X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fcommon.h;h=40787d3863ea1ab4ce7f466f199ba361dbb66cb2;hb=b0e52309fcc12077506ff7d0d7d55311d64a073e;hp=44e32dd84bba528bf3d83ac049a6607775d772cb;hpb=a4822a8fac8aa8fe0206a4f5ea64778ef1a09755;p=awesomized%2Flibmemcached diff --git a/libmemcached/common.h b/libmemcached/common.h index 44e32dd8..40787d38 100644 --- a/libmemcached/common.h +++ b/libmemcached/common.h @@ -8,6 +8,7 @@ #include #include #include +#include #include #include #include @@ -21,11 +22,11 @@ #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 @@ -37,7 +38,8 @@ #include #include "memcached_io.h" -#include +#include "memcached/protocol_binary.h" +#include "libmemcached_config.h" #if !defined(__GNUC__) || (__GNUC__ == 2 && __GNUC_MINOR__ < 96) @@ -50,13 +52,6 @@ #define unlikely(x) if(__builtin_expect((x), 0)) #endif - -#ifdef HAVE_DTRACE -#define _DTRACE_VERSION 1 -#else -#undef _DTRACE_VERSION -#endif - #include "libmemcached_probes.h" #define MEMCACHED_BLOCK_SIZE 1024 @@ -70,34 +65,40 @@ 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) } memcached_flags; /* Hashing algo */ -void md5_signature(unsigned char *key, unsigned int length, unsigned char *result); +void md5_signature(const unsigned char *key, unsigned int length, unsigned char *result); 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); +uint32_t hsieh_hash(const char *key, size_t key_length); +uint32_t murmur_hash(const char *key, size_t key_length); +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); -unsigned int memcached_generate_hash(memcached_st *ptr, char *key, size_t key_length); +uint32_t memcached_generate_hash(memcached_st *ptr, const char *key, size_t key_length); 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, +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, @@ -108,7 +109,35 @@ 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); -void sort_hosts(memcached_st *ptr); +memcached_return run_distribution(memcached_st *ptr); + +uint32_t generate_hash_value(const char *key, size_t key_length, memcached_hash hash_algorithm); + +uint32_t generate_hash(memcached_st *ptr, const char *key, size_t key_length); +memcached_return memcached_server_remove(memcached_server_st *st_ptr); + +extern uint64_t ntohll(uint64_t); +extern uint64_t htonll(uint64_t); + +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 > 250) + return MEMCACHED_BAD_KEY_PROVIDED; + } + + return MEMCACHED_SUCCESS; +} -uint32_t generate_hash(memcached_st *ptr, char *key, size_t key_length); #endif /* __COMMON_H__ */