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 |
|
if ( $len > 0 ) { |
67 |
|
read($sock, $v, $len) || die $!; |
68 |
|
warn "## bulk v: ",dump($v); |
69 |
|
} |
70 |
|
my $crlf; |
71 |
|
read($sock, $crlf, 2); # skip cr/lf |
72 |
|
return $v; |
73 |
|
} |
74 |
|
|
75 |
|
sub _sock_result_bulk { |
76 |
|
my $self = shift; |
77 |
|
warn "## _sock_result_bulk ",dump( @_ ); |
78 |
|
print $sock join(' ',@_) . "\r\n"; |
79 |
|
_sock_read_bulk(); |
80 |
|
} |
81 |
|
|
82 |
|
sub __sock_ok { |
83 |
|
my $ok = <$sock>; |
84 |
|
return undef if $ok eq "nil\r\n"; |
85 |
|
confess dump($ok) unless $ok eq "+OK\r\n"; |
86 |
|
} |
87 |
|
|
88 |
|
sub _sock_send { |
89 |
|
my $self = shift; |
90 |
|
warn "## _sock_send ",dump( @_ ); |
91 |
|
print $sock join(' ',@_) . "\r\n"; |
92 |
|
_sock_result(); |
93 |
|
} |
94 |
|
|
95 |
|
sub _sock_send_ok { |
96 |
|
my $self = shift; |
97 |
|
warn "## _sock_send_ok ",dump( @_ ); |
98 |
|
print $sock join(' ',@_) . "\r\n"; |
99 |
|
__sock_ok(); |
100 |
|
} |
101 |
|
|
102 |
|
sub __sock_send_bulk_raw { |
103 |
|
my $self = shift; |
104 |
|
warn "## _sock_send_bulk ",dump( @_ ); |
105 |
|
my $value = pop; |
106 |
|
$value = '' unless defined $value; # FIXME errr? nil? |
107 |
|
print $sock join(' ',@_) . ' ' . length($value) . "\r\n$value\r\n" |
108 |
|
} |
109 |
|
|
110 |
|
sub _sock_send_bulk { |
111 |
|
__sock_send_bulk_raw( @_ ); |
112 |
|
__sock_ok(); |
113 |
|
} |
114 |
|
|
115 |
|
sub _sock_send_bulk_number { |
116 |
|
__sock_send_bulk_raw( @_ ); |
117 |
|
my $v = _sock_result(); |
118 |
|
confess $v unless $v =~ m{^\-?\d+$}; |
119 |
|
return $v; |
120 |
|
} |
121 |
|
|
122 |
=head1 Connection Handling |
=head1 Connection Handling |
123 |
|
|
124 |
=head2 quit |
=head2 quit |
154 |
=cut |
=cut |
155 |
|
|
156 |
sub set { |
sub set { |
157 |
my ( $self, $k, $v, $new ) = @_; |
my ( $self, $key, $value, $new ) = @_; |
158 |
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"; |
|
159 |
} |
} |
160 |
|
|
161 |
=head2 get |
=head2 get |
165 |
=cut |
=cut |
166 |
|
|
167 |
sub get { |
sub get { |
168 |
my ( $self, $k ) = @_; |
my $self = shift; |
169 |
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; |
|
170 |
} |
} |
171 |
|
|
172 |
=head2 incr |
=head2 incr |
176 |
|
|
177 |
=cut |
=cut |
178 |
|
|
179 |
|
|
180 |
|
|
181 |
sub incr { |
sub incr { |
182 |
|
my $self = shift; |
183 |
|
$self->_sock_send( 'INCR' . ( $#_ ? 'BY' : '' ), @_ ); |
184 |
|
} |
185 |
|
|
186 |
|
=head2 decr |
187 |
|
|
188 |
|
$r->decr('counter'); |
189 |
|
$r->decr('tripplets', 3); |
190 |
|
|
191 |
|
=cut |
192 |
|
|
193 |
|
sub decr { |
194 |
|
my $self = shift; |
195 |
|
$self->_sock_send( 'DECR' . ( $#_ ? 'BY' : '' ), @_ ); |
196 |
|
} |
197 |
|
|
198 |
|
=head2 exists |
199 |
|
|
200 |
|
$r->exists( 'key' ) && print "got key!"; |
201 |
|
|
202 |
|
=cut |
203 |
