Class: Xlogin::Telnet

Inherits:
Net::Telnet
  • Object
show all
Includes:
SessionModule
Defined in:
lib/xlogin/telnet.rb

Instance Attribute Summary

Attributes included from SessionModule

#config, #name

Instance Method Summary collapse

Methods included from SessionModule

#close, #disable_log, #duplicate, #enable_log, #expect, #log_message, #print, #prompt, #prompt_pattern, #puts, #type, #waitfor

Constructor Details

#initialize(args) ⇒ Telnet

Returns a new instance of Telnet.



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# File 'lib/xlogin/telnet.rb', line 10

def initialize(args)
  username = args.delete('Username')
  password = args.delete('Password')

  super(args)
  (*[username, password].compact) if username || password
end

Instance Method Details

#interact! ⇒ Object 



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# File 'lib/xlogin/telnet.rb', line 18

def interact!
  $stdin.raw!
  enable_log($stdout)

  loop do
    rs, _ = IO.select([$stdin, @sock])
    rs.each do |fh|
      case fh
      when $stdin
        bs = ''
        begin
          bs = fh.read_nonblock(1)
          if bs == "\e"
            bs << fh.read_nonblock(3)
            bs << fh.read_nonblock(2)
          end
        rescue IO::WaitReadable
        end

        raise EOFError if bs == "\u001D" # <Ctrl-]> to force quit
        @sock.syswrite(bs)
      when @sock
        begin
          log_message(fh.readpartial(1024))
        rescue Errno::EAGAIN
          retry
        end
      end
    end
  end
rescue EOFError, Errno::ECONNRESET
  $stdout.puts "\r\n", "Conneciton closed.", "\r\n"
  close
ensure
  $stdin.cooked!
end