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update decodeHeader - decode number message received

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AleaJactaEst 2019-05-30 23:46:07 +02:00
parent 3478c16243
commit bc4a1cbd09
1 changed files with 77 additions and 11 deletions
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86
client.py
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@ -42,6 +42,7 @@ import socket
import struct import struct
import xml.etree.ElementTree as ET import xml.etree.ElementTree as ET
import hashlib import hashlib
import time
class BitStream(): class BitStream():
@ -1481,7 +1482,8 @@ class ClientNetworkConnection:
def __init__(self, def __init__(self,
khanat_host, khanat_host,
khanat_port_frontend, khanat_port_frontend,
LanguageCode="fr"): LanguageCode="fr",
checkMessageNumber = True):
self.log = logging.getLogger('myLogger') self.log = logging.getLogger('myLogger')
self._CurrentSendNumber = 0 self._CurrentSendNumber = 0
self.LanguageCode = LanguageCode self.LanguageCode = LanguageCode
@ -1501,6 +1503,22 @@ class ClientNetworkConnection:
self._DatabaseXmlMD5 = None self._DatabaseXmlMD5 = None
self.msgXml = None self.msgXml = None
self.databaseXml = None self.databaseXml = None
self._Synchronize = 0
self._LatestSync = 0
self._CurrentServerTick = 0
self._MsPerTick = 0
self._LCT = 100
self._UpdateTime = 0
#self._UpdateTicks = 0
self._ReceivedSync = False
self._LastReceivedTime = 0
self._LastReceivedPacketInBothModes = 0
self._TotalMessages = 0
self._TotalLostPackets = 0
self.checkMessageNumber = checkMessageNumber
self._LastAckBit = 0
self._AckBitMask = 0
self._LongAckBitField = 0
def cookiesInit(self, UserAddr, UserKey, UserId): def cookiesInit(self, UserAddr, UserKey, UserId):
self.UserAddr = UserAddr self.UserAddr = UserAddr
@ -1550,9 +1568,10 @@ class ClientNetworkConnection:
msg.pushUint8(2) # SYSTEM_ACK_SYNC_CODE msg.pushUint8(2) # SYSTEM_ACK_SYNC_CODE
msg.pushSint32(self._LastReceivedNumber) msg.pushSint32(self._LastReceivedNumber)
msg.pushSint32(self._LastAckInLongAck) msg.pushSint32(self._LastAckInLongAck)
# msg.pushSint32(self._LongAckBitField) # msg.pushSint32(self._LongAckBitField) # Signale le nombre de packet perdu
# msg.pushSint32(self._LatestSync) msg.pushSint32(self._LatestSync)
self.log.error("TODO") self.log.error("TODO")
# self._sock.sendto(msg.toBytes(), self.frontend)
def readDelta(self, msg): def readDelta(self, msg):
propertyCount = msg.readUint16() propertyCount = msg.readUint16()
@ -1574,12 +1593,49 @@ class ClientNetworkConnection:
return data, addr return data, addr
def decodeHeader(self, msg): def decodeHeader(self, msg):
self._TotalMessages += 1
self._LastReceivedTime = self._UpdateTime
self._CurrentReceivedNumber = msg.readSint32() self._CurrentReceivedNumber = msg.readSint32()
self._SystemMode = msg.readBool() self._SystemMode = msg.readBool()
if self._SystemMode:
return if self.checkMessageNumber and self._CurrentReceivedNumber > self._LastReceivedPacketInBothModes:
self._TotalLostPackets += self._CurrentReceivedNumber - self._LastReceivedPacketInBothModes - 1
self._LastReceivedPacketInBothModes = self._CurrentReceivedNumber
else:
self._LastReceivedPacketInBothModes = self._CurrentReceivedNumber - 1
if not self._SystemMode:
self._LastReceivedAck = msg.readSint32(); self._LastReceivedAck = msg.readSint32();
if self._CurrentReceivedNumber > self._LastReceivedNumber+1:
self.log.debug("lost messages server->client [%d; %d]" %(self._LastReceivedPacketInBothModes + 1, self._CurrentReceivedNumber - 1))
elif self._CurrentReceivedNumber == self._LastReceivedNumber:
self.log.debug("awaiting packet %d, received packet %d" %(self._LastReceivedPacketInBothModes + 1, self._CurrentReceivedNumber))
return False
elif self._CurrentReceivedNumber < self._LastReceivedNumber:
