/[Redis.pre-github]/lib/Redis.pm
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Contents of /lib/Redis.pm

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Revision 4 - (show annotations)
Sat Mar 21 21:53:15 2009 UTC (15 years ago) by dpavlin
File size: 2499 byte(s)
test non-existing key and strip cr/lf after get value
1 package Redis;
2
3 use warnings;
4 use strict;
5
6 use IO::Socket::INET;
7 use Data::Dump qw/dump/;
8
9 =head1 NAME
10
11 Redis - The great new Redis!
12
13 =cut
14
15 our $VERSION = '0.01';
16
17
18 =head1 SYNOPSIS
19
20 Pure perl bindings for L<http://code.google.com/p/redis/>
21
22 use Redis;
23
24 my $r = Redis->new();
25
26
27
28
29 =head1 FUNCTIONS
30
31 =head2 new
32
33 =cut
34
35 our $sock;
36 my $server = '127.0.0.1:6379';
37
38 sub new {
39 my $class = shift;
40 my $self = {};
41 bless($self, $class);
42
43 warn "# opening socket to $server";
44
45 $sock ||= IO::Socket::INET->new(
46 PeerAddr => $server,
47 Proto => 'tcp',
48 ) || die $!;
49
50 $self;
51 }
52
53 =head1 Connection Handling
54
55 =head2 quit
56
57 $r->quit;
58
59 =cut
60
61 sub quit {
62 my $self = shift;
63
64 close( $sock ) || warn $!;
65 }
66
67 =head2 ping
68
69 $r->ping || die "no server?";
70
71 =cut
72
73 sub ping {
74 print $sock "PING\r\n";
75 my $pong = <$sock>;
76 die "ping failed, got ", dump($pong) unless $pong eq "+PONG\r\n";
77 }
78
79 =head1 Commands operating on string values
80
81 =head2 set
82
83 $r->set( foo => 'bar' );
84
85 =cut
86
87 sub set {
88 my ( $self, $k, $v ) = @_;
89 print $sock "SET $k " . length($v) . "\r\n$v\r\n";
90 my $ok = <$sock>;
91 die dump($ok) unless $ok eq "+OK\r\n";
92 }
93
94 =head2 get
95
96 my $value = $r->get( 'foo' );
97
98 =cut
99
100 sub get {
101 my ( $self, $k ) = @_;
102 print $sock "GET $k\r\n";
103 my $len = <$sock>;
104 # warn "# len: ",dump($len);
105 return undef if $len eq "nil\r\n";
106 my $v;
107 read($sock, $v, $len) || die $!;
108 # warn "# v: ",dump($v);
109 my $crlf;
110 read($sock, $crlf, 2); # skip cr/lf
111 return $v;
112 }
113
114
115
116 =head1 AUTHOR
117
118 Dobrica Pavlinusic, C<< <dpavlin at rot13.org> >>
119
120 =head1 BUGS
121
122 Please report any bugs or feature requests to C<bug-redis at rt.cpan.org>, or through
123 the web interface at L<http://rt.cpan.org/NoAuth/ReportBug.html?Queue=Redis>. I will be notified, and then you'll
124 automatically be notified of progress on your bug as I make changes.
125
126
127
128
129 =head1 SUPPORT
130
131 You can find documentation for this module with the perldoc command.
132
133 perldoc Redis
134
135
136 You can also look for information at:
137
138 =over 4
139
140 =item * RT: CPAN's request tracker
141
142 L<http://rt.cpan.org/NoAuth/Bugs.html?Dist=Redis>
143
144 =item * AnnoCPAN: Annotated CPAN documentation
145
146 L<http://annocpan.org/dist/Redis>
147
148 =item * CPAN Ratings
149
150 L<http://cpanratings.perl.org/d/Redis>
151
152 =item * Search CPAN
153
154 L<http://search.cpan.org/dist/Redis>
155
156 =back
157
158
159 =head1 ACKNOWLEDGEMENTS
160
161
162 =head1 COPYRIGHT & LICENSE
163
164 Copyright 2009 Dobrica Pavlinusic, all rights reserved.
165
166 This program is free software; you can redistribute it and/or modify it
167 under the same terms as Perl itself.
168
169
170 =cut
171
172 1; # End of Redis

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