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
  23
  24 #include <memcached.h>
  25 #include "memcached_io.h"
  26
  27 #include <libmemcached_config.h>
  28
  29 #ifdef HAVE_DTRACE
  30 #define _DTRACE_VERSION 1
  31 #else
  32 #undef _DTRACE_VERSION
  33 #endif
  34
  35 #include "libmemcached_probes.h"
  36
  37 #define MEMCACHED_BLOCK_SIZE 1024
  38
  39 typedef enum {
  40   MEM_NO_BLOCK= (1 << 0),
  41   MEM_TCP_NODELAY= (1 << 1),
  42   MEM_REUSE_MEMORY= (1 << 2),
  43   MEM_USE_MD5= (1 << 3),
  44   MEM_USE_KETAMA= (1 << 4),
  45   MEM_USE_CRC= (1 << 5),
  46 } memcached_flags;
  47
  48 /* Hashing algo */
  49 void md5_signature(unsigned char *key, unsigned int length, unsigned char *result);
  50 uint32_t hash_crc32(const char *data,
  51                     size_t data_len);
  52
  53 memcached_return memcached_connect(memcached_st *ptr, unsigned int server_key);
  54 memcached_return memcached_response(memcached_st *ptr,
  55                                     char *buffer, size_t buffer_length,
  56                                     unsigned int server_key);
  57 unsigned int memcached_generate_hash(memcached_st *ptr, char *key, size_t key_length);
  58 void memcached_quit_server(memcached_st *ptr, unsigned int server_key);
  59
  60 #define memcached_server_response_increment(A,B) A->hosts[B].stack_responses++
  61 #define memcached_server_response_decrement(A,B) A->hosts[B].stack_responses--
  62
  63 /* String Struct */
  64 #define memcached_string_length(A) (size_t)(A->end - A->string)
  65 #define memcached_string_set_length(A, B) A->end= A->string + B
  66 #define memcached_string_size(A) A->current_size
  67 #define memcached_string_value(A) A->string
  68
  69 memcached_string_st *memcached_string_create(memcached_st *ptr,
  70                                              memcached_string_st *string,
  71                                              size_t initial_size);
  72 memcached_return memcached_string_check(memcached_string_st *string, size_t need);
  73 char *memcached_string_c_copy(memcached_string_st *string);
  74 memcached_return memcached_string_append_character(memcached_string_st *string,
  75                                                    char character);
  76 memcached_return memcached_string_append(memcached_string_st *string,
  77                                          char *value, size_t length);
  78 size_t memcached_string_backspace(memcached_string_st *string, size_t remove);
  79 memcached_return memcached_string_reset(memcached_string_st *string);
  80 void memcached_string_free(memcached_string_st *string);
  81
  82
  83 #endif /* __COMMON_H__ */