self.log.debug("received an old message, awaiting packet %d, received packet %d" %(self._LastReceivedPacketInBothModes + 1, self._CurrentReceivedNumber))
return false
ackBool = ( not self._SystemMode ) and (self._ConnectionState == TConnectionState.Connected or self._ConnectionState == TConnectionState.Synchronize)
if ackBool:
ackBit = 1
else:
ackBit = 0
if self._CurrentReceivedNumber - self._LastReceivedNumber < 32:
self._AckBitMask <<= self._CurrentReceivedNumber - self._LastReceivedNumber;
elif (self_CurrentReceivedNumber - self_LastReceivedNumber) == 32 and self._LastAckBit != 0:
self._AckBitMask = 0x80000000
else:
self._AckBitMask = 0x00000000
self._LastAckBit = ackBit;
for i in range(self._LastReceivedNumber+1, self._CurrentReceivedNumber+1):
if self._LongAckBitField & (i & (512-1)) > 1:
self._LongAckBitField = self._LongAckBitField ^ (i & (512-1))
if ackBool:
self._LongAckBitField = self._LongAckBitField | (self._CurrentReceivedNumber & (512 - 1))
self._LongAckBitField %= 512
self._LastReceivedNumber = self._CurrentReceivedNumber self._LastReceivedNumber = self._CurrentReceivedNumber
self.log.debug("_CurrentReceivedNumber:%d, _LastReceivedNumber:%d, ackBit:%d, _AckBitMask:%d _LongAckBitField:%d" % (self._CurrentReceivedNumber, self._LastReceivedNumber, ackBit, self._AckBitMask, self._LongAckBitField))
return True
def receiveSystemProbe(self, msg): def receiveSystemProbe(self, msg):
self._LatestProbe = msg.readSint32() self._LatestProbe = msg.readSint32()
@ -1589,10 +1645,10 @@ class ClientNetworkConnection:
self.log.debug("received STALLED") self.log.debug("received STALLED")
def receiveSystemSync(self, msg): def receiveSystemSync(self, msg):
_Synchronize = msg.readUint32() self._Synchronize = msg.readUint32()
stime = msg.readSint64() stime = msg.readSint64()
_LatestSync = msg.readUint32() self._LatestSync = msg.readUint32()
self.log.debug("%d %d %d" %(_Synchronize, stime, _LatestSync)) self.log.debug("%d %d %d" %(self._Synchronize, stime, self._LatestSync))
# khanat-opennel-code/code/ryzom/client/src/network_connection.cpp : void CNetworkConnection::receiveSystemSync(CBitMemStream &msgin) # khanat-opennel-code/code/ryzom/client/src/network_connection.cpp : void CNetworkConnection::receiveSystemSync(CBitMemStream &msgin)
MsgData = msg.readArrayUint8(16) MsgData = msg.readArrayUint8(16)
DatabaseData = msg.readArrayUint8(16) DatabaseData = msg.readArrayUint8(16)
@ -1608,12 +1664,21 @@ class ClientNetworkConnection:
self.log.info("Check MD5 database.xml : OK") self.log.info("Check MD5 database.xml : OK")
else: else:
self.log.error("Check MD5 database.xml : KO") self.log.error("Check MD5 database.xml : KO")
self.log.error("TODO") self._MsPerTick = 100
#self.sendSystemAckSync() self._CurrentServerTick = self._Synchronize + self._CurrentReceivedNumber + 2
self._CurrentClientTick = self._CurrentServerTick - ( self._LCT + self._MsPerTick ) / self._MsPerTick
self._CurrentClientTime = self._UpdateTime - (self._LCT + self._MsPerTick)
self.sendSystemAckSync()
def disconnect(self): def disconnect(self):
pass pass
def update(self):
# khanat-opennel-code/code/ryzom/client/src/network_connection.cpp # bool CNetworkConnection::update()
self._UpdateTime = int(time.clock_gettime(1)*1000)
#self._UpdateTicks = 0
self._ReceivedSync = False
def EmulateFirst(self, msgRawXml, databaseRawXml): def EmulateFirst(self, msgRawXml, databaseRawXml):
self.msgXml = ET.fromstring(msgRawXml) self.msgXml = ET.fromstring(msgRawXml)
#ET.dump(msgXml) #ET.dump(msgXml)
@ -1628,6 +1693,7 @@ class ClientNetworkConnection:
self.log.info("Receive Message") self.log.info("Receive Message")
for _ in range(0, 20): # while True: for _ in range(0, 20): # while True:
self.update()
data, addr = self.buildStream() data, addr = self.buildStream()
self.log.debug("received message: %s" % data) self.log.debug("received message: %s" % data)
msg = BitStream() msg = BitStream()