X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fmemcached.c;h=f3f3c4a6f4c612144b6fe2851c77890898e3a600;hb=c4dbc7e56b01545e25bc95ba122c79d4a2631a99;hp=0c38cc69f61ce637a2a99e62bdec622d71a371c9;hpb=26c65ac524f21cd73a79f3caf45cdb76c9a41bc0;p=awesomized%2Flibmemcached diff --git a/libmemcached/memcached.c b/libmemcached/memcached.c index 0c38cc69..f3f3c4a6 100644 --- a/libmemcached/memcached.c +++ b/libmemcached/memcached.c @@ -1,46 +1,71 @@ -/* LibMemcached - * Copyright (C) 2006-2010 Brian Aker - * All rights reserved. +/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab: + * + * Libmemcached library * - * Use and distribution licensed under the BSD license. See - * the COPYING file in the parent directory for full text. + * Copyright (C) 2011 Data Differential, http://datadifferential.com/ + * Copyright (C) 2006-2009 Brian Aker All rights reserved. * - * Summary: + * 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 "common.h" +#include +#include static const memcached_st global_copy= { .state= { .is_purging= false, .is_processing_input= false, + .is_time_for_rebuild= false, }, .flags= { .auto_eject_hosts= false, .binary_protocol= false, .buffer_requests= false, - .cork= false, .hash_with_prefix_key= false, - .ketama_weighted= false, .no_block= false, .no_reply= false, .randomize_replica_read= false, - .reuse_memory= false, .support_cas= false, .tcp_nodelay= false, - .use_cache_lookups= false, .use_sort_hosts= false, .use_udp= false, .verify_key= false, - .tcp_keepalive= false - } + .tcp_keepalive= false, + }, }; static inline bool _memcached_init(memcached_st *self) { self->state= global_copy.state; self->flags= global_copy.flags; + self->virtual_bucket= NULL; self->distribution= MEMCACHED_DISTRIBUTION_MODULA; @@ -49,7 +74,11 @@ static inline bool _memcached_init(memcached_st *self) if (! hash_ptr) return false; - self->continuum_points_counter= 0; + self->ketama.continuum= NULL; + self->ketama.continuum_count= 0; + self->ketama.continuum_points_counter= 0; + self->ketama.next_distribution_rebuild= 0; + self->ketama.weighted= false; self->number_of_hosts= 0; self->servers= NULL; @@ -58,6 +87,7 @@ static inline bool _memcached_init(memcached_st *self) self->snd_timeout= 0; self->rcv_timeout= 0; self->server_failure_limit= 0; + self->query_id= 0; /* TODO, Document why we picked these defaults */ self->io_msg_watermark= 500; @@ -66,23 +96,18 @@ static inline bool _memcached_init(memcached_st *self) self->tcp_keepidle= 0; self->io_key_prefetch= 0; - self->cached_errno= 0; self->poll_timeout= MEMCACHED_DEFAULT_TIMEOUT; - self->connect_timeout= MEMCACHED_DEFAULT_TIMEOUT; + self->connect_timeout= MEMCACHED_DEFAULT_CONNECT_TIMEOUT; self->retry_timeout= 0; - self->continuum_count= 0; self->send_size= -1; self->recv_size= -1; self->user_data= NULL; - self->next_distribution_rebuild= 0; - self->prefix_key_length= 0; self->number_of_replicas= 0; hash_ptr= hashkit_create(&self->distribution_hashkit); if (! hash_ptr) return false; - self->continuum= NULL; self->allocators= memcached_allocators_return_default(); @@ -91,14 +116,58 @@ static inline bool _memcached_init(memcached_st *self) self->get_key_failure= NULL; self->delete_trigger= NULL; self->callbacks= NULL; -#ifdef LIBMEMCACHED_WITH_SASL_SUPPORT self->sasl.callbacks= NULL; self->sasl.is_allocated= false; -#endif + + self->error_messages= NULL; + self->prefix_key= NULL; + self->configure.filename= NULL; return true; } +static void _free(memcached_st *ptr, bool release_st) +{ + /* If we have anything open, lets