class CygnusCloudProtocolFactory(Factory):
"""
CygnusCloud protocol factory. These objects are used to create protocol instances
within the Twisted Framework, and store all the data shared by multiple
protocol instances.
"""
def __init__(self, transferQueue):
"""
Initializes the protocol factory
Args:
transferQueue: the incoming data transferQueue to use by all protocol instances
"""
self.protocol = CygnusCloudProtocol
self._queue = transferQueue
self.__protocolPool = GenericThreadSafeDictionary()
def buildProtocol(self, addr):
"""
Builds a protocol, stores a pointer to it and finally returns it.
This method is called inside Twisted code.
"""
instance = CygnusCloudProtocol(self)
self.__protocolPool[(addr.host, addr.port)] = instance
return instance
def removeProtocol(self, protocol):
"""
Removes a protocol from the protocol pool
"""
self.__protocolPool.removeElement(protocol)
def isDisconnected(self):
"""
Determines if there are active connections or not.
"""
return self.__protocolPool.isEmpty()
def sendPacket(self, packet, ip=None, port=None):
"""
Returns the last built instance
Args:
None
Returns:
the last built protocol instance
"""
if ip == None:
for key in self.__protocolPool.keys():
self.__protocolPool[key].sendPacket(packet)
else:
self.__protocolPool[(ip, port)].sendPacket(packet)
def disconnect(self):
"""
Asks Twisted to close the connection.
Args:
None
Returns:
Nothing
"""
for key in self.__protocolPool.keys():
self.__protocolPool[key].disconnect()
while not self.__protocolPool.isEmpty():
sleep(0.1)
def onPacketReceived(self, p, peerAddr, peerPort):
"""
Returns the incoming packages queue
Args:
None
Returns:
The incoming packages queue
"""
p = _Packet._deserialize(p)
p._setSenderData(peerAddr, peerPort)
self._queue.queue(p.getPriority(), p)
class CygnusCloudProtocolFactory(Factory):
"""
CygnusCloud protocol factory. These objects are used to create protocol instances
within the Twisted Framework, and store all the data shared by multiple
protocol instances.
"""
def __init__(self, transferQueue):
"""
Initializes the protocol factory
Args:
transferQueue: the incoming data transferQueue to use by all protocol instances
"""
self.protocol = CygnusCloudProtocol
self._queue = transferQueue
self.__protocolPool = GenericThreadSafeDictionary()
def buildProtocol(self, addr):
"""
Builds a protocol, stores a pointer to it and finally returns it.
This method is called inside Twisted code.
"""
instance = CygnusCloudProtocol(self)
self.__protocolPool[(addr.host, addr.port)] = instance
return instance
def removeProtocol(self, protocol):
"""
Removes a protocol from the protocol pool
"""
self.__protocolPool.removeElement(protocol)
def isDisconnected(self):
"""
Determines if there are active connections or not.
"""
return self.__protocolPool.isEmpty()
def sendPacket(self, packet, ip=None, port=None):
"""
Returns the last built instance
Args:
None
Returns:
the last built protocol instance
"""
if (ip == None) :
for key in self.__protocolPool.keys():
self.__protocolPool[key].sendPacket(packet)
else :
self.__protocolPool[(ip, port)].sendPacket(packet)
def disconnect(self):
"""
Asks Twisted to close the connection.
Args:
None
Returns:
Nothing
"""
for key in self.__protocolPool.keys() :
self.__protocolPool[key].disconnect()
while (not self.__protocolPool.isEmpty()) :
sleep(0.1)
def onPacketReceived(self, p, peerAddr, peerPort):
"""
Returns the incoming packages queue
Args:
None
Returns:
The incoming packages queue
"""
p = _Packet._deserialize(p)
p._setSenderData(peerAddr, peerPort)
self._queue.queue(p.getPriority(), p)
