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_raw { |
100 |
|
my $self = shift; |
101 |
|
warn "## _sock_send_bulk ",dump( @_ ); |
102 |
|
my $value = pop; |
103 |
|
print $sock join(' ',@_) . ' ' . length($value) . "\r\n$value\r\n"; |
104 |
|
} |
105 |
|
|
106 |
|
sub _sock_send_bulk { |
107 |
|
__sock_send_bulk_raw( @_ ); |
108 |
|
__sock_ok(); |
109 |
|
} |
110 |
|
|
111 |
|
sub _sock_send_bulk_number { |
112 |
|
__sock_send_bulk_raw( @_ ); |
113 |
|
my $v = _sock_result(); |
114 |
|
confess $v unless $v =~ m{^\-?\d+$}; |
115 |
|
return $v; |
116 |
|
} |
117 |
|
|
118 |
=head1 Connection Handling |
=head1 Connection Handling |
119 |
|
|
120 |
=head2 quit |
=head2 quit |
150 |
=cut |
=cut |
151 |
|
|
152 |
sub set { |
sub set { |
153 |
my ( $self, $k, $v, $new ) = @_; |
my ( $self, $key, $value, $new ) = @_; |
154 |
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"; |
|
155 |
} |
} |
156 |
|
|
157 |
=head2 get |
=head2 get |
161 |
=cut |
=cut |
162 |
|
|
163 |
sub get { |
sub get { |
164 |
my ( $self, $k ) = @_; |
my $self = shift; |
165 |
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; |
|
166 |
} |
} |
167 |
|
|
168 |
=head2 incr |
=head2 incr |
172 |
|
|
173 |
=cut |
=cut |
174 |
|
|
|
sub sock_result { |
|
|
my $result = <$sock>; |
|
|
warn "# result: ",dump( $result ); |
|
|
$result =~ s{\r\n$}{} || warn "can't find cr/lf"; |
|
|
return $result; |
|
|
} |
|
175 |
|
|
176 |
|
|
177 |
sub incr { |
sub incr { |
178 |
my ( $self, $key, $value ) = @_; |
my $self = shift; |
179 |
if ( defined $value ) { |
$self->_sock_send( 'INCR' . ( $#_ ? 'BY' : '' ), @_ ); |
|
print $sock "INCRBY $key $value\r\n"; |
|
|
} else { |
|
|
print $sock "INCR $key\r\n"; |
|
|
} |
|
|
sock_result(); |
|
180 |
} |
} |
181 |
|
|
182 |
=head2 decr |
=head2 decr |
187 |
=cut |
=cut |
188 |
|
|
189 |
sub decr { |
sub decr { |
190 |
my ( $self, $key, $value ) = @_; |
my $self = shift; |
191 |
if ( defined $value ) { |
$self->_sock_send( 'DECR' . ( $#_ ? 'BY' : '' ), @_ ); |
|
print $sock "DECRBY $key $value\r\n"; |
|
|
} else { |
|
|
print $sock "DECR $key\r\n"; |
|
|
} |
|
|
sock_result(); |
|
192 |
} |
} |
193 |
|
|
194 |
=head2 exists |
=head2 exists |
199 |
|
|
200 |
sub exists { |
sub exists { |
201 |
my ( $self, $key ) = @_; |
my ( $self, $key ) = @_; |
202 |
print $sock "EXISTS $key\r\n"; |
$self->_sock_send( 'EXISTS', $key ); |
|
sock_result(); |
|
203 |
} |
} |
204 |
|
|
205 |
=head2 del |
=head2 del |
210 |
|
|
211 |
sub del { |
sub del { |
212 |
my ( $self, $key ) = @_; |
my ( $self, $key ) = @_; |
213 |
print $sock "DEL $key\r\n"; |
$self->_sock_send( 'DEL', $key ); |
214 |
sock_result(); |
} |
215 |
|
|
216 |
|
=head2 type |
217 |
|
|
218 |
|
$r->type( 'key' ); # = string |
219 |
|
|
220 |
|
=cut |
221 |
|
|
222 |
|
sub type { |
223 |
|
my ( $self, $key ) = @_; |
224 |
|
$self->_sock_send( 'TYPE', $key ); |
225 |
|
} |
226 |
|
|
227 |
|
=head1 Commands operating on the key space |
228 |
|
|
229 |
|
=head2 keys |
230 |
|
|
231 |
|
my @keys = $r->keys( '*glob_pattern*' ); |
232 |
|
|
233 |
|
=cut |
234 |
|
|
235 |
|
sub keys { |
236 |
|
my ( $self, $glob ) = @_; |
237 |
|
return split(/\s/, $self->_sock_result_bulk( 'KEYS', $glob )); |
238 |
|
} |
239 |
|
|
240 |
|
=head2 randomkey |
241 |
|
|
242 |
|
my $key = $r->randomkey; |
243 |
|
|
244 |
|
=cut |
245 |
|
|
246 |
|
sub randomkey { |
247 |
|
my ( $self ) = @_; |
248 |
|
$self->_sock_send( 'RANDOMKEY' ); |
249 |
|
} |
250 |
|
|
251 |
|
=head2 rename |
252 |
