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net.dns: Simplify expiry calculation (fixes #919)

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Kim Alvefur 2017-05-22 05:32:11 +02:00
parent 02fb1f6f66
commit 1b616a9320
1 changed files with 2 additions and 8 deletions
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10
net/dns.lua
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@ -137,9 +137,7 @@ local function prune(rrs, time, soft) -- - - - - - - - - - - - - - - prune
time = time or socket.gettime();
for i,rr in ipairs(rrs) do
if rr.tod then
-- rr.tod = rr.tod - 50 -- accelerated decripitude
rr.ttl = math.floor(rr.tod - time);
if rr.ttl <= 0 then
if rr.tod < time then
rrs[rr[rr.type:lower()]] = nil;
table.remove(rrs, i);
return prune(rrs, time, soft); -- Re-iterate
@ -515,11 +513,7 @@ function resolver:rr() -- - - - - - - - - - - - - - - - - - - - - - - - rr
rr.ttl = 0x10000*self:word() + self:word();
rr.rdlength = self:word();
if rr.ttl <= 0 then
rr.tod = self.time + 30;
else
rr.tod = self.time + rr.ttl;
end
rr.tod = self.time + rr.ttl;
local remember = self.offset;
local rr_parser = self[dns.type[rr.type]];