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>
45 bool memcached_is_consistent_distribution(const Memcached
* memc
)
47 switch (memc
->distribution
)
49 case MEMCACHED_DISTRIBUTION_CONSISTENT
:
50 case MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA
:
51 case MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA_SPY
:
52 case MEMCACHED_DISTRIBUTION_CONSISTENT_WEIGHTED
:
55 case MEMCACHED_DISTRIBUTION_MODULA
:
56 case MEMCACHED_DISTRIBUTION_RANDOM
:
57 case MEMCACHED_DISTRIBUTION_VIRTUAL_BUCKET
:
58 case MEMCACHED_DISTRIBUTION_CONSISTENT_MAX
:
66 This function is used to modify the behavior of running client.
68 We quit all connections so we can reset the sockets.
71 memcached_return_t
memcached_behavior_set(memcached_st
*shell
,
72 const memcached_behavior_t flag
,
75 Memcached
* ptr
= memcached2Memcached(shell
);
78 return MEMCACHED_INVALID_ARGUMENTS
;
83 case MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS
:
84 ptr
->number_of_replicas
= (uint32_t)data
;
87 case MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK
:
88 ptr
->io_msg_watermark
= (uint32_t) data
;
91 case MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK
:
92 ptr
->io_bytes_watermark
= (uint32_t)data
;
95 case MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH
:
96 ptr
->io_key_prefetch
= (uint32_t)data
;
99 case MEMCACHED_BEHAVIOR_SND_TIMEOUT
:
100 ptr
->snd_timeout
= (int32_t)data
;
103 case MEMCACHED_BEHAVIOR_RCV_TIMEOUT
:
104 ptr
->rcv_timeout
= (int32_t)data
;
107 case MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS
:
108 ptr
->flags
.auto_eject_hosts
= bool(data
);
111 case MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT
:
114 return memcached_set_error(*ptr
, MEMCACHED_INVALID_ARGUMENTS
, MEMCACHED_AT
,
115 memcached_literal_param("MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT requires a value greater then zero."));
117 ptr
->server_failure_limit
= uint32_t(data
);
120 case MEMCACHED_BEHAVIOR_SERVER_TIMEOUT_LIMIT
:
121 ptr
->server_timeout_limit
= uint32_t(data
);
124 case MEMCACHED_BEHAVIOR_BINARY_PROTOCOL
:
125 send_quit(ptr
); // We need t shutdown all of the connections to make sure we do the correct protocol
128 ptr
->flags
.verify_key
= false;
130 ptr
->flags
.binary_protocol
= bool(data
);
133 case MEMCACHED_BEHAVIOR_SUPPORT_CAS
:
134 ptr
->flags
.support_cas
= bool(data
);
137 case MEMCACHED_BEHAVIOR_NO_BLOCK
:
138 ptr
->flags
.no_block
= bool(data
);
142 case MEMCACHED_BEHAVIOR_BUFFER_REQUESTS
:
143 if (memcached_is_udp(ptr
))
145 return memcached_set_error(*ptr
, MEMCACHED_INVALID_ARGUMENTS
, MEMCACHED_AT
,
146 memcached_literal_param("MEMCACHED_BEHAVIOR_BUFFER_REQUESTS cannot be set while MEMCACHED_BEHAVIOR_USE_UDP is enabled."));
148 ptr
->flags
.buffer_requests
= bool(data
);
152 case MEMCACHED_BEHAVIOR_USE_UDP
:
153 send_quit(ptr
); // We need t shutdown all of the connections to make sure we do the correct protocol
154 ptr
->flags
.use_udp
= bool(data
);
157 ptr
->flags
.reply
= false;
158 ptr
->flags
.buffer_requests
= false;
162 ptr
->flags
.reply
= true;
166 case MEMCACHED_BEHAVIOR_TCP_NODELAY
:
167 ptr
->flags
.tcp_nodelay
= bool(data
);
171 case MEMCACHED_BEHAVIOR_TCP_KEEPALIVE
:
172 ptr
->flags
.tcp_keepalive
= bool(data
);
176 case MEMCACHED_BEHAVIOR_DISTRIBUTION
:
177 return memcached_behavior_set_distribution(ptr
, (memcached_server_distribution_t
)data
);
179 case MEMCACHED_BEHAVIOR_KETAMA
:
183 return memcached_behavior_set_distribution(ptr
, MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA
);
186 return memcached_behavior_set_distribution(ptr
, MEMCACHED_DISTRIBUTION_MODULA
);
189 case MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED
:
191 if (bool(data
) == false)
193 return memcached_behavior_set(ptr
, MEMCACHED_BEHAVIOR_KETAMA
, true);
196 (void)memcached_behavior_set_key_hash(ptr
, MEMCACHED_HASH_MD5
);
197 (void)memcached_behavior_set_distribution_hash(ptr
, MEMCACHED_HASH_MD5
);
199 @note We try to keep the same distribution going. This should be deprecated and rewritten.
