6 /* A trigger that sets a flag whenever it's trigged. */
7 class FlagTrigger : pqxx::trigger {
12 FlagTrigger(pqxx::connection_base &conn, const PGSTD::string &name)
13 : pqxx::trigger(conn, name), flag(false) {}
14 virtual ~FlagTrigger() throw () {}
16 virtual void operator() (int pid)
19 std::fprintf(stderr, "Received a flag trigger from pid %u\n", pid);
33 void main_loop(pqxx::connection &conn)
35 pqxx::work t(conn, "trx");
38 pqxx::result res( t.exec("SELECT * FROM songs") );
39 for (pqxx::result::const_iterator i = res.begin(); i != res.end(); ++i) {
40 // std::fprintf(stderr, "%s\n", i["title"].c_str());
47 int main(int argc, char **argv)
49 GLWindow glw("CCBS bigscreen", 800, 600, 32, false, 16, -1);
51 pqxx::connection conn("dbname=ccbs host=altersex.samfundet.no user=ccbs password=GeT|>>B_");
52 FlagTrigger tournament_changed(conn, "active_tournament");
54 // when active_tournament is changed, we destroy everything and start from scratch
56 tournament_changed.reset_flag();
60 } while (!tournament_changed.get_flag());
61 std::fprintf(stderr, "active_tournament changed, resetting...\n");
63 } catch (const std::exception &e) {
64 std::fprintf(stderr, "Exception: %s\n", e.what());