--- /dev/null
+/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
+ *
+ * Libmemcached library
+ *
+ * Copyright (C) 2011 Data Differential, http://datadifferential.com/
+ * Copyright (C) 2006-2009 Brian Aker All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * * The names of its contributors may not be used to endorse or
+ * promote products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <libmemcached/common.h>
+#include <libmemcached/options.hpp>
+#include <libmemcached/virtual_bucket.h>
+
+#include <ctime>
+#include <sys/types.h>
+
+bool memcached_is_consistent_distribution(const Memcached* memc)
+{
+ switch (memc->distribution)
+ {
+ case MEMCACHED_DISTRIBUTION_CONSISTENT:
+ case MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA:
+ case MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA_SPY:
+ case MEMCACHED_DISTRIBUTION_CONSISTENT_WEIGHTED:
+ return true;
+
+ case MEMCACHED_DISTRIBUTION_MODULA:
+ case MEMCACHED_DISTRIBUTION_RANDOM:
+ case MEMCACHED_DISTRIBUTION_VIRTUAL_BUCKET:
+ case MEMCACHED_DISTRIBUTION_CONSISTENT_MAX:
+ break;
+ }
+
+ return false;
+}
+
+/*
+ This function is used to modify the behavior of running client.
+
+ We quit all connections so we can reset the sockets.
+*/
+
+memcached_return_t memcached_behavior_set(memcached_st *shell,
+ const memcached_behavior_t flag,
+ uint64_t data)
+{
+ Memcached* ptr= memcached2Memcached(shell);
+ if (ptr == NULL)
+ {
+ return MEMCACHED_INVALID_ARGUMENTS;
+ }
+
+ switch (flag)
+ {
+ case MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS:
+ ptr->number_of_replicas= (uint32_t)data;
+ break;
+
+ case MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK:
+ ptr->io_msg_watermark= (uint32_t) data;
+ break;
+
+ case MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK:
+ ptr->io_bytes_watermark= (uint32_t)data;
+ break;
+
+ case MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH:
+ ptr->io_key_prefetch = (uint32_t)data;
+ break;
+
+ case MEMCACHED_BEHAVIOR_SND_TIMEOUT:
+ ptr->snd_timeout= (int32_t)data;
+ break;
+
+ case MEMCACHED_BEHAVIOR_RCV_TIMEOUT:
+ ptr->rcv_timeout= (int32_t)data;
+ break;
+
+ case MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS:
+ ptr->flags.auto_eject_hosts= bool(data);
+ break;
+
+ case MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT:
+ if (data == 0)
+ {
+ return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT,
+ memcached_literal_param("MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT requires a value greater then zero."));
+ }
+ ptr->server_failure_limit= uint32_t(data);
+ break;
+
+ case MEMCACHED_BEHAVIOR_SERVER_TIMEOUT_LIMIT:
+ ptr->server_timeout_limit= uint32_t(data);
+ break;
+
+ case MEMCACHED_BEHAVIOR_BINARY_PROTOCOL:
+ send_quit(ptr); // We need t shutdown all of the connections to make sure we do the correct protocol
+ if (data)
+ {
+ ptr->flags.verify_key= false;
+ }
+ ptr->flags.binary_protocol= bool(data);
+ break;
+
+ case MEMCACHED_BEHAVIOR_SUPPORT_CAS:
+ ptr->flags.support_cas= bool(data);
+ break;
+
+ case MEMCACHED_BEHAVIOR_NO_BLOCK:
+ ptr->flags.no_block= bool(data);
+ send_quit(ptr);
+ break;
+
+ case MEMCACHED_BEHAVIOR_BUFFER_REQUESTS:
+ if (memcached_is_udp(ptr))
+ {
+ return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT,
+ memcached_literal_param("MEMCACHED_BEHAVIOR_BUFFER_REQUESTS cannot be set while MEMCACHED_BEHAVIOR_USE_UDP is enabled."));
+ }
+ ptr->flags.buffer_requests= bool(data);
+ send_quit(ptr);
+ break;
+
+ case MEMCACHED_BEHAVIOR_USE_UDP:
+ send_quit(ptr); // We need t shutdown all of the connections to make sure we do the correct protocol
