mirror of
https://github.com/Sneed-Group/Poodletooth-iLand
synced 2024-12-26 05:02:31 -06:00
619 lines
No EOL
22 KiB
Python
Executable file
619 lines
No EOL
22 KiB
Python
Executable file
from pandac.PandaModules import *
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from MsgTypes import *
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from direct.showbase import ShowBase # __builtin__.config
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from direct.task.TaskManagerGlobal import * # taskMgr
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from direct.directnotify import DirectNotifyGlobal
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from ConnectionRepository import ConnectionRepository
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from PyDatagram import PyDatagram
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from PyDatagramIterator import PyDatagramIterator
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from AstronDatabaseInterface import AstronDatabaseInterface
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from NetMessenger import NetMessenger
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import collections
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# Helper functions for logging output:
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def msgpack_length(dg, length, fix, maxfix, tag8, tag16, tag32):
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if length < maxfix:
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dg.addUint8(fix + length)
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elif tag8 is not None and length < 1<<8:
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dg.addUint8(tag8)
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dg.addUint8(length)
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elif tag16 is not None and length < 1<<16:
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dg.addUint8(tag16)
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dg.addBeUint16(length)
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elif tag32 is not None and length < 1<<32:
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dg.addUint8(tag32)
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dg.addBeUint32(length)
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else:
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raise ValueError('Value too big for MessagePack')
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def msgpack_encode(dg, element):
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if element == None:
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dg.addUint8(0xc0)
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elif element is False:
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dg.addUint8(0xc2)
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elif element is True:
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dg.addUint8(0xc3)
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elif isinstance(element, (int, long)):
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if -32 <= element < 128:
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dg.addInt8(element)
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elif 128 <= element < 256:
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dg.addUint8(0xcc)
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dg.addUint8(element)
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elif 256 <= element < 65536:
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dg.addUint8(0xcd)
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dg.addBeUint16(element)
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elif 65536 <= element < (1<<32):
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dg.addUint8(0xce)
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dg.addBeUint32(element)
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elif (1<<32) <= element < (1<<64):
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dg.addUint8(0xcf)
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dg.addBeUint64(element)
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elif -128 <= element < -32:
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dg.addUint8(0xd0)
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dg.addInt8(element)
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elif -32768 <= element < -128:
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dg.addUint8(0xd1)
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dg.addBeInt16(element)
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elif -1<<31 <= element < -32768:
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dg.addUint8(0xd2)
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dg.addBeInt32(element)
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elif -1<<63 <= element < -1<<31:
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dg.addUint8(0xd3)
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dg.addBeInt64(element)
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else:
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raise ValueError('int out of range for msgpack: %d' % element)
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elif isinstance(element, dict):
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msgpack_length(dg, len(element), 0x80, 0x10, None, 0xde, 0xdf)
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for k,v in element.items():
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msgpack_encode(dg, k)
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msgpack_encode(dg, v)
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elif isinstance(element, list):
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msgpack_length(dg, len(element), 0x90, 0x10, None, 0xdc, 0xdd)
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for v in element:
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msgpack_encode(dg, v)
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elif isinstance(element, basestring):
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msgpack_length(dg, len(element), 0xa0, 0x20, 0xd9, 0xda, 0xdb)
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dg.appendData(element)
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elif isinstance(element, float):
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# Python does not distinguish between floats and doubles, so we send
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# everything as a double in MsgPack:
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dg.addUint8(0xcb)
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dg.addFloat64(element)
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else:
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raise TypeError('Encountered non-MsgPack-packable value: %r' % element)
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class AstronInternalRepository(ConnectionRepository):
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"""
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This class is part of Panda3D's new MMO networking framework.
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It interfaces with an Astron (https://github.com/Astron/Astron) server in
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order to manipulate objects in the Astron cluster. It does not require any
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specific "gateway" into the Astron network. Rather, it just connects directly
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to any Message Director. Hence, it is an "internal" repository.
