1 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
5 * Copyright (C) 2011 Data Differential, http://datadifferential.com/
6 * Copyright (C) 2006-2009 Brian Aker All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are
12 * * Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * * Redistributions in binary form must reproduce the above
16 * copyright notice, this list of conditions and the following disclaimer
17 * in the documentation and/or other materials provided with the
20 * * The names of its contributors may not be used to endorse or
21 * promote products derived from this software without specific prior
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
27 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
28 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
29 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
30 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38 #include <libmemcached/common.h>
39 #include <libmemcached/options.hpp>
40 #include <libmemcached/virtual_bucket.h>
43 #include <sys/types.h>
46 This function is used to modify the behavior of running client.
48 We quit all connections so we can reset the sockets.
51 memcached_return_t
memcached_behavior_set(memcached_st
*ptr
,
52 const memcached_behavior_t flag
,
56 return MEMCACHED_INVALID_ARGUMENTS
;
60 case MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS
:
61 ptr
->number_of_replicas
= (uint32_t)data
;
64 case MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK
:
65 ptr
->io_msg_watermark
= (uint32_t) data
;
68 case MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK
:
69 ptr
->io_bytes_watermark
= (uint32_t)data
;
72 case MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH
:
73 ptr
->io_key_prefetch
= (uint32_t)data
;
76 case MEMCACHED_BEHAVIOR_SND_TIMEOUT
:
77 ptr
->snd_timeout
= (int32_t)data
;
80 case MEMCACHED_BEHAVIOR_RCV_TIMEOUT
:
81 ptr
->rcv_timeout
= (int32_t)data
;
84 case MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS
:
85 ptr
->flags
.auto_eject_hosts
= bool(data
);
87 case MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT
:
88 ptr
->server_failure_limit
= (uint32_t)data
;
91 case MEMCACHED_BEHAVIOR_BINARY_PROTOCOL
:
92 send_quit(ptr
); // We need t shutdown all of the connections to make sure we do the correct protocol
95 ptr
->flags
.verify_key
= false;
97 ptr
->flags
.binary_protocol
= bool(data
);
100 case MEMCACHED_BEHAVIOR_SUPPORT_CAS
:
101 ptr
->flags
.support_cas
= bool(data
);
104 case MEMCACHED_BEHAVIOR_NO_BLOCK
:
105 ptr
->flags
.no_block
= bool(data
);
109 case MEMCACHED_BEHAVIOR_BUFFER_REQUESTS
:
110 ptr
->flags
.buffer_requests
= bool(data
);
114 case MEMCACHED_BEHAVIOR_USE_UDP
:
115 if (memcached_server_count(ptr
))
117 return MEMCACHED_FAILURE
;
119 ptr
->flags
.use_udp
= bool(data
);
122 ptr
->flags
.no_reply
= bool(data
);
126 case MEMCACHED_BEHAVIOR_TCP_NODELAY
:
127 ptr
->flags
.tcp_nodelay
= bool(data
);
131 case MEMCACHED_BEHAVIOR_TCP_KEEPALIVE
:
132 ptr
->flags
.tcp_keepalive
= bool(data
);
136 case MEMCACHED_BEHAVIOR_DISTRIBUTION
:
137 return memcached_behavior_set_distribution(ptr
, (memcached_server_distribution_t
)data
);
139 case MEMCACHED_BEHAVIOR_KETAMA
:
142 return memcached_behavior_set_distribution(ptr
, MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA
);
144 return memcached_behavior_set_distribution(ptr
, MEMCACHED_DISTRIBUTION_MODULA
);
147 case MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED
:
149 (void)memcached_behavior_set_key_hash(ptr
, MEMCACHED_HASH_MD5
);
150 (void)memcached_behavior_set_distribution_hash(ptr
, MEMCACHED_HASH_MD5
);
151 ptr
->ketama
.weighted
= bool(data
);
153 @note We try to keep the same distribution going. This should be deprecated and rewritten.