+ ptr->flags.use_udp= bool(data);
+ if (bool(data))
+ {
+ ptr->flags.reply= false;
+ ptr->flags.buffer_requests= false;
+ }
+ else
+ {
+ ptr->flags.reply= true;
+ }
+ break;
+
+ case MEMCACHED_BEHAVIOR_TCP_NODELAY:
+ ptr->flags.tcp_nodelay= bool(data);
+ send_quit(ptr);
+ break;
+
+ case MEMCACHED_BEHAVIOR_TCP_KEEPALIVE:
+ ptr->flags.tcp_keepalive= bool(data);
+ send_quit(ptr);
+ break;
+
+ case MEMCACHED_BEHAVIOR_DISTRIBUTION:
+ return memcached_behavior_set_distribution(ptr, (memcached_server_distribution_t)data);
+
+ case MEMCACHED_BEHAVIOR_KETAMA:
+ {
+ if (data) // Turn on
+ {
+ return memcached_behavior_set_distribution(ptr, MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA);
+ }
+
+ return memcached_behavior_set_distribution(ptr, MEMCACHED_DISTRIBUTION_MODULA);
+ }
+
+ case MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED:
+ {
+ if (bool(data) == false)
+ {
+ return memcached_behavior_set(ptr, MEMCACHED_BEHAVIOR_KETAMA, true);
+ }
+
+ (void)memcached_behavior_set_key_hash(ptr, MEMCACHED_HASH_MD5);
+ (void)memcached_behavior_set_distribution_hash(ptr, MEMCACHED_HASH_MD5);
+ /**
+ @note We try to keep the same distribution going. This should be deprecated and rewritten.
+ */
+ return memcached_behavior_set_distribution(ptr, MEMCACHED_DISTRIBUTION_CONSISTENT_WEIGHTED);
+ }
+
+ case MEMCACHED_BEHAVIOR_HASH:
+ return memcached_behavior_set_key_hash(ptr, (memcached_hash_t)(data));
+
+ case MEMCACHED_BEHAVIOR_KETAMA_HASH:
+ return memcached_behavior_set_distribution_hash(ptr, (memcached_hash_t)(data));
+
+ case MEMCACHED_BEHAVIOR_CACHE_LOOKUPS:
+ return memcached_set_error(*ptr, MEMCACHED_DEPRECATED, MEMCACHED_AT,
+ memcached_literal_param("MEMCACHED_BEHAVIOR_CACHE_LOOKUPS has been deprecated."));
+
+ case MEMCACHED_BEHAVIOR_VERIFY_KEY:
+ if (ptr->flags.binary_protocol)
+ {
+ return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT,
+ memcached_literal_param("MEMCACHED_BEHAVIOR_VERIFY_KEY if the binary protocol has been enabled."));
+ }
+ ptr->flags.verify_key= bool(data);
+ break;
+
+ case MEMCACHED_BEHAVIOR_SORT_HOSTS:
+ {
+ ptr->flags.use_sort_hosts= bool(data);
+ return run_distribution(ptr);
+ }
+
+ case MEMCACHED_BEHAVIOR_POLL_TIMEOUT:
+ ptr->poll_timeout= (int32_t)data;
+ break;
+
+ case MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT:
+ ptr->connect_timeout= (int32_t)data;
+ break;
+
+ case MEMCACHED_BEHAVIOR_RETRY_TIMEOUT:
+ ptr->retry_timeout= int32_t(data);
+ break;
+
+ case MEMCACHED_BEHAVIOR_DEAD_TIMEOUT:
+ ptr->dead_timeout= int32_t(data);
+ break;
+
+ case MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE:
+ ptr->send_size= (int32_t)data;
+ send_quit(ptr);
+ break;
+
+ case MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE:
+ ptr->recv_size= (int32_t)data;
+ send_quit(ptr);
+ break;
+
+ case MEMCACHED_BEHAVIOR_TCP_KEEPIDLE:
+ ptr->tcp_keepidle= (uint32_t)data;
+ send_quit(ptr);
+ break;
+
+ case MEMCACHED_BEHAVIOR_USER_DATA:
+ return memcached_set_error(*ptr, MEMCACHED_DEPRECATED, MEMCACHED_AT,
+ memcached_literal_param("MEMCACHED_BEHAVIOR_USER_DATA deprecated."));
+
+ case MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY:
+ ptr->flags.hash_with_namespace= bool(data);
+ break;
+
+ case MEMCACHED_BEHAVIOR_NOREPLY:
+ if (memcached_is_udp(ptr) and bool(data) == false)
+ {
+ return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT,
+ memcached_literal_param("MEMCACHED_BEHAVIOR_NOREPLY cannot be disabled while MEMCACHED_BEHAVIOR_USE_UDP is enabled."));
+ }
+ // We reverse the logic here to make it easier to understand throughout the
+ // code.
