def test_close_failed(self):
url = 'test-url'
c = Connection(url)
impl = Mock()
impl.close.side_effect = ValueError
c._impl = impl
c.close()
def test_close(self):
url = 'test-url'
c = Connection(url)
impl = Mock()
c._impl = impl
c.close()
impl.close.assert_called_once_with()
self.assertEqual(c._impl, None)
class Endpoint(Messenger):
def __init__(self, url):
super(Endpoint, self).__init__(url)
self.connection = Connection(url)
self.channel = None
def open(self):
self.connection.open()
self.channel = self.connection.channel()
def repair(self):
self.connection.close()
self.connection.open()
self.channel = self.connection.channel()
def close(self):
try:
self.channel.close()
except Exception:
pass
class Endpoint(Messenger):
def __init__(self, url):
super(Endpoint, self).__init__(url)
self.connection = Connection(url)
self.channel = None
def open(self):
self.connection.open()
self.channel = self.connection.channel()
def repair(self):
self.connection.close()
self.connection.open()
self.channel = self.connection.channel()
def close(self):
try:
self.channel.close()
except Exception:
pass
class Sender(BaseSender):
"""
An AMQP message sender.
"""
def __init__(self, url):
"""
:param url: The broker url.
:type url: str
"""
BaseSender.__init__(self, url)
self.connection = Connection(url)
self.channel = None
def is_open(self):
"""
Get whether the sender has been opened.
:return: True if open.
:rtype bool
"""
return self.channel is not None
@reliable
def open(self):
"""
Open the reader.
"""
if self.is_open():
# already opened
return
self.connection.open()
self.channel = self.connection.channel()
def repair(self):
"""
Repair the reader.
"""
self.close()
self.connection.close()
self.connection.open()
self.channel = self.connection.channel()
def close(self):
"""
Close the reader.
"""
channel = self.channel
self.channel = None
try:
channel.close()
except Exception:
pass
@reliable
def send(self, address, content, ttl=None):
"""
Send a message.
:param address: An AMQP address.
:type address: str
:param content: The message content
:type content: buf
:param ttl: Time to Live (seconds)
:type ttl: float
"""
parts = address.split('/')
if len(parts) > 1:
exchange = parts[0]
else:
exchange = ''
key = parts[-1]
message = build_message(content, ttl, self.durable)
self.channel.basic_publish(message,
mandatory=True,
exchange=exchange,
routing_key=key)
log.debug('sent (%s)', address)
class Reader(BaseReader):
"""
An AMQP message reader.
"""
def __init__(self, node, url):
"""
:param node: The AMQP node to read.
:type node: gofer.messaging.adapter.model.Node
:param url: The broker url.
:type url: str
:see: gofer.messaging.adapter.url.URL
"""
BaseReader.__init__(self, node, url)
self.connection = Connection(url)
self.channel = None
self.receiver = None
def is_open(self):
"""
Get whether the messenger has been opened.
:return: True if open.
:rtype bool
"""
return self.receiver is not None
@reliable
def open(self):
"""
Open the reader.
:raise: NotFound
"""
if self.is_open():
# already opened
return
self.connection.open()
self.channel = self.connection.channel()
receiver = Receiver(self)
self.receiver = receiver.open()
def repair(self):
"""
Repair the reader.
:raise: NotFound
"""
self.close()
self.connection.close()
self.connection.open()
self.channel = self.connection.channel()
receiver = Receiver(self)
self.receiver = receiver.open()
def close(self):
"""
Close the reader.
"""
receiver = self.receiver
self.receiver = None
channel = self.channel
self.channel = None
try:
receiver.close()
except Exception:
pass
try:
channel.close()
except Exception:
pass
@reliable
def get(self, timeout=None):
"""
Get the next message from the queue.
:param timeout: The read timeout in seconds.
:type timeout: int
:return: The next message or None.
