X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fcommon.h;h=42bafd94cf7b8358ca332ac1d0ab23f97df64db1;hb=dcc1079f79b989151d080b9b440afa23421d87d4;hp=c413b1fe62ec80153aabcca5447d15d095be1801;hpb=7425cb169f8318a1bfde88fdbf991934a690a970;p=m6w6%2Flibmemcached diff --git a/libmemcached/common.h b/libmemcached/common.h index c413b1fe..42bafd94 100644 --- a/libmemcached/common.h +++ b/libmemcached/common.h @@ -1,3 +1,14 @@ +/* LibMemcached + * Copyright (C) 2006-2009 Brian Aker + * All rights reserved. + * + * Use and distribution licensed under the BSD license. See + * the COPYING file in the parent directory for full text. + * + * Summary: + * + */ + /* Common include file for libmemached */ @@ -34,27 +45,29 @@ # endif #endif +/* Define this here, which will turn on the visibilty controls while we're + * building libmemcached. + */ +#define BUILDING_LIBMEMCACHED 1 + #include "libmemcached/memcached.h" -#include "libmemcached/memcached_watchpoint.h" +#include "libmemcached/watchpoint.h" -#if defined(BUILDING_LIBMEMCACHED) /* These are private not to be installed headers */ -#include "libmemcached/memcached_io.h" -#include "libmemcached/memcached_internal.h" +#include "libmemcached/io.h" +#include "libmemcached/internal.h" #include "libmemcached/libmemcached_probes.h" #include "libmemcached/memcached/protocol_binary.h" +#include "libmemcached/byteorder.h" /* string value */ -struct memcached_continuum_item_st { +struct memcached_continuum_item_st +{ uint32_t index; uint32_t value; }; -#endif - - - #if !defined(__GNUC__) || (__GNUC__ == 2 && __GNUC_MINOR__ < 96) @@ -63,8 +76,8 @@ 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 @@ -73,77 +86,62 @@ struct memcached_continuum_item_st { #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; - -#if defined(BUILDING_LIBMEMCACHED) /* 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); #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); -memcached_return memcached_connect(memcached_server_st *ptr); -memcached_return memcached_response(memcached_server_st *ptr, - char *buffer, size_t buffer_length, - memcached_result_st *result); +LIBMEMCACHED_LOCAL +memcached_return_t memcached_connect(memcached_server_st *ptr); +LIBMEMCACHED_LOCAL +memcached_return_t 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); #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 -memcached_return memcached_do(memcached_server_st *ptr, const void *commmand, - size_t command_length, uint8_t with_flush); -memcached_return memcached_version(memcached_st *ptr); -memcached_return value_fetch(memcached_server_st *ptr, - char *buffer, - memcached_result_st *result); +LIBMEMCACHED_LOCAL +memcached_return_t memcached_do(memcached_server_st *ptr, const void *commmand, + size_t command_length, uint8_t with_flush); +LIBMEMCACHED_LOCAL +memcached_return_t 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); -memcached_return memcached_key_test(char **keys, size_t *key_length, - unsigned int number_of_keys); +LIBMEMCACHED_LOCAL +memcached_return_t memcached_key_test(const char * const *keys, + const size_t *key_length, + size_t number_of_keys); -memcached_return run_distribution(memcached_st *ptr); +LIBMEMCACHED_LOCAL uint32_t generate_hash(memcached_st *ptr, const char *key, size_t key_length); -memcached_return memcached_server_remove(memcached_server_st *st_ptr); -#ifndef HAVE_HTONLL -extern uint64_t ntohll(uint64_t); -extern uint64_t htonll(uint64_t); -#endif +LIBMEMCACHED_LOCAL +memcached_return_t memcached_purge(memcached_server_st *ptr); -memcached_return memcached_purge(memcached_server_st *ptr); - -static inline memcached_return memcached_validate_key_length(size_t key_length, - bool binary) { +static inline memcached_return_t 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) @@ -151,12 +149,11 @@ static inline memcached_return memcached_validate_key_length(size_t key_length, } else { - unlikely (key_length >= MEMCACHED_MAX_KEY) + unlikely (key_length >= MEMCACHED_MAX_KEY) return MEMCACHED_BAD_KEY_PROVIDED; } return MEMCACHED_SUCCESS; } -#endif /* BUILDING_LIBMEMCACHED */ -#endif /* !defined(LIBMEMCACHED_COMMON_H) && defined(BUILDING_LIBMEMCACHED) */ +#endif /* LIBMEMCACHED_COMMON_H */