1 files changed, 10 insertions, 1 deletions

diff --git a/heating-cgi/boiler_rx b/heating-cgi/boiler_rx
index 777b3ee..f794e1b 100755
--- a/heating-cgi/boiler_rx
+++ b/heating-cgi/boiler_rx
@@ -35,10 +35,19 @@ while (1) {
     my $nodata = 0;
 
     while ( ( not $telnet->eof ) and ( $nodata < $timeout ) ) {
-        my $line = $telnet->getline( Timeout => 1, Errmode => 'return' );
+	my $line = undef;
+	eval {
+	  local $SIG{ALRM} = sub { die 'Timed Out'; }; 
+	  alarm 2; 
+
+          $line = $telnet->getline( Timeout => 1, Errmode => 'return' );
+	  alarm 0;
+	};
+	alarm 0;
 
         if ( not defined $line or ( length($line) == 0 ) ) {
             $nodata++;
+	    next;
         }
         else {
             $nodata = 0;