git.m6w6.name Git - awesomized/libmemcached/blob - lib/common.h

   1 /*
   2   Common include file for libmemached
   3 */
   4
   5 #ifndef __COMMON_H__
   6 #define __COMMON_H__
   7
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #include <ctype.h>
  12 #include <sys/types.h>
  13 #include <sys/socket.h>
  14 #include <netinet/in.h>
  15 #include <arpa/inet.h>
  16 #include <netdb.h>
  17 #include <unistd.h>
  18 #include <limits.h>
  19 #include <assert.h>
  20 #include <time.h>
  21 #include <errno.h>
  22 #include <fcntl.h>
  23 #include <sys/un.h>
  24 #include <netinet/tcp.h>
  25
  26
  27
  28 #include <memcached.h>
  29 #include "memcached_io.h"
  30
  31 #include <libmemcached_config.h>
  32
  33 #ifdef HAVE_DTRACE
  34 #define _DTRACE_VERSION 1
  35 #else
  36 #undef _DTRACE_VERSION
  37 #endif
  38
  39 #include "libmemcached_probes.h"
  40
  41 #define MEMCACHED_BLOCK_SIZE 1024
  42
  43 typedef enum {
  44   MEM_NO_BLOCK= (1 << 0),
  45   MEM_TCP_NODELAY= (1 << 1),
  46   MEM_REUSE_MEMORY= (1 << 2),
  47   MEM_USE_MD5= (1 << 3),
  48   MEM_USE_KETAMA= (1 << 4),
  49   MEM_USE_CRC= (1 << 5),
  50   MEM_USE_CACHE_LOOKUPS= (1 << 6),
  51   MEM_SUPPORT_CAS= (1 << 7),
  52 } memcached_flags;
  53
  54 /* Hashing algo */
  55 void md5_signature(unsigned char *key, unsigned int length, unsigned char *result);
  56 uint32_t hash_crc32(const char *data,
  57                     size_t data_len);
  58 uint32_t hsieh_hash(char *key, size_t key_length);
  59
  60 memcached_return memcached_connect(memcached_st *ptr, unsigned int server_key);
  61 memcached_return memcached_response(memcached_st *ptr,
  62                                     char *buffer, size_t buffer_length,
  63                                     memcached_result_st *result,
  64                                     unsigned int server_key);
  65 unsigned int memcached_generate_hash(memcached_st *ptr, char *key, size_t key_length);
  66 void memcached_quit_server(memcached_st *ptr, unsigned int server_key, uint8_t io_death);
  67
  68 #define memcached_server_response_increment(A,B) A->hosts[B].cursor_active++
  69 #define memcached_server_response_decrement(A,B) A->hosts[B].cursor_active--
  70 #define memcached_server_response_reset(A,B) A->hosts[B].cursor_active=0
  71
  72 /* String Struct */
  73 #define memcached_string_length(A) (size_t)((A)->end - (A)->string)
  74 #define memcached_string_set_length(A, B) (A)->end= (A)->string + B
  75 #define memcached_string_size(A) (A)->current_size
  76 #define memcached_string_value(A) (A)->string
  77
  78 memcached_string_st *memcached_string_create(memcached_st *ptr,
  79                                              memcached_string_st *string,
  80                                              size_t initial_size);
  81 memcached_return memcached_string_check(memcached_string_st *string, size_t need);
  82 char *memcached_string_c_copy(memcached_string_st *string);
  83 memcached_return memcached_string_append_character(memcached_string_st *string,
  84                                                    char character);
  85 memcached_return memcached_string_append(memcached_string_st *string,
  86                                          char *value, size_t length);
  87 size_t memcached_string_backspace(memcached_string_st *string, size_t remove);
  88 memcached_return memcached_string_reset(memcached_string_st *string);
  89 void memcached_string_free(memcached_string_st *string);
  90 memcached_return memcached_do(memcached_st *ptr, unsigned int server_key, char *commmand,
  91                               size_t command_length, char with_flush);
  92 memcached_return memcached_version(memcached_st *ptr);
  93 memcached_return value_fetch(memcached_st *ptr,
  94                              char *buffer,
  95                              memcached_result_st *result,
  96                              unsigned int server_key);
  97
  98
  99 #endif /* __COMMON_H__ */