|
|
204 |
|
sub exists { |
205 |
|
my ( $self, $key ) = @_; |
206 |
|
$self->_sock_send( 'EXISTS', $key ); |
207 |
|
} |
208 |
|
|
209 |
|
=head2 del |
210 |
|
|
211 |
|
$r->del( 'key' ) || warn "key doesn't exist"; |
212 |
|
|
213 |
|
=cut |
214 |
|
|
215 |
|
sub del { |
216 |
|
my ( $self, $key ) = @_; |
217 |
|
$self->_sock_send( 'DEL', $key ); |
218 |
|
} |
219 |
|
|
220 |
|
=head2 type |
221 |
|
|
222 |
|
$r->type( 'key' ); # = string |
223 |
|
|
224 |
|
=cut |
225 |
|
|
226 |
|
sub type { |
227 |
|
my ( $self, $key ) = @_; |
228 |
|
$self->_sock_send( 'TYPE', $key ); |
229 |
|
} |
230 |
|
|
231 |
|
=head1 Commands operating on the key space |
232 |
|
|
233 |
|
=head2 keys |
234 |
|
|
235 |
|
my @keys = $r->keys( '*glob_pattern*' ); |
236 |
|
|
237 |
|
=cut |
238 |
|
|
239 |
|
sub keys { |
240 |
|
my ( $self, $glob ) = @_; |
241 |
|
return split(/\s/, $self->_sock_result_bulk( 'KEYS', $glob )); |
242 |
|
} |
243 |
|
|
244 |
|
=head2 randomkey |
245 |
|
|
246 |
|
my $key = $r->randomkey; |
247 |
|
|
248 |
|
=cut |
249 |
|
|
250 |
|
sub randomkey { |
251 |
|
my ( $self ) = @_; |
252 |
|
$self->_sock_send( 'RANDOMKEY' ); |
253 |
|
} |
254 |
|
|
255 |
|
=head2 rename |
256 |
|
|
257 |
|
my $ok = $r->rename( 'old-key', 'new-key', $new ); |
258 |
|
|
259 |
|
=cut |
260 |
|
|
261 |
|
sub rename { |
262 |
|
my ( $self, $old, $new, $nx ) = @_; |
263 |
|
$self->_sock_send_ok( 'RENAME' . ( $nx ? 'NX' : '' ), $old, $new ); |
264 |
|
} |
265 |
|
|
266 |
|
=head2 dbsize |
267 |
|
|
268 |
|
my $nr_keys = $r->dbsize; |
269 |
|
|
270 |
|
=cut |
271 |
|
|
272 |
|
sub dbsize { |
273 |
|
my ( $self ) = @_; |
274 |
|
$self->_sock_send('DBSIZE'); |
275 |
|
} |
276 |
|
|
277 |
|
=head1 Commands operating on lists |
278 |
|
|
279 |
|
=head2 rpush |
280 |
|
|
281 |
|
$r->rpush( $key, $value ); |
282 |
|
|
283 |
|
=cut |
284 |
|
|
285 |
|
sub rpush { |
286 |
my ( $self, $key, $value ) = @_; |
my ( $self, $key, $value ) = @_; |
287 |
if ( defined $value ) { |
$self->_sock_send_bulk('RPUSH', $key, $value); |
288 |
print $sock "INCRBY $key $value\r\n"; |
} |
289 |
} else { |
|
290 |
print $sock "INCR $key\r\n"; |
=head2 lpush |
291 |
|
|
292 |
|
$r->lpush( $key, $value ); |
293 |
|
|
294 |
|
=cut |
295 |
|
|
296 |
|
sub lpush { |
297 |
|
my ( $self, $key, $value ) = @_; |
298 |
|
$self->_sock_send_bulk('LPUSH', $key, $value); |
299 |
|
} |
300 |
|
|
301 |
|
=head2 llen |
302 |
|
|
303 |
|
$r->llen( $key ); |
304 |
|
|
305 |
|
=cut |
306 |
|
|
307 |
|
sub llen { |
308 |
|
my ( $self, $key ) = @_; |
309 |
|
$self->_sock_send( 'LLEN', $key ); |
310 |
|
} |
311 |
|
|
312 |
|
=head2 lrange |
313 |
|
|
314 |
|
my @list = $r->lrange( $key, $start, $end ); |
315 |
|
|
316 |
|
=cut |
317 |
|
|
318 |
|
sub lrange { |
319 |
|
my ( $self, $key, $start, $end ) = @_; |
320 |
|
my $size = $self->_sock_send('LRANGE', $key, $start, $end); |
