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/cvs/AnyEvent-MP/MP/Config.pm
Revision: 1.6
Committed: Fri Sep 4 21:01:22 2009 UTC (14 years, 9 months ago) by root
Branch: MAIN
Changes since 1.5: +2 -0 lines
Log Message:
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File Contents

# User Rev Content
1 root 1.1 =head1 NAME
2    
3     AnyEvent::MP::Config - configuration handling
4    
5     =head1 SYNOPSIS
6    
7     # see the "aemp" command line utility
8    
9     =head1 DESCRIPTION
10    
11 root 1.2 Move along please, nothing to see here at the moment.
12 root 1.1
13     =cut
14    
15     package AnyEvent::MP::Config;
16    
17     use common::sense;
18    
19     use Carp ();
20     use AnyEvent ();
21     use JSON::XS ();
22    
23     our $CONFIG_FILE = $ENV{HOME} ? "$ENV{HOME}/.perl-anyevent-mp"
24     : "$ENV{APPDATA}/perl-anyevent-mp";
25    
26     our %CFG;
27    
28     sub load {
29     if (open my $fh, "<:raw", $CONFIG_FILE) {
30     return if eval {
31     local $/;
32     %CFG = %{ JSON::XS->new->utf8->relaxed->decode (scalar <$fh>) };
33     1
34     };
35     }
36    
37     %CFG = (
38     version => 1,
39     dirty => 1,
40     );
41     }
42    
43     sub save {
44     return unless delete $CFG{dirty};
45    
46     open my $fh, ">:raw", "$CONFIG_FILE~new~"
47     or Carp::croak "$CONFIG_FILE~new~: $!";
48    
49     syswrite $fh, JSON::XS->new->pretty->utf8->encode (\%CFG) . "\n"
50     or Carp::croak "$CONFIG_FILE~new~: $!";
51    
52     close $fh
53     or Carp::croak "$CONFIG_FILE~new~: $!";
54    
55     unlink "$CONFIG_FILE~";
56     link $CONFIG_FILE, "$CONFIG_FILE~";
57     rename "$CONFIG_FILE~new~", $CONFIG_FILE
58     or Carp::croak "$CONFIG_FILE: $!";
59     }
60    
61 root 1.3 sub config {
62 root 1.2 \%CFG
63     }
64    
65 root 1.5 sub _find_profile($);
66 root 1.4 sub _find_profile($) {
67     my ($name) = @_;
68    
69     if (defined $name) {
70     my $profile = $CFG{profile}{$name};
71 root 1.5 return _find_profile $profile->{parent}, %$profile;
72 root 1.4 } else {
73     return %CFG;
74     }
75     }
76    
77     sub find_profile($;%) {
78     my ($name, %kv) = @_;
79    
80 root 1.3 +{
81 root 1.6 monitor_timeout => 30,
82     connect_interval => 2,
83 root 1.4 %kv,
84     _find_profile $name,
85 root 1.3 }
86     }
87    
88 root 1.1 load;
89     END { save }
90    
91     =head1 SEE ALSO
92    
93     L<AnyEvent::MP>.
94    
95     =head1 AUTHOR
96    
97     Marc Lehmann <schmorp@schmorp.de>
98     http://home.schmorp.de/
99    
100     =cut
101    
102     1
103