Module: EventMachine::DnsResolver

Defined in:
lib/em/dns_resolver.rb

Defined Under Namespace

Classes: DnsSocket, Request, RequestIdAlreadyUsed

Class Method Summary collapse

Class Method Details

.nameserver ⇒ Object 



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# File 'lib/em/dns_resolver.rb', line 24

def self.nameserver
  unless defined?(@nameserver)
    IO::readlines('/etc/resolv.conf').each do |line|
      if line =~ /^nameserver (.+)$/
        @nameserver = $1.split(/\s+/).first
      end
    end
  end
  @nameserver
end

.nameserver=(ns) ⇒ Object 



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# File 'lib/em/dns_resolver.rb', line 21

def self.nameserver=(ns)
  @nameserver = ns
end

.resolve(hostname) ⇒ Object

Global interface



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# File 'lib/em/dns_resolver.rb', line 10

def self.resolve(hostname)
  Request.new(socket, hostname)
end

.socket ⇒ Object 



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# File 'lib/em/dns_resolver.rb', line 14

def self.socket
  unless defined?(@socket)
    @socket = DnsSocket.open
  end
  @socket
end