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Updates from Trond.
[m6w6/libmemcached]
/
libmemcached
/
memcached_hash.c
diff --git
a/libmemcached/memcached_hash.c
b/libmemcached/memcached_hash.c
index 129d76127e8e7271a5d19861892da6b4c474addd..959fc296af562c3f815d0e7a48952759564c9848 100644
(file)
--- a/
libmemcached/memcached_hash.c
+++ b/
libmemcached/memcached_hash.c
@@
-31,13
+31,13
@@
uint32_t memcached_generate_hash_value(const char *key, size_t key_length, memca
hash= 1;
break;
/* FNV hash'es lifted from Dustin Sallings work */
hash= 1;
break;
/* FNV hash'es lifted from Dustin Sallings work */
- case MEMCACHED_HASH_FNV1_64:
+ case MEMCACHED_HASH_FNV1_64:
{
/* Thanks to pierre@demartines.com for the pointer */
uint64_t temp_hash;
temp_hash= FNV_64_INIT;
{
/* Thanks to pierre@demartines.com for the pointer */
uint64_t temp_hash;
temp_hash= FNV_64_INIT;
- for (x= 0; x < key_length; x++)
+ for (x= 0; x < key_length; x++)
{
temp_hash *= FNV_64_PRIME;
temp_hash ^= (uint64_t)key[x];
{
temp_hash *= FNV_64_PRIME;
temp_hash ^= (uint64_t)key[x];
@@
-45,10
+45,10
@@
uint32_t memcached_generate_hash_value(const char *key, size_t key_length, memca
hash= (uint32_t)temp_hash;
}
break;
hash= (uint32_t)temp_hash;
}
break;
- case MEMCACHED_HASH_FNV1A_64:
+ case MEMCACHED_HASH_FNV1A_64:
{
hash= (uint32_t) FNV_64_INIT;
{
hash= (uint32_t) FNV_64_INIT;
- for (x= 0; x < key_length; x++)
+ for (x= 0; x < key_length; x++)
{
uint32_t val= (uint32_t)key[x];
hash ^= val;
{
uint32_t val= (uint32_t)key[x];
hash ^= val;
@@
-56,10
+56,10
@@
uint32_t memcached_generate_hash_value(const char *key, size_t key_length, memca
}
}
break;
}
}
break;
- case MEMCACHED_HASH_FNV1_32:
+ case MEMCACHED_HASH_FNV1_32:
{
hash= FNV_32_INIT;
{
hash= FNV_32_INIT;
- for (x= 0; x < key_length; x++)
+ for (x= 0; x < key_length; x++)
{
uint32_t val= (uint32_t)key[x];
hash *= FNV_32_PRIME;
{
uint32_t val= (uint32_t)key[x];
hash *= FNV_32_PRIME;
@@
-67,10
+67,10
@@
uint32_t memcached_generate_hash_value(const char *key, size_t key_length, memca
}
}
break;
}
}
break;
- case MEMCACHED_HASH_FNV1A_32:
+ case MEMCACHED_HASH_FNV1A_32:
{
hash= FNV_32_INIT;
{
hash= FNV_32_INIT;
- for (x= 0; x < key_length; x++)
+ for (x= 0; x < key_length; x++)
{
uint32_t val= (uint32_t)key[x];
hash ^= val;
{
uint32_t val= (uint32_t)key[x];
hash ^= val;
@@
-121,10
+121,11
@@
uint32_t generate_hash(memcached_st *ptr, const char *key, size_t key_length)
static uint32_t dispatch_host(memcached_st *ptr, uint32_t hash)
{
static uint32_t dispatch_host(memcached_st *ptr, uint32_t hash)
{
- switch (ptr->distribution)
+ switch (ptr->distribution)
{
case MEMCACHED_DISTRIBUTION_CONSISTENT:
case MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA:
{
case MEMCACHED_DISTRIBUTION_CONSISTENT:
case MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA:
+ case MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA_SPY:
{
uint32_t num= ptr->continuum_points_counter;
WATCHPOINT_ASSERT(ptr->continuum);
{
uint32_t num= ptr->continuum_points_counter;
WATCHPOINT_ASSERT(ptr->continuum);
@@
-145,7
+146,7
@@
static uint32_t dispatch_host(memcached_st *ptr, uint32_t hash)
if (right == end)
right= begin;
return right->index;
if (right == end)
right= begin;
return right->index;
- }
+ }
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:
@@
-158,8
+159,8
@@
static uint32_t dispatch_host(memcached_st *ptr, uint32_t hash)
/* NOTREACHED */
}
/* NOTREACHED */
}
-/*
- One day make this public, and have it return the actual memcached_server_st
+/*
+ One day make this public, and have it return the actual memcached_server_st
to the calling application.
*/
uint32_t memcached_generate_hash(memcached_st *ptr, const char *key, size_t key_length)
to the calling application.
*/
uint32_t memcached_generate_hash(memcached_st *ptr, const char *key, size_t key_length)
@@
-206,7
+207,7
@@
static uint32_t internal_generate_hash(const char *key, size_t key_length)
const char *ptr= key;
uint32_t value= 0;
const char *ptr= key;
uint32_t value= 0;
- while (key_length--)
+ while (key_length--)
{
uint32_t val= (uint32_t) *ptr++;
value += val;
{
uint32_t val= (uint32_t) *ptr++;
value += val;
@@
-215,7
+216,7
@@
static uint32_t internal_generate_hash(const char *key, size_t key_length)
}
value += (value << 3);
value ^= (value >> 11);
}
value += (value << 3);
value ^= (value >> 11);
- value += (value << 15);
+ value += (value << 15);
return value == 0 ? 1 : (uint32_t) value;
}
return value == 0 ? 1 : (uint32_t) value;
}