Class: EstormMessageProcessor::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/estorm-message-processor/base.rb

Constant Summary collapse

@@mt_id =

MT id counter.

0

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.logger ⇒ Object 



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# File 'lib/estorm-message-processor/base.rb', line 10

def Base.logger
  @@logger
end

.logger=(logger) ⇒ Object 



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# File 'lib/estorm-message-processor/base.rb', line 14

def Base.logger=(logger)
  @@logger = logger
end

Instance Method Details

#logger ⇒ Object 



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# File 'lib/estorm-message-processor/base.rb', line 18

def logger
  @@logger
end

#process_messages(delivery_info, properties, body) ⇒ Object 



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# File 'lib/estorm-message-processor/base.rb', line 22

def process_messages(delivery_info,properties,body)
  begin
    cmdhash=YAML.load(body)
    delegatestring="delegate_#{cmdhash['command']}"
    # create procedures named delegate_command accepting cmdhash
    msg = "-----> [gem estorm message processor] Received from App #{body} calling delegate #{delegatestring} "
    logger.info msg
    self.send(delegatestring,cmdhash)
    #load the promotion and process through data

  rescue  Exception => e    # add could not convert integer
    msg= "found bunny exception #{e.message} found #{e.inspect} #{e.backtrace}..."  #THIS NEEDS WORK!
    logger.info msg

   end
end

#setup_bunny_communications(url, flag, queuename) ⇒ Object 



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# File 'lib/estorm-message-processor/base.rb', line 43

def setup_bunny_communications(url,flag,queuename)
  begin
    # pass flag in as Rails.env.production?
    @client = Bunny.new(url) if flag 
    @client = Bunny.new if !flag
     @client.start
    # msg= "client inspect #{@client.inspect}"
    # logger.info msg
  rescue Bunny::PossibleAuthenticationFailureError => e
    puts "Could not authenticate "
    msg= "logger could not authenticate #{e.message}"
    logger.info msg
  end
  @channel   = @client.create_channel
  @queue   = @channel.queue(queuename)
  msg= "set up active MQ on #{queuename}"
  logger.info msg
end

#start(config) ⇒ Object 



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# File 'lib/estorm-message-processor/base.rb', line 68

def start(config)
  setup_bunny_communications(config[:url],config[:connecturlflag],config[:queuename])
  # Run EventMachine in loop so we can reconnect when the SMSC drops our connection.
  msg= "Connecting to bunny #{config.inspect} environment #{config.inspect}"
  logger.info msg
  loop do


      msg= "[*] Waiting for messages in #{@queue.name}.  blocking is #{config[:blocking]}"
      logger.info msg
      msg_count =@queue.message_count
      consumer_count =@queue.consumer_count
      msg = "queue status for queue #{config[:queuename]} message count: #{msg_count} consumers: #{consumer_count}"
      logger.info msg
      @queue.subscribe(:block => config[:blocking]) do |delivery_info, properties, body|
        process_messages(delivery_info,properties,body)
        # cancel the consumer to exit
        #delivery_info.consumer.cancel
       end 

    end
    msg= "Disconnected. Reconnecting in 5 seconds.."
    logger.info msg
    #puts msg
    tear_down_bunny
    sleep 1
    setup_bunny_communications
    sleep 4


end

#tear_down_bunny ⇒ Object 



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# File 'lib/estorm-message-processor/base.rb', line 62

def tear_down_bunny
   @client.close if @client!=nil
   msg= "closing bunny"
   logger.info msg
end