+ my $now = $main::systime;
+ return if $now-$lasttime < 1;
+
+ my ($sec, $min, $hour, $mday, $mon, $wday) = (gmtime($now))[0,1,2,3,4,6];
+
+ # are we at a minute boundary?
+ if ($min != $lastmin) {
+
+ # read in any changes if the modification time has changed
+ init();
+
+ $mon += 1; # months otherwise go 0-11
+ my $cron;
+ foreach $cron (@crontab) {
+ if ((!$cron->{min} || grep $_ eq $min, @{$cron->{min}}) &&
+ (!$cron->{hour} || grep $_ eq $hour, @{$cron->{hour}}) &&
+ (!$cron->{mday} || grep $_ eq $mday, @{$cron->{mday}}) &&
+ (!$cron->{mon} || grep $_ eq $mon, @{$cron->{mon}}) &&
+ (!$cron->{wday} || grep $_ eq $wday, @{$cron->{wday}}) ){
+
+ if ($cron->{cmd}) {
+ dbg('cron', "cron: $min $hour $mday $mon $wday -> doing '$cron->{cmd}'");
+ eval "$cron->{cmd}";
+ dbg('cron', "cron: cmd error $@") if $@;
+ }
+ }
+ }
+ }
+
+ # remember when we are now
+ $lasttime = $now;
+ $lastmin = $min;
+}
+
+#
+# these are simple stub functions to make connecting easy in DXCron contexts
+#
+
+# is it locally connected?
+sub connected
+{
+ my $call = uc shift;
+ return DXChannel->get($call);
+}
+
+# is it remotely connected anywhere (with exact callsign)?
+sub present
+{
+ my $call = uc shift;
+ return DXCluster->get_exact($call);
+}
+
+# is it remotely connected anywhere (ignoring SSIDS)?
+sub presentish
+{
+ my $call = uc shift;
+ return DXCluster->get($call);
+}
+
+# is it remotely connected anywhere (with exact callsign) and on node?
+sub present_on
+{
+ my $call = uc shift;
+ my $node = uc shift;
+ my $ref = DXCluster->get_exact($call);
+ return ($ref && $ref->mynode) ? $ref->mynode->call eq $node : undef;
+}
+
+# is it remotely connected anywhere (ignoring SSIDS) and on node?
+sub presentish_on
+{
+ my $call = uc shift;
+ my $node = uc shift;
+ my $ref = DXCluster->get($call);
+ return ($ref && $ref->mynode) ? $ref->mynode->call eq $node : undef;
+}
+
+# last time this thing was connected
+sub last_connect
+{
+ my $call = uc shift;
+ return $main::systime if DXChannel->get($call);
+ my $user = DXUser->get($call);
+ return $user ? $user->lastin : 0;
+}
+
+# disconnect a locally connected thing
+sub disconnect
+{
+ my $call = shift;
+ run_cmd("disconnect $call");
+}