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This class is suitable for constructing your own AI Servers and UberDOG servers
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using Panda3D. Objects with a "self.air" attribute are referring to an instance
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of this class.
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"""
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notify = DirectNotifyGlobal.directNotify.newCategory("AstronInternalRepository")
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def __init__(self, baseChannel, serverId=None, dcFileNames = None,
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dcSuffix = 'AI', connectMethod = None, threadedNet = None):
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if connectMethod is None:
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connectMethod = self.CM_HTTP
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ConnectionRepository.__init__(self, connectMethod, config, hasOwnerView = False, threadedNet = threadedNet)
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self.setClientDatagram(False)
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self.dcSuffix = dcSuffix
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if hasattr(self, 'setVerbose'):
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if self.config.GetBool('verbose-internalrepository'):
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self.setVerbose(1)
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# The State Server we are configured to use for creating objects.
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#If this is None, generating objects is not possible.
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self.serverId = self.config.GetInt('air-stateserver', 0) or None
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if serverId is not None:
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self.serverId = serverId
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maxChannels = self.config.GetInt('air-channel-allocation', 1000000)
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self.channelAllocator = UniqueIdAllocator(baseChannel, baseChannel+maxChannels-1)
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self._registeredChannels = set()
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self.__contextCounter = 0
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self.netMessenger = NetMessenger(self)
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self.dbInterface = AstronDatabaseInterface(self)
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self.__callbacks = {}
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self.ourChannel = self.allocateChannel()
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self.eventLogId = self.config.GetString('eventlog-id', 'AIR:%d' % self.ourChannel)
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self.eventSocket = None
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eventLogHost = self.config.GetString('eventlog-host', '')
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if eventLogHost:
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if ':' in eventLogHost:
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host, port = eventLogHost.split(':', 1)
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self.setEventLogHost(host, int(port))
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else:
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self.setEventLogHost(eventLogHost)
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self.readDCFile(dcFileNames)
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def getContext(self):
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self.__contextCounter = (self.__contextCounter + 1) & 0xFFFFFFFF
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return self.__contextCounter
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def allocateChannel(self):
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"""
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Allocate an unused channel out of this AIR's configured channel space.
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This is also used to allocate IDs for DistributedObjects, since those
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occupy a channel.
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"""
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return self.channelAllocator.allocate()
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def deallocateChannel(self, channel):
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"""
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Return the previously-allocated channel back to the allocation pool.
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"""
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self.channelAllocator.free(channel)
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def registerForChannel(self, channel):
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"""
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Register for messages on a specific Message Director channel.
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If the channel is already open by this AIR, nothing will happen.
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"""
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if channel in self._registeredChannels:
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return
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self._registeredChannels.add(channel)
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dg = PyDatagram()
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dg.addServerControlHeader(CONTROL_ADD_CHANNEL)
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dg.addChannel(channel)
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self.send(dg)
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def unregisterForChannel(self, channel):
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"""
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Unregister a channel subscription on the Message Director. The Message
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Director will cease to relay messages to this AIR sent on the channel.
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"""
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if channel not in self._registeredChannels:
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return
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self._registeredChannels.remove(channel)
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dg = PyDatagram()
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dg.addServerControlHeader(CONTROL_REMOVE_CHANNEL)
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dg.addChannel(channel)
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self.send(dg)
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def addPostRemove(self, dg):
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"""
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Register a datagram with the Message Director that gets sent out if the
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connection is ever lost.
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This is useful for registering cleanup messages: If the Panda3D process
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ever crashes unexpectedly, the Message Director will detect the socket
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close and automatically process any post-remove datagrams.
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"""
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dg2 = PyDatagram()
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dg2.addServerControlHeader(CONTROL_ADD_POST_REMOVE)
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dg2.addUint64(self.ourChannel)
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dg2.addString(dg.getMessage())
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self.send(dg2)
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def clearPostRemove(self):
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"""
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Clear all datagrams registered with addPostRemove.
