Top Level Namespace

Defined Under Namespace

Modules: RabbitHutch Classes: Logger

Instance Method Summary collapse

Instance Method Details

#initialize_consumers(rabbitmq_host) ⇒ Object

Initialize all enabled consumners NOTE: this method will be replaced with a routine to reflect through all valid consumers and initialze them implicitly



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

def initialize_consumers(rabbitmq_host)
  puts "Initializing Consumers for #{rabbitmq_host["displayname"]}"
  consumers = []
  @config.consumers.each do |consumer|
    if consumer["enabled"] == true
      case consumer["name"]
        when "console_consumer"
          consumers << RabbitHutch::ConsoleConsumer.new()
        when "mongo_consumer"
          consumers << RabbitHutch::MongoConsumer.new(rabbitmq_host, @config)
        when "log4r_consumer"
          consumers << RabbitHutch::Log4rConsumer.new(rabbitmq_host, @config)
        end 
      end
  end
  puts "\tdone"
  consumers 
end

#start ⇒ Object

Entry Point to the application, Begins queue listener and initializes all consmers



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# File 'lib/rabbithutch.rb', line 55

def start
  begin
    EventMachine.run do
      
      @config.rabbitmq_hosts.each do |rabbitmq_host|
        if rabbitmq_host["enabled"] == true
          start_worker(rabbitmq_host)
        end
      end
      Signal.trap("INT"){EventMachine.stop}
      Signal.trap("QUIT"){EventMachine.stop}
      Signal.trap("TERM"){EventMachine.stop}
      Signal.trap("TSTP"){EventMachine.stop}
    end
  rescue Exception=>e
    puts "#{e.message} #{e.backtrace}"
  end
end

#start_worker(rabbitmq_host) ⇒ Object

Start the worker process to listen to a RabbitMq Node



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# File 'lib/rabbithutch.rb', line 38

def start_worker(rabbitmq_host)
  displayname = rabbitmq_host["displayname"]
  hostname = rabbitmq_host["hostname"]
  username = rabbitmq_host["username"]
  password = rabbitmq_host["password"]
  
  consumers = initialize_consumers(rabbitmq_host)
     
  puts "Listening to RabbitMq #{displayname}, host: #{hostname}, username #{username}"
  AMQP.connect(:host => hostname, :user => username, :password => password) do |connection|
    channel = AMQP::Channel.new(connection)
    worker = RabbitHutch::Worker.new(channel, @config, consumers)
    worker.start
  end
end