201 return memcached_behavior_set_distribution(ptr
, MEMCACHED_DISTRIBUTION_CONSISTENT_WEIGHTED
);
204 case MEMCACHED_BEHAVIOR_HASH
:
205 return memcached_behavior_set_key_hash(ptr
, (memcached_hash_t
)(data
));
207 case MEMCACHED_BEHAVIOR_KETAMA_HASH
:
208 return memcached_behavior_set_distribution_hash(ptr
, (memcached_hash_t
)(data
));
210 case MEMCACHED_BEHAVIOR_CACHE_LOOKUPS
:
211 return memcached_set_error(*ptr
, MEMCACHED_DEPRECATED
, MEMCACHED_AT
,
212 memcached_literal_param("MEMCACHED_BEHAVIOR_CACHE_LOOKUPS has been deprecated."));
214 case MEMCACHED_BEHAVIOR_VERIFY_KEY
:
215 if (ptr
->flags
.binary_protocol
)
217 return memcached_set_error(*ptr
, MEMCACHED_INVALID_ARGUMENTS
, MEMCACHED_AT
,
218 memcached_literal_param("MEMCACHED_BEHAVIOR_VERIFY_KEY if the binary protocol has been enabled."));
220 ptr
->flags
.verify_key
= bool(data
);
223 case MEMCACHED_BEHAVIOR_SORT_HOSTS
:
225 ptr
->flags
.use_sort_hosts
= bool(data
);
226 return run_distribution(ptr
);
229 case MEMCACHED_BEHAVIOR_POLL_TIMEOUT
:
230 ptr
->poll_timeout
= (int32_t)data
;
233 case MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT
:
234 ptr
->connect_timeout
= (int32_t)data
;
237 case MEMCACHED_BEHAVIOR_RETRY_TIMEOUT
:
238 ptr
->retry_timeout
= int32_t(data
);
241 case MEMCACHED_BEHAVIOR_DEAD_TIMEOUT
:
242 ptr
->dead_timeout
= int32_t(data
);
245 case MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE
:
246 ptr
->send_size
= (int32_t)data
;
250 case MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE
:
251 ptr
->recv_size
= (int32_t)data
;
255 case MEMCACHED_BEHAVIOR_TCP_KEEPIDLE
:
256 ptr
->tcp_keepidle
= (uint32_t)data
;
260 case MEMCACHED_BEHAVIOR_USER_DATA
:
261 return memcached_set_error(*ptr
, MEMCACHED_DEPRECATED
, MEMCACHED_AT
,
262 memcached_literal_param("MEMCACHED_BEHAVIOR_USER_DATA deprecated."));
264 case MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY
:
265 ptr
->flags
.hash_with_namespace
= bool(data
);
268 case MEMCACHED_BEHAVIOR_NOREPLY
:
269 if (memcached_is_udp(ptr
) and bool(data
) == false)
271 return memcached_set_error(*ptr
, MEMCACHED_INVALID_ARGUMENTS
, MEMCACHED_AT
,
272 memcached_literal_param("MEMCACHED_BEHAVIOR_NOREPLY cannot be disabled while MEMCACHED_BEHAVIOR_USE_UDP is enabled."));
274 // We reverse the logic here to make it easier to understand throughout the
276 ptr
->flags
.reply
= bool(data
) ? false : true;
279 case MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS
:
280 ptr
->flags
.auto_eject_hosts
= bool(data
);
283 case MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ
:
284 srandom((uint32_t) time(NULL
));
285 ptr
->flags
.randomize_replica_read
= bool(data
);
288 case MEMCACHED_BEHAVIOR_CORK
:
289 return memcached_set_error(*ptr
, MEMCACHED_DEPRECATED
, MEMCACHED_AT
,
290 memcached_literal_param("MEMCACHED_BEHAVIOR_CORK is now incorporated into the driver by default."));
292 case MEMCACHED_BEHAVIOR_LOAD_FROM_FILE
:
293 return memcached_set_error(*ptr
, MEMCACHED_INVALID_ARGUMENTS
, MEMCACHED_AT
,
294 memcached_literal_param("MEMCACHED_BEHAVIOR_LOAD_FROM_FILE can not be set with memcached_behavior_set()"));
296 case MEMCACHED_BEHAVIOR_MAX
:
298 /* Shouldn't get here */
299 assert_msg(0, "Invalid behavior passed to memcached_behavior_set()");
300 return memcached_set_error(*ptr
, MEMCACHED_INVALID_ARGUMENTS
, MEMCACHED_AT
,
301 memcached_literal_param("Invalid behavior passed to memcached_behavior_set()"));
