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 |
|
|
51 |
$self; |
$self; |
52 |
} |
} |
53 |
|
|
54 |
|
sub _sock_result { |
55 |
|
my $result = <$sock>; |
56 |
|
warn "# result: ",dump( $result ); |
57 |
|
$result =~ s{\r\n$}{} || warn "can't find cr/lf"; |
58 |
|
return $result; |
59 |
|
} |
60 |
|
|
61 |
|
sub _sock_result_bulk { |
62 |
|
my $len = <$sock>; |
63 |
|
warn "# len: ",dump($len); |
64 |
|
return undef if $len eq "nil\r\n"; |
65 |
|
my $v; |
66 |
|
read($sock, $v, $len) || die $!; |
67 |
|
warn "# v: ",dump($v); |
68 |
|
my $crlf; |
69 |
|
read($sock, $crlf, 2); # skip cr/lf |
70 |
|
return $v; |
71 |
|
} |
72 |
|
|
73 |
|
sub _sock_ok { |
74 |
|
my $ok = <$sock>; |
75 |
|
confess dump($ok) unless $ok eq "+OK\r\n"; |
76 |
|
} |
77 |
|
|
78 |
|
sub _sock_send_bulk { |
79 |
|
my ( $self, $command, $key, $value ) = @_; |
80 |
|
print $sock "$command $key " . length($value) . "\r\n$value\r\n"; |
81 |
|
_sock_ok(); |
82 |
|
} |
83 |
|
|
84 |
|
|
85 |
=head1 Connection Handling |
=head1 Connection Handling |
86 |
|
|
87 |
=head2 quit |
=head2 quit |
98 |
|
|
99 |
=head2 ping |
=head2 ping |
100 |
|
|
101 |
$r->ping || die "no server?"; |
$r->ping || die "no server?"; |
102 |
|
|
103 |
=cut |
=cut |
104 |
|
|
108 |
die "ping failed, got ", dump($pong) unless $pong eq "+PONG\r\n"; |
die "ping failed, got ", dump($pong) unless $pong eq "+PONG\r\n"; |
109 |
} |
} |
110 |
|
|
111 |
|
=head1 Commands operating on string values |
112 |
|
|
113 |
|
=head2 set |
114 |
|
|
115 |
|
$r->set( foo => 'bar', $new ); |
116 |
|
|
117 |
|
=cut |
118 |
|
|
119 |
|
sub set { |
120 |
|
my ( $self, $key, $value, $new ) = @_; |
121 |
|
$self->_sock_send_bulk( "SET" . ( $new ? 'NX' : '' ), $key, $value ); |
122 |
|
} |
123 |
|
|
124 |
|
=head2 get |
125 |
|
|
126 |
|
my $value = $r->get( 'foo' ); |
127 |
|
|
128 |
|
=cut |
129 |
|
|
130 |
|
sub get { |
131 |
|
my ( $self, $k ) = @_; |
132 |
|
print $sock "GET $k\r\n"; |
133 |
|
_sock_result_bulk(); |
134 |
|
} |
135 |
|
|
136 |
|
=head2 incr |
137 |
|
|
138 |
|
$r->incr('counter'); |
139 |
|
$r->incr('tripplets', 3); |
140 |
|
|
141 |
|
=cut |
142 |
|
|
143 |
|
|
144 |
|
|
145 |
|
sub incr { |
146 |
|
my ( $self, $key, $value ) = @_; |
147 |
|
if ( defined $value ) { |
148 |
|
print $sock "INCRBY $key $value\r\n"; |
149 |
|
} else { |
150 |
|
print $sock "INCR $key\r\n"; |
151 |
|
} |
152 |
|
_sock_result(); |
153 |
|
} |
154 |
|
|
155 |
|
=head2 decr |
156 |
|
|
157 |
|
$r->decr('counter'); |
158 |
|
$r->decr('tripplets', 3); |
159 |
|
|
160 |
|
=cut |
161 |
|
|
162 |
|
sub decr { |
163 |
|
my ( $self, $key, $value ) = @_; |
164 |
|
if ( defined $value ) { |
165 |
|
print $sock "DECRBY $key $value\r\n"; |
166 |
|
} else { |
167 |
|
