def __init__(self):
self.cManager = QueuedConnectionManager()
self.cListener = QueuedConnectionListener(self.cManager, 0)
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
self.rqTable = ServerRequestTable()
self.rsTable = ServerResponseTable()
self.connection = None
def __init__(self, worldMgr, connectionObj):
self.connectionObj = connectionObj
if connectionObj.cManager != None:
self.cManager = connectionObj.cManager
else:
self.cManager = QueuedConnectionManager()
if connectionObj.cListener != None:
self.cListener = connectionObj.cListener
else:
self.cListener = QueuedConnectionManager()
if connectionObj.cReader != None:
self.cReader = connectionObj.cReader
else:
self.cReader = QueuedConnectionManager()
if connectionObj.cWriter != None:
self.cWriter = connectionObj.cWriter
else:
self.cWriter = QueuedConnectionManager()
if connectionObj.connection != None:
self.connection = connectionObj.connection
else:
self.connection = self.cManager.openTCPClientConnection(Constants.SERVER_IP,
Constants.SERVER_PORT,
1000)
if self.connection:
self.cReader.addConnection(self.connection)
self.rqTable = ServerRequestTable()
self.rsTable = ServerResponseTable()
self.worldMgr = worldMgr
self.world = worldMgr.gameWorld
def __init__(self):
self.cManager = QueuedConnectionManager()
self.cListener = QueuedConnectionListener(self.cManager, 0)
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
self.rqTable = ServerRequestTable()
self.rsTable = ServerResponseTable()
self.connection = None
class ConnectionManager:
def __init__(self, main):
self.main = main
self.cManager = QueuedConnectionManager()
self.cListener = QueuedConnectionListener(self.cManager, 0)
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
self.rqTable = ServerRequestTable()
self.rsTable = ServerResponseTable()
self.connection = None
def startConnection(self):
"""Create a connection with the remote host.
If a connection can be created, create a task with a sort value of -39
to read packets from the socket.
"""
if self.connection == None:
self.connection = self.cManager.openTCPClientConnection(Constants.SERVER_IP, Constants.SERVER_PORT, 1000)
if self.connection:
self.cReader.addConnection(self.connection)
return True
return False
def initTasks(self):
"""Initialize tasks to check on connection and send heartbeat.
This must be done here because in `Main` we do not initialize Panda3D
until after a connection is started. Thus, `taskMgr` is not defined
when `startConnection()` is called. We rely on the callee to also run
`initTasks()` after a successful connection is created.
"""
if self.connection != None:
taskMgr.add(self.updateRoutine, "updateRoutine-Connection")
taskMgr.doMethodLater(5, self.checkConnection, "checkConnection")
taskMgr.doMethodLater(1.0 / Constants.TICKRATE, self.sendHeartbeat, "sendHeartbeat")
def closeConnection(self):
"""Close the current connection with the remote host.
If an existing connection is found, remove both the Main task, which
is responsible for the heartbeat, and the Connection task, which is
responsible for reading packets from the socket, then properly close
the existing connection.
"""
if self.connection != None:
taskMgr.remove("updateRoutine-Connection")
taskMgr.remove("checkConnection")
self.cManager.closeConnection(self.connection)
self.connection = None
def sendRequest(self, requestCode, args={}):
"""Prepare a request packet to be sent.
If the following request code exists, create an instance of this
specific request using any extra arguments, then properly send it to
the remote host.
"""
if self.connection != None:
request = self.rqTable.get(requestCode)
if request != None:
request.set(self.cWriter, self.connection)
request.send(args)
def handleResponse(self, responseCode, data):
"""Prepare a response packet to be processed.
If the following response code exists, create an instance of this
specific response using its data to be executed.
"""
response = self.rsTable.get(responseCode)
if response != None:
response.set(self.main)
response.execute(data)
def checkConnection(self, task):
if not self.cReader.isConnectionOk(self.connection):
self.closeConnection()
self.showDisconnected(0)
return task.done
return task.again
def updateRoutine(self, task):
"""A once-per-frame task used to read packets from the socket."""
while self.cReader.dataAvailable():
# Create a datagram to store all necessary data.
datagram = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram):
# Prepare the datagram to be iterated.
data = PyDatagramIterator(datagram)
# Retrieve a "short" that contains the response code.
responseCode = data.getUint16()
# Pass into another method to execute the response.
if responseCode != Constants.MSG_NONE:
self.handleResponse(responseCode, data)
return task.cont
def sendHeartbeat(self, task):
if self.connection != None:
self.sendRequest(Constants.C_HEARTBEAT)
return task.again
class ConnectionManager:
def __init__(self, main):
#self.world = world
self.cManager = QueuedConnectionManager()
self.cListener = QueuedConnectionListener(self.cManager, 0)
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
self.main = main
self.rqTable = ServerRequestTable()
self.rsTable = ServerResponseTable()
self.connection = None
def startConnection(self):
"""Create a connection with the remote host.
