mirror of
https://github.com/panda3d/panda3d.git
synced 2025-10-05 03:15:07 -04:00
398 lines
14 KiB
Python
398 lines
14 KiB
Python
"""ClientRepository module: contains the ClientRepository class"""
|
|
|
|
from PandaModules import *
|
|
from TaskManagerGlobal import *
|
|
from MsgTypes import *
|
|
from ShowBaseGlobal import *
|
|
import Task
|
|
import DirectNotifyGlobal
|
|
import ClientDistClass
|
|
import CRCache
|
|
import Datagram
|
|
# The repository must import all known types of Distributed Objects
|
|
#import DistributedObject
|
|
#import DistributedToon
|
|
import DirectObject
|
|
|
|
class ClientRepository(DirectObject.DirectObject):
|
|
notify = DirectNotifyGlobal.directNotify.newCategory("ClientRepository")
|
|
|
|
def __init__(self, dcFileName):
|
|
self.number2cdc={}
|
|
self.name2cdc={}
|
|
self.doId2do={}
|
|
self.doId2cdc={}
|
|
self.parseDcFile(dcFileName)
|
|
self.cache=CRCache.CRCache()
|
|
return None
|
|
|
|
def parseDcFile(self, dcFileName):
|
|
self.dcFile = DCFile()
|
|
fname = Filename(dcFileName)
|
|
readResult = self.dcFile.read(fname)
|
|
if not readResult:
|
|
self.notify.error("Could not read dcfile: " + dcFileName)
|
|
self.hashVal = self.dcFile.getHash()
|
|
return self.parseDcClasses(self.dcFile)
|
|
|
|
def parseDcClasses(self, dcFile):
|
|
numClasses = dcFile.getNumClasses()
|
|
for i in range(0, numClasses):
|
|
# Create a clientDistClass from the dcClass
|
|
dcClass = dcFile.getClass(i)
|
|
clientDistClass = ClientDistClass.ClientDistClass(dcClass)
|
|
# List the cdc in the number and name dictionaries
|
|
self.number2cdc[dcClass.getNumber()]=clientDistClass
|
|
self.name2cdc[dcClass.getName()]=clientDistClass
|
|
return None
|
|
|
|
def connect(self, serverName, serverPort):
|
|
self.qcm=QueuedConnectionManager()
|
|
gameServerTimeoutMs = base.config.GetInt("game-server-timeout-ms",
|
|
20000)
|
|
# A big old 20 second timeout.
|
|
self.tcpConn = self.qcm.openTCPClientConnection(
|
|
serverName, serverPort, gameServerTimeoutMs)
|
|
# Test for bad connection
|
|
if self.tcpConn == None:
|
|
return None
|
|
else:
|
|
self.tcpConn.setNoDelay(1)
|
|
self.qcr=QueuedConnectionReader(self.qcm, 0)
|
|
self.qcr.addConnection(self.tcpConn)
|
|
self.cw=ConnectionWriter(self.qcm, 0)
|
|
self.startReaderPollTask()
|
|
return self.tcpConn
|
|
|
|
def startRawReaderPollTask(self):
|
|
# Stop any tasks we are running now
|
|
self.stopRawReaderPollTask()
|
|
self.stopReaderPollTask()
|
|
task = Task.Task(self.rawReaderPollUntilEmpty)
|
|
# Start with empty string
|
|
task.currentRawString = ""
|
|
taskMgr.spawnTaskNamed(task, "rawReaderPollTask")
|
|
return None
|
|
|
|
def stopRawReaderPollTask(self):
|
|
taskMgr.removeTasksNamed("rawReaderPollTask")
|
|
return None
|
|
|
|
def rawReaderPollUntilEmpty(self, task):
|
|
while self.rawReaderPollOnce():
|
|
pass
|
|
return Task.cont
|
|
|
|
def rawReaderPollOnce(self):
|
|
self.notify.debug("rawReaderPollOnce")
|
|
self.ensureValidConnection()
|
|
availGetVal = self.qcr.dataAvailable()
|
|
if availGetVal:
|
|
datagram = NetDatagram()
|
|
readRetVal = self.qcr.getData(datagram)
|
|
