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Motivation

Connecting to hostnames from EventMachine? Dissatisfied from the Dnsruby experience? Disappointed by the lack of EventMachine support in Dnsruby trunk? Then you want this.

Usage

    require 'em/resolver'
    
    EM.run {
      res = EventMachine::Resolver.new
      q = res.getaddrinfo("localhost")
      q.callback do |addresses|
        addresses.each { |address|
          spam! address
        }
      end
      q.errback do |error|
        puts "Oh noes: #{error}"
      end
    }

Dnsruby compatibility

A drop-in replacement for Dnsruby is provided given you use the library exactly as stated in the EventMachine FAQ.

See spec/dnsruby_spec.rb for details.

ext/asyncns.h

...is included in a slightly modified form because the original one had parameter names like `class' which prevents compiling as C++.