print $sock "DECR $key\r\n"; |
168 |
|
} |
169 |
|
_sock_result(); |
170 |
|
} |
171 |
|
|
172 |
|
=head2 exists |
173 |
|
|
174 |
|
$r->exists( 'key' ) && print "got key!"; |
175 |
|
|
176 |
|
=cut |
177 |
|
|
178 |
|
sub exists { |
179 |
|
my ( $self, $key ) = @_; |
180 |
|
print $sock "EXISTS $key\r\n"; |
181 |
|
_sock_result(); |
182 |
|
} |
183 |
|
|
184 |
|
=head2 del |
185 |
|
|
186 |
|
$r->del( 'key' ) || warn "key doesn't exist"; |
187 |
|
|
188 |
|
=cut |
189 |
|
|
190 |
|
sub del { |
191 |
|
my ( $self, $key ) = @_; |
192 |
|
print $sock "DEL $key\r\n"; |
193 |
|
_sock_result(); |
194 |
|
} |
195 |
|
|
196 |
|
=head2 type |
197 |
|
|
198 |
|
$r->type( 'key' ); # = string |
199 |
|
|
200 |
|
=cut |
201 |
|
|
202 |
|
sub type { |
203 |
|
my ( $self, $key ) = @_; |
204 |
|
print $sock "TYPE $key\r\n"; |
205 |
|
_sock_result(); |
206 |
|
} |
207 |
|
|
208 |
|
=head1 Commands operating on the key space |
209 |
|
|
210 |
|
=head2 keys |
211 |
|
|
212 |
|
my @keys = $r->keys( '*glob_pattern*' ); |
213 |
|
|
214 |
|
=cut |
215 |
|
|
216 |
|
sub keys { |
217 |
|
my ( $self, $glob ) = @_; |
218 |
|
print $sock "KEYS $glob\r\n"; |
219 |
|
return split(/\s/, _sock_result_bulk()); |
220 |
|
} |
221 |
|
|
222 |
|
=head2 randomkey |
223 |
|
|
224 |
|
my $key = $r->randomkey; |
225 |
|
|
226 |
|
=cut |
227 |
|
|
228 |
|
sub randomkey { |
229 |
|
my ( $self ) = @_; |
230 |
|
print $sock "RANDOMKEY\r\n"; |
231 |
|
_sock_result(); |
232 |
|
} |
233 |
|
|
234 |
|
=head2 rename |
235 |
|
|
236 |
|
my $ok = $r->rename( 'old-key', 'new-key', $new ); |
237 |
|
|
238 |
|
=cut |
239 |
|
|
240 |
|
sub rename { |
241 |
|
my ( $self, $old, $new, $nx ) = @_; |
242 |
|
print $sock "RENAME" . ( $nx ? 'NX' : '' ) . " $old $new\r\n"; |
243 |
|
_sock_ok(); |
244 |
|
} |
245 |
|
|
246 |
|
=head2 dbsize |
247 |
|
|
248 |
|
my $nr_keys = $r->dbsize; |
249 |
|
|
250 |
|
=cut |
251 |
|
|
252 |
|
sub dbsize { |
253 |
|
my ( $self ) = @_; |
254 |
|
print $sock "DBSIZE\r\n"; |
255 |
|
_sock_result(); |
256 |
|
} |
257 |
|
|
258 |
|
=head1 Commands operating on lists |
259 |
|
|
260 |
|
=head2 rpush |
261 |
|
|
262 |
|
$r->rpush( $key, $value ); |
263 |
|
|
264 |
|
=cut |
265 |
|
|
266 |
|
sub rpush { |
267 |
|
my ( $self, $key, $value ) = @_; |
268 |
|
$self->_sock_send_bulk('RPUSH', $key, $value); |
269 |
|
} |
270 |
|
|
271 |
|
=head2 lpush |
272 |
|
|
273 |
|
$r->lpush( $key, $value ); |
274 |
|
|
275 |
|
=cut |
276 |
|
|
277 |
|
sub lpush { |
278 |
|
my ( $self, $key, $value ) = @_; |
279 |
|
$self->_sock_send_bulk('LPUSH', $key, $value); |
280 |
|
} |
281 |
|
|
282 |
=head1 AUTHOR |
=head1 AUTHOR |
283 |
|
|
284 |
Dobrica Pavlinusic, C<< <dpavlin at rot13.org> >> |
Dobrica Pavlinusic, C<< <dpavlin at rot13.org> >> |