def _connect(self):
assert self.active_connections == 0
self.active_connections = 1
qs = urllib.parse.urlencode({
'cacertfile':
self.config['sslopts']['ca_certs'],
'certfile':
self.config['sslopts']['certfile'],
'keyfile':
self.config['sslopts']['keyfile'],
'verify':
'ignore',
'heartbeat':
self.config['heartbeat'],
'connection_timeout':
self.config['socket_timeout'],
})
uri = '{scheme}://{username}:{password}@{host}:{port}/{virtual_host}?{query_str}'.format(
scheme='amqps',
username=self.config['userid'],
password=self.config['password'],
host=self.config['host'].split(":")[0],
port=self.config['host'].split(":")[1],
virtual_host=self.config['virtual_host'],
query_str=qs,
)
self.log.info("Initializing AMQP connection.")
self.connection = rabbitpy.Connection(uri)
# self.connection.connect()
self.log.info("Connected. Creating channel.")
# Channel and exchange setup
self.channel = rabbitpy.AMQP(
self.connection.channel(blocking_read=True))
self.log.info("Setting QoS.")
self.log.info("Connection established. Setting up consumer.")
if self.config['flush_queues']:
self.log.info("Flushing items in queue.")
self.channel.queue_purge(self.config['task_queue_name'])
self.channel.queue_purge(self.config['response_queue_name'])
self.log.info("Configuring queues.")
self._setupQueues()
if self.config['master']:
self.in_queue = self.config['response_queue_name']
else:
self.in_queue = self.config['task_queue_name']
qchan = self.connection.channel()
qchan.prefetch_count(self.config['prefetch'])
self.in_q = rabbitpy.Queue(qchan, self.in_queue)
def creat_a_channel(self) -> rabbitpy.AMQP:
return rabbitpy.AMQP(self.connection.channel()) # 使用适配器，使rabbitpy包的公有方法几乎接近pika包的channel的方法。
def __init__(self, conn_string: str):
self.__amqp = rabbitpy.AMQP(rabbitpy.Connection(conn_string).channel())
def _connect(self):
assert self.active_connections.value == 0
self.active_connections.value = 1
self.connected.value = 1
self.log.info("Initializing AMQP connection.")
# Connect to server
# self.connection = amqp.connection.Connection(host = self.config['host'],
# userid = self.config['userid'],
# password = self.config['password'],
# virtual_host = self.config['virtual_host'],
# heartbeat = self.config['heartbeat'],
# ssl = self.config['sslopts'],
# connect_timeout = self.config['socket_timeout'],
# read_timeout = self.config['socket_timeout'],
# write_timeout = self.config['socket_timeout'])
# "cert_reqs" : ssl.CERT_REQUIRED,
# "ca_certs" : caCert,
# "keyfile" : keyf,
# "certfile" : cert,
qs = urllib.parse.urlencode({
'cacertfile' :self.config['sslopts']['ca_certs'],
'certfile' :self.config['sslopts']['certfile'],
'keyfile' :self.config['sslopts']['keyfile'],
'verify' : 'ignore',
'heartbeat' : self.config['heartbeat'],
'connection_timeout' : self.config['socket_timeout'],
})
uri = '{scheme}://{username}:{password}@{host}:{port}/{virtual_host}?{query_str}'.format(
scheme = 'amqps',
username = self.config['userid'],
password = self.config['password'],
host = self.config['host'].split(":")[0],
port = self.config['host'].split(":")[1],
virtual_host = self.config['virtual_host'],
query_str = qs,
)
self.connection = rabbitpy.Connection(uri)
# self.connection.connect()
# Channel and exchange setup
self.channel = rabbitpy.AMQP(self.connection.channel(blocking_read = True))
self.channel.basic_qos(
prefetch_size = 0,
prefetch_count = self.config['prefetch'],
global_flag = False
)
self.log.info("Connection established. Setting up consumer.")
if self.config['flush_queues']:
self.log.info("Flushing items in queue.")
self.channel.queue_purge(self.config['task_queue_name'])
self.channel.queue_purge(self.config['response_queue_name'])
self.log.info("Configuring queues.")
self._setupQueues()
self.no_ack = not self.config['ack_rx']