Resolv::MDNS

Resolv::MDNS is a one-shot Multicast DNS (mDNS) resolver. It blindly makes queries to the mDNS addresses without understanding anything about multicast ports.

Information taken form the following places:

RFC 6762

Constants

AddressV4: Default IPv4 mDNS address
AddressV6: Default IPv6 mDNS address
Addresses: Default mDNS addresses
Port: Default mDNS Port

Public Class Methods

new(config_info=nil) click to toggle source

Creates a new one-shot Multicast DNS (mDNS) resolver.

config_info can be:

nil: Uses the default mDNS addresses
Hash: Must contain :nameserver or :nameserver_port like Resolv::DNS#initialize.

 
               # File resolv.rb, line 2582
def initialize(config_info=nil)
  if config_info then
    super({ nameserver_port: Addresses }.merge(config_info))
  else
    super(nameserver_port: Addresses)
  end
end

Public Instance Methods

each_address(name) click to toggle source

Iterates over all IP addresses for name retrieved from the mDNS resolver, provided name ends with “local”. If the name does not end in “local” no records will be returned.

name can be a Resolv::DNS::Name or a String. Retrieved addresses will be a Resolv::IPv4 or Resolv::IPv6

 
               # File resolv.rb, line 2598
def each_address(name)
  name = Resolv::DNS::Name.create(name)

  return unless name.to_a.last == 'local'

  super(name)
end

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Resolv::MDNS

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