X-Git-Url: https://git.jankratochvil.net/?p=redirector-ad.git;a=blobdiff_plain;f=redirector;h=f72d82d443be62e3fc38a3a9ef941d2fc2a0dc8f;hp=fd8920cdf4ece863ffd508eba3aecae342d6ae85;hb=ef4fbe01d463c32814c98a0cc42842a2068c5a80;hpb=082ee6d79964c95554b8ac0f0d145f451d0c5ca3

diff --git a/redirector b/redirector
index fd8920c..f72d82d 100755
--- a/redirector
+++ b/redirector
@@ -1,9 +1,45 @@
-#! /bin/sh
+#! /usr/bin/perl
 #
 # $Id$
 
-DIR_AD=/usr/local/squid/etc/ad
+use strict;
+use warnings;
 
-exec /usr/bin/perl -e '$|=1; while (<>) {
-'"`	(cd "$DIR_AD";m4 -P main)|awk '/./{print "s@^http://"$0".*$@http://localhost/cgi-bin/redirector-ad.cgi?"$0"@;"}' `"'
-print; }'
+use re 'eval';
+
+use constant DIR_AD => "/usr/local/squid/etc/ad";
+
+
+chdir DIR_AD or die "chdir ".DIR_AD.": $!";
+select STDOUT;
+$|=1;
+my @got;
+
+RELOAD: {
+	my $patt="";
+	open(M4,"-|","m4 --prefix-builtins --synclines main") or die "m4 run: $!";
+	my %files;
+	while (<M4>) {
+		chomp;
+		next if !$_;
+		do { $files{$1}=undef; next; } if /^#\s*line\s+\d+\s+"(.*)"$/;
+		$patt.="|" if $patt;
+		$patt.=$_."(?{ '";
+		s/'/'."'".'/g;
+		$patt.="$_'; })";
+		}
+	close M4;
+	$patt=qr @^http://($patt).*\n$@;
+
+	while ($_=shift @got || <>) {
+		while (my($file,$old)=each %files) {
+			my $new=(stat $file)[9];
+			$files{$file}=$new;
+			next if !defined $old || $old==$new;
+			push @got,$_;
+			redo RELOAD;
+			}
+		s@$patt@http://localhost/cgi-bin/redirector-ad.cgi?$^R\n@;
+		print;
+		}
+	} # RELOAD