From 2d522aed78edeaa25f8640698812d651ca0dd411 Mon Sep 17 00:00:00 2001
From: Peter Palfrader <peter@palfrader.org>
Date: Sat, 6 Jul 2002 21:35:04 +0000
Subject: Find config file automagically

---
 Echolot/Config.pm | 46 ++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 44 insertions(+), 2 deletions(-)

(limited to 'Echolot')

diff --git a/Echolot/Config.pm b/Echolot/Config.pm
index f764ffe..8c62451 100644
--- a/Echolot/Config.pm
+++ b/Echolot/Config.pm
@@ -1,7 +1,7 @@
 package Echolot::Config;
 
 # (c) 2002 Peter Palfrader <peter@palfrader.org>
-# $Id: Config.pm,v 1.14 2002/07/06 20:15:12 weasel Exp $
+# $Id: Config.pm,v 1.15 2002/07/06 21:35:04 weasel Exp $
 #
 
 =pod
@@ -12,6 +12,29 @@ Echolot::Config - echolot configuration
 
 =head1 DESCRIPTION
 
+Sets default configuration options and
+reads configuration from the config file.
+
+=head1 FILES
+
+The configuration file is searched in those places in that order:
+
+=over
+
+=item the file pointed to by the B<ECHOLOT_CONF> environment variable
+
+=item `pwd`/pingd.conf
+
+=item $HOME/echolot/pingd.conf
+
+=item $HOME/pingd.conf
+
+=item $HOME/.pingd.conf
+
+=item /etc/pingd.conf
+
+=back
+
 =cut
 
 use strict;
@@ -22,6 +45,14 @@ use Carp;
 
 my $CONFIG;
 
+my @CONFIG_FILES = 
+	( $ENV{'ECHOLOT_CONF'},
+	  'pingd.conf',
+	  $ENV{'HOME'}.'/echolot/pingd.conf',
+	  $ENV{'HOME'}.'/pingd.conf',
+	  $ENV{'HOME'}.'/.pingd.conf',
+	  '/etc/pingd.conf' );
+	  
 sub init($) {
 	my ($params) = @_;
 
@@ -92,9 +123,20 @@ sub init($) {
 		verbose                     => 0
 	};
 
+
+	my $configfile = undef;
+	for my $filename ( @CONFIG_FILES ) {
+		if ( defined $filename && -e $filename ) {
+			$configfile = $filename;
+			last;
+		};
+	};
+
+	die ("no Configuration file found\n") unless defined $configfile;
+	
 	{
 		my $parser = new XML::Parser(Style => 'Tree');
-		my $tree = $parser->parsefile('pingd.conf');
+		my $tree = $parser->parsefile($configfile);
 		my $dump = new XML::Dumper;
 		$CONFIG = $dump->xml2pl($tree);
 	}
-- 
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