local definition_handlers = {}; local new_throttle = require "util.throttle".create; function definition_handlers.ZONE(zone_name, zone_members) local zone_member_list = {}; for member in zone_members:gmatch("[^, ]+") do zone_member_list[#zone_member_list+1] = member; end return set.new(zone_member_list)._items; end function definition_handlers.RATE(name, line) local rate = assert(tonumber(line:match("([%d.]+)")), "Unable to parse rate"); local burst = tonumber(line:match("%(%s*burst%s+([%d.]+)%s*%)")) or 1; return new_throttle(rate*burst, burst); end return definition_handlers;