321 |
|
|
322 |
|
confess $size unless $size > 0; |
323 |
|
$size--; |
324 |
|
|
325 |
|
my @list = ( 0 .. $size ); |
326 |
|
foreach ( 0 .. $size ) { |
327 |
|
$list[ $_ ] = _sock_read_bulk(); |
328 |
} |
} |
329 |
my $count = <$sock>; |
|
330 |
warn "# $key = $count"; |
warn "## lrange $key $start $end = [$size] ", dump( @list ); |
331 |
return $count; |
return @list; |
332 |
|
} |
333 |
|
|
334 |
|
=head2 ltrim |
335 |
|
|
336 |
|
my $ok = $r->ltrim( $key, $start, $end ); |
337 |
|
|
338 |
|
=cut |
339 |
|
|
340 |
|
sub ltrim { |
341 |
|
my ( $self, $key, $start, $end ) = @_; |
342 |
|
$self->_sock_send_ok( 'LTRIM', $key, $start, $end ); |
343 |
|
} |
344 |
|
|
345 |
|
=head2 lindex |
346 |
|
|
347 |
|
$r->lindex( $key, $index ); |
348 |
|
|
349 |
|
=cut |
350 |
|
|
351 |
|
sub lindex { |
352 |
|
my ( $self, $key, $index ) = @_; |
353 |
|
$self->_sock_result_bulk( 'LINDEX', $key, $index ); |
354 |
|
} |
355 |
|
|
356 |
|
=head2 lset |
357 |
|
|
358 |
|
$r->lset( $key, $index, $value ); |
359 |
|
|
360 |
|
=cut |
361 |
|
|
362 |
|
sub lset { |
363 |
|
my ( $self, $key, $index, $value ) = @_; |
364 |
|
$self->_sock_send_bulk( 'LSET', $key, $index, $value ); |
365 |
|
} |
366 |
|
|
367 |
|
=head2 lrem |
368 |
|
|
369 |
|
my $modified_count = $r->lrem( $key, $count, $value ); |
370 |
|
|
371 |
|
=cut |
372 |
|
|
373 |
|
sub lrem { |
374 |
|
my ( $self, $key, $count, $value ) = @_; |
375 |
|
$self->_sock_send_bulk_number( 'LREM', $key, $count, $value ); |
376 |
|
} |
377 |
|
|
378 |
|
=head2 lpop |
379 |
|
|
380 |
|
my $value = $r->lpop( $key ); |
381 |
|
|
382 |
|
=cut |
383 |
|
|
384 |
|
sub lpop { |
385 |
|
my ( $self, $key ) = @_; |
386 |
|
$self->_sock_result_bulk( 'LPOP', $key ); |
387 |
|
} |
388 |
|
|
389 |
|
=head2 rpop |
390 |
|
|
391 |
|
my $value = $r->rpop( $key ); |
392 |
|
|
393 |
|
=cut |
394 |
|
|
395 |
|
sub rpop { |
396 |
|
my ( $self, $key ) = @_; |
397 |
|
$self->_sock_result_bulk( 'RPOP', $key ); |
398 |
|
} |
399 |
|
|
400 |
|
=head1 Commands operating on sets |
401 |
|
|
402 |
|
=head2 sadd |
403 |
|
|
404 |
|
$r->sadd( $key, $member ); |
405 |
|
|
406 |
|
=cut |
407 |
|
|
408 |
|
sub sadd { |
409 |
|
my ( $self, $key, $member ) = @_; |
410 |
|
$self->_sock_send_bulk_number( 'SADD', $key, $member ); |
411 |
|
} |
412 |
|
|
413 |
|
=head2 srem |
414 |
|
|
415 |
|
$r->srem( $key, $member ); |
416 |
|
|
417 |
|
=cut |
418 |
|
|
419 |
|
sub srem { |
420 |
|
my ( $self, $key, $member ) = @_; |
421 |
|
$self->_sock_send_bulk_number( 'SREM', $key, $member ); |
422 |
|
} |
423 |
|
|
424 |
|
=head2 scard |
425 |
|
|
426 |
|
my $elements = $r->scard( $key ); |
427 |
|
|
428 |
|
=cut |
429 |
|
|
430 |
|
sub scard { |
431 |
|
my ( $self, $key ) = @_; |
432 |
|
$self->_sock_send( 'SCARD', $key ); |
433 |
} |
} |
434 |
|
|
435 |
=head1 AUTHOR |
=head1 AUTHOR |