155 return memcached_behavior_set_distribution(ptr
, MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA
);
158 case MEMCACHED_BEHAVIOR_HASH
:
159 return memcached_behavior_set_key_hash(ptr
, (memcached_hash_t
)(data
));
161 case MEMCACHED_BEHAVIOR_KETAMA_HASH
:
162 return memcached_behavior_set_distribution_hash(ptr
, (memcached_hash_t
)(data
));
164 case MEMCACHED_BEHAVIOR_CACHE_LOOKUPS
:
165 return memcached_set_error(*ptr
, MEMCACHED_DEPRECATED
, MEMCACHED_AT
,
166 memcached_literal_param("MEMCACHED_BEHAVIOR_CACHE_LOOKUPS has been deprecated."));
168 case MEMCACHED_BEHAVIOR_VERIFY_KEY
:
169 if (ptr
->flags
.binary_protocol
)
170 return memcached_set_error(*ptr
, MEMCACHED_INVALID_ARGUMENTS
, MEMCACHED_AT
,
171 memcached_literal_param("MEMCACHED_BEHAVIOR_VERIFY_KEY if the binary protocol has been enabled."));
172 ptr
->flags
.verify_key
= bool(data
);
175 case MEMCACHED_BEHAVIOR_SORT_HOSTS
:
177 ptr
->flags
.use_sort_hosts
= bool(data
);
178 run_distribution(ptr
);
183 case MEMCACHED_BEHAVIOR_POLL_TIMEOUT
:
184 ptr
->poll_timeout
= (int32_t)data
;
187 case MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT
:
188 ptr
->connect_timeout
= (int32_t)data
;
191 case MEMCACHED_BEHAVIOR_RETRY_TIMEOUT
:
192 ptr
->retry_timeout
= (int32_t)data
;
195 case MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE
:
196 ptr
->send_size
= (int32_t)data
;
200 case MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE
:
201 ptr
->recv_size
= (int32_t)data
;
205 case MEMCACHED_BEHAVIOR_TCP_KEEPIDLE
:
206 ptr
->tcp_keepidle
= (uint32_t)data
;
210 case MEMCACHED_BEHAVIOR_USER_DATA
:
211 return memcached_set_error(*ptr
, MEMCACHED_DEPRECATED
, MEMCACHED_AT
,
212 memcached_literal_param("MEMCACHED_BEHAVIOR_USER_DATA deprecated."));
214 case MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY
:
215 ptr
->flags
.hash_with_namespace
= bool(data
);
218 case MEMCACHED_BEHAVIOR_NOREPLY
:
219 ptr
->flags
.no_reply
= bool(data
);
222 case MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS
:
223 ptr
->flags
.auto_eject_hosts
= bool(data
);
226 case MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ
:
227 srandom((uint32_t) time(NULL
));
228 ptr
->flags
.randomize_replica_read
= bool(data
);
231 case MEMCACHED_BEHAVIOR_CORK
:
232 return memcached_set_error(*ptr
, MEMCACHED_DEPRECATED
, MEMCACHED_AT
,
233 memcached_literal_param("MEMCACHED_BEHAVIOR_CORK is now incorporated into the driver by default."));
235 case MEMCACHED_BEHAVIOR_LOAD_FROM_FILE
:
236 return memcached_set_error(*ptr
, MEMCACHED_INVALID_ARGUMENTS
, MEMCACHED_AT
,
237 memcached_literal_param("MEMCACHED_BEHAVIOR_LOAD_FROM_FILE can not be set with memcached_behavior_set()"));
239 case MEMCACHED_BEHAVIOR_MAX
:
241 /* Shouldn't get here */
242 WATCHPOINT_ASSERT(0);
243 return memcached_set_error(*ptr
, MEMCACHED_INVALID_ARGUMENTS
, MEMCACHED_AT
,
244 memcached_literal_param("Invalid behavior passed to memcached_behavior_set()"));
247 return MEMCACHED_SUCCESS
;
250 bool _is_auto_eject_host(const memcached_st
*ptr
)
252 return ptr
->flags
.auto_eject_hosts
;
255 uint64_t memcached_behavior_get(memcached_st
*ptr
,
256 const memcached_behavior_t flag
)
260 return MEMCACHED_INVALID_ARGUMENTS
;
265 case MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS
:
266 return ptr
->number_of_replicas
;
268 case MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK
:
269 return ptr
->io_msg_watermark
;
271 case MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK
:
272 return ptr
->io_bytes_watermark
;
274 case MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH
:
275 return ptr
->io_key_prefetch
;
277 case MEMCACHED_BEHAVIOR_BINARY_PROTOCOL
:
278 return ptr
->flags
.binary_protocol
;
280 case MEMCACHED_BEHAVIOR_SUPPORT_CAS
:
281 return ptr