+ ptr->flags.reply= bool(data) ? false : true;
+ break;
+
+ case MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS:
+ ptr->flags.auto_eject_hosts= bool(data);
+ break;
+
+ case MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ:
+ srandom((uint32_t) time(NULL));
+ ptr->flags.randomize_replica_read= bool(data);
+ break;
+
+ case MEMCACHED_BEHAVIOR_CORK:
+ return memcached_set_error(*ptr, MEMCACHED_DEPRECATED, MEMCACHED_AT,
+ memcached_literal_param("MEMCACHED_BEHAVIOR_CORK is now incorporated into the driver by default."));
+
+ case MEMCACHED_BEHAVIOR_LOAD_FROM_FILE:
+ return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT,
+ memcached_literal_param("MEMCACHED_BEHAVIOR_LOAD_FROM_FILE can not be set with memcached_behavior_set()"));
+
+ case MEMCACHED_BEHAVIOR_MAX:
+ default:
+ /* Shouldn't get here */
+ assert_msg(0, "Invalid behavior passed to memcached_behavior_set()");
+ return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT,
+ memcached_literal_param("Invalid behavior passed to memcached_behavior_set()"));
+ }
+
+ return MEMCACHED_SUCCESS;
+}
+
+bool _is_auto_eject_host(const memcached_st *ptr)
+{
+ return ptr->flags.auto_eject_hosts;
+}
+
+uint64_t memcached_behavior_get(memcached_st *shell,
+ const memcached_behavior_t flag)
+{
+ Memcached* ptr= memcached2Memcached(shell);
+ if (ptr == NULL)
+ {
+ return MEMCACHED_INVALID_ARGUMENTS;
+ }
+
+ switch (flag)
+ {
+ case MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS:
+ return ptr->number_of_replicas;
+
+ case MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK:
+ return ptr->io_msg_watermark;
+
+ case MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK:
+ return ptr->io_bytes_watermark;
+
+ case MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH:
+ return ptr->io_key_prefetch;
+
+ case MEMCACHED_BEHAVIOR_BINARY_PROTOCOL:
+ return ptr->flags.binary_protocol;
+
+ case MEMCACHED_BEHAVIOR_SUPPORT_CAS:
+ return ptr->flags.support_cas;
+
+ case MEMCACHED_BEHAVIOR_CACHE_LOOKUPS:
+ return true;
+
+ case MEMCACHED_BEHAVIOR_NO_BLOCK:
+ return ptr->flags.no_block;
+
+ case MEMCACHED_BEHAVIOR_BUFFER_REQUESTS:
+ return ptr->flags.buffer_requests;
+
+ case MEMCACHED_BEHAVIOR_USE_UDP:
+ return memcached_is_udp(ptr);
+
+ case MEMCACHED_BEHAVIOR_TCP_NODELAY:
+ return ptr->flags.tcp_nodelay;
+
+ case MEMCACHED_BEHAVIOR_VERIFY_KEY:
+ return ptr->flags.verify_key;
+
+ case MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED:
+ if (memcached_is_consistent_distribution(ptr))
+ {
+ return memcached_is_weighted_ketama(ptr);
+ }
+ return false;
+
+ case MEMCACHED_BEHAVIOR_DISTRIBUTION:
+ return ptr->distribution;
+
+ case MEMCACHED_BEHAVIOR_KETAMA:
+ return memcached_is_consistent_distribution(ptr);
+
+ case MEMCACHED_BEHAVIOR_HASH:
+ return hashkit_get_function(&ptr->hashkit);
+
+ case MEMCACHED_BEHAVIOR_KETAMA_HASH:
+ return hashkit_get_function(&ptr->hashkit);
+
+ case MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS:
