+# Note: we use this to wait until vncterm is ready
+sub wait_for_vnc_port {
+ my ($port, $timeout) = @_;
+
+ $timeout = 5 if !$timeout;
+
+ for (my $i = 0; $i < $timeout; $i++) {
+ if (my $fh = IO::File->new ("/proc/net/tcp", "r")) {
+ while (defined (my $line = <$fh>)) {
+ if ($line =~ m/^\s*\d+:\s+([0-9A-Fa-f]{8}):([0-9A-Fa-f]{4})\s/) {
+ if ($port == hex($2)) {
+ close($fh);
+ return 1;
+ }
+ }
+ }
+ close($fh);
+ }
+ sleep(1);
+ }
+
+ return undef;
+}
+