Class: StarEthernet::Printer

Inherits:
Object
  • Object
show all
Defined in:
lib/star_ethernet/printer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(host) ⇒ Printer

Returns a new instance of Printer.



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# File 'lib/star_ethernet/printer.rb', line 12

def initialize(host)
  @host = host
  @status = StarEthernet::Status.new(self)
end

Instance Attribute Details

#host ⇒ Object (readonly)

Returns the value of attribute host.



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# File 'lib/star_ethernet/printer.rb', line 10

def host
  @host
end

#status ⇒ Object (readonly)

Returns the value of attribute status.



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# File 'lib/star_ethernet/printer.rb', line 10

def status
  @status
end

Instance Method Details

#current_status ⇒ Object 



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# File 'lib/star_ethernet/printer.rb', line 96

def current_status
  @status.current_status
end

#fetch_status(purpose = '') ⇒ Object 



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# File 'lib/star_ethernet/printer.rb', line 78

def fetch_status(purpose = '')
  begin
    socket = socket(StarEthernet.configuration.status_acquisition_port)
    socket.print(StarEthernet::Command.status_acquisition)
    asb_status = socket.read(StarEthernet.configuration.asb_status_size)
    @status.set_status(asb_status, purpose)
    socket.close
    @status.current_status
  rescue => e
      raise StarEthernet::StatusFetchFailed.new(e.full_message)
    end
end

#print(data) ⇒ Object 



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# File 'lib/star_ethernet/printer.rb', line 17

def print(data)
  begin
    socket = socket(StarEthernet.configuration.raw_socket_print_port)

    if StarEthernet.configuration.nsb
      nbs_status = socket.read(StarEthernet.configuration.asb_status_size)
      @status.set_status(nbs_status, 'receive nbs status')
    end

    socket.print(StarEthernet::Command.initialize_print_sequence)

    fetch_status('fetch etb status for checking counting up after initializing print sequence')

    if current_status.offline?
      raise StarEthernet::PrinterOffline.new(@status.full_messages)
    end

    socket.print(StarEthernet::Command.update_asb_etb_status)

    StarEthernet.configuration.retry_counts.times do |index|
      sleep StarEthernet.configuration.fetch_time_interval
      fetch_status('fetch etb status for reserve etb count before printing')

      break if @status.etb_incremented?
      if index == StarEthernet.configuration.retry_counts - 1
        raise StarEthernet::EtbCountUpFailed.new(@status.full_messages)
      end
    end

    socket.print(StarEthernet::Command.start_document)

    socket.print(data)

    socket.print(StarEthernet::Command.update_asb_etb_status)

    socket.print(StarEthernet::Command.end_document)

    StarEthernet.configuration.retry_counts.times do |index|
      sleep StarEthernet.configuration.fetch_time_interval
      fetch_status('fetch etb status for checking print success')

      break if @status.etb_incremented?
      if index == StarEthernet.configuration.retry_counts - 1
        raise StarEthernet::PrintFailed.new(@status.full_messages)
      end
    end
  ensure
    socket.close
  end
end

#reboot ⇒ Object 



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# File 'lib/star_ethernet/printer.rb', line 91

def reboot
  telnet.cmd('String' => '98', 'Match' => /(.)*Selection: /)
  telnet.cmd('String' => '2', 'Match' => /(.)*Selection: /)
end

#send_command(data) ⇒ Object 



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# File 'lib/star_ethernet/printer.rb', line 68

def send_command(data)
  socket = socket(StarEthernet.configuration.raw_socket_print_port)
  if StarEthernet.configuration.nsb
    nbs_status = socket.read(StarEthernet.configuration.asb_status_size)
    @status.set_status(nbs_status)
  end
  socket.print(data)
  socket.close
end

#set_custom_socket(&socket) ⇒ Object 



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# File 'lib/star_ethernet/printer.rb', line 106

def set_custom_socket(&socket)
  @custom_socket = socket
end

#socket(port) ⇒ Object 



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# File 'lib/star_ethernet/printer.rb', line 100

def socket(port)
  @custom_socket ?
    @custom_socket.call(@host, port) :
    TCPSocket.new(host, port)
end

#telnet ⇒ Object 



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# File 'lib/star_ethernet/printer.rb', line 110

def telnet
  telnet = Net::Telnet.new('Host' => @host, 'Port' => StarEthernet.configuration.telnet_port)
  telnet.waitfor(/(.)*login: /)
  telnet.cmd('String' => 'root', 'Match' => /(.)*Password: /)
  telnet.cmd('String' => 'public', 'Match' => /(.)*Selection: /)
  telnet
end