prosody
b7b960d30eef
net/dns.lua

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net/dns.lua @ 8907:b7b960d30eef

Backed out changeset eae606b9266c: Used a lot of memory
author Kim Alvefur <zash@zash.se>
date Sun, 10 Jun 2018 17:37:06 +0200
parent 8901:eae606b9266c
child 8908:144666d0ad2f
comparison
equal deleted inserted replaced
8905:65d1a80d3565 8907:b7b960d30eef
84 local function highbyte(i) -- - - - - - - - - - - - - - - - - - - highbyte 84 local function highbyte(i) -- - - - - - - - - - - - - - - - - - - highbyte
85 return (i-(i%0x100))/0x100; 85 return (i-(i%0x100))/0x100;
86 end 86 end
87 87
88 88
89 local function augment (t, prefix) -- - - - - - - - - - - - - - - - - augment 89 local function augment (t) -- - - - - - - - - - - - - - - - - - - - augment
90 local a = {}; 90 local a = {};
91 for i = 1, 0xffff do 91 for i,s in pairs(t) do
92 local s = t[i] or ("%s%d"):format(prefix, i);
93 a[i] = s; 92 a[i] = s;
94 a[s] = s; 93 a[s] = s;
95 a[string.lower(s)] = s; 94 a[string.lower(s)] = s;
96 end 95 end
97 return a; 96 return a;
118 117
119 118
120 dns.classes = { 'IN', 'CS', 'CH', 'HS', [255] = '*' }; 119 dns.classes = { 'IN', 'CS', 'CH', 'HS', [255] = '*' };
121 120
122 121
123 dns.type = augment (dns.types, "TYPE"); 122 dns.type = augment (dns.types);
124 dns.class = augment (dns.classes, "CLASS"); 123 dns.class = augment (dns.classes);
125 dns.typecode = encode (dns.types); 124 dns.typecode = encode (dns.types);
126 dns.classcode = encode (dns.classes); 125 dns.classcode = encode (dns.classes);
127 126
128 127
129 128