Check if the operating system provides a working ntohll

[awesomized/libmemcached] / libmemcached / common.h

diff --git a/libmemcached/common.h b/libmemcached/common.h
index 7e21afff48a740f1152b6cfff48e0baaf2358097..b7a657092842dd2f9579456591ecce6e509ff387 100644 (file)
--- a/libmemcached/common.h
+++ b/libmemcached/common.h
@@ -8,6 +8,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <strings.h>
 #include <ctype.h>
 #include <sys/types.h>
 #include <sys/socket.h>
@@ -16,17 +17,16 @@
 #include <netdb.h>
 #include <unistd.h>
 #include <limits.h>
-#include <assert.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <sys/un.h>
 #include <netinet/tcp.h>
 
-#if TIME_WITH_SYS_TIME
+#ifdef TIME_WITH_SYS_TIME
 # include <sys/time.h>
 # include <time.h>
 #else
-# if HAVE_SYS_TIME_H
+# ifdef HAVE_SYS_TIME_H
 #  include <sys/time.h>
 # else
 #  include <time.h>
@@ -38,7 +38,8 @@
 #include <memcached.h>
 #include "memcached_io.h"
 
-#include <libmemcached_config.h>
+#include "memcached/protocol_binary.h"
+#include "libmemcached_config.h"
 
 #if !defined(__GNUC__) || (__GNUC__ == 2 && __GNUC_MINOR__ < 96)
 
@@ -51,13 +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
@@ -71,34 +65,41 @@ 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),
+  MEM_USE_UDP= (1 << 15)
 } 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,
@@ -109,4 +110,35 @@ 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);
 
+memcached_return run_distribution(memcached_st *ptr);
+
+uint32_t generate_hash(memcached_st *ptr, const char *key, size_t key_length);
+memcached_return memcached_server_remove(memcached_server_st *st_ptr);
+
+#ifndef HAVE_HTONLL
+extern uint64_t ntohll(uint64_t);
+extern uint64_t htonll(uint64_t);
+#endif
+
+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 >= MEMCACHED_MAX_KEY) 
+      return MEMCACHED_BAD_KEY_PROVIDED;
+  }
+
+  return MEMCACHED_SUCCESS;
+}
+
 #endif /* __COMMON_H__ */