:rtype: Message
"""
try:
impl = self.receiver.fetch(timeout or NO_DELAY)
return Message(self, impl, impl.body)
except Empty:
pass
@reliable
def ack(self, message):
"""
Ack the specified message.
:param message: The message to acknowledge.
:type message: amqp.Message
"""
self.channel.basic_ack(message.delivery_info[DELIVERY_TAG])
@reliable
def reject(self, message, requeue=True):
"""
Reject the specified message.
:param message: The message to reject.
:type message: amqp.Message
:param requeue: Requeue the message or discard it.
:type requeue: bool
"""
self.channel.basic_reject(message.delivery_info[DELIVERY_TAG], requeue)
class Sender(BaseSender):
"""
An AMQP message sender.
"""
def __init__(self, url):
"""
:param url: The broker url.
:type url: str
"""
BaseSender.__init__(self, url)
self.connection = Connection(url)
self.channel = None
def is_open(self):
"""
Get whether the sender has been opened.
:return: True if open.
:rtype bool
"""
return self.channel is not None
@reliable
def open(self):
"""
Open the reader.
"""
if self.is_open():
# already opened
return
self.connection.open()
self.channel = self.connection.channel()
def repair(self):
"""
Repair the reader.
"""
self.close()
self.connection.close()
self.connection.open()
self.channel = self.connection.channel()
def close(self):
"""
Close the reader.
"""
channel = self.channel
self.channel = None
try:
channel.close()
except Exception:
pass
@reliable
def send(self, address, content, ttl=None):
"""
Send a message.
:param address: An AMQP address.
:type address: str
:param content: The message content
:type content: buf
:param ttl: Time to Live (seconds)
:type ttl: float
"""
parts = address.split('/')
if len(parts) > 1:
exchange = parts[0]
else:
exchange = ''
key = parts[-1]
message = build_message(content, ttl, self.durable)
self.channel.basic_publish(message, mandatory=True, exchange=exchange, routing_key=key)
log.debug('sent (%s)', address)
class Reader(BaseReader):
"""
An AMQP message reader.
"""
def __init__(self, node, url):
"""
:param node: The AMQP node to read.
:type node: gofer.messaging.adapter.model.Node
:param url: The broker url.
:type url: str
:see: gofer.messaging.adapter.url.URL
"""
BaseReader.__init__(self, node, url)
self.connection = Connection(url)
self.channel = None
self.receiver = None
def is_open(self):
"""
Get whether the messenger has been opened.
:return: True if open.
:rtype bool
"""
return self.receiver is not None
@reliable
def open(self):
"""
Open the reader.
:raise: NotFound
"""
if self.is_open():
# already opened
return
self.connection.open()
self.channel = self.connection.channel()
receiver = Receiver(self)
self.receiver = receiver.open()
def repair(self):
"""
Repair the reader.
:raise: NotFound
"""
self.close()
self.connection.close()
self.connection.open()
self.channel = self.connection.channel()
receiver = Receiver(self)
self.receiver = receiver.open()
def close(self):
"""
Close the reader.
"""
receiver = self.receiver
self.receiver = None
channel = self.channel
self.channel = None
try:
receiver.close()
except Exception:
pass
try:
channel.close()
except Exception:
pass
@reliable
def get(self, timeout=None):
"""
Get the next message from the queue.
:param timeout: The read timeout in seconds.
:type timeout: int
:return: The next message or None.
:rtype: Message
"""
try:
impl = self.receiver.fetch(timeout or NO_DELAY)
return Message(self, impl, impl.body)
except Empty:
pass
@reliable
def ack(self, message):
"""
Ack the specified message.
:param message: The message to acknowledge.
:type message: amqp.Message
"""
self.channel.basic_ack(message.delivery_info[DELIVERY_TAG])
@reliable
def reject(self, message, requeue=True):
"""
Reject the specified message.
:param message: The message to reject.
:type message: amqp.Message
:param requeue: Requeue the message or discard it.
:type requeue: bool
"""
self.channel.basic_reject(message.delivery_info[DELIVERY_TAG], requeue)