+ return ptr->flags.auto_eject_hosts;
+
+ case MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT:
+ return ptr->server_failure_limit;
+
+ case MEMCACHED_BEHAVIOR_SERVER_TIMEOUT_LIMIT:
+ return ptr->server_timeout_limit;
+
+ case MEMCACHED_BEHAVIOR_SORT_HOSTS:
+ return ptr->flags.use_sort_hosts;
+
+ case MEMCACHED_BEHAVIOR_POLL_TIMEOUT:
+ return (uint64_t)ptr->poll_timeout;
+
+ case MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT:
+ return (uint64_t)ptr->connect_timeout;
+
+ case MEMCACHED_BEHAVIOR_RETRY_TIMEOUT:
+ return (uint64_t)ptr->retry_timeout;
+
+ case MEMCACHED_BEHAVIOR_DEAD_TIMEOUT:
+ return uint64_t(ptr->dead_timeout);
+
+ case MEMCACHED_BEHAVIOR_SND_TIMEOUT:
+ return (uint64_t)ptr->snd_timeout;
+
+ case MEMCACHED_BEHAVIOR_RCV_TIMEOUT:
+ return (uint64_t)ptr->rcv_timeout;
+
+ case MEMCACHED_BEHAVIOR_TCP_KEEPIDLE:
+ return (uint64_t)ptr->tcp_keepidle;
+
+ case MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE:
+ {
+ int sock_size= 0;
+ socklen_t sock_length= sizeof(int);
+
+ if (ptr->send_size != -1) // If value is -1 then we are using the default
+ {
+ return (uint64_t) ptr->send_size;
+ }
+
+ memcached_instance_st* instance= memcached_instance_fetch(ptr, 0);
+
+ if (instance) // If we have an instance we test, otherwise we just set and pray
+ {
+ /* REFACTOR */
+ /* We just try the first host, and if it is down we return zero */
+ if (memcached_failed(memcached_connect(instance)))
+ {
+ return 0;
+ }
+
+ if (memcached_failed(memcached_io_wait_for_write(instance)))
+ {
+ return 0;
+ }
+
+ if (getsockopt(instance->fd, SOL_SOCKET, SO_SNDBUF, (char*)&sock_size, &sock_length) < 0)
+ {
+ memcached_set_errno(*ptr, get_socket_errno(), MEMCACHED_AT);
+ return 0; /* Zero means error */
+ }
+ }
+
+ return (uint64_t) sock_size;
+ }
+
+ case MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE:
+ {
+ int sock_size= 0;
+ socklen_t sock_length= sizeof(int);
+
+ if (ptr->recv_size != -1) // If value is -1 then we are using the default
+ return (uint64_t) ptr->recv_size;
+
+ memcached_instance_st* instance= memcached_instance_fetch(ptr, 0);
+
+ /**
+ @note REFACTOR
+ */
+ if (instance)
+ {
+ /* We just try the first host, and if it is down we return zero */
+ if (memcached_failed(memcached_connect(instance)))
+ {
+ return 0;
+ }
+
+ if (memcached_failed(memcached_io_wait_for_write(instance)))
+ {
+ return 0;
+ }
+
+ if (getsockopt(instance->fd, SOL_SOCKET, SO_RCVBUF, (char*)&sock_size, &sock_length) < 0)
+ {
+ memcached_set_errno(*ptr, get_socket_errno(), MEMCACHED_AT);
+ return 0; /* Zero means error */
+ }
+ }
+
+ return (uint64_t) sock_size;
+ }
+
+ case MEMCACHED_BEHAVIOR_USER_DATA:
+ memcached_set_error(*ptr, MEMCACHED_DEPRECATED, MEMCACHED_AT,
+ memcached_literal_param("MEMCACHED_BEHAVIOR_USER_DATA deprecated."));
+ return 0;
+
+ case MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY:
+ return ptr->flags.hash_with_namespace;
+
+ case MEMCACHED_BEHAVIOR_NOREPLY:
+ return ptr->flags.reply ? false : true;
+
