Hardened up the cluster->client link in the cluster software so that

[spider.git] / perl / DXChannel.pm

diff --git a/perl/DXChannel.pm b/perl/DXChannel.pm
index 3637b7626885a6ec63e20720c8b3008ba03ba270..df74bfc89302fdf00f398735bd53df5b5985a546 100644 (file)
--- a/perl/DXChannel.pm
+++ b/perl/DXChannel.pm
@@ -436,6 +436,26 @@ sub field_prompt
        return $valid{$ele};
 }
 
+# take a standard input message and decode it into its standard parts
+sub decode_input
+{
+       my $dxchan = shift;
+       my $data = shift;
+       my ($sort, $call, $line) = $data =~ /^([A-Z])([A-Z1-9\-]{3,9})\|(.*)$/;
+
+       my $chcall = (ref $dxchan) ? $dxchan->call : "UN.KNOWN";
+       
+       # the above regexp must work
+       if (!defined $sort || !defined $call || !defined  $line ||
+                  (ref $dxchan && $call ne $chcall)) {
+               $data =~ s/([\x00-\x1f\x7f-\xff])/uc sprintf("%%%02x",ord($1))/eg;
+               dbg('chan', "DUFF Line from $chcall: $data");
+               return ();
+       }
+       
+       return ($sort, $call, $line);
+}
+
 no strict;
 sub AUTOLOAD
 {