304 return MEMCACHED_SUCCESS
;
307 bool _is_auto_eject_host(const memcached_st
*ptr
)
309 return ptr
->flags
.auto_eject_hosts
;
312 uint64_t memcached_behavior_get(memcached_st
*shell
,
313 const memcached_behavior_t flag
)
315 Memcached
* ptr
= memcached2Memcached(shell
);
318 return MEMCACHED_INVALID_ARGUMENTS
;
323 case MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS
:
324 return ptr
->number_of_replicas
;
326 case MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK
:
327 return ptr
->io_msg_watermark
;
329 case MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK
:
330 return ptr
->io_bytes_watermark
;
332 case MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH
:
333 return ptr
->io_key_prefetch
;
335 case MEMCACHED_BEHAVIOR_BINARY_PROTOCOL
:
336 return ptr
->flags
.binary_protocol
;
338 case MEMCACHED_BEHAVIOR_SUPPORT_CAS
:
339 return ptr
->flags
.support_cas
;
341 case MEMCACHED_BEHAVIOR_CACHE_LOOKUPS
:
344 case MEMCACHED_BEHAVIOR_NO_BLOCK
:
345 return ptr
->flags
.no_block
;
347 case MEMCACHED_BEHAVIOR_BUFFER_REQUESTS
:
348 return ptr
->flags
.buffer_requests
;
350 case MEMCACHED_BEHAVIOR_USE_UDP
:
351 return memcached_is_udp(ptr
);
353 case MEMCACHED_BEHAVIOR_TCP_NODELAY
:
354 return ptr
->flags
.tcp_nodelay
;
356 case MEMCACHED_BEHAVIOR_VERIFY_KEY
:
357 return ptr
->flags
.verify_key
;
359 case MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED
:
360 if (memcached_is_consistent_distribution(ptr
))
362 return memcached_is_weighted_ketama(ptr
);
366 case MEMCACHED_BEHAVIOR_DISTRIBUTION
:
367 return ptr
->distribution
;
369 case MEMCACHED_BEHAVIOR_KETAMA
:
370 return memcached_is_consistent_distribution(ptr
);
372 case MEMCACHED_BEHAVIOR_HASH
:
373 return hashkit_get_function(&ptr
->hashkit
);
375 case MEMCACHED_BEHAVIOR_KETAMA_HASH
:
376 return hashkit_get_function(&ptr
->hashkit
);
378 case MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS
:
379 return ptr
->flags
.auto_eject_hosts
;
381 case MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT
:
382 return ptr
->server_failure_limit
;
384 case MEMCACHED_BEHAVIOR_SERVER_TIMEOUT_LIMIT
:
385 return ptr
->server_timeout_limit
;
387 case MEMCACHED_BEHAVIOR_SORT_HOSTS
:
388 return ptr
->flags
.use_sort_hosts
;
390 case MEMCACHED_BEHAVIOR_POLL_TIMEOUT
:
391 return (uint64_t)ptr
->poll_timeout
;
393 case MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT
:
394 return (uint64_t)ptr
->connect_timeout
;
396 case MEMCACHED_BEHAVIOR_RETRY_TIMEOUT
:
397 return (uint64_t)ptr
->retry_timeout
;
399 case MEMCACHED_BEHAVIOR_DEAD_TIMEOUT
:
400 return uint64_t(ptr
->dead_timeout
);
402 case MEMCACHED_BEHAVIOR_SND_TIMEOUT
:
403 return (uint64_t)ptr
->snd_timeout
;
405 case MEMCACHED_BEHAVIOR_RCV_TIMEOUT
:
406 return (uint64_t)ptr
->rcv_timeout
;
408 case MEMCACHED_BEHAVIOR_TCP_KEEPIDLE
:
409 return (uint64_t)ptr
->tcp_keepidle
;
411 case MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE
:
414 socklen_t sock_length
= sizeof(int);
416 if (ptr
->send_size
!= -1) // If value is -1 then we are using the default
418 return (uint64_t) ptr
->send_size
;
421 memcached_instance_st
* instance
= memcached_instance_fetch(ptr
, 0);
423 if (instance
) // If we have an instance we test, otherwise we just set and pray
426 /* We just try the first host, and if it is down we return zero */
427 if (memcached_failed(memcached_connect(instance