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This is useful if the Panda3D process is performing a clean exit. It may
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clear the "emergency clean-up" post-remove messages and perform a normal
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exit-time clean-up instead, depending on the specific design of the game.
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"""
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dg = PyDatagram()
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dg.addServerControlHeader(CONTROL_CLEAR_POST_REMOVES)
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dg.addUint64(self.ourChannel)
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self.send(dg)
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def handleDatagram(self, di):
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msgType = self.getMsgType()
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if msgType in (STATESERVER_OBJECT_ENTER_AI_WITH_REQUIRED,
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STATESERVER_OBJECT_ENTER_AI_WITH_REQUIRED_OTHER):
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self.handleObjEntry(di, msgType == STATESERVER_OBJECT_ENTER_AI_WITH_REQUIRED_OTHER)
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elif msgType in (STATESERVER_OBJECT_CHANGING_AI,
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STATESERVER_OBJECT_DELETE_RAM):
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self.handleObjExit(di)
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elif msgType == STATESERVER_OBJECT_CHANGING_LOCATION:
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self.handleObjLocation(di)
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elif msgType in (DBSERVER_CREATE_OBJECT_RESP,
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DBSERVER_OBJECT_GET_ALL_RESP,
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DBSERVER_OBJECT_GET_FIELDS_RESP,
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DBSERVER_OBJECT_GET_FIELD_RESP,
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DBSERVER_OBJECT_SET_FIELD_IF_EQUALS_RESP,
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DBSERVER_OBJECT_SET_FIELDS_IF_EQUALS_RESP):
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self.dbInterface.handleDatagram(msgType, di)
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elif msgType == DBSS_OBJECT_GET_ACTIVATED_RESP:
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self.handleGetActivatedResp(di)
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elif msgType >= 20000:
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# These messages belong to the NetMessenger:
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self.netMessenger.handle(msgType, di)
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else:
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self.notify.warning('Received message with unknown MsgType=%d' % msgType)
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def handleObjLocation(self, di):
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doId = di.getUint32()
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parentId = di.getUint32()
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zoneId = di.getUint32()
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do = self.doId2do.get(doId)
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if not do:
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self.notify.warning('Received location for unknown doId=%d!' % (doId))
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return
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do.setLocation(parentId, zoneId)
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def handleObjEntry(self, di, other):
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doId = di.getUint32()
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parentId = di.getUint32()
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zoneId = di.getUint32()
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classId = di.getUint16()
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if classId not in self.dclassesByNumber:
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self.notify.warning('Received entry for unknown dclass=%d! (Object %d)' % (classId, doId))
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return
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if doId in self.doId2do:
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return # We already know about this object; ignore the entry.
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dclass = self.dclassesByNumber[classId]
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do = dclass.getClassDef()(self)
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do.dclass = dclass
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do.doId = doId
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# The DO came in off the server, so we do not unregister the channel when
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# it dies:
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do.doNotDeallocateChannel = True
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self.addDOToTables(do, location=(parentId, zoneId))
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# Now for generation:
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do.generate()
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if other:
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do.updateAllRequiredOtherFields(dclass, di)
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else:
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do.updateAllRequiredFields(dclass, di)
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def handleObjExit(self, di):
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doId = di.getUint32()
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if doId not in self.doId2do:
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self.notify.warning('Received AI exit for unknown object %d' % (doId))
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return
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do = self.doId2do[doId]
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self.removeDOFromTables(do)
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do.delete()
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do.sendDeleteEvent()
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def handleGetActivatedResp(self, di):
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ctx = di.getUint32()
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doId = di.getUint32()
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activated = di.getUint8()
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if ctx not in self.__callbacks:
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self.notify.warning('Received unexpected DBSS_OBJECT_GET_ACTIVATED_RESP (ctx: %d)' %ctx)
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return
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try:
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self.__callbacks[ctx](doId, activated)
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finally:
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del self.__callbacks[ctx]
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def getActivated(self, doId, callback):
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ctx = self.getContext()
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self.__callbacks[ctx] = callback
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dg = PyDatagram()
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dg.addServerHeader(doId, self.ourChannel, DBSS_OBJECT_GET_ACTIVATED)
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dg.addUint32(ctx)
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dg.addUint32(doId)
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self.send(dg)
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def sendUpdate(self, do, fieldName, args):
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"""
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Send a field update for the given object.
