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_FLUSH,
  45   MEM_FLUSH,
  46 } memcached_flush_action;
  47
  48 typedef enum {
  49   MEM_NO_BLOCK= (1 << 0),
  50   MEM_TCP_NODELAY= (1 << 1),
  51   MEM_REUSE_MEMORY= (1 << 2),
  52   MEM_USE_MD5= (1 << 3),
  53   MEM_USE_KETAMA= (1 << 4),
  54   MEM_USE_CRC= (1 << 5),
  55   MEM_USE_CACHE_LOOKUPS= (1 << 6),
  56   MEM_SUPPORT_CAS= (1 << 7),
  57 } memcached_flags;
  58
  59 /* Hashing algo */
  60 void md5_signature(unsigned char *key, unsigned int length, unsigned char *result);
  61 uint32_t hash_crc32(const char *data,
  62                     size_t data_len);
  63 uint32_t hsieh_hash(char *key, size_t key_length);
  64
  65 memcached_return memcached_connect(memcached_st *ptr, unsigned int server_key);
  66 memcached_return memcached_response(memcached_st *ptr,
  67                                     char *buffer, size_t buffer_length,
  68                                     unsigned int server_key);
  69 unsigned int memcached_generate_hash(memcached_st *ptr, char *key, size_t key_length);
  70 void memcached_quit_server(memcached_st *ptr, unsigned int server_key, uint8_t io_death);
  71
  72 #define memcached_server_response_increment(A,B) A->hosts[B].stack_responses++
  73 #define memcached_server_response_decrement(A,B) A->hosts[B].stack_responses--
  74
  75 /* String Struct */
  76 #define memcached_string_length(A) (size_t)(A->end - A->string)
  77 #define memcached_string_set_length(A, B) A->end= A->string + B
  78 #define memcached_string_size(A) A->current_size
  79 #define memcached_string_value(A) A->string
  80
  81 memcached_string_st *memcached_string_create(memcached_st *ptr,
  82                                              memcached_string_st *string,
  83                                              size_t initial_size);
  84 memcached_return memcached_string_check(memcached_string_st *string, size_t need);
  85 char *memcached_string_c_copy(memcached_string_st *string);
  86 memcached_return memcached_string_append_character(memcached_string_st *string,
  87                                                    char character);
  88 memcached_return memcached_string_append(memcached_string_st *string,
  89                                          char *value, size_t length);
  90 size_t memcached_string_backspace(memcached_string_st *string, size_t remove);
  91 memcached_return memcached_string_reset(memcached_string_st *string);
  92 void memcached_string_free(memcached_string_st *string);
  93 memcached_return memcached_do(memcached_st *ptr, unsigned int server_key, char *commmand,
  94                               size_t command_length, char with_flush);
  95 memcached_return memcached_version(memcached_st *ptr);
  96 memcached_return memcached_finish_server(memcached_st *ptr, unsigned int server_key);
  97 void memcached_finish(memcached_st *ptr);
  98
  99
 100
 101 #endif /* __COMMON_H__ */