|
|
253 |
|
my $ok = $r->rename( 'old-key', 'new-key', $new ); |
254 |
|
|
255 |
|
=cut |
256 |
|
|
257 |
|
sub rename { |
258 |
|
my ( $self, $old, $new, $nx ) = @_; |
259 |
|
$self->_sock_send_ok( 'RENAME' . ( $nx ? 'NX' : '' ), $old, $new ); |
260 |
|
} |
261 |
|
|
262 |
|
=head2 dbsize |
263 |
|
|
264 |
|
my $nr_keys = $r->dbsize; |
265 |
|
|
266 |
|
=cut |
267 |
|
|
268 |
|
sub dbsize { |
269 |
|
my ( $self ) = @_; |
270 |
|
$self->_sock_send('DBSIZE'); |
271 |
|
} |
272 |
|
|
273 |
|
=head1 Commands operating on lists |
274 |
|
|
275 |
|
=head2 rpush |
276 |
|
|
277 |
|
$r->rpush( $key, $value ); |
278 |
|
|
279 |
|
=cut |
280 |
|
|
281 |
|
sub rpush { |
282 |
|
my ( $self, $key, $value ) = @_; |
283 |
|
$self->_sock_send_bulk('RPUSH', $key, $value); |
284 |
|
} |
285 |
|
|
286 |
|
=head2 lpush |
287 |
|
|
288 |
|
$r->lpush( $key, $value ); |
289 |
|
|
290 |
|
=cut |
291 |
|
|
292 |
|
sub lpush { |
293 |
|
my ( $self, $key, $value ) = @_; |
294 |
|
$self->_sock_send_bulk('LPUSH', $key, $value); |
295 |
|
} |
296 |
|
|
297 |
|
=head2 llen |
298 |
|
|
299 |
|
$r->llen( $key ); |
300 |
|
|
301 |
|
=cut |
302 |
|
|
303 |
|
sub llen { |
304 |
|
my ( $self, $key ) = @_; |
305 |
|
$self->_sock_send( 'LLEN', $key ); |
306 |
|
} |
307 |
|
|
308 |
|
=head2 lrange |
309 |
|
|
310 |
|
my @list = $r->lrange( $key, $start, $end ); |
311 |
|
|
312 |
|
=cut |
313 |
|
|
314 |
|
sub lrange { |
315 |
|
my ( $self, $key, $start, $end ) = @_; |
316 |
|
my $size = $self->_sock_send('LRANGE', $key, $start, $end); |
317 |
|
|
318 |
|
confess $size unless $size > 0; |
319 |
|
$size--; |
320 |
|
|
321 |
|
my @list = ( 0 .. $size ); |
322 |
|
foreach ( 0 .. $size ) { |
323 |
|
$list[ $_ ] = _sock_read_bulk(); |
324 |
|
} |
325 |
|
|
326 |
|
warn "## lrange $key $start $end = [$size] ", dump( @list ); |
327 |
|
return @list; |
328 |
|
} |
329 |
|
|
330 |
|
=head2 ltrim |
331 |
|
|
332 |
|
my $ok = $r->ltrim( $key, $start, $end ); |
333 |
|
|
334 |
|
=cut |
335 |
|
|
336 |
|
sub ltrim { |
337 |
|
my ( $self, $key, $start, $end ) = @_; |
338 |
|
$self->_sock_send_ok( 'LTRIM', $key, $start, $end ); |
339 |
|
} |
340 |
|
|
341 |
|
=head2 lindex |
342 |
|
|
343 |
|
$r->lindex( $key, $index ); |
344 |
|
|
345 |
|
=cut |
346 |
|
|
347 |
|
sub lindex { |
348 |
|
my ( $self, $key, $index ) = @_; |
349 |
|
$self->_sock_result_bulk( 'LINDEX', $key, $index ); |
350 |
|
} |
351 |
|
|
352 |
|
=head2 lset |
353 |
|
|
354 |
|
$r->lset( $key, $index, $value ); |
355 |
|
|
356 |
|
=cut |
357 |
|
|
358 |
|
sub lset { |
359 |
|
my ( $self, $key, $index, $value ) = @_; |
360 |
|
$self->_sock_send_bulk( 'LSET', $key, $index, $value ); |
361 |
|
} |
362 |
|
|
363 |
|
=head2 lrem |
364 |
|
|
365 |
|
my $modified_count = $r->lrem( $key, $count, $value ); |
366 |
|
|
367 |
|
=cut |
368 |
|
|
369 |
|
sub lrem { |
370 |
|
my ( $self, $key, $count, $value ) = @_; |
371 |
|
$self->_sock_send_bulk_number( 'LREM', $key, $count, $value ); |
372 |
|
} |
373 |
|
|
374 |
|
=head2 lpop |
375 |
|
|
376 |
|
my $value = $r->lpop( $key ); |
377 |
|
|
378 |
|
=cut |
379 |
|
|
380 |
|
sub lpop { |
381 |
|
my ( $self, $key ) = @_; |
382 |
|
$self->_sock_result_bulk( 'lpop', $key ); |
383 |
|
} |
384 |
|
|
385 |
|
=head2 rpop |
386 |
|
|
387 |
|
my $value = $r->rpop( $key ); |
388 |
|
|
389 |
|
=cut |
390 |
|
|
391 |
|
sub rpop { |
392 |
|
my ( $self, $key ) = @_; |
393 |
|
$self->_sock_result_bulk( 'rpop', $key ); |
394 |
} |
} |
395 |
|
|
396 |
=head1 AUTHOR |
=head1 AUTHOR |