+ case MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS:
+ return ptr->flags.auto_eject_hosts;
+
+ case MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ:
+ return ptr->flags.randomize_replica_read;
+
+ case MEMCACHED_BEHAVIOR_CORK:
+#ifdef HAVE_MSG_MORE
+ return true;
+#else
+ return false;
+#endif
+
+ case MEMCACHED_BEHAVIOR_TCP_KEEPALIVE:
+ return ptr->flags.tcp_keepalive;
+
+ case MEMCACHED_BEHAVIOR_LOAD_FROM_FILE:
+ return bool(memcached_parse_filename(ptr));
+
+ case MEMCACHED_BEHAVIOR_MAX:
+ default:
+ assert_msg(0, "Invalid behavior passed to memcached_behavior_get()");
+ return 0;
+ }
+
+ /* NOTREACHED */
+}
+
+
+memcached_return_t memcached_behavior_set_distribution(memcached_st *shell, memcached_server_distribution_t type)
+{
+ Memcached* ptr= memcached2Memcached(shell);
+ if (ptr)
+ {
+ switch (type)
+ {
+ case MEMCACHED_DISTRIBUTION_MODULA:
+ break;
+
+ case MEMCACHED_DISTRIBUTION_CONSISTENT:
+ case MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA:
+ memcached_set_weighted_ketama(ptr, false);
+ break;
+
+ case MEMCACHED_DISTRIBUTION_RANDOM:
+ break;
+
+ case MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA_SPY:
+ break;
+
+ case MEMCACHED_DISTRIBUTION_CONSISTENT_WEIGHTED:
+ memcached_set_weighted_ketama(ptr, true);
+ break;
+
+ case MEMCACHED_DISTRIBUTION_VIRTUAL_BUCKET:
+ break;
+
+ default:
+ case MEMCACHED_DISTRIBUTION_CONSISTENT_MAX:
+ return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT,
+ memcached_literal_param("Invalid memcached_server_distribution_t"));
+ }
+ ptr->distribution= type;
+
+ return run_distribution(ptr);
+ }
+
+ return MEMCACHED_INVALID_ARGUMENTS;
+}
+
+
+memcached_server_distribution_t memcached_behavior_get_distribution(memcached_st *shell)
+{
+ Memcached* ptr= memcached2Memcached(shell);
+ if (ptr)
+ {
+ return ptr->distribution;
+ }
+
+ return MEMCACHED_DISTRIBUTION_CONSISTENT_MAX;
+}
+
+memcached_return_t memcached_behavior_set_key_hash(memcached_st *shell, memcached_hash_t type)
+{
+ Memcached* ptr= memcached2Memcached(shell);
+ if (ptr)
+ {
+ if (hashkit_success(hashkit_set_function(&ptr->hashkit, (hashkit_hash_algorithm_t)type)))
+ {
+ return MEMCACHED_SUCCESS;
+ }
+
+ return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT,
+ memcached_literal_param("Invalid memcached_hash_t()"));
+ }
+
+ return MEMCACHED_INVALID_ARGUMENTS;
+}
+
+memcached_hash_t memcached_behavior_get_key_hash(memcached_st *shell)
+{
+ Memcached* ptr= memcached2Memcached(shell);
+ if (ptr)
+ {
+ return (memcached_hash_t)hashkit_get_function(&ptr->hashkit);
+ }
+
+ return MEMCACHED_HASH_MAX;
+}
+
+memcached_return_t memcached_behavior_set_distribution_hash(memcached_st *shell, memcached_hash_t type)
+{
+ Memcached* ptr= memcached2Memcached(shell);
+ if (ptr)
+ {
+ if (hashkit_success(hashkit_set_distribution_function(&ptr->hashkit, (hashkit_hash_algorithm_t)type)))
+ {
+ return MEMCACHED_SUCCESS;
+ }
+
+ return memcached_set_error(*ptr, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT,