->flags
.support_cas
;
283 case MEMCACHED_BEHAVIOR_CACHE_LOOKUPS
:
286 case MEMCACHED_BEHAVIOR_NO_BLOCK
:
287 return ptr
->flags
.no_block
;
289 case MEMCACHED_BEHAVIOR_BUFFER_REQUESTS
:
290 return ptr
->flags
.buffer_requests
;
292 case MEMCACHED_BEHAVIOR_USE_UDP
:
293 return ptr
->flags
.use_udp
;
295 case MEMCACHED_BEHAVIOR_TCP_NODELAY
:
296 return ptr
->flags
.tcp_nodelay
;
298 case MEMCACHED_BEHAVIOR_VERIFY_KEY
:
299 return ptr
->flags
.verify_key
;
301 case MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED
:
302 return ptr
->ketama
.weighted
;
304 case MEMCACHED_BEHAVIOR_DISTRIBUTION
:
305 return ptr
->distribution
;
307 case MEMCACHED_BEHAVIOR_KETAMA
:
308 return (ptr
->distribution
== MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA
) ? (uint64_t) 1 : 0;
310 case MEMCACHED_BEHAVIOR_HASH
:
311 return hashkit_get_function(&ptr
->hashkit
);
313 case MEMCACHED_BEHAVIOR_KETAMA_HASH
:
314 return hashkit_get_function(&ptr
->hashkit
);
316 case MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS
:
317 case MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT
:
318 return ptr
->server_failure_limit
;
320 case MEMCACHED_BEHAVIOR_SORT_HOSTS
:
321 return ptr
->flags
.use_sort_hosts
;
323 case MEMCACHED_BEHAVIOR_POLL_TIMEOUT
:
324 return (uint64_t)ptr
->poll_timeout
;
326 case MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT
:
327 return (uint64_t)ptr
->connect_timeout
;
329 case MEMCACHED_BEHAVIOR_RETRY_TIMEOUT
:
330 return (uint64_t)ptr
->retry_timeout
;
332 case MEMCACHED_BEHAVIOR_SND_TIMEOUT
:
333 return (uint64_t)ptr
->snd_timeout
;
335 case MEMCACHED_BEHAVIOR_RCV_TIMEOUT
:
336 return (uint64_t)ptr
->rcv_timeout
;
338 case MEMCACHED_BEHAVIOR_TCP_KEEPIDLE
:
339 return (uint64_t)ptr
->tcp_keepidle
;
341 case MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE
:
344 socklen_t sock_length
= sizeof(int);
346 if (ptr
->send_size
!= -1) // If value is -1 then we are using the default
347 return (uint64_t) ptr
->send_size
;
349 memcached_server_write_instance_st instance
= memcached_server_instance_fetch(ptr
, 0);
351 if (instance
) // If we have an instance we test, otherwise we just set and pray
354 /* We just try the first host, and if it is down we return zero */
355 if (memcached_failed(memcached_connect(instance
)))
360 if (memcached_failed(memcached_io_wait_for_write(instance
)))
365 if (getsockopt(instance
->fd
, SOL_SOCKET
, SO_SNDBUF
, &sock_size
, &sock_length
) < 0)
367 memcached_set_errno(*ptr
, errno
, MEMCACHED_AT
);
368 return 0; /* Zero means error */
372 return (uint64_t) sock_size
;
375 case MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE
:
378 socklen_t sock_length
= sizeof(int);
380 if (ptr
->recv_size
!= -1) // If value is -1 then we are using the default
381 return (uint64_t) ptr
->recv_size
;
383 memcached_server_write_instance_st instance
= memcached_server_instance_fetch(ptr
, 0);
390 /* We just try the first host, and if it is down we return zero */
391 if (memcached_failed(memcached_connect(instance
)))
396 if (memcached_failed(memcached_io_wait_for_write(instance
)))
401 if (getsockopt(instance
->fd
, SOL_SOCKET
, SO_RCVBUF
, &sock_size
, &sock_length
) < 0)
403 memcached_set_errno(*ptr
, errno
, MEMCACHED_AT
);
404 return 0; /* Zero means error */
409 return (uint64_t) sock_size
;
412 case MEMCACHED_BEHAVIOR_USER_DATA
:
413 memcached_set_error(*ptr
, MEMCACHED_DEPRECATED
, MEMCACHED_AT
,
414 memcached_literal_param("MEMCACHED_BEHAVIOR_USER_DATA deprecated."));
417 case MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY
:
418 return ptr
->flags
.hash_with_namespace
;
420 case MEMCACHED_BEHAVIOR_NOREPLY
:
421 return ptr
->flags
.no_reply
;
423 case MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS
:
424 return ptr
->flags
