Class: ISO8583::MKB::ISO8583Connection

Inherits:
EventMachine::Connection
  • Object
show all
Defined in:
lib/iso8583-mkb/iso8583_connection.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(gateway) ⇒ ISO8583Connection

Returns a new instance of ISO8583Connection.



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# File 'lib/iso8583-mkb/iso8583_connection.rb', line 6

def initialize(gateway)
  super

  @gateway = gateway
  @in_air = {}
  @buffer = ""
  @state = :connecting
  @post_sign_on = []
  @ping_timer = nil
  @open = nil
  @closed = nil
end

Instance Attribute Details

#closed ⇒ Object

Returns the value of attribute closed.



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# File 'lib/iso8583-mkb/iso8583_connection.rb', line 4

def closed
  @closed
end

#gateway ⇒ Object (readonly)

Returns the value of attribute gateway.



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# File 'lib/iso8583-mkb/iso8583_connection.rb', line 3

def gateway
  @gateway
end

#open ⇒ Object

Returns the value of attribute open.



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# File 'lib/iso8583-mkb/iso8583_connection.rb', line 4

def open
  @open
end

Instance Method Details

#post_init ⇒ Object 



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# File 'lib/iso8583-mkb/iso8583_connection.rb', line 19

def post_init
  Logging.logger.debug "Connected to DHI"
end

#receive_data(data) ⇒ Object 



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# File 'lib/iso8583-mkb/iso8583_connection.rb', line 66

def receive_data(data)
  @buffer << data

  until @buffer.empty?
    marker = @buffer.index "\xFF"

    if marker.nil?
      @buffer.clear
      break
    end

    if marker != 0
      @buffer.slice! 0, marker
    end

    break if @buffer.length < 6

    data_length = @buffer[1..5].to_i

    break if @buffer.length < 6 + data_length

    @buffer.slice! 0, 6
    msg = @buffer.slice! 0, data_length
    begin
      receive_message MKBMessage.parse(msg)
    rescue => e
      Logging.logger.error "receive_message failed: #{e}"
      e.backtrace.each { |line| Logging.logger.error line }
    end
  end
end

#request(request) ⇒ Object 



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# File 'lib/iso8583-mkb/iso8583_connection.rb', line 122

def request(request)
  if @state == :connecting
    @post_sign_on << request
  else

    id = request.request.reference.to_i

    Logging.logger.debug "Request #{id}: started"

    raise "duplicate request #{id}" if @in_air.include? id

    if request.timeout.nil?
      timer = nil
    else
      timer = EventMachine.add_timer(request.timeout) do
        @in_air[id][1] = nil
        forget_request id
        request.complete nil
      end
    end

    @in_air[id] = [ request, timer ]

    send_message request.request
  end
end

#sign_in ⇒ Object 



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# File 'lib/iso8583-mkb/iso8583_connection.rb', line 23

def 

  transaction = @gateway.new_transaction
  request = transaction.request do |m|
    m.mti = "Network Management Request"
    m["Network Management Information Code"] = 1
  end

  @state = :ready

  request.start(30) do |response|

    transaction.complete

    if response.nil?
      Logging.logger.error "No response to Sign On"

      close_connection_after_writing
    else
      if Errors.success? response.response_code

        @state = :ready

        @post_sign_on.each do |request|
          self.request request
        end

        @post_sign_on.clear

        send_ping

        @open.call
      else
        Logging.logger.error "Sign On failed: #{Errors.error response.response_code}"

        close_connection_after_writing
      end
    end
  end

  @state = :connecting
end

#unbind ⇒ Object 



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# File 'lib/iso8583-mkb/iso8583_connection.rb', line 98

def unbind
  Logging.logger.debug "Disconnected from DHI"

  @state = :disconnecting

  @closed.call

  EventMachine.cancel_timer @ping_timer unless @ping_timer.nil?

  @in_air.each do |key, (request, timer)|
    Logging.logger.debug "Request #{request.request.reference} dropped"

    EventMachine.cancel_timer timer unless timer.nil?
    request.complete nil
  end

  @post_sign_on.each do |request|
    @gateway.post_request request
  end

  @in_air.clear
  @post_sign_on.clear
end