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Hash code method for InetAddress

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Adam Ierymenko 2015-02-02 14:44:24 -08:00
parent d73a11b60b
commit c30bf7957e
1 changed files with 14 additions and 0 deletions
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14
node/InetAddress.hpp
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@ -270,6 +270,20 @@ public:
} }
} }
/**
* @return Checksum of this address (not portable, so don't use for long-term storage purposes)
*/
inline uint64_t hashCode() const
{
switch(_sa.saddr.sa_family) {
case AF_INET:
return ((uint64_t)_sa.sin.sin_port + (uint64_t)(_sa.sin.sin_addr.s_addr));
case AF_INET6:
return ((uint64_t)_sa.sin6.sin6_port + ( ((const uint64_t *)_sa.sin6.sin6_addr.s6_addr)[0] ^ ((const uint64_t *)_sa.sin6.sin6_addr.s6_addr)[1] ));
}
return 0;
}
/** /**
* @return Combined length of internal structure, room for either V4 or V6 * @return Combined length of internal structure, room for either V4 or V6
*/ */