5 |
|
|
6 |
use IO::Socket::INET; |
use IO::Socket::INET; |
7 |
use Data::Dump qw/dump/; |
use Data::Dump qw/dump/; |
8 |
|
use Carp qw/confess/; |
9 |
|
|
10 |
=head1 NAME |
=head1 NAME |
11 |
|
|
67 |
|
|
68 |
=head2 ping |
=head2 ping |
69 |
|
|
70 |
$r->ping || die "no server?"; |
$r->ping || die "no server?"; |
71 |
|
|
72 |
=cut |
=cut |
73 |
|
|
77 |
die "ping failed, got ", dump($pong) unless $pong eq "+PONG\r\n"; |
die "ping failed, got ", dump($pong) unless $pong eq "+PONG\r\n"; |
78 |
} |
} |
79 |
|
|
80 |
|
=head1 Commands operating on string values |
81 |
|
|
82 |
|
=head2 set |
83 |
|
|
84 |
|
$r->set( foo => 'bar', $new ); |
85 |
|
|
86 |
|
=cut |
87 |
|
|
88 |
|
sub set { |
89 |
|
my ( $self, $k, $v, $new ) = @_; |
90 |
|
print $sock ( $new ? "SETNX" : "SET" ) . " $k " . length($v) . "\r\n$v\r\n"; |
91 |
|
my $ok = <$sock>; |
92 |
|
confess dump($ok) unless $ok eq "+OK\r\n"; |
93 |
|
} |
94 |
|
|
95 |
|
=head2 get |
96 |
|
|
97 |
|
my $value = $r->get( 'foo' ); |
98 |
|
|
99 |
|
=cut |
100 |
|
|
101 |
|
sub get { |
102 |
|
my ( $self, $k ) = @_; |
103 |
|
print $sock "GET $k\r\n"; |
104 |
|
my $len = <$sock>; |
105 |
|
# warn "# len: ",dump($len); |
106 |
|
return undef if $len eq "nil\r\n"; |
107 |
|
my $v; |
108 |
|
read($sock, $v, $len) || die $!; |
109 |
|
# warn "# v: ",dump($v); |
110 |
|
my $crlf; |
111 |
|
read($sock, $crlf, 2); # skip cr/lf |
112 |
|
return $v; |
113 |
|
} |
114 |
|
|
115 |
|
=head2 incr |
116 |
|
|
117 |
|
$r->incr('counter'); |
118 |
|
$r->incr('tripplets', 3); |
119 |
|
|
120 |
|
=cut |
121 |
|
|
122 |
|
sub sock_result { |
123 |
|
my $result = <$sock>; |
124 |
|
warn "# result: ",dump( $result ); |
125 |
|
$result =~ s{\r\n$}{} || warn "can't find cr/lf"; |
126 |
|
return $result; |
127 |
|
} |
128 |
|
|
129 |
|
|
130 |
|
sub incr { |
131 |
|
my ( $self, $key, $value ) = @_; |
132 |
|
if ( defined $value ) { |
133 |
|
print $sock "INCRBY $key $value\r\n"; |
134 |
|
} else { |
135 |
|
print $sock "INCR $key\r\n"; |
136 |
|
} |
137 |
|
sock_result(); |
138 |
|
} |
139 |
|
|
140 |
|
=head2 decr |
141 |
|
|
142 |
|
$r->decr('counter'); |
143 |
|
$r->decr('tripplets', 3); |
144 |
|
|
145 |
|
=cut |
146 |
|
|
147 |
|
sub decr { |
148 |
|
my ( $self, $key, $value ) = @_; |
149 |
|
if ( defined $value ) { |
150 |
|
print $sock "DECRBY $key $value\r\n"; |
151 |
|
} else { |
152 |
|
print $sock "DECR $key\r\n"; |
153 |
|
} |
154 |
|
sock_result(); |
155 |
|
} |
156 |
|
|
157 |
|
=head2 exists |
158 |
|
|
159 |
|
$r->exists( 'key' ) && print "got key!"; |
160 |
|
|
161 |
|
=cut |
162 |
|
|
163 |
|
sub exists { |
164 |
|
my ( $self, $key ) = @_; |
165 |
|
print $sock "EXISTS $key\r\n"; |
166 |
|
sock_result(); |
167 |
|
} |
168 |
|
|
169 |
|
=head2 del |
170 |
|
|
171 |
|
$r->del( 'key' ) || warn "key doesn't exist"; |
172 |
|
|
173 |
|
=cut |
174 |
|
|
175 |
|
sub del { |
176 |
|
my ( $self, $key ) = @_; |
177 |
|
print $sock "DEL $key\r\n"; |
178 |
|
sock_result(); |
179 |
|
} |
180 |
|
|
181 |
=head1 AUTHOR |
=head1 AUTHOR |
182 |
|
|
183 |
Dobrica Pavlinusic, C<< <dpavlin at rot13.org> >> |
Dobrica Pavlinusic, C<< <dpavlin at rot13.org> >> |