)))
432 if (memcached_failed(memcached_io_wait_for_write(instance
)))
437 if (getsockopt(instance
->fd
, SOL_SOCKET
, SO_SNDBUF
, (char*)&sock_size
, &sock_length
) < 0)
439 memcached_set_errno(*ptr
, get_socket_errno(), MEMCACHED_AT
);
440 return 0; /* Zero means error */
444 return (uint64_t) sock_size
;
447 case MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE
:
450 socklen_t sock_length
= sizeof(int);
452 if (ptr
->recv_size
!= -1) // If value is -1 then we are using the default
453 return (uint64_t) ptr
->recv_size
;
455 memcached_instance_st
* instance
= memcached_instance_fetch(ptr
, 0);
462 /* We just try the first host, and if it is down we return zero */
463 if (memcached_failed(memcached_connect(instance
)))
468 if (memcached_failed(memcached_io_wait_for_write(instance
)))
473 if (getsockopt(instance
->fd
, SOL_SOCKET
, SO_RCVBUF
, (char*)&sock_size
, &sock_length
) < 0)
475 memcached_set_errno(*ptr
, get_socket_errno(), MEMCACHED_AT
);
476 return 0; /* Zero means error */
480 return (uint64_t) sock_size
;
483 case MEMCACHED_BEHAVIOR_USER_DATA
:
484 memcached_set_error(*ptr
, MEMCACHED_DEPRECATED
, MEMCACHED_AT
,
485 memcached_literal_param("MEMCACHED_BEHAVIOR_USER_DATA deprecated."));
488 case MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY
:
489 return ptr
->flags
.hash_with_namespace
;
491 case MEMCACHED_BEHAVIOR_NOREPLY
:
492 return ptr
->flags
.reply
? false : true;
494 case MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS
:
495 return ptr
->flags
.auto_eject_hosts
;
497 case MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ
:
498 return ptr
->flags
.randomize_replica_read
;
500 case MEMCACHED_BEHAVIOR_CORK
:
507 case MEMCACHED_BEHAVIOR_TCP_KEEPALIVE
:
508 return ptr
->flags
.tcp_keepalive
;
510 case MEMCACHED_BEHAVIOR_LOAD_FROM_FILE
:
511 return bool(memcached_parse_filename(ptr
));
513 case MEMCACHED_BEHAVIOR_MAX
:
515 assert_msg(0, "Invalid behavior passed to memcached_behavior_get()");
523 memcached_return_t
memcached_behavior_set_distribution(memcached_st
*shell
, memcached_server_distribution_t type
)
525 Memcached
* ptr
= memcached2Memcached(shell
);
530 case MEMCACHED_DISTRIBUTION_MODULA
:
533 case MEMCACHED_DISTRIBUTION_CONSISTENT
:
534 case MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA
:
535 memcached_set_weighted_ketama(ptr
, false);
538 case MEMCACHED_DISTRIBUTION_RANDOM
:
541 case MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA_SPY
:
544 case MEMCACHED_DISTRIBUTION_CONSISTENT_WEIGHTED
:
545 memcached_set_weighted_ketama(ptr
, true);
548 case MEMCACHED_DISTRIBUTION_VIRTUAL_BUCKET
:
552 case MEMCACHED_DISTRIBUTION_CONSISTENT_MAX
:
553 return memcached_set_error(*ptr
, MEMCACHED_INVALID_ARGUMENTS
, MEMCACHED_AT
,
554 memcached_literal_param("Invalid memcached_server_distribution_t"));
556 ptr
->distribution
= type
;
558 return run_distribution(ptr
);
561 return MEMCACHED_INVALID_ARGUMENTS
;
565 memcached_server_distribution_t
memcached_behavior_get_distribution(memcached_st
*shell
)
567 Memcached
* ptr
= memcached2Memcached(shell
);
570 return ptr
->distribution
;
573 return MEMCACHED_DISTRIBUTION_CONSISTENT_MAX
;
576 memcached_return_t
memcached_behavior_set_key_hash(memcached_st
*shell
, memcached_hash_t type
)
578 Memcached
* ptr
= memcached2Memcached(shell
);
581 if (hashkit_success(hashkit_set_function(&ptr
->hashkit
, (hashkit_hash_algorithm_t
)type
)))
