Module: Brown::ModuleMethods

Includes:
Logger
Included in:
Brown
Defined in:
lib/brown/module_methods.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Logger

#backtrace, #logger

Instance Attribute Details

#connection ⇒ Object (readonly)

Returns the value of attribute connection.



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# File 'lib/brown/module_methods.rb', line 14

def connection
  @connection
end

#log_level ⇒ Object (readonly)

Returns the value of attribute log_level.



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# File 'lib/brown/module_methods.rb', line 14

def log_level
  @log_level
end

Instance Method Details

#compile_acls ⇒ Object 



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# File 'lib/brown/module_methods.rb', line 16

def compile_acls
	@compiler = ACLCompiler.new
	@compiler.compile
end

#config ⇒ Object 



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# File 'lib/brown/module_methods.rb', line 21

def config
	Hash.new { |h,k| h[k] = Hash.new { |h,k| h[k] = "" } }
end

#running? ⇒ Boolean 



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# File 'lib/brown/module_methods.rb', line 25

def running?
	EM.reactor_running?
end

#shutdown_hook(&block) ⇒ Object 



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# File 'lib/brown/module_methods.rb', line 74

def shutdown_hook(&block)
	EM.add_shutdown_hook(&block)
end

#start(opts = {}) ⇒ Object 



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# File 'lib/brown/module_methods.rb', line 29

def start(opts={})
	@log_level = opts[:log_level] || "info"

	# Why these are not the defaults, I will never know
	EM.epoll if EM.epoll?
	EM.kqueue if EM.kqueue?

	connection_settings = {
	  :on_tcp_connection_failure          => method(:tcp_connection_failure_handler),
	  :on_possible_authentication_failure => method(:authentication_failure_handler)
	}

	AMQP.start(opts[:server_url], connection_settings) do |connection|
		EM.threadpool_size = 1
		@connection = connection

		connection.on_connection do
			logger.info { "Connected to: AMQP Broker: #{broker_identifier(connection)}" }
		end

		connection.on_tcp_connection_loss do |connection, settings|
			logger.info { "Reconnecting to AMQP Broker: #{broker_identifier(connection)} in 5s" }
			connection.reconnect(false, 5)
		end

		connection.after_recovery do |connection|
			logger.info { "Connection with AMQP Broker restored: #{broker_identifier(connection)}" }
		end

		connection.on_error do |connection, connection_close|
			# If the broker is gracefully shutdown we get a 320. Log a nice message.
			if connection_close.reply_code == 320
				logger.info { "AMQP Broker shutdown: #{broker_identifier(connection)}" }
			else
				logger.warn { connection_close.reply_text }
			end
		end

		# This will be the last thing run by the reactor.
		shutdown_hook { logger.debug { "Reactor Stopped" } }

		yield if block_given?
	end
end

#stop(immediately = false, &blk) ⇒ Object 



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# File 'lib/brown/module_methods.rb', line 78

def stop(immediately=false, &blk)
	shutdown_hook(&blk) if blk

	if running?
		if immediately
			EM.next_tick do
				@connection.close { EM.stop_event_loop }
			end
		else
			EM.add_timer(1) do
				@connection.close { EM.stop_event_loop }
			end
		end
	else
		logger.fatal { "Eventmachine is not running, exiting with prejudice" }
		exit!
	end
end