In Files

  • resolv.rb

Resolv::DNS::Requester::TCP

Public Class Methods

new(host, port=Port) click to toggle source
 
               # File resolv.rb, line 716
def initialize(host, port=Port)
  super()
  @host = host
  @port = port
  @sock = TCPSocket.new(@host, @port)
  @sock.fcntl(Fcntl::F_SETFD, Fcntl::FD_CLOEXEC) if defined? Fcntl::F_SETFD
  @senders = {}
end
            

Public Instance Methods

close() click to toggle source
 
               # File resolv.rb, line 749
def close
  super
  @senders.each_key {|from,id|
    DNS.free_request_id(@host, @port, id)
  }
end
            
recv_reply() click to toggle source
 
               # File resolv.rb, line 725
def recv_reply
  len = @sock.read(2).unpack('n')[0]
  reply = @sock.read(len)
  return reply, nil
end
            
sender(msg, data, host=@host, port=@port) click to toggle source
 
               # File resolv.rb, line 731
def sender(msg, data, host=@host, port=@port)
  unless host == @host && port == @port
    raise RequestError.new("host/port don't match: #{host}:#{port}")
  end
  id = DNS.allocate_request_id(@host, @port)
  request = msg.encode
  request[0,2] = [request.length, id].pack('nn')
  return @senders[[nil,id]] = Sender.new(request, data, @sock)
end
            

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