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tools/dnsregistry.lua @ 12630:781772c8b6d9
mod_mam: Store archives with sub-second precision timestamps
Changes sub-second part of example timestamp to .5 in order to avoid
floating point issues.
Some clients use timestamps when ordering messages which can lead to
messages having the same timestamp ending up in the wrong order.
It would be better to preserve the order messages are sent in, which is
the order they were stored in.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Sun, 14 Aug 2022 17:28:31 +0200 |
parent | 12271:f31bb79f51d7 |
child | 12855:3306807c0619 |
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-- Generate util/dnsregistry.lua from IANA HTTP status code registry local xml = require "util.xml"; local registries = xml.parse(io.read("*a"), { allow_processing_instructions = true }); print("-- Source: https://www.iana.org/assignments/dns-parameters/dns-parameters.xml"); print(os.date("-- Generated on %Y-%m-%d")) local registry_mapping = { ["dns-parameters-2"] = "classes"; ["dns-parameters-4"] = "types"; ["dns-parameters-6"] = "errors"; }; print("return {"); for registry in registries:childtags("registry") do local registry_name = registry_mapping[registry.attr.id]; if registry_name then print("\t" .. registry_name .. " = {"); for record in registry:childtags("record") do local record_name = record:get_child_text("name"); local record_type = record:get_child_text("type"); local record_desc = record:get_child_text("description"); local record_code = tonumber(record:get_child_text("value")); if tostring(record):lower():match("reserved") or tostring(record):lower():match("reserved") then record_code = nil; end if registry_name == "classes" and record_code then record_type = record_desc and record_desc:match("%((%w+)%)$") if record_type then print(("\t\t[%q] = %d; [%d] = %q;"):format(record_type, record_code, record_code, record_type)) end elseif registry_name == "types" and record_type and record_code then print(("\t\t[%q] = %d; [%d] = %q;"):format(record_type, record_code, record_code, record_type)) elseif registry_name == "errors" and record_code and record_name then print(("\t\t[%d] = %q; [%q] = %q;"):format(record_code, record_name, record_name, record_desc or record_name)); end end print("\t};"); end end print("};");