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Update changelog
[awesomized/libmemcached]
/
libmemcached
/
memcached_hash.c
diff --git
a/libmemcached/memcached_hash.c
b/libmemcached/memcached_hash.c
index 1f51ac252dedb8f42ade5bc5749603a1cacd91dc..e3249c0624774f0d2b343a27e719153e36dd0a45 100644
(file)
--- a/
libmemcached/memcached_hash.c
+++ b/
libmemcached/memcached_hash.c
@@
-1,8
+1,9
@@
#include "common.h"
#include "common.h"
+
/* Defines */
/* Defines */
-static uint64_t FNV_64_INIT=
0xcbf29ce484222325LL
;
-static uint64_t FNV_64_PRIME=
0x100000001b3LL
;
+static uint64_t FNV_64_INIT=
UINT64_C(0xcbf29ce484222325)
;
+static uint64_t FNV_64_PRIME=
UINT64_C(0x100000001b3)
;
static uint32_t FNV_32_INIT= 2166136261UL;
static uint32_t FNV_32_PRIME= 16777619;
static uint32_t FNV_32_INIT= 2166136261UL;
static uint32_t FNV_32_PRIME= 16777619;
@@
-11,7
+12,7
@@
static uint32_t FNV_32_PRIME= 16777619;
static uint32_t internal_generate_hash(const char *key, size_t key_length);
static uint32_t internal_generate_md5(const char *key, size_t key_length);
static uint32_t internal_generate_hash(const char *key, size_t key_length);
static uint32_t internal_generate_md5(const char *key, size_t key_length);
-uint32_t generate_hash_value(const char *key, size_t key_length, memcached_hash hash_algorithm)
+uint32_t
memcached_
generate_hash_value(const char *key, size_t key_length, memcached_hash hash_algorithm)
{
uint32_t hash= 1; /* Just here to remove compile warning */
uint32_t x= 0;
{
uint32_t hash= 1; /* Just here to remove compile warning */
uint32_t x= 0;
@@
-76,7
+77,9
@@
uint32_t generate_hash_value(const char *key, size_t key_length, memcached_hash
break;
case MEMCACHED_HASH_HSIEH:
{
break;
case MEMCACHED_HASH_HSIEH:
{
+#ifdef HAVE_HSIEH_HASH
hash= hsieh_hash(key, key_length);
hash= hsieh_hash(key, key_length);
+#endif
break;
}
case MEMCACHED_HASH_MURMUR:
break;
}
case MEMCACHED_HASH_MURMUR:
@@
-89,6
+92,11
@@
uint32_t generate_hash_value(const char *key, size_t key_length, memcached_hash
hash=jenkins_hash(key, key_length, 13);
break;
}
hash=jenkins_hash(key, key_length, 13);
break;
}
+ default:
+ {
+ WATCHPOINT_ASSERT(hash_algorithm);
+ break;
+ }
}
return hash;
}
}
return hash;
}
@@
-103,7
+111,7
@@
uint32_t generate_hash(memcached_st *ptr, const char *key, size_t key_length)
if (ptr->number_of_hosts == 1)
return 0;
if (ptr->number_of_hosts == 1)
return 0;
- hash= generate_hash_value(key, key_length, ptr->hash);
+ hash=
memcached_
generate_hash_value(key, key_length, ptr->hash);
WATCHPOINT_ASSERT(hash);
return hash;
}
WATCHPOINT_ASSERT(hash);
return hash;
}
@@
-135,7
+143,6
@@
static uint32_t dispatch_host(memcached_st *ptr, uint32_t hash)
right= begin;
return right->index;
}
right= begin;
return right->index;
}
- break;
case MEMCACHED_DISTRIBUTION_MODULA:
return hash % ptr->number_of_hosts;
case MEMCACHED_DISTRIBUTION_RANDOM:
case MEMCACHED_DISTRIBUTION_MODULA:
return hash % ptr->number_of_hosts;
case MEMCACHED_DISTRIBUTION_RANDOM:
@@
-163,12
+170,15
@@
uint32_t memcached_generate_hash(memcached_st *ptr, const char *key, size_t key_
if (ptr->flags & MEM_HASH_WITH_PREFIX_KEY)
{
if (ptr->flags & MEM_HASH_WITH_PREFIX_KEY)
{
- int temp_len= ptr->prefix_key_length + key_length;
- char *temp= (char *)malloc(temp_len);
+ size_t temp_length= ptr->prefix_key_length + key_length;
+ char temp[temp_length];
+
+ if (temp_length > MEMCACHED_MAX_KEY -1)
+ return 0;
+
strncpy(temp, ptr->prefix_key, ptr->prefix_key_length);
strncpy(temp + ptr->prefix_key_length, key, key_length);
strncpy(temp, ptr->prefix_key, ptr->prefix_key_length);
strncpy(temp + ptr->prefix_key_length, key, key_length);
- hash= generate_hash(ptr, temp, temp_len);
- free(temp);
+ hash= generate_hash(ptr, temp, temp_length);
}
else
{
}
else
{
@@
-177,6
+187,14
@@
uint32_t memcached_generate_hash(memcached_st *ptr, const char *key, size_t key_
WATCHPOINT_ASSERT(hash);
WATCHPOINT_ASSERT(hash);
+ if (memcached_behavior_get(ptr, MEMCACHED_BEHAVIOR_AUTO_EJECT_HOSTS) && ptr->next_distribution_rebuild) {
+ struct timeval now;
+
+ if (gettimeofday(&now, NULL) == 0 &&
+ now.tv_sec > ptr->next_distribution_rebuild)
+ run_distribution(ptr);
+ }
+
return dispatch_host(ptr, hash);
}
return dispatch_host(ptr, hash);
}