.auto_eject_hosts
;
426 case MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ
:
427 return ptr
->flags
.randomize_replica_read
;
429 case MEMCACHED_BEHAVIOR_CORK
:
436 case MEMCACHED_BEHAVIOR_TCP_KEEPALIVE
:
437 return ptr
->flags
.tcp_keepalive
;
439 case MEMCACHED_BEHAVIOR_LOAD_FROM_FILE
:
440 return bool(memcached_parse_filename(ptr
));
442 case MEMCACHED_BEHAVIOR_MAX
:
444 WATCHPOINT_ASSERT(0); /* Programming mistake if it gets this far */
452 memcached_return_t
memcached_behavior_set_distribution(memcached_st
*ptr
, memcached_server_distribution_t type
)
454 if (type
< MEMCACHED_DISTRIBUTION_CONSISTENT_MAX
)
456 if (MEMCACHED_DISTRIBUTION_CONSISTENT_WEIGHTED
)
458 ptr
->ketama
.weighted
= true;
462 ptr
->ketama
.weighted
= false;
464 ptr
->distribution
= type
;
465 run_distribution(ptr
);
466 return MEMCACHED_SUCCESS
;
469 return memcached_set_error(*ptr
, MEMCACHED_INVALID_ARGUMENTS
, MEMCACHED_AT
,
470 memcached_literal_param("Invalid memcached_server_distribution_t"));
474 memcached_server_distribution_t
memcached_behavior_get_distribution(memcached_st
*ptr
)
476 return ptr
->distribution
;
479 memcached_return_t
memcached_behavior_set_key_hash(memcached_st
*ptr
, memcached_hash_t type
)
481 if (hashkit_success(hashkit_set_function(&ptr
->hashkit
, (hashkit_hash_algorithm_t
)type
)))
482 return MEMCACHED_SUCCESS
;
484 return memcached_set_error(*ptr
, MEMCACHED_INVALID_ARGUMENTS
, MEMCACHED_AT
,
485 memcached_literal_param("Invalid memcached_hash_t()"));
488 memcached_hash_t
memcached_behavior_get_key_hash(memcached_st
*ptr
)
490 return (memcached_hash_t
)hashkit_get_function(&ptr
->hashkit
);
493 memcached_return_t
memcached_behavior_set_distribution_hash(memcached_st
*ptr
, memcached_hash_t type
)
495 if (hashkit_success(hashkit_set_distribution_function(&ptr
->hashkit
, (hashkit_hash_algorithm_t
)type
)))
496 return MEMCACHED_SUCCESS
;
498 return memcached_set_error(*ptr
, MEMCACHED_INVALID_ARGUMENTS
, MEMCACHED_AT
,
499 memcached_literal_param("Invalid memcached_hash_t()"));
502 memcached_hash_t
memcached_behavior_get_distribution_hash(memcached_st
*ptr
)
504 return (memcached_hash_t
)hashkit_get_function(&ptr
->hashkit
);
507 const char *libmemcached_string_behavior(const memcached_behavior_t flag
)
511 case MEMCACHED_BEHAVIOR_NO_BLOCK
: return "MEMCACHED_BEHAVIOR_NO_BLOCK";
512 case MEMCACHED_BEHAVIOR_TCP_NODELAY
: return "MEMCACHED_BEHAVIOR_TCP_NODELAY";
513 case MEMCACHED_BEHAVIOR_HASH
: return "MEMCACHED_BEHAVIOR_HASH";
514 case MEMCACHED_BEHAVIOR_KETAMA
: return "MEMCACHED_BEHAVIOR_KETAMA";
515 case MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE
: return "MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE";
516 case MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE
: return "MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE";
517 case MEMCACHED_BEHAVIOR_CACHE_LOOKUPS
: return "MEMCACHED_BEHAVIOR_CACHE_LOOKUPS";
518 case MEMCACHED_BEHAVIOR_SUPPORT_CAS
: return "MEMCACHED_BEHAVIOR_SUPPORT_CAS";
519 case MEMCACHED_BEHAVIOR_POLL_TIMEOUT
: return "MEMCACHED_BEHAVIOR_POLL_TIMEOUT";
520 case MEMCACHED_BEHAVIOR_DISTRIBUTION
: return "MEMCACHED_BEHAVIOR_DISTRIBUTION";
521 case MEMCACHED_BEHAVIOR_BUFFER_REQUESTS
: return "MEMCACHED_BEHAVIOR_BUFFER_REQUESTS";
522 case MEMCACHED_BEHAVIOR_USER_DATA
: return "MEMCACHED_BEHAVIOR_USER_DATA";
523 case MEMCACHED_BEHAVIOR_SORT_HOSTS
: return "MEMCACHED_BEHAVIOR_SORT_HOSTS";
524 case MEMCACHED_BEHAVIOR_VERIFY_KEY
: return "MEMCACHED_BEHAVIOR_VERIFY_KEY";
525 case MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT
: return "MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT";
526 case MEMCACHED_BEHAVIOR_RETRY_TIMEOUT
: return "MEMCACHED_BEHAVIOR_RETRY_TIMEOUT";
527 case MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED
