prosody
855085439f7f
net/dns.lua

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net/dns.lua @ 6632:855085439f7f

Merge 0.9->0.10
author Kim Alvefur <zash@zash.se>
date Sun, 26 Apr 2015 00:06:44 +0200
parent 6510:8273236a995f
parent 6631:45222bfb206f
child 6646:9795b8cf14f1
comparison
equal deleted inserted replaced
6630:6735e2d735d6 6632:855085439f7f
699 local function comp_mx(a, b) -- - - - - - - - - - - - - - - - - - - comp_mx 699 local function comp_mx(a, b) -- - - - - - - - - - - - - - - - - - - comp_mx
700 return (a.pref == b.pref) and (a.mx < b.mx) or (a.pref < b.pref); 700 return (a.pref == b.pref) and (a.mx < b.mx) or (a.pref < b.pref);
701 end 701 end
702 702
703 703
704 function resolver:peek (qname, qtype, qclass) -- - - - - - - - - - - - peek 704 function resolver:peek (qname, qtype, qclass, n) -- - - - - - - - - - - - peek
705 qname, qtype, qclass = standardize(qname, qtype, qclass); 705 qname, qtype, qclass = standardize(qname, qtype, qclass);
706 local rrs = get(self.cache, qclass, qtype, qname); 706 local rrs = get(self.cache, qclass, qtype, qname);
707 if not rrs then return nil; end 707 if not rrs then
708 if n then if n <= 0 then return end else n = 3 end
709 rrs = get(self.cache, qclass, "CNAME", qname);
710 if not (rrs and rrs[1]) then return end
711 return self:peek(rrs[1].cname, qtype, qclass, n - 1);
712 end
708 if prune(rrs, socket.gettime()) and qtype == '*' or not next(rrs) then 713 if prune(rrs, socket.gettime()) and qtype == '*' or not next(rrs) then
709 set(self.cache, qclass, qtype, qname, nil); 714 set(self.cache, qclass, qtype, qname, nil);
710 return nil; 715 return nil;
711 end 716 end
712 if self.unsorted[rrs] then table.sort (rrs, comp_mx); end 717 if self.unsorted[rrs] then table.sort (rrs, comp_mx); self.unsorted[rrs] = nil; end
713 return rrs; 718 return rrs;
714 end 719 end
715 720
716 721
717 function resolver:purge(soft) -- - - - - - - - - - - - - - - - - - - purge 722 function resolver:purge(soft) -- - - - - - - - - - - - - - - - - - - purge