X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fcommon.h;h=d8371d18dfa69d89adbbd5561ea198472bdfd0ba;hb=7b548d21a8eafec0b830ad1bd6429cecd4eaeba8;hp=81abd72c42b64906111b87845f3c2ee2c896958a;hpb=a7d4d06052df02ae2eff8694e8ed6cc991b83eee;p=awesomized%2Flibmemcached diff --git a/libmemcached/common.h b/libmemcached/common.h index 81abd72c..d8371d18 100644 --- a/libmemcached/common.h +++ b/libmemcached/common.h @@ -2,12 +2,15 @@ Common include file for libmemached */ -#ifndef __COMMON_H__ -#define __COMMON_H__ +#ifndef LIBMEMCACHED_COMMON_H +#define LIBMEMCACHED_COMMON_H + +#include "config.h" #include #include #include +#include #include #include #include @@ -20,24 +23,38 @@ #include #include #include - -#if TIME_WITH_SYS_TIME +#ifdef TIME_WITH_SYS_TIME # include # include #else -# if HAVE_SYS_TIME_H +# ifdef HAVE_SYS_TIME_H # include # else # include # 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" +/* 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 -#include "memcached_io.h" +/* string value */ +struct memcached_continuum_item_st { + uint32_t index; + uint32_t value; +}; -#include #if !defined(__GNUC__) || (__GNUC__ == 2 && __GNUC_MINOR__ < 96) @@ -51,14 +68,6 @@ #endif -#ifdef HAVE_DTRACE -#define _DTRACE_VERSION 1 -#else -#undef _DTRACE_VERSION -#endif - -#include "libmemcached_probes.h" - #define MEMCACHED_BLOCK_SIZE 1024 #define MEMCACHED_DEFAULT_COMMAND_SIZE 350 #define SMALL_STRING_LEN 1024 @@ -70,44 +79,96 @@ typedef enum { MEM_TCP_NODELAY= (1 << 1), MEM_REUSE_MEMORY= (1 << 2), MEM_USE_MD5= (1 << 3), - MEM_USE_KETAMA= (1 << 4), + /* 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 */ -void md5_signature(unsigned char *key, unsigned int length, unsigned char *result); + +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); -uint32_t hsieh_hash(char *key, size_t key_length); -uint32_t murmur_hash(char *key, size_t key_length); +#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); +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); -unsigned int memcached_generate_hash(memcached_st *ptr, char *key, size_t key_length); +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, char *commmand, +LIBMEMCACHED_LOCAL +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); +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); -memcached_return memcachd_key_test(char **keys, size_t *key_length, - unsigned int number_of_keys); +LIBMEMCACHED_LOCAL +memcached_return memcached_key_test(char **keys, size_t *key_length, + unsigned int number_of_keys); -void sort_hosts(memcached_st *ptr); -#endif /* __COMMON_H__ */ +LIBMEMCACHED_LOCAL +uint32_t generate_hash(memcached_st *ptr, const char *key, size_t key_length); + +#ifndef HAVE_HTONLL +LIBMEMCACHED_LOCAL +extern uint64_t ntohll(uint64_t); +LIBMEMCACHED_LOCAL +extern uint64_t htonll(uint64_t); +#endif + +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; +} + +#endif /* LIBMEMCACHED_COMMON_H */