/** Closes the Database. */
void close(uint32_t flags = 0) {
if (!m_db)
return;
// disable auto-cleanup; all objects will be destroyed when
// going out of scope
flags &= ~UPS_AUTO_CLEANUP;
ups_status_t st = ups_db_close(m_db, flags);
m_db = 0;
if (st)
throw error(st);
}
int
main(int argc, char **argv) {
int i;
ups_status_t st; /* status variable */
ups_env_t *env; /* upscaledb Environment object */
ups_db_t *db; /* upscaledb Database object */
ups_key_t key = {0}; /* the structure for a key */
ups_record_t record = {0}; /* the structure for a record */
/*
* Connect to the server which should listen at 8080. The server is
* implemented in server1.c.
*/
st = ups_env_create(&env, "ups://localhost:8080/env1.db", 0, 0, 0);
if (st != UPS_SUCCESS)
error("ups_env_create", st);
/* now open a Database in this Environment */
st = ups_env_open_db(env, &db, 13, 0, 0);
if (st != UPS_SUCCESS)
error("ups_env_open_db", st);
/* now we can insert, delete or lookup values in the database */
for (i = 0; i < LOOP; i++) {
key.data = &i;
key.size = sizeof(i);
record.size = key.size;
record.data = key.data;
st = ups_db_insert(db, 0, &key, &record, 0);
if (st != UPS_SUCCESS)
error("ups_db_insert", st);
}
/* now lookup all values */
for (i = 0; i < LOOP; i++) {
key.data = &i;
key.size = sizeof(i);
st = ups_db_find(db, 0, &key, &record, 0);
if (st != UPS_SUCCESS)
error("ups_db_find", st);
/* check if the value is ok */
if (*(int *)record.data != i) {
printf("ups_db_find() ok, but returned bad value\n");
return (-1);
}
}
/* erase everything */
for (i = 0; i < LOOP; i++) {
key.data = &i;
key.size = sizeof(i);
st = ups_db_erase(db, 0, &key, 0);
if (st != UPS_SUCCESS)
error("ups_db_erase", st);
}
/* and make sure that the database is empty */
for (i = 0; i < LOOP; i++) {
key.data = &i;
key.size = sizeof(i);
st = ups_db_find(db, 0, &key, &record, 0);
if (st != UPS_KEY_NOT_FOUND)
error("ups_db_find", st);
}
/* close the database handle */
st = ups_db_close(db, 0);
if (st != UPS_SUCCESS)
error("ups_db_close", st);
/* close the environment handle */
st = ups_env_close(env, 0);
if (st != UPS_SUCCESS)
error("ups_env_close", st);
printf("success!\n");
return (0);
}