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_read_bulk { |
62 |
|
my $len = <$sock>; |
63 |
|
warn "## bulk len: ",dump($len); |
64 |
|
return undef if $len eq "nil\r\n"; |
65 |
|
my $v; |
66 |
|
read($sock, $v, $len) || die $!; |
67 |
|
warn "## bulk v: ",dump($v); |
68 |
|
my $crlf; |
69 |
|
read($sock, $crlf, 2); # skip cr/lf |
70 |
|
return $v; |
71 |
|
} |
72 |
|
|
73 |
|
sub _sock_result_bulk { |
74 |
|
my $self = shift; |
75 |
|
warn "## _sock_result_bulk ",dump( @_ ); |
76 |
|
print $sock join(' ',@_) . "\r\n"; |
77 |
|
_sock_read_bulk(); |
78 |
|
} |
79 |
|
|
80 |
|
sub _sock_ok { |
81 |
|
my $ok = <$sock>; |
82 |
|
confess dump($ok) unless $ok eq "+OK\r\n"; |
83 |
|
} |
84 |
|
|
85 |
|
sub _sock_send { |
86 |
|
my $self = shift; |
87 |
|
warn "## _sock_send ",dump( @_ ); |
88 |
|
print $sock join(' ',@_) . "\r\n"; |
89 |
|
_sock_result(); |
90 |
|
} |
91 |
|
|
92 |
|
sub _sock_send_ok { |
93 |
|
my $self = shift; |
94 |
|
warn "## _sock_send_ok ",dump( @_ ); |
95 |
|
print $sock join(' ',@_) . "\r\n"; |
96 |
|
_sock_ok(); |
97 |
|
} |
98 |
|
|
99 |
|
sub _sock_send_bulk { |
100 |
|
my $self = shift; |
101 |
|
my $value = pop; |
102 |
|
print $sock join(' ',@_) . ' ' . length($value) . "\r\n$value\r\n"; |
103 |
|
_sock_ok(); |
104 |
|
} |
105 |
|
|
106 |
|
|
107 |
=head1 Connection Handling |
=head1 Connection Handling |
108 |
|
|
109 |
=head2 quit |
=head2 quit |
139 |
=cut |
=cut |
140 |
|
|
141 |
sub set { |
sub set { |
142 |
my ( $self, $k, $v, $new ) = @_; |
my ( $self, $key, $value, $new ) = @_; |
143 |
print $sock ( $new ? "SETNX" : "SET" ) . " $k " . length($v) . "\r\n$v\r\n"; |
$self->_sock_send_bulk( "SET" . ( $new ? 'NX' : '' ), $key, $value ); |
|
my $ok = <$sock>; |
|
|
confess dump($ok) unless $ok eq "+OK\r\n"; |
|
144 |
} |
} |
145 |
|
|
146 |
=head2 get |
=head2 get |
150 |
=cut |
=cut |
151 |
|
|
152 |
sub get { |
sub get { |
153 |
my ( $self, $k ) = @_; |
my $self = shift; |
154 |
print $sock "GET $k\r\n"; |
$self->_sock_result_bulk('GET', @_); |
|
my $len = <$sock>; |
|
|
# warn "# len: ",dump($len); |
|
|
return undef if $len eq "nil\r\n"; |
|
|
my $v; |
|
|
read($sock, $v, $len) || die $!; |
|
|
# warn "# v: ",dump($v); |
|
|
my $crlf; |
|
|
read($sock, $crlf, 2); # skip cr/lf |
|
|
return $v; |
|
155 |
} |
} |
156 |
|
|
157 |
=head2 incr |
=head2 incr |
161 |
|
|
162 |
=cut |
=cut |
163 |
|
|
164 |
|
|
165 |
|
|
166 |
sub incr { |
sub incr { |
167 |
|
my $self = shift; |
168 |
|
$self->_sock_send( 'INCR' . ( $#_ ? 'BY' : '' ), @_ ); |
169 |
|
} |
170 |
|
|
171 |
|
=head2 decr |
172 |
|
|
173 |
|
$r->decr('counter'); |
174 |
|
$r->decr('tripplets', 3); |
175 |
|
|
176 |
|
=cut |
177 |
|
|
178 |
|
sub decr { |
179 |
|
my $self = shift; |
180 |
|
$self->_sock_send( 'DECR' . ( $#_ ? 'BY' : '' ), @_ ); |
181 |
|
} |
182 |
|
|
183 |
|
=head2 exists |
184 |
|
|
185 |
|
$r->exists( 'key' ) && print "got key!"; |
186 |
|
|
187 |
|
=cut |
188 |
|
|
189 |
|
sub exists { |
190 |
|
my ( $self, $key ) = @_; |
191 |
|
$self->_sock_send( 'EXISTS', $key ); |
192 |
|
} |
193 |
|
|
194 |
|
=head2 del |
195 |
|
|
196 |
|
$r->del( 'key' ) || warn "key doesn't exist"; |
197 |
|
|
198 |
|
=cut |
199 |
|
|
200 |
|
sub del { |
201 |
|
my ( $self, $key ) = @_; |
202 |
|
$self->_sock_send( 'DEL', $key ); |
203 |
|
} |
204 |
|
|
205 |
|
=head2 type |
206 |
|
|
207 |
|
$r->type( 'key' ); # = string |
208 |
|
|
209 |
|
=cut |
210 |
|
|
211 |
|
sub type { |
212 |
|
my ( $self, $key ) = @_; |
213 |
|
$self->_sock_send( 'TYPE', $key ); |