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You should use do.sendUpdate(...) instead. This is not meant to be
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called directly unless you really know what you are doing.
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"""
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self.sendUpdateToChannel(do, do.doId, fieldName, args)
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def sendUpdateToChannel(self, do, channelId, fieldName, args):
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"""
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Send an object field update to a specific channel.
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This is useful for directing the update to a specific client or node,
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rather than at the State Server managing the object.
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You should use do.sendUpdateToChannel(...) instead. This is not meant
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to be called directly unless you really know what you are doing.
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"""
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dclass = do.dclass
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field = dclass.getFieldByName(fieldName)
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dg = field.aiFormatUpdate(do.doId, channelId, self.ourChannel, args)
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self.send(dg)
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def sendActivate(self, doId, parentId, zoneId, dclass=None, fields=None):
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"""
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Activate a DBSS object, given its doId, into the specified parentId/zoneId.
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If both dclass and fields are specified, an ACTIVATE_WITH_DEFAULTS_OTHER
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will be sent instead. In other words, the specified fields will be
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auto-applied during the activation.
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"""
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fieldPacker = DCPacker()
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fieldCount = 0
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if dclass and fields:
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for k,v in fields.items():
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field = dclass.getFieldByName(k)
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if not field:
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self.notify.error('Activation request for %s object contains '
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'invalid field named %s' % (dclass.getName(), k))
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fieldPacker.rawPackUint16(field.getNumber())
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fieldPacker.beginPack(field)
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field.packArgs(fieldPacker, v)
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fieldPacker.endPack()
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fieldCount += 1
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dg = PyDatagram()
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dg.addServerHeader(doId, self.ourChannel, DBSS_OBJECT_ACTIVATE_WITH_DEFAULTS)
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dg.addUint32(doId)
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dg.addUint32(0)
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dg.addUint32(0)
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self.send(dg)
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# DEFAULTS_OTHER isn't implemented yet, so we chase it with a SET_FIELDS
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dg = PyDatagram()
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dg.addServerHeader(doId, self.ourChannel, STATESERVER_OBJECT_SET_FIELDS)
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dg.addUint32(doId)
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dg.addUint16(fieldCount)
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dg.appendData(fieldPacker.getString())
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self.send(dg)
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# Now slide it into the zone we expect to see it in (so it
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# generates onto us with all of the fields in place)
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dg = PyDatagram()
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dg.addServerHeader(doId, self.ourChannel, STATESERVER_OBJECT_SET_LOCATION)
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dg.addUint32(parentId)
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dg.addUint32(zoneId)
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self.send(dg)
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else:
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dg = PyDatagram()
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dg.addServerHeader(doId, self.ourChannel, DBSS_OBJECT_ACTIVATE_WITH_DEFAULTS)
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dg.addUint32(doId)
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dg.addUint32(parentId)
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dg.addUint32(zoneId)
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self.send(dg)
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def sendSetLocation(self, do, parentId, zoneId):
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dg = PyDatagram()
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dg.addServerHeader(do.doId, self.ourChannel, STATESERVER_OBJECT_SET_LOCATION)
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dg.addUint32(parentId)
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dg.addUint32(zoneId)
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self.send(dg)
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def generateWithRequired(self, do, parentId, zoneId, optionalFields=[]):
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"""
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Generate an object onto the State Server, choosing an ID from the pool.
