Class: CIMD::Loop

Inherits:
EventMachine::Connection
  • Object
show all
Defined in:
lib/cimd_loop.rb

Constant Summary collapse

STATE = 
[:not_connected,:connected,:banner_received,:ready_to_send,:suspend]
MAX_NO_ACTIVITY_TIME = 
180
@@logout_request = 
false

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Loop

Returns a new instance of Loop.



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# File 'lib/cimd_loop.rb', line 43

def initialize
  @state = :not_connected
  @debug = false
  @log = nil
  @keep_alive_counter = Time.now.tv_sec
  @no_activity_counter = Time.now.tv_sec
  #@debug = true if @options[:debug]
  #begin
  #  @log = File.new("ss", "w") if options[:logfile]
  #rescue Exception => e
  #  puts e.to_s
  #  exit
  #end
end

Instance Attribute Details

#conn ⇒ Object

Returns the value of attribute conn.



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# File 'lib/cimd_loop.rb', line 16

def conn
  @conn
end

#debug ⇒ Object

Returns the value of attribute debug.



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# File 'lib/cimd_loop.rb', line 21

def debug
  @debug
end

#keep_alive_counter ⇒ Object

Returns the value of attribute keep_alive_counter.



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# File 'lib/cimd_loop.rb', line 17

def keep_alive_counter
  @keep_alive_counter
end

#logfile ⇒ Object

Returns the value of attribute logfile.



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# File 'lib/cimd_loop.rb', line 20

def logfile
  @logfile
end

#messages ⇒ Object

Returns the value of attribute messages.



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# File 'lib/cimd_loop.rb', line 15

def messages
  @messages
end

#no_activity_counter ⇒ Object

Returns the value of attribute no_activity_counter.



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# File 'lib/cimd_loop.rb', line 18

def no_activity_counter
  @no_activity_counter
end

#options ⇒ Object

Returns the value of attribute options.



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# File 'lib/cimd_loop.rb', line 19

def options
  @options
end

#state ⇒ Object

Returns the value of attribute state.



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# File 'lib/cimd_loop.rb', line 14

def state
  @state
end

Class Method Details

.logout_request ⇒ Object 



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# File 'lib/cimd_loop.rb', line 39

def self.logout_request
  @@logout_request = true
end

Instance Method Details

#change_state(new_state) ⇒ Object 



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# File 'lib/cimd_loop.rb', line 32

def change_state(new_state)
  if @state != new_state
    to_log("#### Transition: #{@state.to_s} ==> #{new_state.to_s} (no_act:#{ Time.now.tv_sec - @no_activity_counter}, keep:#{Time.now.tv_sec - @keep_alive_counter}, queue:#{@messages.size})")
    @state = new_state
  end
end

#connection_completed ⇒ Object 



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# File 'lib/cimd_loop.rb', line 111

def connection_completed
  change_state(:connected)
end

#post_init ⇒ Object 



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# File 'lib/cimd_loop.rb', line 58

def post_init
  
  @timer = EM.add_periodic_timer(1) do
  
  if @@logout_request == true 
    change_state(:logout_request)
    @@logout_request = false
  end
  
  change_state(:alive) if Time.now.tv_sec - @keep_alive_counter > @conn.keep_alive
  change_state(:no_activity) if Time.now.tv_sec - @no_activity_counter > MAX_NO_ACTIVITY_TIME
  
  #puts "No act:#{ Time.now.tv_sec - @no_activity_counter} Keep:#{Time.now.tv_sec - @keep_alive_counter} Queue: #{@messages.size}"
  case @state
    when :banner_received
      change_state(:login_request)
      @messages.pop{ |message|  sending_message(message)}
    when :login_sucessfull
      change_state(:ready_to_send)
    when :ready_to_send
      change_state(:suspend)
      @messages.pop{ |message|  sending_message(message)}
    when :no_activity,:logout_done
      close_connection
    when :alive
      change_state(:suspend)
      to_log("<<<< #{CIMD::alive_message}")
      sending_message(CIMD::alive_message)
    when :logout_request
      @messages = EM::Queue.new
      to_log("<<<< #{CIMD::logout_message}")
      messages.push(CIMD::logout_message);
      change_state(:ready_to_send)
    when :suspend
      #puts "Suspend"
    end
  end
  
end

#receive_data(data) ⇒ Object 



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# File 'lib/cimd_loop.rb', line 115

def receive_data(data)
#puts "Received plain data: #{data}"
  
  case data
    when /CIMD2-A/
      change_state(:banner_received)
    else
  
      (@buffer ||= BufferedTokenizer.new("\003")).extract(data).each do |line|
      message = Message.parse(line)
  
      to_log(">>>> #{message.to_s}")
      # sprawdzic checsum
      if message.is_binary?
        message.parse_binary_data
        to_log("**** Decoded binary: #{message.to_s}")
      end
      @no_activity_counter = Time.now.tv_sec
  
      case message.operation_code
        when CIMD::OP_LOGIN_RESPONSE
          if message.has_error?
            to_log("!!!! Error: #{message.error}")
            close_connection
          else
            change_state(:login_sucessfull)
          end
        when CIMD::OP_SUBMIT_RESPONSE
          if message.has_error?
            to_log("!!!! Error: #{message.error}")
          end
          change_state(:ready_to_send)
        when CIMD::OP_DELIVERY_STATUS_REPORT
          sending_response_message(message)
        when CIMD::OP_DELIVERY_MESSAGE
          sending_response_message(message)
          messages.push(CIMD::submit_text_message(@conn,message.parameter_value(CIMD::P_ORIGINATOR_ADDRESS),message.parameter_value(CIMD::P_USER_DATA)))
        when CIMD::OP_LOGOUT_RESPONSE
          change_state(:logout_done)
        when CIMD::OP_ALIVE_RESPONSE
        when CIMD::OP_GENERAL_ERROR_RESPONSE
          to_log("!!!! Error: #{message.error}")
          close_connection
      else
        to_log("???? Unknown message type: #{data}")
      end # case message.operation_code
    end
  end # case data
end

#sending_message(message) ⇒ Object

post_init



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# File 'lib/cimd_loop.rb', line 98

def sending_message(message)
  message.packet_number = @conn.packet_number!
  to_log("<<<< #{message.to_s}")
  send_data message.to_binary
  @keep_alive_counter = Time.now.tv_sec
end

#sending_response_message(message) ⇒ Object 



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# File 'lib/cimd_loop.rb', line 105

def sending_response_message(message)
  m = CIMD::only_response_message(message)
  to_log("<<<< #{m.to_s}")
  send_data m.to_binary
end

#to_log(message) ⇒ Object 



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# File 'lib/cimd_loop.rb', line 23

def to_log(message)
  #puts @debug
  #puts @logfile
  puts "#{Time.now.strftime("%Y-%m-%d/%H:%M:%S")} #{message}"
  #puts message if @debug
  #@logfile.puts message if @logfile
  $stdout.flush
end

#unbind ⇒ Object

receive_data



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# File 'lib/cimd_loop.rb', line 165

def unbind
  @logfile.close unless @logfile.nil?
  change_state(:not_connected)
  EventMachine.stop_event_loop
end