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update decodeHeader - decode number message received
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parent
3478c16243
commit
bc4a1cbd09
1 changed files with 77 additions and 11 deletions
86
client.py
86
client.py
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@ -42,6 +42,7 @@ import socket
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import struct
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import xml.etree.ElementTree as ET
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import hashlib
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import time
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class BitStream():
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@ -1481,7 +1482,8 @@ class ClientNetworkConnection:
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def __init__(self,
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khanat_host,
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khanat_port_frontend,
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LanguageCode="fr"):
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LanguageCode="fr",
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checkMessageNumber = True):
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self.log = logging.getLogger('myLogger')
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self._CurrentSendNumber = 0
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self.LanguageCode = LanguageCode
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@ -1501,6 +1503,22 @@ class ClientNetworkConnection:
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self._DatabaseXmlMD5 = None
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self.msgXml = None
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self.databaseXml = None
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self._Synchronize = 0
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self._LatestSync = 0
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self._CurrentServerTick = 0
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self._MsPerTick = 0
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self._LCT = 100
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self._UpdateTime = 0
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#self._UpdateTicks = 0
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self._ReceivedSync = False
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self._LastReceivedTime = 0
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self._LastReceivedPacketInBothModes = 0
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self._TotalMessages = 0
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self._TotalLostPackets = 0
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self.checkMessageNumber = checkMessageNumber
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self._LastAckBit = 0
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self._AckBitMask = 0
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self._LongAckBitField = 0
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def cookiesInit(self, UserAddr, UserKey, UserId):
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self.UserAddr = UserAddr
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@ -1550,9 +1568,10 @@ class ClientNetworkConnection:
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msg.pushUint8(2) # SYSTEM_ACK_SYNC_CODE
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msg.pushSint32(self._LastReceivedNumber)
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msg.pushSint32(self._LastAckInLongAck)
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# msg.pushSint32(self._LongAckBitField) #
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# msg.pushSint32(self._LatestSync)
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msg.pushSint32(self._LongAckBitField) # Signale le nombre de packet perdu
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msg.pushSint32(self._LatestSync)
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self.log.error("TODO")
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# self._sock.sendto(msg.toBytes(), self.frontend)
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def readDelta(self, msg):
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propertyCount = msg.readUint16()
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@ -1574,12 +1593,49 @@ class ClientNetworkConnection:
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return data, addr
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def decodeHeader(self, msg):
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self._TotalMessages += 1
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self._LastReceivedTime = self._UpdateTime
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self._CurrentReceivedNumber = msg.readSint32()
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self._SystemMode = msg.readBool()
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if self._SystemMode:
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return
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if self.checkMessageNumber and self._CurrentReceivedNumber > self._LastReceivedPacketInBothModes:
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self._TotalLostPackets += self._CurrentReceivedNumber - self._LastReceivedPacketInBothModes - 1
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self._LastReceivedPacketInBothModes = self._CurrentReceivedNumber
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else:
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self._LastReceivedPacketInBothModes = self._CurrentReceivedNumber - 1
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if not self._SystemMode:
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self._LastReceivedAck = msg.readSint32();
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if self._CurrentReceivedNumber > self._LastReceivedNumber+1:
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self.log.debug("lost messages server->client [%d; %d]" %(self._LastReceivedPacketInBothModes + 1, self._CurrentReceivedNumber - 1))
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elif self._CurrentReceivedNumber == self._LastReceivedNumber:
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self.log.debug("awaiting packet %d, received packet %d" %(self._LastReceivedPacketInBothModes + 1, self._CurrentReceivedNumber))
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return False
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elif self._CurrentReceivedNumber < self._LastReceivedNumber:
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self.log.debug("received an old message, awaiting packet %d, received packet %d" %(self._LastReceivedPacketInBothModes + 1, self._CurrentReceivedNumber))
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return false
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ackBool = ( not self._SystemMode ) and (self._ConnectionState == TConnectionState.Connected or self._ConnectionState == TConnectionState.Synchronize)
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if ackBool:
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ackBit = 1
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else:
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ackBit = 0
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if self._CurrentReceivedNumber - self._LastReceivedNumber < 32:
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self._AckBitMask <<= self._CurrentReceivedNumber - self._LastReceivedNumber;
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elif (self_CurrentReceivedNumber - self_LastReceivedNumber) == 32 and self._LastAckBit != 0:
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self._AckBitMask = 0x80000000
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else:
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self._AckBitMask = 0x00000000
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self._LastAckBit = ackBit;
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for i in range(self._LastReceivedNumber+1, self._CurrentReceivedNumber+1):
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if self._LongAckBitField & (i & (512-1)) > 1:
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self._LongAckBitField = self._LongAckBitField ^ (i & (512-1))
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if ackBool:
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self._LongAckBitField = self._LongAckBitField | (self._CurrentReceivedNumber & (512 - 1))
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self._LongAckBitField %= 512
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self._LastReceivedNumber = self._CurrentReceivedNumber
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self.log.debug("_CurrentReceivedNumber:%d, _LastReceivedNumber:%d, ackBit:%d, _AckBitMask:%d _LongAckBitField:%d" % (self._CurrentReceivedNumber, self._LastReceivedNumber, ackBit, self._AckBitMask, self._LongAckBitField))
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return True
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def receiveSystemProbe(self, msg):
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self._LatestProbe = msg.readSint32()
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@ -1589,10 +1645,10 @@ class ClientNetworkConnection:
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self.log.debug("received STALLED")
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def receiveSystemSync(self, msg):
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_Synchronize = msg.readUint32()
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self._Synchronize = msg.readUint32()
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stime = msg.readSint64()
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_LatestSync = msg.readUint32()
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self.log.debug("%d %d %d" %(_Synchronize, stime, _LatestSync))
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self._LatestSync = msg.readUint32()
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self.log.debug("%d %d %d" %(self._Synchronize, stime, self._LatestSync))
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# khanat-opennel-code/code/ryzom/client/src/network_connection.cpp : void CNetworkConnection::receiveSystemSync(CBitMemStream &msgin)
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MsgData = msg.readArrayUint8(16)
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DatabaseData = msg.readArrayUint8(16)
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@ -1608,12 +1664,21 @@ class ClientNetworkConnection:
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self.log.info("Check MD5 database.xml : OK")
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else:
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self.log.error("Check MD5 database.xml : KO")
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self.log.error("TODO")
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#self.sendSystemAckSync()
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self._MsPerTick = 100
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self._CurrentServerTick = self._Synchronize + self._CurrentReceivedNumber + 2
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self._CurrentClientTick = self._CurrentServerTick - ( self._LCT + self._MsPerTick ) / self._MsPerTick
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self._CurrentClientTime = self._UpdateTime - (self._LCT + self._MsPerTick)
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self.sendSystemAckSync()
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def disconnect(self):
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pass
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def update(self):
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# khanat-opennel-code/code/ryzom/client/src/network_connection.cpp # bool CNetworkConnection::update()
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self._UpdateTime = int(time.clock_gettime(1)*1000)
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#self._UpdateTicks = 0
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self._ReceivedSync = False
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def EmulateFirst(self, msgRawXml, databaseRawXml):
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self.msgXml = ET.fromstring(msgRawXml)
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#ET.dump(msgXml)
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@ -1628,6 +1693,7 @@ class ClientNetworkConnection:
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self.log.info("Receive Message")
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for _ in range(0, 20): # while True:
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self.update()
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data, addr = self.buildStream()
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self.log.debug("received message: %s" % data)
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msg = BitStream()
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