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You should use do.generateWithRequired(...) instead. This is not meant
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to be called directly unless you really know what you are doing.
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"""
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doId = self.allocateChannel()
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self.generateWithRequiredAndId(do, doId, parentId, zoneId, optionalFields)
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def generateWithRequiredAndId(self, do, doId, parentId, zoneId, optionalFields=[]):
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"""
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Generate an object onto the State Server, specifying its ID and location.
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You should use do.generateWithRequiredAndId(...) instead. This is not
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meant to be called directly unless you really know what you are doing.
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"""
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do.doId = doId
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self.addDOToTables(do, location=(parentId, zoneId))
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do.sendGenerateWithRequired(self, parentId, zoneId, optionalFields)
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def requestDelete(self, do):
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"""
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Request the deletion of an object that already exists on the State Server.
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You should use do.requestDelete() instead. This is not meant to be
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called directly unless you really know what you are doing.
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"""
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dg = PyDatagram()
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dg.addServerHeader(do.doId, self.ourChannel, STATESERVER_OBJECT_DELETE_RAM)
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dg.addUint32(do.doId)
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self.send(dg)
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def connect(self, host, port=7199):
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"""
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Connect to a Message Director. The airConnected message is sent upon
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success.
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N.B. This overrides the base class's connect(). You cannot use the
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ConnectionRepository connect() parameters.
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"""
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url = URLSpec()
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url.setServer(host)
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url.setPort(port)
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self.notify.info('Now connecting to %s:%s...' % (host, port))
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ConnectionRepository.connect(self, [url],
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successCallback=self.__connected,
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failureCallback=self.__connectFailed,
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failureArgs=[host, port])
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def __connected(self):
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self.notify.info('Connected successfully.')
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# Listen to our channel...
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self.registerForChannel(self.ourChannel)
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# If we're configured with a State Server, register a post-remove to
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# clean up whatever objects we own on this server should we unexpectedly
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# fall over and die.
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if self.serverId:
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dg = PyDatagram()
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dg.addServerHeader(self.serverId, self.ourChannel, STATESERVER_DELETE_AI_OBJECTS)
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dg.addChannel(self.ourChannel)
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self.addPostRemove(dg)
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messenger.send('airConnected')
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self.handleConnected()
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def __connectFailed(self, code, explanation, host, port):
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self.notify.warning('Failed to connect! (code=%s; %r)' % (code, explanation))
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# Try again...
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retryInterval = config.GetFloat('air-reconnect-delay', 5.0)
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taskMgr.doMethodLater(retryInterval, self.connect, 'Reconnect delay', extraArgs=[host, port])
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def handleConnected(self):
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"""
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Subclasses should override this if they wish to handle the connection
|
|
event.
|
|
"""
|
|
|
|
def lostConnection(self):
|
|
# This should be overridden by a subclass if unexpectedly losing connection
|
|
# is okay.
|
|
self.notify.error('Lost connection to gameserver!')
|
|
|
|
def setEventLogHost(self, host, port=7197):
|
|
"""
|
|
Set the target host for Event Logger messaging. This should be pointed
|
|
at the UDP IP:port that hosts the cluster's running Event Logger.
|
|
|
|
Providing a value of None or an empty string for 'host' will disable
|
|
event logging.
|
|
"""
|
|
|
|
if not host:
|
|
self.eventSocket = None
|
|
return
|
|
|
|
address = SocketAddress()
|
|
if not address.setHost(host, port):
|
|
self.notify.warning('Invalid Event Log host specified: %s:%s' % (host, port))
|
|
self.eventSocket = None
|
|
else:
|
|
self.eventSocket = SocketUDPOutgoing()
|
|
self.eventSocket.InitToAddress(address)
|
|
|
|
def writeServerEvent(self, logtype, *args, **kwargs):
|
|
"""
|
|
Write an event to the central Event Logger, if one is configured.