If a connection can be created, create a task with a sort value of -39
to read packets from the socket.
"""
try:
if self.connection == None:
self.connection = self.cManager.openTCPClientConnection(Constants.SERVER_IP,
Constants.SERVER_PORT,
1000)
if self.connection:
self.cReader.addConnection(self.connection)
taskMgr.add(self.updateRoutine, 'updateRoutine-Connection', -39)
taskMgr.doMethodLater(5, self.checkConnection, 'checkConnection')
return True
except:
pass
return False
def closeConnection(self):
"""Close the current connection with the remote host.
If an existing connection is found, remove both the Main task, which
is responsible for the heartbeat, and the Connection task, which is
responsible for reading packets from the socket, then properly close
the existing connection.
"""
if self.connection != None:
taskMgr.remove('updateRoutine-Main')
taskMgr.remove('updateRoutine-Connection')
taskMgr.remove('checkConnection')
self.cManager.closeConnection(self.connection)
self.connection = None
def sendRequest(self, requestCode, args = {}):
"""Prepare a request packet to be sent.
If the following request code exists, create an instance of this
specific request using any extra arguments, then properly send it to
the remote host.
"""
if self.connection != None:
request = self.rqTable.get(requestCode)
if request != None:
request.set(self.cWriter, self.connection)
#print('requestCode:'+str(requestCode))
#print('args:'+str(args))
request.send(args)
def handleResponse(self, responseCode, data):
"""Prepare a response packet to be processed.
If the following response code exists, create an instance of this
specific response using its data to be executed.
"""
response = self.rsTable.get(responseCode)
if response != None:
response.set(self.main)
response.execute(data)
def checkConnection(self, task):
if not self.cReader.isConnectionOk(self.connection):
self.closeConnection()
#self.showDisconnected(0)
return task.done
return task.again
def updateRoutine(self, task):
"""A once-per-frame task used to read packets from the socket."""
while self.cReader.dataAvailable():
# Create a datagram to store all necessary data.
datagram = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram):
# Prepare the datagram to be iterated.
data = PyDatagramIterator(datagram)
# Retrieve a "short" that contains the response code.
responseCode = data.getUint16()
# Pass into another method to execute the response.
if responseCode != Constants.MSG_NONE:
self.handleResponse(responseCode, data)
return task.cont
class ConnectionManager:
def __init__(self):
self.cManager = QueuedConnectionManager()
self.cListener = QueuedConnectionListener(self.cManager, 0)
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
self.rqTable = ServerRequestTable()
self.rsTable = ServerResponseTable()
self.connection = None
def startConnection(self):
"""Create a connection with the remote host.
If a connection can be created, create a task with a sort value of -39
to read packets from the socket.
"""
try:
if self.connection == None:
self.connection = self.cManager.openTCPClientConnection(
Constants.SERVER_IP, Constants.SERVER_PORT, 1000)
if self.connection:
self.cReader.addConnection(self.connection)
taskMgr.add(self.updateRoutine, 'updateRoutine-Connection',
-39)
taskMgr.doMethodLater(5, self.checkConnection,
'checkConnection')
return True
except:
pass
return False
def closeConnection(self):
"""Close the current connection with the remote host.
If an existing connection is found, remove both the Main2 task, which
is responsible for the heartbeat, and the Connection task, which is
responsible for reading packets from the socket, then properly close
the existing connection.
"""
if self.connection != None:
taskMgr.remove('updateRoutine-Main2')
taskMgr.remove('updateRoutine-Connection')
taskMgr.remove('checkConnection')
self.cManager.closeConnection(self.connection)
self.connection = None
def sendRequest(self, requestCode, args={}):
"""Prepare a request packet to be sent.
If the following request code exists, create an instance of this
specific request using any extra arguments, then properly send it to
the remote host.
"""
if self.connection != None:
request = self.rqTable.get(requestCode)
if request != None:
request.set(self.cWriter, self.connection)
request.send(args)
def handleResponse(self, responseCode, data):
"""Prepare a response packet to be processed.
If the following response code exists, create an instance of this
specific response using its data to be executed.
"""
response = self.rsTable.get(responseCode)
if response != None:
#response.set(main)
response.execute(data)
def checkConnection(self, task):
if not self.cReader.isConnectionOk(self.connection):
self.closeConnection()
self.showDisconnected(0)
return task.done
return task.again
def updateRoutine(self, task):
"""A once-per-frame task used to read packets from the socket."""
while self.cReader.dataAvailable():
# Create a datagram to store all necessary data.
datagram = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram):
# Prepare the datagram to be iterated.
data = PyDatagramIterator(datagram)
# Retrieve a "short" that contains the response code.
responseCode = data.getUint16()
# Pass into another method to execute the response.
if responseCode != Constants.MSG_NONE:
self.handleResponse(responseCode, data)
return task.cont