583 return MEMCACHED_SUCCESS
;
586 return memcached_set_error(*ptr
, MEMCACHED_INVALID_ARGUMENTS
, MEMCACHED_AT
,
587 memcached_literal_param("Invalid memcached_hash_t()"));
590 return MEMCACHED_INVALID_ARGUMENTS
;
593 memcached_hash_t
memcached_behavior_get_key_hash(memcached_st
*shell
)
595 Memcached
* ptr
= memcached2Memcached(shell
);
598 return (memcached_hash_t
)hashkit_get_function(&ptr
->hashkit
);
601 return MEMCACHED_HASH_MAX
;
604 memcached_return_t
memcached_behavior_set_distribution_hash(memcached_st
*shell
, memcached_hash_t type
)
606 Memcached
* ptr
= memcached2Memcached(shell
);
609 if (hashkit_success(hashkit_set_distribution_function(&ptr
->hashkit
, (hashkit_hash_algorithm_t
)type
)))
611 return MEMCACHED_SUCCESS
;
614 return memcached_set_error(*ptr
, MEMCACHED_INVALID_ARGUMENTS
, MEMCACHED_AT
,
615 memcached_literal_param("Invalid memcached_hash_t()"));
618 return MEMCACHED_INVALID_ARGUMENTS
;
621 memcached_hash_t
memcached_behavior_get_distribution_hash(memcached_st
*shell
)
623 Memcached
* ptr
= memcached2Memcached(shell
);
626 return (memcached_hash_t
)hashkit_get_function(&ptr
->hashkit
);
629 return MEMCACHED_HASH_MAX
;
632 const char *libmemcached_string_behavior(const memcached_behavior_t flag
)
636 case MEMCACHED_BEHAVIOR_SERVER_TIMEOUT_LIMIT
: return "MEMCACHED_BEHAVIOR_SERVER_TIMEOUT_LIMIT";
637 case MEMCACHED_BEHAVIOR_NO_BLOCK
: return "MEMCACHED_BEHAVIOR_NO_BLOCK";
638 case MEMCACHED_BEHAVIOR_TCP_NODELAY
: return "MEMCACHED_BEHAVIOR_TCP_NODELAY";
639 case MEMCACHED_BEHAVIOR_HASH
: return "MEMCACHED_BEHAVIOR_HASH";
640 case MEMCACHED_BEHAVIOR_KETAMA
: return "MEMCACHED_BEHAVIOR_KETAMA";
641 case MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE
: return "MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE";
642 case MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE
: return "MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE";
643 case MEMCACHED_BEHAVIOR_CACHE_LOOKUPS
: return "MEMCACHED_BEHAVIOR_CACHE_LOOKUPS";
644 case MEMCACHED_BEHAVIOR_SUPPORT_CAS
: return "MEMCACHED_BEHAVIOR_SUPPORT_CAS";
645 case MEMCACHED_BEHAVIOR_POLL_TIMEOUT
: return "MEMCACHED_BEHAVIOR_POLL_TIMEOUT";
646 case MEMCACHED_BEHAVIOR_DISTRIBUTION
: return "MEMCACHED_BEHAVIOR_DISTRIBUTION";
647 case MEMCACHED_BEHAVIOR_BUFFER_REQUESTS
: return "MEMCACHED_BEHAVIOR_BUFFER_REQUESTS";
648 case MEMCACHED_BEHAVIOR_USER_DATA
: return "MEMCACHED_BEHAVIOR_USER_DATA";
649 case MEMCACHED_BEHAVIOR_SORT_HOSTS
: return "MEMCACHED_BEHAVIOR_SORT_HOSTS";
650 case MEMCACHED_BEHAVIOR_VERIFY_KEY
: return "MEMCACHED_BEHAVIOR_VERIFY_KEY";
651 case MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT
: return "MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT";
652 case MEMCACHED_BEHAVIOR_RETRY_TIMEOUT
: return "MEMCACHED_BEHAVIOR_RETRY_TIMEOUT";
653 case MEMCACHED_BEHAVIOR_DEAD_TIMEOUT
: return "MEMCACHED_BEHAVIOR_DEAD_TIMEOUT";
654 case MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED
: return "MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED";
655 case MEMCACHED_BEHAVIOR_KETAMA_HASH
: return "MEMCACHED_BEHAVIOR_KETAMA_HASH";
656 case MEMCACHED_BEHAVIOR_BINARY_PROTOCOL
: return "MEMCACHED_BEHAVIOR_BINARY_PROTOCOL";
657 case MEMCACHED_BEHAVIOR_SND_TIMEOUT
: return "MEMCACHED_BEHAVIOR_SND_TIMEOUT";
658 case MEMCACHED_BEHAVIOR_RCV_TIMEOUT
: return "MEMCACHED_BEHAVIOR_RCV_TIMEOUT";