|
|
|
|
The purpose of the Event Logger is to keep a game-wide record of all
|
|
interesting in-game events that take place. Therefore, this function
|
|
should be used whenever such an interesting in-game event occurs.
|
|
"""
|
|
|
|
if self.eventSocket is None:
|
|
return # No event logger configured!
|
|
|
|
log = collections.OrderedDict()
|
|
log['type'] = logtype
|
|
log['sender'] = self.eventLogId
|
|
|
|
for i,v in enumerate(args):
|
|
# +1 because the logtype was _0, so we start at _1
|
|
log['_%d' % (i+1)] = v
|
|
|
|
log.update(kwargs)
|
|
|
|
dg = PyDatagram()
|
|
msgpack_encode(dg, log)
|
|
self.eventSocket.Send(dg.getMessage())
|
|
|
|
def setAI(self, doId, aiChannel):
|
|
"""
|
|
Sets the AI of the specified DistributedObjectAI to be the specified channel.
|
|
Generally, you should not call this method, and instead call DistributedObjectAI.setAI.
|
|
"""
|
|
|
|
dg = PyDatagram()
|
|
dg.addServerHeader(doId, aiChannel, STATESERVER_OBJECT_SET_AI)
|
|
dg.add_uint64(aiChannel)
|
|
self.send(dg)
|
|
|
|
def eject(self, clientChannel, reasonCode, reason):
|
|
"""
|
|
Kicks the client residing at the specified clientChannel, using the specifed reasoning.
|
|
"""
|
|
|
|
dg = PyDatagram()
|
|
dg.addServerHeader(clientChannel, self.ourChannel, CLIENTAGENT_EJECT)
|
|
dg.add_uint16(reasonCode)
|
|
dg.addString(reason)
|
|
self.send(dg)
|
|
|
|
def setClientState(self, clientChannel, state):
|
|
"""
|
|
Sets the state of the client on the CA.
|
|
Useful for logging in and logging out, and for little else.
|
|
"""
|
|
|
|
dg = PyDatagram()
|
|
dg.addServerHeader(clientChannel, self.ourChannel, CLIENTAGENT_SET_STATE)
|
|
dg.add_uint16(state)
|
|
self.send(dg)
|
|
|
|
def clientAddSessionObject(self, clientChannel, doId):
|
|
"""
|
|
Declares the specified DistributedObject to be a "session object",
|
|
meaning that it is destroyed when the client disconnects.
|
|
Generally used for avatars owned by the client.
|
|
"""
|
|
|
|
dg = PyDatagram()
|
|
dg.addServerHeader(clientChannel, self.ourChannel, CLIENTAGENT_ADD_SESSION_OBJECT)
|
|
dg.add_uint32(doId)
|
|
self.send(dg)
|
|
|
|
def clientAddInterest(self, clientChannel, interestId, parentId, zoneId):
|
|
"""
|
|
Opens an interest on the behalf of the client. This, used in conjunction
|
|
with add_interest: visible (or preferably, disabled altogether), will mitigate
|
|
possible security risks.
|
|
"""
|
|
|
|
dg = PyDatagram()
|
|
dg.addServerHeader(clientChannel, self.ourChannel, CLIENTAGENT_ADD_INTEREST)
|
|
dg.add_uint16(interestId)
|
|
dg.add_uint32(parentId)
|
|
dg.add_uint32(zoneId)
|
|
self.send(dg)
|
|
|
|
def setOwner(self, doId, newOwner):
|
|
"""
|
|
Sets the owner of a DistributedObject. This will enable the new owner to send "ownsend" fields,
|
|
and will generate an OwnerView.
|
|
"""
|
|
|
|
dg = PyDatagram()
|
|
dg.addServerHeader(doId, self.ourChannel, STATESERVER_OBJECT_SET_OWNER)
|
|
dg.add_uint64(newOwner)
|
|
self.send(dg) |