class GraysonAMQP (object):
def __init__(self, amqpSettings):
logger.debug ("amqpsettings: %s", amqpSettings)
self.amqpSettings = amqpSettings
def connect (self, hostname="127.0.0.1"):
self.channel = None
logger.info ("grayson:amqp:connect host: %s, port: %s",
self.amqpSettings.hostname,
self.amqpSettings.port)
connectionParameters = ConnectionParameters (host = self.amqpSettings.hostname,
virtual_host = self.amqpSettings.vhost,
port = self.amqpSettings.port)
self.connection = AsyncoreConnection (connectionParameters, self.on_connected)
def setSettings (self, settings):
self.amqpSettings = settings
def setQueueDeclaredCallback (self, queueDeclaredCallback):
self.queueDeclaredCallback = queueDeclaredCallback
def ioloop (self):
self.connect ()
try:
self.connection.ioloop.start ()
except KeyboardInterrupt:
self.connection.close ()
self.connection.ioloop.start ()
def on_connected (self, connection):
connection.channel (self.on_channel_open)
def on_channel_open (self, channel_):
self.channel = channel_
logger.info ("grayson:amqp:open-channel: (%s)", self.amqpSettings.queue.name)
try:
self.channel.queue_declare (queue = self.amqpSettings.queue.name,
passive = False,
durable = False,
exclusive = False,
auto_delete = False,
callback = self.on_queue_declared)
except:
traceback.print_exc ()
def on_queue_declared (self, frame):
try:
logger.info ("grayson:amqp:queue-declared: %s", self.amqpSettings.queue)
self.queueDeclaredCallback (frame)
except:
trackeback.print_exc ()
finally:
pass
def connect (self, hostname="127.0.0.1"):
self.channel = None
logger.info ("grayson:amqp:connect host: %s, port: %s",
self.amqpSettings.hostname,
self.amqpSettings.port)
connectionParameters = ConnectionParameters (host = self.amqpSettings.hostname,
virtual_host = self.amqpSettings.vhost,
port = self.amqpSettings.port)
self.connection = AsyncoreConnection (connectionParameters, self.on_connected)
