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From Andreas Bauer <aba...@suse.de>
Subject Re: [mp2][PATCH] enhancement for Apache::Reload
Date Tue, 01 Jun 2004 13:01:07 GMT
Hi Stas,
sorry for the delay.

On Friday 14 May 2004 20:14, Stas Bekman wrote:
>
> It could be better to have:
>
> PerlSetVar ReloadTrace debug
> PerlSetVar ReloadTrace info
> PerlSetVar ReloadTrace error
>
> etc. but I don't think we will need more than 2. Whichever way is fine with
> me. As this is mp2 we can change the API as long as 2.0 is not released. So
> may be it's better to go with the second idea.

Ok, I did the ReloadTrace thing with 'info' and 'debug' as possible values. It 
should not be difficult to add support for more values.

> And docs live here:
> http://perl.apache.org/docs/2.0/api/Apache/Reload.pod.orig

Reload.pm patch:

--- Reload.pm.orig      2004-06-01 14:31:33.133067240 +0200
+++ Reload.pm   2004-06-01 13:54:34.690321800 +0200
@@ -59,7 +59,11 @@ sub handler {
     my $o = shift;
     $o = $o->base_server if ref($o) eq 'Apache::Connection';
 
+    my %TRLEV = (''=>0, 'info'=>1, 'debug'=>2);
     my $DEBUG = ref($o) && (lc($o->dir_config("ReloadDebug") || '') eq 'on');
+    my $TRACE = ref($o) && lc($o->dir_config("ReloadTrace"));
+    my $trlev = $TRLEV{($TRACE || ($DEBUG ? 'debug' : ''))};
 
     my $TouchFile = ref($o) && $o->dir_config("ReloadTouchFile");
 
@@ -70,7 +74,7 @@ sub handler {
     my $TouchModules;
 
     if ($TouchFile) {
-        warn "Checking mtime of $TouchFile\n" if $DEBUG;
+        warn "Checking mtime of $TouchFile\n" if $trlev >= $TRLEV{debug};
         my $touch_mtime = (stat($TouchFile))[9] || return 1;
         return 1 unless $touch_mtime > $TouchTime;
         $TouchTime = $touch_mtime;
@@ -119,7 +123,7 @@ sub handler {
     while (my($key, $file) = each %Apache::Reload::INCS) {
         next unless defined $file;
         next if @watch_dirs && !grep { $file =~ /^$_/ } @watch_dirs;
-        warn "Apache::Reload: Checking mtime of $key\n" if $DEBUG;
+        warn "Apache::Reload: Checking mtime of $key\n" if $trlev >= $TRLEV{debug};
 
         my $mtime = (stat $file)[9];
 
@@ -150,7 +154,7 @@ sub handler {
                 unless $ConstantRedefineWarnings;
             require $key;
             warn("Apache::Reload: process $$ reloading $key\n")
-                    if $DEBUG;
+                    if $trlev >= $TRLEV{info};
         }
         $Stat{$file} = $mtime;
     }



Reload.pod patch:

--- Reload.pod.orig	2004-06-01 14:23:28.675715952 +0200
+++ Reload.pod.new	2004-06-01 14:23:23.339527176 +0200
@@ -18,7 +18,7 @@
   PerlInitHandler Apache::Reload
   PerlSetVar ReloadAll Off
   PerlSetVar ReloadModules "ModPerl::* Apache::*"
-  #PerlSetVar ReloadDebug On
+  #PerlSetVar ReloadTrace Info
   #PerlSetVar ReloadConstantRedefineWarnings Off
   
   # Reload a single module from within itself:
@@ -183,9 +183,19 @@
 =head1 Debug
 
 If you aren't sure whether the modules that are supposed to be
-reloaded, are actually getting reloaded, turn the debug mode on:
+reloaded, are actually getting reloaded, set the C<ReloadTrace>
+variable:
 
-  PerlSetVar ReloadDebug On
+  PerlSetVar ReloadTrace Info
+
+To further increase the log output, e.g. showing information about
+the files that are checked for reloading:
+
+  PerlSetVar ReloadTrace Debug
+
+The C<ReloadDebug> variable used in C<Apache::Reload> v0.09 and 
+earlier is still supported for backward compatibility but usage
+is discouraged. It will probably be removed in the future. 
 
 =head1 Silencing 'Constant subroutine ... redefined at' Warnings
 
> Thanks.

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