void mud_update(void)
{
static long creature_time = 0;
static long object_time = 0;
static long reset_time = 0;
static long mysql_time = 0;
static long mudtime_time = 0;
static long backup_time = 0;
static long heal_time = 0;
static long socket_time = 0;
if( ++socket_time % (LOOPS_PER_SECOND) == 0 )
socket_update();
if( ++heal_time % (LOOPS_PER_SECOND*5) == 0 )
heal_update();
if( ++creature_time % (LOOPS_PER_SECOND*60) == 0 )
creature_update();
if( ++object_time % (LOOPS_PER_SECOND) == 0 )
object_update();
if( ++reset_time % (LOOPS_PER_SECOND) == 0 )
reset_update();
if( ++mysql_time % (LOOPS_PER_SECOND*60*60) == 0 )
mudlog("Pinging mysql server == %s", mysql_ping(mysql) == 0 ? "Connected" : "Disconnected");
if( ++mudtime_time % (LOOPS_PER_SECOND) == 0 )
{
if(mudtime_time % (LOOPS_PER_SECOND*60*15) == 0) // 15 minutes
fwrite_time();
mudtime.age++;
}
if( ++backup_time % (LOOPS_PER_SECOND*60*60) == 0) // check at startup and every hour
backup_update();
}
// game boot up stuff
void init_mud(long hotreboot)
{
char buf[MAX_BUFFER];
MSOCKET *socket;
extern CREATURE *hash_creature[HASH_KEY];
extern OBJECT *hash_object[HASH_KEY];
extern ROOM *hash_room[HASH_KEY];
extern char **connect_attempts;
extern void backup_update();
#ifndef WIN32
struct itimerval itime;
struct timeval time;
#endif
extern char * const months[];
extern char * const days[];
long x;
for(x = 0; months[x]; x++) ;
mudtime.months = x;
for(x = 0; days[x]; x++) ;
mudtime.days = x;
// init hash tables
memset(hash_creature, 0,sizeof(hash_creature));
memset(hash_object, 0,sizeof(hash_object));
memset(hash_room, 0,sizeof(hash_room));
memset(hash_reset, 0,sizeof(hash_reset));
// set up process signals to catch and deal with
signal(SIGINT, signal_handler);
signal(SIGILL, signal_handler);
signal(SIGFPE, signal_handler);
signal(SIGSEGV, signal_handler);
signal(SIGPIPE, SIG_IGN); // ignore pipes! tx to unix socket faq for help
// with this. http://http://www.developerweb.net/forum/
#ifndef WIN32
signal(SIGTRAP, signal_handler);
signal(SIGVTALRM, signal_handler);
// this code is to check for infinite looping
time.tv_sec = 5;
time.tv_usec = 0;
itime.it_interval = time;
itime.it_value = time;
if( setitimer(ITIMER_VIRTUAL, &itime, 0) < 0 )
mudlog("Error starting setitimer.");
#endif
// initialize the random number generator
init_rand();
// connect_attempts array, to keep people from spam connecting to slow down the mud
connect_attempts = malloc(sizeof(char*));
connect_attempts[0] = 0;
mysql = mysql_init(NULL);
if (!mysql)
{
mudlog("Error initializing MySQL: %s", mysql_error(mysql));
abort();
}
// connect to MySQL database
if (!mysql_real_connect(mysql, DB_HOST, DB_LOGIN, DB_PASSWORD, DB_NAME, 0, NULL, 0))
{
mudlog("Error opening mysql database: %s", mysql_error(mysql));
abort();
}
if (mysql_select_db(mysql, DB_NAME))
{
mudlog("Error opening main database: %s",mysql_error(mysql));
if (mysql)
mysql_close(mysql);
abort();
}
// time of da mud !
fread_time();
// load areas/rooms/objects/creatures
load_db();
// check if hotreboot and reconnect everything
if(hotreboot)
{
MSOCKET *socket=0;
char buf[MAX_BUFFER];
MYSQL_RES *result;
MYSQL_ROW row;
mysql_query(mysql, "SELECT * FROM player WHERE online='1'");
result = mysql_store_result(mysql);
if (mysql_num_rows(result) < 0)
{
mudlog("hotreboot: mysql error is: %s",mysql_error(mysql));
exit(1);
}
while((row = mysql_fetch_row(result)))
{
strcpy(buf, row[P_NAME]);
// check for "host" player.. holds control descriptor
if(!strcasecmp("host", row[C_NAME]))
{
host = atoi(row[P_DESCRIPTOR]);
}
else
{
socket = init_socket();
fread_player(socket, buf);
str_dup(&socket->host, row[P_HOST]);
str_dup(&socket->ip, row[P_IP]);
socket->desc = atoi(row[P_DESCRIPTOR]);
socket->connected = CON_PLAYING;
trans(socket->pc, socket->pc->in_room);
sendcrit(socket->pc, "Hotreboot completed.");
}
}
mysql_free_result(result);
}
// make sure nobody has non-existant connections, in the event of a crash + hotreboot
// then go through and update people who are online
// this is also a good time to get host address, as players will be expecting lag
mysql_query(mysql, "UPDATE player SET online='0', descriptor='0'");
for(socket = socket_list; socket; socket = socket->next)
{
get_hostname(socket);
sprintf(buf,"UPDATE player SET online='1', host=\"%s\" WHERE id='%li'",
smash_quotes(socket->host), socket->id);
mysql_query(mysql, buf);
}
// see how many players are in each area, to see if area should be 'alive'
for(socket = socket_list; socket; socket = socket->next)
{
if(IsPlaying(socket->pc))
socket->pc->in_room->area->players++;
}
// check if we need to backup
backup_update();
}