close it now */ + send_quit(ptr); + memcached_server_list_free(memcached_server_list(ptr)); + memcached_result_free(&ptr->result); + + memcached_virtual_bucket_free(ptr); + + if (ptr->last_disconnected_server) + memcached_server_free(ptr->last_disconnected_server); + + if (ptr->on_cleanup) + ptr->on_cleanup(ptr); + + if (ptr->ketama.continuum) + libmemcached_free(ptr, ptr->ketama.continuum); + + memcached_array_free(ptr->prefix_key); + ptr->prefix_key= NULL; + + memcached_error_free(ptr); + + if (ptr->sasl.callbacks) + { +#ifdef LIBMEMCACHED_WITH_SASL_SUPPORT + memcached_destroy_sasl_auth_data(ptr); +#endif + } + + if (release_st) + { + memcached_array_free(ptr->configure.filename); + ptr->configure.filename= NULL; + } + + if (memcached_is_allocated(ptr) && release_st) + { + libmemcached_free(ptr, ptr); + } +} + memcached_st *memcached_create(memcached_st *ptr) { if (ptr == NULL) @@ -139,40 +208,74 @@ memcached_st *memcached_create(memcached_st *ptr) return ptr; } +memcached_st *memcached_create_with_options(const char *string, size_t length) +{ + memcached_st *self= memcached_create(NULL); + + if (! self) + return NULL; + + memcached_return_t rc; + if ((rc= memcached_parse_configuration(self, string, length)) != MEMCACHED_SUCCESS) + { + return self; + } + + if (memcached_parse_filename(self)) + { + rc= memcached_parse_configure_file(self, memcached_parse_filename(self), memcached_parse_filename_length(self)); + } + + return self; +} + +memcached_return_t memcached_reset(memcached_st *ptr) +{ + WATCHPOINT_ASSERT(ptr); + if (! ptr) + return MEMCACHED_INVALID_ARGUMENTS; + + bool stored_is_allocated= memcached_is_allocated(ptr); + uint64_t query_id= ptr->query_id; + _free(ptr, false); + memcached_create(ptr); + memcached_set_allocated(ptr, stored_is_allocated); + ptr->query_id= query_id; + + if (ptr->configure.filename) + { + return memcached_parse_configure_file(ptr, memcached_param_array(ptr->configure.filename)); + } + + return MEMCACHED_SUCCESS; +} + void memcached_servers_reset(memcached_st *ptr) { memcached_server_list_free(memcached_server_list(ptr)); memcached_server_list_set(ptr, NULL); ptr->number_of_hosts= 0; + if (ptr->last_disconnected_server) + { + memcached_server_free(ptr->last_disconnected_server); + } ptr->last_disconnected_server= NULL; ptr->server_failure_limit= 0; } -void memcached_free(memcached_st *ptr) +void memcached_reset_last_disconnected_server(memcached_st *ptr) { - /* If we have anything open, lets close it now */ - memcached_quit(ptr); - memcached_server_list_free(memcached_server_list(ptr)); - memcached_result_free(&ptr->result); - - if (ptr->on_cleanup) - ptr->on_cleanup(ptr); - - if (ptr->continuum) - libmemcached_free(ptr, ptr->continuum); - -#ifdef LIBMEMCACHED_WITH_SASL_SUPPORT - if (ptr->sasl.callbacks != NULL) + if (ptr->last_disconnected_server) { - memcached_destroy_sasl_auth_data(ptr); + memcached_server_free(ptr->last_disconnected_server); + ptr->last_disconnected_server= NULL; } -#endif +} - if (memcached_is_allocated(ptr)) - { - libmemcached_free(ptr, ptr); - } +void memcached_free(memcached_st *ptr) +{ + _free(ptr, true); } /* @@ -252,11 +355,7 @@ memcached_st *memcached_clone(memcached_st *clone, const memcached_st *source) } - if (source->prefix_key_length) - { - strcpy(new_clone->prefix_key, source->prefix_key); - new_clone->prefix_key_length= source->prefix_key_length; - } + new_clone->prefix_key= memcached_array_clone(new_clone, source->prefix_key); #ifdef LIBMEMCACHED_WITH_SASL_SUPPORT if (source->sasl.callbacks)