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64-bits alignment for RoutingKey

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orignal 2014-06-03 19:57:42 -04:00
parent a728d9db5b
commit eb44fdf7a8
2 changed files with 12 additions and 8 deletions
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9
Identity.cpp
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@ -98,12 +98,11 @@ namespace data
XORMetric operator^(const RoutingKey& key1, const RoutingKey& key2)
{
// TODO: implementation depends on CPU
XORMetric m;
((uint64_t *)m.metric)[0] = ((uint64_t *)key1.hash)[0] ^ ((uint64_t *)key2.hash)[0];
((uint64_t *)m.metric)[1] = ((uint64_t *)key1.hash)[1] ^ ((uint64_t *)key2.hash)[1];
((uint64_t *)m.metric)[2] = ((uint64_t *)key1.hash)[2] ^ ((uint64_t *)key2.hash)[2];
((uint64_t *)m.metric)[3] = ((uint64_t *)key1.hash)[3] ^ ((uint64_t *)key2.hash)[3];
m.metric_ll[0] = key1.hash_ll[0] ^ key2.hash_ll[0];
m.metric_ll[1] = key1.hash_ll[1] ^ key2.hash_ll[1];
m.metric_ll[2] = key1.hash_ll[2] ^ key2.hash_ll[2];
m.metric_ll[3] = key1.hash_ll[3] ^ key2.hash_ll[3];
return m;
}
}

11
Identity.h
View file

@ -78,7 +78,7 @@ namespace data
bool operator== (const IdentHash& other) const { return !memcmp (m_Hash, other.m_Hash, 32); };
bool operator< (const IdentHash& other) const { return memcmp (m_Hash, other.m_Hash, 32) < 0; };
bool FromBase32(const std::string&);
bool FromBase32(const std::string&);
private:
@ -89,14 +89,19 @@ namespace data
void CreateRandomDHKeysPair (DHKeysPair * keys); // for transport sessions
// kademlia
struct RoutingKey
union RoutingKey
{
uint8_t hash[32];
uint64_t hash_ll[4];
};
struct XORMetric
{
uint8_t metric[32];
union
{
uint8_t metric[32];
uint64_t metric_ll[4];
};
void SetMin () { memset (metric, 0, 32); };
void SetMax () { memset (metric, 0xFF, 32); };