run-time. */
system("rm -rf TESTDIR; mkdir TESTDIR");
ENV
assert(dbenv->set_cachesize(dbenv, 1, 131072, 3) == 0);
assert(dbenv->open(dbenv,
"TESTDIR", DB_CREATE | DB_INIT_MPOOL, 0666) == 0);
assert(dbenv->get_cachesize(dbenv, &a, &b, &ncache) == 0);
assert(dbenv->get_cachesize(dbenv, &a, &b, &ncache) == 0);
assert(a == 1 && b == 131072 && ncache == 3);
ENV
assert(dbenv->set_cachesize(dbenv, 2, 262144, 1) == 0);
assert(dbenv->open(dbenv, "TESTDIR", DB_JOINENV, 0666) == 0);
assert(dbenv->get_cachesize(dbenv, &a, &b, &ncache) == 0);
assert(a == 1 && b == 131072 && ncache == 3);
return (0);
}
