X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fcommon.h;h=e6b24944e3c4388f3a1c0a44de90ec04e5fdff04;hb=983523c4536f12781533124cb8a00a4291b8cf79;hp=96b834632ccfaefa23d3ce5f1bd97acf1e84703d;hpb=e1a4e5405f227e58347d775022dd38fa2595b20b;p=m6w6%2Flibmemcached diff --git a/libmemcached/common.h b/libmemcached/common.h index 96b83463..e6b24944 100644 --- a/libmemcached/common.h +++ b/libmemcached/common.h @@ -1,61 +1,144 @@ +/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab: + * + * LibMemcached + * + * 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. + * + */ + /* Common include file for libmemached */ -#ifndef LIBMEMCACHED_COMMON_H -#define LIBMEMCACHED_COMMON_H +#pragma once -#include "config.h" +#include +#ifdef __cplusplus +#include +#include +#include +#include +#include +#else #include #include #include -#include -#include -#include -#include -#include -#include -#include -#include -#include +#include +#endif + #include #include -#include -#include -#ifdef TIME_WITH_SYS_TIME -# include -# include +#include +#include +#include + +#ifdef HAVE_STRINGS_H +#include +#endif + +#include +#include +#include + +#include + +#ifdef HAVE_POLL_H +#include #else -# ifdef HAVE_SYS_TIME_H -# include -# else -# include -# endif +#include "poll/poll.h" #endif -/* Define this here, which will turn on the visibilty controls while we're - * building libmemcached. - */ -#define BUILDING_LIBMEMCACHED 1 +#ifdef __cplusplus +extern "C" { +#endif -#include "libmemcached/memcached.h" -#include "libmemcached/memcached_watchpoint.h" +typedef memcached_return_t (*memcached_server_execute_fn)(memcached_st *ptr, memcached_server_write_instance_st server, void *context); -/* These are private not to be installed headers */ -#include "libmemcached/memcached_io.h" -#include "libmemcached/memcached_internal.h" -#include "libmemcached/libmemcached_probes.h" -#include "libmemcached/memcached/protocol_binary.h" -#include "libmemcached/byteorder.h" +LIBMEMCACHED_LOCAL +memcached_server_write_instance_st memcached_server_instance_fetch(memcached_st *ptr, uint32_t server_key); + +LIBMEMCACHED_LOCAL +memcached_return_t memcached_server_execute(memcached_st *ptr, + memcached_server_execute_fn callback, + void *context); +#ifdef __cplusplus +} // extern "C" +#endif -/* string value */ -struct memcached_continuum_item_st { - uint32_t index; - uint32_t value; -}; +/* These are private not to be installed headers */ +#include +#include +#include +#ifdef __cplusplus +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#endif +#include +#include +#include +#include +#include +#include +#ifdef __cplusplus +#include +#endif +#include +#include + +#ifdef __cplusplus +#include +#include +#include +#include +#include +#include +#endif + +#include #if !defined(__GNUC__) || (__GNUC__ == 2 && __GNUC_MINOR__ < 96) @@ -64,105 +147,29 @@ struct memcached_continuum_item_st { #else -#define likely(x) if(__builtin_expect(!!(x), 1)) -#define unlikely(x) if(__builtin_expect((x), 0)) +#define likely(x) if(__builtin_expect((x) != 0, 1)) +#define unlikely(x) if(__builtin_expect((x) != 0, 0)) #endif - #define MEMCACHED_BLOCK_SIZE 1024 #define MEMCACHED_DEFAULT_COMMAND_SIZE 350 #define SMALL_STRING_LEN 1024 #define HUGE_STRING_LEN 8196 - -typedef enum { - MEM_NO_BLOCK= (1 << 0), - MEM_TCP_NODELAY= (1 << 1), - MEM_REUSE_MEMORY= (1 << 2), - MEM_USE_MD5= (1 << 3), - /* 4 was once Ketama */ - MEM_USE_CRC= (1 << 5), - MEM_USE_CACHE_LOOKUPS= (1 << 6), - MEM_SUPPORT_CAS= (1 << 7), - MEM_BUFFER_REQUESTS= (1 << 8), - MEM_USE_SORT_HOSTS= (1 << 9), - MEM_VERIFY_KEY= (1 << 10), - /* 11 used for weighted ketama */ - MEM_KETAMA_WEIGHTED= (1 << 11), - MEM_BINARY_PROTOCOL= (1 << 12), - MEM_HASH_WITH_PREFIX_KEY= (1 << 13), - MEM_NOREPLY= (1 << 14), - MEM_USE_UDP= (1 << 15), - MEM_AUTO_EJECT_HOSTS= (1 << 16) -} memcached_flags; - -/* Hashing algo */ - -LIBMEMCACHED_LOCAL -void md5_signature(const unsigned char *key, unsigned int length, unsigned char *result); -LIBMEMCACHED_LOCAL -uint32_t hash_crc32(const char *data, - size_t data_len); -#ifdef HAVE_HSIEH_HASH -LIBMEMCACHED_LOCAL -uint32_t hsieh_hash(const char *key, size_t key_length); +#ifdef __cplusplus +extern "C" { #endif -LIBMEMCACHED_LOCAL -uint32_t murmur_hash(const char *key, size_t key_length); -LIBMEMCACHED_LOCAL -uint32_t jenkins_hash(const void *key, size_t length, uint32_t initval); LIBMEMCACHED_LOCAL -memcached_return memcached_connect(memcached_server_st *ptr); -LIBMEMCACHED_LOCAL -memcached_return memcached_response(memcached_server_st *ptr, - char *buffer, size_t buffer_length, - memcached_result_st *result); -LIBMEMCACHED_LOCAL -void memcached_quit_server(memcached_server_st *ptr, uint8_t io_death); +memcached_return_t run_distribution(memcached_st *ptr); #define memcached_server_response_increment(A) (A)->cursor_active++ #define memcached_server_response_decrement(A) (A)->cursor_active-- #define memcached_server_response_reset(A) (A)->cursor_active=0 LIBMEMCACHED_LOCAL -memcached_return memcached_do(memcached_server_st *ptr, const void *commmand, - size_t command_length, uint8_t with_flush); -LIBMEMCACHED_LOCAL -memcached_return value_fetch(memcached_server_st *ptr, - char *buffer, - memcached_result_st *result); -LIBMEMCACHED_LOCAL -void server_list_free(memcached_st *ptr, memcached_server_st *servers); - -LIBMEMCACHED_LOCAL -memcached_return memcached_key_test(const char **keys, size_t *key_length, - size_t number_of_keys); +memcached_return_t memcached_purge(memcached_server_write_instance_st ptr); - -LIBMEMCACHED_LOCAL -uint32_t generate_hash(memcached_st *ptr, const char *key, size_t key_length); - -LIBMEMCACHED_LOCAL -memcached_return memcached_purge(memcached_server_st *ptr); - -static inline memcached_return memcached_validate_key_length(size_t key_length, - bool binary) { - unlikely (key_length == 0) - return MEMCACHED_BAD_KEY_PROVIDED; - - if (binary) - { - unlikely (key_length > 0xffff) - return MEMCACHED_BAD_KEY_PROVIDED; - } - else - { - unlikely (key_length >= MEMCACHED_MAX_KEY) - return MEMCACHED_BAD_KEY_PROVIDED; - } - - return MEMCACHED_SUCCESS; +#ifdef __cplusplus } - -#endif /* LIBMEMCACHED_COMMON_H */ +#endif