Class: Vines::Services::Connection

Inherits:
Object
  • Object
show all
Includes:
Log
Defined in:
lib/vines/services/connection.rb

Overview

Connects the component process to the chat server and provides the protocol used by the web user interface and the agents.

Constant Summary collapse

@@controllers = 
[]

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ Connection

Returns a new instance of Connection.



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# File 'lib/vines/services/connection.rb', line 15

def initialize(options)
  host, port, password, @vhost = *options.values_at(:host, :port, :password, :vhost)
  @stream = Blather::Client.setup(@vhost.name, password, host, port)
  @throttle = Throttle.new(@stream)
  @queues = {}

  @stream.register_handler(:stream_error) do |e|
    log.error(e.message)
    true # prevent EM.stop
  end

  @stream.register_handler(:disconnected) do
    log.info("Stream disconnected, reconnecting . . .")
    EM::Timer.new(10) do
      self.class.new(options).start
    end
    true # prevent EM.stop
  end

  @stream.register_handler(:ready) do
    log.info("Connected #{@stream.jid} component to #{host}:#{port}")
    Fiber.new do
      broadcast_presence
    end.resume
  end

  @stream.register_handler(:iq, '/iq[@type="get"]/ns:query', :ns => 'jabber:iq:version') do |node|
    if node.to == @stream.jid
      iq = Blather::Stanza::Iq::Query.new(:result)
      iq.id, iq.to = node.id, node.from
      iq.query.add_child("<name>Vines Services</name>")
      iq.query.add_child("<version>#{VERSION}</version>")
      @stream.write(iq)
    end
  end

  @@controllers.each do |args, klass|
    @stream.register_handler(*args) do |node|
      jid = node.from.to_s
      start = !@queues.key?(jid)
      queue = (@queues[jid] ||= EM::Queue.new)
      queue.push([node, klass])
      process_node_queue(jid) if start
    end
  end
end

Class Method Details

.register(*args, klass) ⇒ Object 



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# File 'lib/vines/services/connection.rb', line 11

def self.register(*args, klass)
  @@controllers << [args, klass]
end

Instance Method Details

#start ⇒ Object 



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# File 'lib/vines/services/connection.rb', line 62

def start
  @stream.run
end