Class: Safubot::XMPP::Bot

Inherits:

Object

• Object
• Safubot::XMPP::Bot

show all

Includes:

Evented

Defined in:

lib/safubot/xmpp.rb

Instance Attribute Summary (collapse)

• - (Object) client readonly

  Returns the value of attribute client.

• - (Object) jid readonly

  Returns the value of attribute jid.

• - (Object) pid readonly

  Returns the value of attribute pid.

• - (Object) state readonly

  Returns the value of attribute state.

Instance Method Summary (collapse)

• - (Object) init_blather

  Sets our Blather::Client event processor running.

• - (Bot) initialize(opts) constructor

  A new instance of Bot.

• - (Object) run

  Starts our Blather client running in a new process.

• - (Object) run_blather

  Runs the Blather client.

• - (Object) send(resp)

  Dispatch a Response via XMPP.

• - (Object) stop

  Shuts down the Blather client.

• - (Object) tell(jid, text)

Methods included from Evented

#bind, #emit, #on, #once, #unbind

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# File 'lib/safubot/xmpp.rb', line 159

def initialize(opts)
		@jid = opts[:jid]
		@password = opts[:password]
		@state = :stopped
end

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# File 'lib/safubot/xmpp.rb', line 75

def client
  @client
end

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# File 'lib/safubot/xmpp.rb', line 75

def jid
  @jid
end

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# File 'lib/safubot/xmpp.rb', line 75

def pid
  @pid
end

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# File 'lib/safubot/xmpp.rb', line 75

def state
  @state
end

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# File 'lib/safubot/xmpp.rb', line 78

def init_blather
		@client = Blather::Client.setup(@jid, @password)

		@client.register_handler(:ready) do
 Log.info "XMPP client is online at #{@client.jid.stripped} :D"
 emit(:ready)
		end
		
		@client.register_handler(:subscription, :request?) do |s|
 Log.info "Approving subscription request from: #{s.from}"
 @client.write s.approve!
		end

		@client.register_handler(:message, :chat?, :body) do |msg|
 unless msg.body.match(/^\?OTR:/)
emit(:request, Message.from(msg).make_request)
 end
		end

		@client.register_handler(:disconnected) do 
 sleep 1 # HACK (Mispy): Give the state a chance to change when we're stopped.
 if @state == :running
Log.warn("XMPP disconnected; attempting reconnection in 5 seconds.") 
sleep 5; @client.connect
 end
		end

		@client.register_handler(:error) do |e|
 Log.error "Unhandled Blather error: #{error_report(e)}"
		end


		@state = :running
end

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# File 'lib/safubot/xmpp.rb', line 129

def run
		@pid = Process.fork do
 Signal.trap("TERM") { stop }
 init_blather
 run_blather
		end
end

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# File 'lib/safubot/xmpp.rb', line 114

def run_blather
		begin
 EM::run { @client.run }
		rescue Exception => e
 unless e.is_a?(Interrupt) || e.is_a?(SignalException)
Log.error "XMPP client exited unexpectedly: #{error_report(e)}"
Log.error "Restarting XMPP client in 5 seconds."
sleep 5; init_blather; run_blather
 end
		else
 Log.info "XMPP client shutdown complete."
		end
end

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# File 'lib/safubot/xmpp.rb', line 155

def send(resp)
		tell(resp.request.source.from, resp.text)
end

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# File 'lib/safubot/xmpp.rb', line 138

def stop
		if @client
 @state = :stopped
 @client.close
		elsif @pid
 Process.kill("TERM", @pid)
		end
end

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# File 'lib/safubot/xmpp.rb', line 147

def tell(jid, text)
		msg = Blather::Stanza::Message.new
		msg.to = jid
		msg.body = text
		@client.write msg
end