def startService(self):
super(Poller, self).startService()
queue = defer.DeferredQueue()
# Init AMQP connection
kwargs = {
'config': self.config,
'queue': queue,
'delegate': TwistedDelegate(),
'vhost': self.config.get('amqp', 'vhost'),
'spec': get_spec(),
}
self.publisher_factory = PublisherFactory(**kwargs)
reactor.connectTCP(
self.config.get('amqp', 'host'),
int(self.config.get('amqp', 'port')),
self.publisher_factory
)
# Init MySQL connection
kwargs = {
'host': self.config.get('database', 'host'),
'port': int(self.config.get('database', 'port')),
'user': self.config.get('database', 'user'),
'passwd': self.config.get('database', 'password'),
'db': self.config.get('database', 'temp'),
'use_unicode': True
}
self.sql_connection = yield threads.deferToThread(db.connect, **kwargs)
def poll(cursor, query, rate):
cursor.execute(query, (rate,))
for row in cursor.fetchall():
row = json.dumps(row)
threads.blockingCallFromThread(reactor, queue.put, row)
self.polling_call = task.LoopingCall(
threads.deferToThread,
poll,
self.sql_connection.cursor(),
"SELECT * FROM post_updates ORDER BY timestamp ASC LIMIT 0,%d",
int(self.config.get('polling', 'rate'))
)
self.polling_call.start(int(self.config.get('polling', 'interval')))
def startService(self):
super(Controller, self).startService()
# Create AMQP connection
spec = get_spec()
delegate = txamqp.client.TwistedDelegate()
vhost = "/"
host = "localhost"
port = 5672
exchange = "bert"
routing_key = "test"
conn = yield ClientCreator(
reactor, txamqp.protocol.AMQClient, delegate=delegate, vhost=vhost, spec=spec
).connectTCP(host, port)
yield conn.authenticate("guest", "guest")
channel = yield conn.channel(1)
yield channel.channel_open()
yield channel.exchange_declare(exchange=exchange, type="fanout", durable=False, auto_delete=False)
queue = yield channel.queue_declare(queue="cast", durable=False, exclusive=True, auto_delete=True)
yield channel.queue_bind(queue=queue.queue, exchange="bert")
tag = yield channel.basic_consume(consumer_tag="functions", queue=queue.queue, no_ack=True)
queue = yield conn.queue("functions")
print "\n" * 5
while True:
try:
msg = yield queue.get()
except txamqp.queue.Closed:
break
# print dir(msg)
# print msg.fields
# print msg.method
print repr(msg.content)
print msg.content.weight()
print "\n" * 5
