static void got_term(int z)
{
/* Now we die by default on sigterm, but scripts have the chance to
* catch the event themselves and cancel shutdown by returning 1
*/
if (check_tcl_signal("sigterm"))
return;
kill_bot("ACK, I've been terminated!", "TERMINATE SIGNAL -- SIGNING OFF");
}
static void send_quit()
{
struct irc_message *quit_msg;
log_info("Received `!quit', quitting...");
kill_bot();
quit_msg = create_message(NULL, "QUIT", NULL);
send_msg(quit_msg);
free_message(quit_msg);
}
void kill_bots (struct Bots *killme) {
struct Bot *tempbot;
struct Bot *tempbot2;
tempbot = killme->list;
while (tempbot) {
tempbot2 = tempbot; /* Remember... */
tempbot = tempbot->next; /* Prepare to move on */
kill_bot (tempbot2); /* Call routine to kill that bot */
}
}
static int fill_recv_buf()
{
int retval = 0;
fd_set rfds;
struct timeval tv;
if (sockfd == -1) {
debug("sockfd is -1");
if (time(NULL) - last_activity > LAG_INTERVAL) {
debug("LAG_INTERVAL has been reached");
log_info("Trying to reconnect...");
sockfd = connect_to_server();
if (sockfd == -1) {
log_info("Failed: %s", strerror(errno));
return -1;
} else
log_info("Succeeded!");
}
else {
debug("LAG_INTERVAL not reached; sleeping...");
sleep(5);
return -1;
}
}
FD_ZERO(&rfds);
FD_SET(sockfd, &rfds);
tv.tv_sec = 0;
tv.tv_usec = 500000;
retval = select(sockfd + 1, &rfds, NULL, NULL, &tv);
if (retval == -1) {
log_err("Error waiting for socket: %s", strerror(errno));
close(sockfd);
sockfd = -1;
return -1;
} else if (!retval) {
time_t curr;
time(&curr);
if (curr - last_activity > LAG_INTERVAL) {
debug("appear to have lost connection");
if (!waiting_for_ping) {
struct irc_message *ping_msg;
debug("sending ping..");
ping_msg = create_message(NULL, "PING",
":ping");
send_msg(ping_msg);
free_message(ping_msg);
waiting_for_ping = 1;
}
else if (curr - last_activity >
LAG_INTERVAL + PING_WAIT_TIME) {
log_info("Lost connection...");
waiting_for_ping = 0;
close(sockfd);
sockfd = -1;
reset();
}
}
return -1;
}
recv_buf_size = recv(sockfd, recv_buf, RECV_BUF_LENGTH - 1, 0);
if (recv_buf_size == 0) {
// connection has been terminated
// likely due to ping timeout
sockfd = -1;
log_info("Connection terminated. Reconnecting..");
return -1;
} else if (recv_buf_size == -1) {
log_err("Error receiving packets: %s",
strerror(errno));
kill_bot();
return -1;
}
recv_buf[recv_buf_size] = '\0';
recv_buf_pos = recv_buf;
time(&last_activity);
waiting_for_ping = 0;
return 0;
}
