void Config::_loadFromDB()
{
Mysql sql;
if (!connectDb(sql)) {
printf("Cannot connect to db, check db parameters\n");
throw std::exception();
}
enum EServerFlds
{
FLD_IP,
FLD_PORT,
FLD_STATUS
};
auto res = sql.query(sql.createQuery() << "SELECT ip, port, status FROM storage WHERE id=" << ESC << _serverID);
if (!res || !res->next()) {
printf("Cannot get information about %u storage\n", _serverID);
throw std::exception();
}
_listenIp = res->get<decltype(_listenIp)>(FLD_IP);
_port = res->get<decltype(_port)>(FLD_PORT);
_storageStatus = res->get<decltype(_storageStatus)>(FLD_STATUS);
if (!(_storageStatus & ST_STORAGE_ACTIVE)) {
printf("Cannot load an inactive storage %u\n", _serverID);
throw std::exception();
}
}
void *Mysql_create(char *host, char *user, char *pass, char *db) {
MYSQL *con = mysql_init(NULL);
if (con == NULL) {
fprintf(stderr, "%s\n", mysql_error(con));
exit(1);
}
Mysql proto = { .host = host, .user = user, .pass = pass, .db = db, .con =
con, .init = Mysql_init, .query = Mysql_query, .printResults =
Mysql_results, .close = Mysql_close };
Mysql *m = calloc(1, sizeof(Mysql));
*m = proto;
if (mysql_real_connect(m->con, host, user, pass, db, 0, NULL, 0) == NULL) {
finish_with_error(m);
}
if (!m->init(m)) {
// looks like it didn't initialize properly
m->close(m);
return NULL;
} else {
// all done, we made an object of any type
return m;
}
}
std::vector<Song> Song::getAllSongs_noBell() {
Mysql db;
MYSQL_RES* res = db.query("SELECT id FROM song WHERE id > 16");
MYSQL_ROW row;
std::vector<Song> rtr;
while (row = db.next_res(res)) {
Song s(db.stringInt(row[0]));
rtr.push_back(s);
}
db.free_res(res);
return rtr;
}
