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ircd::rfc1035: Comparison operator suite for record types.

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This commit is contained in:
Jason Volk 2018-04-14 17:14:31 -07:00
parent 1ad4d58e43
commit b9cf0c9796
2 changed files with 71 additions and 0 deletions
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12
include/ircd/rfc1035.h
View file

@ -184,6 +184,9 @@ struct ircd::rfc1035::record::A
A(const answer &);
A();
friend bool operator==(const A &, const A &);
friend bool operator!=(const A &, const A &);
};
/// IPv6 address record.
@ -195,6 +198,9 @@ struct ircd::rfc1035::record::AAAA
AAAA(const answer &);
AAAA();
friend bool operator==(const AAAA &, const AAAA &);
friend bool operator!=(const AAAA &, const AAAA &);
};
/// Canonical name aliasing record
@ -206,6 +212,9 @@ struct ircd::rfc1035::record::CNAME
CNAME(const answer &);
CNAME();
friend bool operator==(const CNAME &, const CNAME &);
friend bool operator!=(const CNAME &, const CNAME &);
};
/// Service record.
@ -221,4 +230,7 @@ struct ircd::rfc1035::record::SRV
SRV(const answer &);
SRV();
friend bool operator==(const SRV &, const SRV &);
friend bool operator!=(const SRV &, const SRV &);
};

59
ircd/rfc1035.cc
View file

@ -218,6 +218,18 @@ ircd::rfc1035::record::A::A(const answer &answer)
ip4 = bswap(*(const uint32_t *)data(rdata));
}
bool
ircd::rfc1035::operator!=(const record::A &a, const record::A &b)
{
return !(a == b);
}
bool
ircd::rfc1035::operator==(const record::A &a, const record::A &b)
{
return a.ip4 == b.ip4;
}
//
// AAAA
//
@ -240,6 +252,22 @@ ircd::rfc1035::record::AAAA::AAAA(const answer &answer)
ip6 = bswap(*(const uint128_t *)data(rdata));
}
bool
ircd::rfc1035::operator!=(const record::AAAA &a, const record::AAAA &b)
{
return !(a == b);
}
bool
ircd::rfc1035::operator==(const record::AAAA &a, const record::AAAA &b)
{
return a.ip6 == b.ip6;
}
//
// CNAME
//
ircd::rfc1035::record::CNAME::CNAME()
:record{5}
{
@ -258,6 +286,22 @@ ircd::rfc1035::record::CNAME::CNAME(const answer &answer)
name = string_view{namebuf, len - 1};
}
bool
ircd::rfc1035::operator!=(const record::CNAME &a, const record::CNAME &b)
{
return !(a == b);
}
bool
ircd::rfc1035::operator==(const record::CNAME &a, const record::CNAME &b)
{
return a.name == b.name;
}
//
// SRV
//
ircd::rfc1035::record::SRV::SRV()
:record{33}
{
@ -285,6 +329,21 @@ ircd::rfc1035::record::SRV::SRV(const answer &answer)
assert(std::distance(pos, end(rdata)) == 0);
}
bool
ircd::rfc1035::operator!=(const record::SRV &a, const record::SRV &b)
{
return !(a == b);
}
bool
ircd::rfc1035::operator==(const record::SRV &a, const record::SRV &b)
{
return a.tgt == b.tgt &&
a.port == b.port &&
a.weight == b.weight &&
a.priority == b.priority;
}
//
// Util / misc
//