Class: C3s::ComponentConnection

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

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(componentclass, options = {}) ⇒ ComponentConnection

Returns a new instance of ComponentConnection.



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# File 'lib/component_connection.rb', line 3

def initialize(componentclass, options={})
  @no_db = options[:no_db]
  if !componentclass.superclass.eql?(C3s::Component) and !componentclass.superclass.eql?(C3s::Republisher)
    puts "ERROR: #{componentclass} is not a valid C3s::Component (seems to be a #{componentclass.superclass})"
    exit
  end
  
  reader = C3s::ConfigReader.new(options)
  puts "Reading configurations from yaml file..."
  @server_config = reader.section('server')
  @client_config = reader.section('client')
  
  # a jid parameter is usefull, so lets merge it on client configuration
  @client_config.merge!('jid' => @client_config['name']+"."+@server_config['url'])
  @db_config = reader.section('db') if !@no_db
  
  puts "Creating new component with jid '#{@client_config['jid']}'..."
  @component = componentclass.new(@server_config.merge(@client_config))
end

Class Method Details

.stop ⇒ Object 



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# File 'lib/component_connection.rb', line 71

def self.stop
  puts "Stop aqui!!"
end

Instance Method Details

#connect ⇒ Object 



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

def connect
  puts "Connecting to #{@server_config['url']} (port #{@server_config['port']})..."
        
  begin
    @component.connect
  rescue Jabber::ComponentAuthenticationFailure => e
    puts "Could not authenticate on #{@server_config['url']}: #{e}"
    exit
  rescue Errno::ECONNREFUSED => e
    puts "Connection refused on #{@server_config['url']} (port #{@server_config['port']})"
    exit
  rescue Exception => e
    puts "ERROR: Couldn't connect to server!"
    puts "#{e.inspect} #{e.backtrace.join("\n")}"
    $LOG.error "Couldn't connect to server!"
    exit
  end
  puts "External component #{@client_config['jid']} connected successfully."
  
  # TODO - use this to do something useful?
  @component.on_exception do |e, component, where|
    component.disconnect
    $LOG.error e.backtrace.join("\n") if e
    exit 1
  end
  
  puts "Starting messaging loop..."
  Thread.abort_on_exception = true
  @component.add_callbacks
  Thread.stop
end

#start ⇒ Object 



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

def start
  if !@no_db
    puts "Connecting to database '#{@db_config['database']}'"
    begin
      # activerecord connection
      DatabaseAdapter.new(@db_config)
      # raises exception if not connected
      ActiveRecord::Base.retrieve_connection
    rescue Exception => e
      puts "Error: #{e}"
      exit 1
    end
  end
  connect
end