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authorKim Alvefur <zash@zash.se>2018-06-10 17:45:49 +0200
committerKim Alvefur <zash@zash.se>2018-06-10 17:45:49 +0200
commit054cdafd57234e9b22cf6178552df1d1929b86ad (patch)
treedf38c9c89512c9037ff809bc98df7608f7a3816e /net/dns.lua
parent28e486f3df0f239d65a6ae771b43c92869a8f275 (diff)
downloadprosody-054cdafd57234e9b22cf6178552df1d1929b86ad.tar.gz
prosody-054cdafd57234e9b22cf6178552df1d1929b86ad.zip
net.dns: Lazily generate unknown RR type names
Diffstat (limited to 'net/dns.lua')
-rw-r--r--net/dns.lua15
1 files changed, 12 insertions, 3 deletions
diff --git a/net/dns.lua b/net/dns.lua
index 8a7d4e7a..563c81a6 100644
--- a/net/dns.lua
+++ b/net/dns.lua
@@ -86,13 +86,22 @@ local function highbyte(i) -- - - - - - - - - - - - - - - - - - - highbyte
end
-local function augment (t) -- - - - - - - - - - - - - - - - - - - - augment
+local function augment (t, prefix) -- - - - - - - - - - - - - - - - - augment
local a = {};
for i,s in pairs(t) do
a[i] = s;
a[s] = s;
a[string.lower(s)] = s;
end
+ setmetatable(a, {
+ __index = function (_, i)
+ if type(i) == "number" then
+ return ("%s%d"):format(prefix, i);
+ elseif type(i) == "string" then
+ return i:upper();
+ end
+ end;
+ })
return a;
end
@@ -119,8 +128,8 @@ dns.types = {
dns.classes = { 'IN', 'CS', 'CH', 'HS', [255] = '*' };
-dns.type = augment (dns.types);
-dns.class = augment (dns.classes);
+dns.type = augment (dns.types, "TYPE");
+dns.class = augment (dns.classes, "CLASS");
dns.typecode = encode (dns.types);
dns.classcode = encode (dns.classes);