659 case MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT
: return "MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT";
660 case MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK
: return "MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK";
661 case MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK
: return "MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK";
662 case MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH
: return "MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH";
663 case MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY
: return "MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY";
664 case MEMCACHED_BEHAVIOR_NOREPLY
: return "MEMCACHED_BEHAVIOR_NOREPLY";
665 case MEMCACHED_BEHAVIOR_USE_UDP
: return "MEMCACHED_BEHAVIOR_USE_UDP";
666 case MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS
: return "MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS";
667 case MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS
: return "MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS";
668 case MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS
: return "MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS";
669 case MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ
: return "MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ";
670 case MEMCACHED_BEHAVIOR_CORK
: return "MEMCACHED_BEHAVIOR_CORK";
671 case MEMCACHED_BEHAVIOR_TCP_KEEPALIVE
: return "MEMCACHED_BEHAVIOR_TCP_KEEPALIVE";
672 case MEMCACHED_BEHAVIOR_TCP_KEEPIDLE
: return "MEMCACHED_BEHAVIOR_TCP_KEEPIDLE";
673 case MEMCACHED_BEHAVIOR_LOAD_FROM_FILE
: return "MEMCACHED_BEHAVIOR_LOAD_FROM_FILE";
675 case MEMCACHED_BEHAVIOR_MAX
: return "INVALID memcached_behavior_t";
679 const char *libmemcached_string_distribution(const memcached_server_distribution_t flag
)
683 case MEMCACHED_DISTRIBUTION_MODULA
: return "MEMCACHED_DISTRIBUTION_MODULA";
684 case MEMCACHED_DISTRIBUTION_CONSISTENT
: return "MEMCACHED_DISTRIBUTION_CONSISTENT";
685 case MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA
: return "MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA";
686 case MEMCACHED_DISTRIBUTION_RANDOM
: return "MEMCACHED_DISTRIBUTION_RANDOM";
687 case MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA_SPY
: return "MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA_SPY";
688 case MEMCACHED_DISTRIBUTION_CONSISTENT_WEIGHTED
: return "MEMCACHED_DISTRIBUTION_CONSISTENT_WEIGHTED";
689 case MEMCACHED_DISTRIBUTION_VIRTUAL_BUCKET
: return "MEMCACHED_DISTRIBUTION_VIRTUAL_BUCKET";
691 case MEMCACHED_DISTRIBUTION_CONSISTENT_MAX
: return "INVALID memcached_server_distribution_t";
695 memcached_return_t
memcached_bucket_set(memcached_st
*shell
,
696 const uint32_t *host_map
,
697 const uint32_t *forward_map
,
698 const uint32_t buckets
,
699 const uint32_t replicas
)
701 Memcached
* self
= memcached2Memcached(shell
);
702 memcached_return_t rc
;
706 return MEMCACHED_INVALID_ARGUMENTS
;
709 if (host_map
== NULL
)
711 return MEMCACHED_INVALID_ARGUMENTS
;
714 memcached_server_distribution_t old
= memcached_behavior_get_distribution(self
);
716 if (memcached_failed(rc
=memcached_behavior_set_distribution(self
, MEMCACHED_DISTRIBUTION_VIRTUAL_BUCKET
)))
721 if (memcached_failed(rc
= memcached_virtual_bucket_create(self
, host_map
, forward_map
, buckets
, replicas
)))
723 memcached_behavior_set_distribution(self
, old
);