if readRetVal:
|
|
str = datagram.getMessage()
|
|
self.notify.debug("rawReaderPollOnce: found str: " + str)
|
|
self.handleRawString(str)
|
|
else:
|
|
ClientRepository.notify.warning("getData returned false")
|
|
return availGetVal
|
|
|
|
def handleRawString(self, str):
|
|
# This method is meant to be pure virtual, and any classes that
|
|
# inherit from it need to make their own handleRawString method
|
|
pass
|
|
|
|
def startReaderPollTask(self):
|
|
# Stop any tasks we are running now
|
|
self.stopRawReaderPollTask()
|
|
self.stopReaderPollTask()
|
|
task = Task.Task(self.readerPollUntilEmpty)
|
|
taskMgr.spawnTaskNamed(task, "readerPollTask")
|
|
return None
|
|
|
|
def stopReaderPollTask(self):
|
|
taskMgr.removeTasksNamed("readerPollTask")
|
|
return None
|
|
|
|
def readerPollUntilEmpty(self, task):
|
|
while self.readerPollOnce():
|
|
pass
|
|
return Task.cont
|
|
|
|
def readerPollOnce(self):
|
|
self.ensureValidConnection()
|
|
availGetVal = self.qcr.dataAvailable()
|
|
if availGetVal:
|
|
# print "Client: Incoming message!"
|
|
datagram = NetDatagram()
|
|
readRetVal = self.qcr.getData(datagram)
|
|
if readRetVal:
|
|
self.handleDatagram(datagram)
|
|
else:
|
|
ClientRepository.notify.warning("getData returned false")
|
|
return availGetVal
|
|
|
|
def ensureValidConnection(self):
|
|
# Was the connection reset?
|
|
if self.qcm.resetConnectionAvailable():
|
|
resetConnectionPointer = PointerToConnection()
|
|
if self.qcm.getResetConnection(resetConnectionPointer):
|
|
self.loginFSM.request("noConnection")
|
|
return None
|
|
|
|
def handleDatagram(self, datagram):
|
|
# This class is meant to be pure virtual, and any classes that
|
|
# inherit from it need to make their own handleDatagram method
|
|
pass
|
|
|
|
def handleGenerateWithRequired(self, di):
|
|
# Get the class Id
|
|
classId = di.getArg(STUint16);
|
|
# Get the DO Id
|
|
doId = di.getArg(STUint32)
|
|
# Look up the cdc
|
|
cdc = self.number2cdc[classId]
|
|
# Create a new distributed object, and put it in the dictionary
|
|
distObj = self.generateWithRequiredFields(cdc, doId, di)
|
|
# Call "generate" for the dist obj
|
|
#distObj.generate()
|
|
return None
|
|
|
|
def handleGenerateWithRequiredOther(self, di):
|
|
# Get the class Id
|
|
classId = di.getArg(STUint16);
|
|
# Get the DO Id
|
|
doId = di.getArg(STUint32)
|
|
# Look up the cdc
|
|
cdc = self.number2cdc[classId]
|
|
# Create a new distributed object, and put it in the dictionary
|
|
distObj = self.generateWithRequiredOtherFields(cdc, doId, di)
|
|
# Call "generate" for the distObj
|
|
#distObj.generate()
|
|
return None
|
|
|
|
def generateWithRequiredFields(self, cdc, doId, di):
|
|
# Is it in our dictionary?
|
|
if self.doId2do.has_key(doId):
|
|
# If so, just update it.
|
|
distObj = self.doId2do[doId]
|
|
distObj.generate()
|
|
distObj.updateRequiredFields(cdc, di)
|
|
distObj.announceGenerate()
|
|
|
|
# Is it in the cache? If so, pull it out, put it in the dictionaries,
|
|
# and update it.
|
|
elif self.cache.contains(doId):
|
|
# If so, pull it out of the cache...
|
|
distObj = self.cache.retrieve(doId)
