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;
- 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];
hash= (uint32_t)temp_hash;
}
break;
- case MEMCACHED_HASH_FNV1A_64:
+ case MEMCACHED_HASH_FNV1A_64:
{
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;
}
}
break;
- case MEMCACHED_HASH_FNV1_32:
+ case MEMCACHED_HASH_FNV1_32:
{
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;
}
}
break;
- case MEMCACHED_HASH_FNV1A_32:
+ case MEMCACHED_HASH_FNV1A_32:
{
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;
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_KETAMA_SPY:
{
uint32_t num= ptr->continuum_points_counter;
WATCHPOINT_ASSERT(ptr->continuum);
if (right == end)
right= begin;
return right->index;
- }
+ }
case MEMCACHED_DISTRIBUTION_MODULA:
return hash % ptr->number_of_hosts;
case MEMCACHED_DISTRIBUTION_RANDOM:
/* 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)
const char *ptr= key;
uint32_t value= 0;
- while (key_length--)
+ while (key_length--)
{
uint32_t val= (uint32_t) *ptr++;
value += val;
}
value += (value << 3);
value ^= (value >> 11);
- value += (value << 15);
+ value += (value << 15);
return value == 0 ? 1 : (uint32_t) value;
}