: return "MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED";
528 case MEMCACHED_BEHAVIOR_KETAMA_HASH
: return "MEMCACHED_BEHAVIOR_KETAMA_HASH";
529 case MEMCACHED_BEHAVIOR_BINARY_PROTOCOL
: return "MEMCACHED_BEHAVIOR_BINARY_PROTOCOL";
530 case MEMCACHED_BEHAVIOR_SND_TIMEOUT
: return "MEMCACHED_BEHAVIOR_SND_TIMEOUT";
531 case MEMCACHED_BEHAVIOR_RCV_TIMEOUT
: return "MEMCACHED_BEHAVIOR_RCV_TIMEOUT";
532 case MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT
: return "MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT";
533 case MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK
: return "MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK";
534 case MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK
: return "MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK";
535 case MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH
: return "MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH";
536 case MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY
: return "MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY";
537 case MEMCACHED_BEHAVIOR_NOREPLY
: return "MEMCACHED_BEHAVIOR_NOREPLY";
538 case MEMCACHED_BEHAVIOR_USE_UDP
: return "MEMCACHED_BEHAVIOR_USE_UDP";
539 case MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS
: return "MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS";
540 case MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS
: return "MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS";
541 case MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS
: return "MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS";
542 case MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ
: return "MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ";
543 case MEMCACHED_BEHAVIOR_CORK
: return "MEMCACHED_BEHAVIOR_CORK";
544 case MEMCACHED_BEHAVIOR_TCP_KEEPALIVE
: return "MEMCACHED_BEHAVIOR_TCP_KEEPALIVE";
545 case MEMCACHED_BEHAVIOR_TCP_KEEPIDLE
: return "MEMCACHED_BEHAVIOR_TCP_KEEPIDLE";
546 case MEMCACHED_BEHAVIOR_LOAD_FROM_FILE
: return "MEMCACHED_BEHAVIOR_LOAD_FROM_FILE";
548 case MEMCACHED_BEHAVIOR_MAX
: return "INVALID memcached_behavior_t";
552 const char *libmemcached_string_distribution(const memcached_server_distribution_t flag
)
556 case MEMCACHED_DISTRIBUTION_MODULA
: return "MEMCACHED_DISTRIBUTION_MODULA";
557 case MEMCACHED_DISTRIBUTION_CONSISTENT
: return "MEMCACHED_DISTRIBUTION_CONSISTENT";
558 case MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA
: return "MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA";
559 case MEMCACHED_DISTRIBUTION_RANDOM
: return "MEMCACHED_DISTRIBUTION_RANDOM";
560 case MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA_SPY
: return "MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA_SPY";
561 case MEMCACHED_DISTRIBUTION_CONSISTENT_WEIGHTED
: return "MEMCACHED_DISTRIBUTION_CONSISTENT_WEIGHTED";
562 case MEMCACHED_DISTRIBUTION_VIRTUAL_BUCKET
: return "MEMCACHED_DISTRIBUTION_VIRTUAL_BUCKET";
564 case MEMCACHED_DISTRIBUTION_CONSISTENT_MAX
: return "INVALID memcached_server_distribution_t";
568 memcached_return_t
memcached_bucket_set(memcached_st
*self
,
569 const uint32_t *host_map
,
570 const uint32_t *forward_map
,
571 const uint32_t buckets
,
572 const uint32_t replicas
)
574 memcached_return_t rc
;
577 return MEMCACHED_INVALID_ARGUMENTS
;
580 return MEMCACHED_INVALID_ARGUMENTS
;
582 memcached_server_distribution_t old
= memcached_behavior_get_distribution(self
);
584 if (memcached_failed(rc
=memcached_behavior_set_distribution(self
, MEMCACHED_DISTRIBUTION_VIRTUAL_BUCKET
)))
589 if (memcached_failed(rc
= memcached_virtual_bucket_create(self
, host_map
, forward_map
, buckets
, replicas
)))
591 memcached_behavior_set_distribution(self
, old
);