|
|
# put it in both dictionaries...
|
|
self.doId2do[doId] = distObj
|
|
self.doId2cdc[doId] = cdc
|
|
# and update it.
|
|
distObj.generate()
|
|
distObj.updateRequiredFields(cdc, di)
|
|
distObj.announceGenerate()
|
|
|
|
# If it is not in the dictionary or the cache, then...
|
|
else:
|
|
# Construct a new one
|
|
distObj = cdc.constructor(self)
|
|
# Assign it an Id
|
|
distObj.doId = doId
|
|
# Put the new do in both dictionaries
|
|
self.doId2do[doId] = distObj
|
|
self.doId2cdc[doId] = cdc
|
|
# Update the required fields
|
|
distObj.generateInit() # Only called when constructed
|
|
distObj.generate()
|
|
distObj.updateRequiredFields(cdc, di)
|
|
distObj.announceGenerate()
|
|
|
|
return distObj
|
|
|
|
def generateWithRequiredOtherFields(self, cdc, doId, di):
|
|
# Is it in our dictionary?
|
|
if self.doId2do.has_key(doId):
|
|
# If so, just update it.
|
|
distObj = self.doId2do[doId]
|
|
distObj.generate()
|
|
distObj.updateRequiredOtherFields(cdc, di)
|
|
distObj.announceGenerate()
|
|
|
|
# Is it in the cache? If so, pull it out, put it in the dictionaries,
|
|
# and update it.
|
|
elif self.cache.contains(doId):
|
|
# If so, pull it out of the cache...
|
|
distObj = self.cache.retrieve(doId)
|
|
# put it in both dictionaries...
|
|
self.doId2do[doId] = distObj
|
|
self.doId2cdc[doId] = cdc
|
|
# and update it.
|
|
distObj.generate()
|
|
distObj.updateRequiredOtherFields(cdc, di)
|
|
distObj.announceGenerate()
|
|
|
|
# If it is not in the dictionary or the cache, then...
|
|
else:
|
|
# Construct a new one
|
|
distObj = cdc.constructor(self)
|
|
# Assign it an Id
|
|
distObj.doId = doId
|
|
# Put the new do in both dictionaries
|
|
self.doId2do[doId] = distObj
|
|
self.doId2cdc[doId] = cdc
|
|
# Update the required fields
|
|
distObj.generateInit() # Only called when constructed
|
|
distObj.generate()
|
|
distObj.updateRequiredOtherFields(cdc, di)
|
|
distObj.announceGenerate()
|
|
|
|
return distObj
|
|
|
|
|
|
def handleDisable(self, di):
|
|
# Get the DO Id
|
|
doId = di.getArg(STUint32)
|
|
# disable it.
|
|
self.disableDoId(doId)
|
|
return None
|
|
|
|
def disableDoId(self, doId):
|
|
# Make sure the object exists
|
|
if self.doId2do.has_key(doId):
|
|
# Look up the object
|
|
distObj = self.doId2do[doId]
|
|
# remove the object from both dictionaries
|
|
del(self.doId2do[doId])
|
|
del(self.doId2cdc[doId])
|
|
assert(len(self.doId2do) == len(self.doId2cdc))
|
|
|
|
# Only cache the object if it is a "cacheable" type
|
|
# object; this way we don't clutter up the caches with
|
|
# trivial objects that don't benefit from caching.
|
|
if distObj.getCacheable():
|
|
self.cache.cache(distObj)
|
|
else:
|
|
distObj.deleteOrDelay()
|
|
else:
|
|
ClientRepository.notify.warning("Disable failed. DistObj " +
|
|
str(doId) +
|
|
" is not in dictionary")
|
|
return None
|
|
|
|
def handleDelete(self, di):
|
|
# Get the DO Id
|
|
doId = di.getArg(STUint32)
|
|
# If it is in the dictionaries, remove it.
|
|
if self.doId2do.has_key(doId):
|
|
obj = self.doId2do[doId]
|
|
# Remove it from the dictionaries
|
|
del(self.doId2do[doId])
|
|
del(self.doId2cdc[doId])
|
|
# Sanity check the dictionaries
|
|
assert(len(self.doId2do) == len(self.doId2cdc))
