+#
+# 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 = uc shift;
+ my $dxchan = DXChannel->get($call);
+ $dxchan->disconnect if $dxchan;
+}
+
+# start a connect process off
+sub start_connect
+{
+ my $call = uc shift;
+ my $lccall = lc $call;
+
+ if (Msg->conns($call)) {
+ dbg('cron', "Connect not started, outstanding connect to $call");
+ return;
+ }
+ if (-e "$main::root/connect/$lccall") {
+ ExtMsg::start_connect($call, "$main::root/connect/$lccall");
+ } else {
+ dbg('err', "Cannot find connect script for $lccall");
+ }
+}
+
+# spawn any old job off
+sub spawn
+{
+ my $line = shift;
+
+ my $pid = fork();
+ if (defined $pid) {
+ if (!$pid) {
+ # in child, unset warnings, disable debugging and general clean up from us
+ $^W = 0;
+ eval "{ package DB; sub DB {} }";
+ DXChannel::closeall();
+ for (@main::listeners) {
+ $_->close_server;
+ }
+ unless ($main::is_win) {
+ $SIG{HUP} = 'IGNORE';
+ $SIG{CHLD} = $SIG{TERM} = $SIG{INT} = $SIG{__WARN__} = 'DEFAULT';
+ alarm(0);
+ }
+ exec "$line" or dbg('cron', "exec '$line' failed $!");
+ }
+ dbg('cron', "spawn of $line started");
+ } else {
+ dbg('cron', "can't fork for $line $!");
+ }
+
+ # coordinate
+ sleep(1);
+}
+
+# do an rcmd to another cluster from the crontab
+sub rcmd
+{
+ my $call = uc shift;
+ my $line = shift;
+
+ # can we see it? Is it a node?
+ my $noderef = DXCluster->get_exact($call);
+ return if !$noderef || !$noderef->pcversion;
+
+ # send it
+ DXProt::addrcmd($DXProt::me, $call, $line);
+}