214 |
|
} |
215 |
|
|
216 |
|
=head1 Commands operating on the key space |
217 |
|
|
218 |
|
=head2 keys |
219 |
|
|
220 |
|
my @keys = $r->keys( '*glob_pattern*' ); |
221 |
|
|
222 |
|
=cut |
223 |
|
|
224 |
|
sub keys { |
225 |
|
my ( $self, $glob ) = @_; |
226 |
|
return split(/\s/, $self->_sock_result_bulk( 'KEYS', $glob )); |
227 |
|
} |
228 |
|
|
229 |
|
=head2 randomkey |
230 |
|
|
231 |
|
my $key = $r->randomkey; |
232 |
|
|
233 |
|
=cut |
234 |
|
|
235 |
|
sub randomkey { |
236 |
|
my ( $self ) = @_; |
237 |
|
$self->_sock_send( 'RANDOMKEY' ); |
238 |
|
} |
239 |
|
|
240 |
|
=head2 rename |
241 |
|
|
242 |
|
my $ok = $r->rename( 'old-key', 'new-key', $new ); |
243 |
|
|
244 |
|
=cut |
245 |
|
|
246 |
|
sub rename { |
247 |
|
my ( $self, $old, $new, $nx ) = @_; |
248 |
|
$self->_sock_send_ok( 'RENAME' . ( $nx ? 'NX' : '' ), $old, $new ); |
249 |
|
} |
250 |
|
|
251 |
|
=head2 dbsize |
252 |
|
|
253 |
|
my $nr_keys = $r->dbsize; |
254 |
|
|
255 |
|
=cut |
256 |
|
|
257 |
|
sub dbsize { |
258 |
|
my ( $self ) = @_; |
259 |
|
$self->_sock_send('DBSIZE'); |
260 |
|
} |
261 |
|
|
262 |
|
=head1 Commands operating on lists |
263 |
|
|
264 |
|
=head2 rpush |
265 |
|
|
266 |
|
$r->rpush( $key, $value ); |
267 |
|
|
268 |
|
=cut |
269 |
|
|
270 |
|
sub rpush { |
271 |
my ( $self, $key, $value ) = @_; |
my ( $self, $key, $value ) = @_; |
272 |
if ( defined $value ) { |
$self->_sock_send_bulk('RPUSH', $key, $value); |
273 |
print $sock "INCRBY $key $value\r\n"; |
} |
274 |
} else { |
|
275 |
print $sock "INCR $key\r\n"; |
=head2 lpush |
276 |
|
|
277 |
|
$r->lpush( $key, $value ); |
278 |
|
|
279 |
|
=cut |
280 |
|
|
281 |
|
sub lpush { |
282 |
|
my ( $self, $key, $value ) = @_; |
283 |
|
$self->_sock_send_bulk('LPUSH', $key, $value); |
284 |
|
} |
285 |
|
|
286 |
|
=head2 llen |
287 |
|
|
288 |
|
$r->llen( $key ); |
289 |
|
|
290 |
|
=cut |
291 |
|
|
292 |
|
sub llen { |
293 |
|
my ( $self, $key ) = @_; |
294 |
|
$self->_sock_send( 'LLEN', $key ); |
295 |
|
} |
296 |
|
|
297 |
|
=head2 lrange |
298 |
|
|
299 |
|
my @list = $r->lrange( $key, $start, $end ); |
300 |
|
|
301 |
|
=cut |
302 |
|
|
303 |
|
sub lrange { |
304 |
|
my ( $self, $key, $start, $end ) = @_; |
305 |
|
my $size = $self->_sock_send('LRANGE', $key, $start, $end); |
306 |
|
|
307 |
|
confess $size unless $size > 0; |
308 |
|
$size--; |
309 |
|
|
310 |
|
my @list = ( 0 .. $size ); |
311 |
|
foreach ( 0 .. $size ) { |
312 |
|
$list[ $_ ] = _sock_read_bulk(); |
313 |
} |
} |
314 |
my $count = <$sock>; |
|
315 |
warn "# $key = $count"; |
warn "## lrange $key $start $end = [$size] ", dump( @list ); |
316 |
return $count; |
return @list; |
317 |
|
} |
318 |
|
|
319 |
|
=head2 ltrim |
320 |
|
|
321 |
|
my $ok = $r->ltrim( $key, $start, $end ); |
322 |
|
|
323 |
|
=cut |
324 |
|
|
325 |
|
sub ltrim { |
326 |
|
my ( $self, $key, $start, $end ) = @_; |
327 |
|
$self->_sock_send_ok( 'LTRIM', $key, $start, $end ); |
328 |
|
} |
329 |
|
|
330 |
|
=head2 lindex |
331 |
|
|
332 |
|
$r->lindex( $key, $index ); |
333 |
|
|
334 |
|
=cut |
335 |
|
|
336 |
|
sub lindex { |
337 |
|
my ( $self, $key, $index ) = @_; |
338 |
|
$self->_sock_result_bulk( 'LINDEX', $key, $index ); |
339 |
|
} |
340 |
|
|
341 |
|
=head2 lset |
342 |
|
|
343 |
|
$r->lset( $key, $index, $value ); |
344 |
|
|
345 |
|
=cut |
346 |
|
|
347 |
|
sub lset { |
348 |
|
my ( $self, $key, $index, $value ) = @_; |
349 |
|
$self->_sock_send_bulk( 'LSET', $key, $index, $value ); |
350 |
} |
} |
351 |
|
|
352 |
=head1 AUTHOR |
=head1 AUTHOR |