|
|
# Disable, announce, and delete the object itself...
|
|
# unless delayDelete is on...
|
|
obj.deleteOrDelay()
|
|
# If it is in the cache, remove it.
|
|
elif self.cache.contains(doId):
|
|
self.cache.delete(doId)
|
|
# Otherwise, ignore it
|
|
else:
|
|
ClientRepository.notify.warning(
|
|
"Asked to delete non-existent DistObj " + str(doId))
|
|
return None
|
|
|
|
def handleUpdateField(self, di):
|
|
# Get the DO Id
|
|
doId = di.getArg(STUint32)
|
|
#print("Updating " + str(doId))
|
|
# Find the DO
|
|
do = self.doId2do.get(doId)
|
|
cdc = self.doId2cdc.get(doId)
|
|
if (do != None and cdc != None):
|
|
# Let the cdc finish the job
|
|
cdc.updateField(do, di)
|
|
else:
|
|
ClientRepository.notify.warning(
|
|
"Asked to update non-existent DistObj " + str(doId))
|
|
return None
|
|
|
|
def handleUnexpectedMsgType(self, msgType, di):
|
|
currentLoginState = self.loginFSM.getCurrentState()
|
|
if currentLoginState:
|
|
currentLoginStateName = currentLoginState.getName()
|
|
else:
|
|
currentLoginStateName = "None"
|
|
currentGameState = self.gameFSM.getCurrentState()
|
|
if currentGameState:
|
|
currentGameStateName = currentGameState.getName()
|
|
else:
|
|
currentGameStateName = "None"
|
|
ClientRepository.notify.warning(
|
|
"Ignoring unexpected message type: " +
|
|
str(msgType) +
|
|
" login state: " +
|
|
currentLoginStateName +
|
|
" game state: " +
|
|
currentGameStateName)
|
|
return None
|
|
|
|
def sendSetShardMsg(self, shardId):
|
|
datagram = Datagram.Datagram()
|
|
# Add message type
|
|
datagram.addUint16(CLIENT_SET_SHARD)
|
|
# Add shard id
|
|
datagram.addUint32(shardId)
|
|
# send the message
|
|
self.send(datagram)
|
|
return None
|
|
|
|
def sendSetZoneMsg(self, zoneId):
|
|
datagram = Datagram.Datagram()
|
|
# Add message type
|
|
datagram.addUint16(CLIENT_SET_ZONE)
|
|
# Add zone id
|
|
datagram.addUint16(zoneId)
|
|
|
|
# send the message
|
|
self.send(datagram)
|
|
return None
|
|
|
|
def sendUpdate(self, do, fieldName, args, sendToId = None):
|
|
# Get the DO id
|
|
doId = do.doId
|
|
# Get the cdc
|
|
assert(self.doId2cdc.has_key(doId))
|
|
cdc = self.doId2cdc[doId]
|
|
# Let the cdc finish the job
|
|
cdc.sendUpdate(self, do, fieldName, args, sendToId)
|
|
|
|
def send(self, datagram):
|
|
#if self.notify.getDebug():
|
|
# print "ClientRepository sending datagram:"
|
|
# datagram.dumpHex(ostream)
|
|
|
|
self.cw.send(datagram, self.tcpConn)
|
|
return None
|
|
|
|
def replaceMethod(self, oldMethod, newFunction):
|
|
foundIt = 0
|
|
import new
|
|
# Iterate over the ClientDistClasses
|
|
for cdc in self.number2cdc.values():
|
|
# Iterate over the ClientDistUpdates
|
|
for cdu in cdc.allCDU:
|
|
method = cdu.func
|
|
# See if this is a match
|
|
if (method and (method.im_func == oldMethod)):
|
|
# Create a new unbound method out of this new function
|
|
newMethod = new.instancemethod(newFunction,
|
|
method.im_self,
|
|
method.im_class)
|
|
# Set the new method on the cdu
|
|
cdu.func = newMethod
|
|
foundIt = 1
|
|
return foundIt
|