+ memcached_literal_param("Invalid memcached_hash_t()"));
+ }
+
+ return MEMCACHED_INVALID_ARGUMENTS;
+}
+
+memcached_hash_t memcached_behavior_get_distribution_hash(memcached_st *shell)
+{
+ Memcached* ptr= memcached2Memcached(shell);
+ if (ptr)
+ {
+ return (memcached_hash_t)hashkit_get_function(&ptr->hashkit);
+ }
+
+ return MEMCACHED_HASH_MAX;
+}
+
+const char *libmemcached_string_behavior(const memcached_behavior_t flag)
+{
+ switch (flag)
+ {
+ case MEMCACHED_BEHAVIOR_SERVER_TIMEOUT_LIMIT: return "MEMCACHED_BEHAVIOR_SERVER_TIMEOUT_LIMIT";
+ case MEMCACHED_BEHAVIOR_NO_BLOCK: return "MEMCACHED_BEHAVIOR_NO_BLOCK";
+ case MEMCACHED_BEHAVIOR_TCP_NODELAY: return "MEMCACHED_BEHAVIOR_TCP_NODELAY";
+ case MEMCACHED_BEHAVIOR_HASH: return "MEMCACHED_BEHAVIOR_HASH";
+ case MEMCACHED_BEHAVIOR_KETAMA: return "MEMCACHED_BEHAVIOR_KETAMA";
+ case MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE: return "MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE";
+ case MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE: return "MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE";
+ case MEMCACHED_BEHAVIOR_CACHE_LOOKUPS: return "MEMCACHED_BEHAVIOR_CACHE_LOOKUPS";
+ case MEMCACHED_BEHAVIOR_SUPPORT_CAS: return "MEMCACHED_BEHAVIOR_SUPPORT_CAS";
+ case MEMCACHED_BEHAVIOR_POLL_TIMEOUT: return "MEMCACHED_BEHAVIOR_POLL_TIMEOUT";
+ case MEMCACHED_BEHAVIOR_DISTRIBUTION: return "MEMCACHED_BEHAVIOR_DISTRIBUTION";
+ case MEMCACHED_BEHAVIOR_BUFFER_REQUESTS: return "MEMCACHED_BEHAVIOR_BUFFER_REQUESTS";
+ case MEMCACHED_BEHAVIOR_USER_DATA: return "MEMCACHED_BEHAVIOR_USER_DATA";
+ case MEMCACHED_BEHAVIOR_SORT_HOSTS: return "MEMCACHED_BEHAVIOR_SORT_HOSTS";
+ case MEMCACHED_BEHAVIOR_VERIFY_KEY: return "MEMCACHED_BEHAVIOR_VERIFY_KEY";
+ case MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT: return "MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT";
+ case MEMCACHED_BEHAVIOR_RETRY_TIMEOUT: return "MEMCACHED_BEHAVIOR_RETRY_TIMEOUT";
+ case MEMCACHED_BEHAVIOR_DEAD_TIMEOUT: return "MEMCACHED_BEHAVIOR_DEAD_TIMEOUT";
+ case MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED: return "MEMCACHED_BEHAVIOR_KETAMA_WEIGHTED";
+ case MEMCACHED_BEHAVIOR_KETAMA_HASH: return "MEMCACHED_BEHAVIOR_KETAMA_HASH";
+ case MEMCACHED_BEHAVIOR_BINARY_PROTOCOL: return "MEMCACHED_BEHAVIOR_BINARY_PROTOCOL";
+ case MEMCACHED_BEHAVIOR_SND_TIMEOUT: return "MEMCACHED_BEHAVIOR_SND_TIMEOUT";
+ case MEMCACHED_BEHAVIOR_RCV_TIMEOUT: return "MEMCACHED_BEHAVIOR_RCV_TIMEOUT";
+ case MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT: return "MEMCACHED_BEHAVIOR_SERVER_FAILURE_LIMIT";
+ case MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK: return "MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK";
+ case MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK: return "MEMCACHED_BEHAVIOR_IO_BYTES_WATERMARK";
+ case MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH: return "MEMCACHED_BEHAVIOR_IO_KEY_PREFETCH";
