+/* LibMemcached
+ * Copyright (C) 2006-2009 Brian Aker
+ * All rights reserved.
+ *
+ * Use and distribution licensed under the BSD license. See
+ * the COPYING file in the parent directory for full text.
+ *
+ * Summary:
+ *
+ */
+
/*
Common include file for libmemached
*/
-#ifndef __COMMON_H__
-#define __COMMON_H__
+#ifndef LIBMEMCACHED_COMMON_H
+#define LIBMEMCACHED_COMMON_H
+
+#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/un.h>
#include <netinet/tcp.h>
-
#ifdef TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
# 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/watchpoint.h"
+typedef struct memcached_server_st memcached_server_instance_st;
-#include <memcached.h>
-#include "memcached_io.h"
+/* These are private not to be installed headers */
+#include "libmemcached/io.h"
+#include "libmemcached/internal.h"
+#include "libmemcached/libmemcached_probes.h"
+#include "libmemcached/memcached/protocol_binary.h"
+#include "libmemcached/byteorder.h"
+#include "libmemcached/response.h"
+
+/* string value */
+struct memcached_continuum_item_st
+{
+ uint32_t index;
+ uint32_t value;
+};
-#include "memcached/protocol_binary.h"
-#include "libmemcached_config.h"
#if !defined(__GNUC__) || (__GNUC__ == 2 && __GNUC_MINOR__ < 96)
#else
-#define likely(x) if(__builtin_expect(!!(x), 1))
-#define unlikely(x) if(__builtin_expect((x), 0))
-#endif
-
-
-#ifdef HAVE_DTRACE
-#define _DTRACE_VERSION 1
-#else
-#undef _DTRACE_VERSION
+#define likely(x) if(__builtin_expect((x) != 0, 1))
+#define unlikely(x) if(__builtin_expect((x) != 0, 0))
#endif
-#include "libmemcached_probes.h"
#define MEMCACHED_BLOCK_SIZE 1024
#define MEMCACHED_DEFAULT_COMMAND_SIZE 350
#define SMALL_STRING_LEN 1024
#define HUGE_STRING_LEN 8196
-
-typedef enum {
- MEM_NO_BLOCK= (1 << 0),
- MEM_TCP_NODELAY= (1 << 1),
- MEM_REUSE_MEMORY= (1 << 2),
- MEM_USE_MD5= (1 << 3),
- /* 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)
-} memcached_flags;
-
/* Hashing algo */
+
+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);
+#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);
-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);
-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);
+LIBMEMCACHED_LOCAL
+memcached_return_t memcached_connect(memcached_server_instance_st *ptr);
+LIBMEMCACHED_LOCAL
+void memcached_quit_server(memcached_server_instance_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, 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,
- char *buffer,
- memcached_result_st *result);
-void server_list_free(memcached_st *ptr, memcached_server_st *servers);
+LIBMEMCACHED_LOCAL
+memcached_return_t memcached_do(memcached_server_instance_st *ptr, const void *commmand,
+ size_t command_length, uint8_t with_flush);
+LIBMEMCACHED_LOCAL
+memcached_return_t value_fetch(memcached_server_instance_st *ptr,
+ char *buffer,
+ memcached_result_st *result);
+LIBMEMCACHED_LOCAL
+void server_list_free(memcached_st *ptr, memcached_server_instance_st *servers);
-memcached_return memcachd_key_test(char **keys, size_t *key_length,
- unsigned int number_of_keys);
+LIBMEMCACHED_LOCAL
+memcached_return_t memcached_key_test(const char * const *keys,
+ const size_t *key_length,
+ size_t number_of_keys);
-memcached_return run_distribution(memcached_st *ptr);
-
-uint32_t generate_hash_value(const char *key, size_t key_length, memcached_hash hash_algorithm);
+LIBMEMCACHED_LOCAL
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);
-
-void host_reset(memcached_st *ptr, memcached_server_st *host,
- const char *hostname, unsigned int port, uint32_t weight,
- memcached_connection type);
-
-memcached_return memcached_purge(memcached_server_st *ptr);
-#endif /* __COMMON_H__ */
+LIBMEMCACHED_LOCAL
+memcached_return_t memcached_purge(memcached_server_instance_st *ptr);
+
+static inline memcached_return_t 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 */