#
# Copyright (c) 1998 - Dirk Koopman G1TLH
#
-# $Id$
+#
#
package DXCron;
use DXUtil;
use DXM;
use DXDebug;
-use FileHandle;
-use Carp;
+use IO::File;
use strict;
-use vars qw{@crontab $mtime $lasttime};
+use vars qw{@crontab @lcrontab @scrontab $mtime $lasttime $lastmin};
-@crontab = ();
$mtime = 0;
$lasttime = 0;
+$lastmin = 0;
my $fn = "$main::cmd/crontab";
-my $localfn = "$main::local_cmd/crontab";
+my $localfn = "$main::localcmd/crontab";
# cron initialisation / reading in cronjobs
sub init
{
- my $t;
-
- if (-e $localfn) {
- if (-e $localfn && ($t = -M $localfn) != $mtime) {
- cread($localfn);
- $mtime = $t;
+ if ((-e $localfn && -M $localfn < $mtime) || (-e $fn && -M $fn < $mtime) || $mtime == 0) {
+ my $t;
+
+ # first read in the standard one
+ if (-e $fn) {
+ $t = -M $fn;
+
+ @scrontab = cread($fn);
+ $mtime = $t if !$mtime || $t <= $mtime;
}
- return;
- }
- if (($t = -M $fn) != $mtime) {
- cread($fn);
- $mtime = $t;
+
+ # then read in any local ones
+ if (-e $localfn) {
+ $t = -M $localfn;
+
+ @lcrontab = cread($localfn);
+ $mtime = $t if $t <= $mtime;
+ }
+ @crontab = (@scrontab, @lcrontab);
}
}
sub cread
{
my $fn = shift;
- my $fh = new FileHandle;
+ my $fh = new IO::File;
my $line = 0;
+ my @out;
- dbg('cron', "reading $fn\n");
- open($fh, $fn) or confess("can't open $fn $!");
- @crontab = (); # clear out the old stuff
+ dbg("cron: reading $fn\n") if isdbg('cron');
+ open($fh, $fn) or confess("cron: can't open $fn $!");
while (<$fh>) {
$line++;
-
+ chomp;
next if /^\s*#/o or /^\s*$/o;
- my ($min, $hour, $mday, $month, $wday, $cmd) = /^\s*(\w+)\s+(\w+)\s+(\w+)\s+(\w+)\s+(\w+)\s+(.+)$/o;
- next if !$min;
+ my ($min, $hour, $mday, $month, $wday, $cmd) = /^\s*(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(\S+)\s+(.+)$/o;
+ next unless defined $min;
my $ref = bless {};
my $err;
$err |= parse($ref, 'wday', $wday, 0, 6, "sun", "mon", "tue", "wed", "thu", "fri", "sat");
if (!$err) {
$ref->{cmd} = $cmd;
- push @crontab, $ref;
- dbg('cron', "adding $_\n");
+ push @out, $ref;
+ dbg("cron: adding $_\n") if isdbg('cron');
} else {
- dbg('cron', "error on line $line '$_'\n");
+ dbg("cron: error on line $line '$_'\n") if isdbg('cron');
}
}
close($fh);
+ return @out;
}
sub parse
push @req, 0 + $_;
}
}
+ $ref->{$sort} = \@req;
+
return 0;
}
sub process
{
my $now = $main::systime;
+ return if $now-$lasttime < 1;
- if ($now - $lasttime >= 60) {
- my ($sec, $min, $hour, $mday, $mon, $wday) = (gmtime($main::systime))[0-4,6];
+ my ($sec, $min, $hour, $mday, $mon, $wday) = (gmtime($now))[0,1,2,3,4,6];
+
+ # are we at a minute boundary?
+ if ($min != $lastmin) {
- $lasttime = $now;
+ # 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: $min $hour $mday $mon $wday -> doing '$cron->{cmd}'") if isdbg('cron');
+ eval "$cron->{cmd}";
+ dbg("cron: cmd error $@") if $@ && isdbg('cron');
+ }
+ }
+ }
+ }
+
+ # 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 $call = uc shift;
+ return Route::get($call);
+}
+
+# is it remotely connected anywhere (ignoring SSIDS)?
+sub presentish
+{
+ my $call = uc shift;
+ my $c = Route::get($call);
+ unless ($c) {
+ for (1..15) {
+ $c = Route::get("$call-$_");
+ last if $c;
+ }
}
+ return $c;
}
+# is it remotely connected anywhere (with exact callsign) and on node?
+sub present_on
+{
+ my $call = uc shift;
+ my $ncall = uc shift;
+ my $node = Route::Node::get($ncall);
+ return ($node) ? grep $call eq $_, $node->users : undef;
+}
+
+# is it remotely connected (ignoring SSIDS) and on node?
+sub presentish_on
+{
+ my $call = uc shift;
+ my $ncall = uc shift;
+ my $node = Route::Node::get($ncall);
+ my $present;
+ if ($node) {
+ $present = grep {/^$call/ } $node->users;
+ }
+ return $present;
+}
+
+# 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");
+}
+
+# start a connect process off
+sub start_connect
+{
+ my $call = shift;
+ # connecting is now done in one place - Yeah!
+ run_cmd("connect $call");
+}
+
+# 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("exec '$line' failed $!") if isdbg('cron');
+ }
+ dbg("spawn of $line started") if isdbg('cron');
+ } else {
+ dbg("can't fork for $line $!") if isdbg('cron');
+ }
+
+ # 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 $noderef = Route::Node::get($call);
+ return unless $noderef && $noderef->version;
+
+ # send it
+ DXProt::addrcmd($main::me, $call, $line);
+}
+
+sub run_cmd
+{
+ my $line = shift;
+ my @in = DXCommandmode::run_cmd($main::me, $line);
+ dbg("cmd run: $line") if isdbg('cron');
+ for (@in) {
+ s/\s*$//og;
+ dbg("cmd out: $_") if isdbg('cron');
+ }
+}
1;
__END__
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