+ case MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY: return "MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY";
+ case MEMCACHED_BEHAVIOR_NOREPLY: return "MEMCACHED_BEHAVIOR_NOREPLY";
+ case MEMCACHED_BEHAVIOR_USE_UDP: return "MEMCACHED_BEHAVIOR_USE_UDP";
+ case MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS: return "MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS";
+ case MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS: return "MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS";
+ case MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS: return "MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS";
+ case MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ: return "MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ";
+ case MEMCACHED_BEHAVIOR_CORK: return "MEMCACHED_BEHAVIOR_CORK";
+ case MEMCACHED_BEHAVIOR_TCP_KEEPALIVE: return "MEMCACHED_BEHAVIOR_TCP_KEEPALIVE";
+ case MEMCACHED_BEHAVIOR_TCP_KEEPIDLE: return "MEMCACHED_BEHAVIOR_TCP_KEEPIDLE";
+ case MEMCACHED_BEHAVIOR_LOAD_FROM_FILE: return "MEMCACHED_BEHAVIOR_LOAD_FROM_FILE";
+ default:
+ case MEMCACHED_BEHAVIOR_MAX: return "INVALID memcached_behavior_t";
+ }
+}
+
+const char *libmemcached_string_distribution(const memcached_server_distribution_t flag)
+{
+ switch (flag)
+ {
+ case MEMCACHED_DISTRIBUTION_MODULA: return "MEMCACHED_DISTRIBUTION_MODULA";
+ case MEMCACHED_DISTRIBUTION_CONSISTENT: return "MEMCACHED_DISTRIBUTION_CONSISTENT";
+ case MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA: return "MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA";
+ case MEMCACHED_DISTRIBUTION_RANDOM: return "MEMCACHED_DISTRIBUTION_RANDOM";
+ case MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA_SPY: return "MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA_SPY";
+ case MEMCACHED_DISTRIBUTION_CONSISTENT_WEIGHTED: return "MEMCACHED_DISTRIBUTION_CONSISTENT_WEIGHTED";
+ case MEMCACHED_DISTRIBUTION_VIRTUAL_BUCKET: return "MEMCACHED_DISTRIBUTION_VIRTUAL_BUCKET";
+ default:
+ case MEMCACHED_DISTRIBUTION_CONSISTENT_MAX: return "INVALID memcached_server_distribution_t";
+ }
+}
+
+memcached_return_t memcached_bucket_set(memcached_st *shell,
+ const uint32_t *host_map,
+ const uint32_t *forward_map,
+ const uint32_t buckets,
+ const uint32_t replicas)
+{
+ Memcached* self= memcached2Memcached(shell);
+ memcached_return_t rc;
+
+ if (self == NULL)
+ {
+ return MEMCACHED_INVALID_ARGUMENTS;
+ }
+
+ if (host_map == NULL)
+ {
+ return MEMCACHED_INVALID_ARGUMENTS;
+ }
+
+ memcached_server_distribution_t old= memcached_behavior_get_distribution(self);
+
+ if (memcached_failed(rc =memcached_behavior_set_distribution(self, MEMCACHED_DISTRIBUTION_VIRTUAL_BUCKET)))
+ {
+ return rc;
+ }
+
+ if (memcached_failed(rc= memcached_virtual_bucket_create(self, host_map, forward_map, buckets, replicas)))
+ {
+ memcached_behavior_set_distribution(self, old);
+ }
+
+ return rc;
+}
projects / awesomized / libmemcached / blobdiff