/
tcp_chat_client.py
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tcp_chat_client.py
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# -*- coding: utf-8 -*-
from twisted.internet.protocol import Protocol
from c2w.main.client_model import c2wClientModel
import logging
import struct
import ctypes
from c2w.main.constants import ROOM_IDS
from c2w.main.user import c2wUser
from c2w.main.movie import c2wMovieStore
from c2w.main.client_proxy import c2wClientProxy
logging.basicConfig()
moduleLogger = logging.getLogger('c2w.protocol.tcp_chat_client_protocol')
userStatus={
'mainRoom':0,
'movieRoom':1,
'waitingMainRoomUserList':2,
'waitingMovieList':3,
'waitingMainRoom':4,
'waitingMovieRoom':5,
'waitingfMovieRoomUserList':6,
'waitingAck':7,
'disconnected':8
}
class c2wTcpChatClientProtocol(Protocol):
def __init__(self, clientProxy, serverAddress, serverPort):
self.serverAddress = serverAddress
self.serverPort = serverPort
self.clientProxy = clientProxy
self.RoomName=ROOM_IDS.MAIN_ROOM
self.userName=""
self.msgenvoye=""
self.msgreceived=""
self.userStatus=userStatus['disconnected']
self.seq_num=0
self.stockedData=ctypes.create_string_buffer(0)
self.listUser_Id=[]
self.listUser=[]
self.listMovies=[]
self.MovieStore=c2wMovieStore()
self.nb_received_listMovie=0
self.nb_received_listUser=0
self.typemsgenvoye=""
self.traitement=False
self.userId=""
#**********************SendLoginRequest******************************************
def sendLoginRequestOIE(self, userName):
ack_num=0
typeMsg=1
ack=0
res=0
self.userName=userName
self.msgenvoye="1"
buf = ctypes.create_string_buffer(len(userName)+6)
print "oui elle marche"
header=(typeMsg<<28)|(ack<<27)|(res<<26)|(ack_num<<13)|(self.seq_num)
formatPacket = '>LH' + str(len(userName)) + 's'
longdata=len(userName)+6
struct.pack_into(formatPacket, buf,0,header,longdata,userName)
self.transport.write(buf.raw)
moduleLogger.debug('loginRequest called with username=%s', userName)
#*************************Reception avec Framing*************************************
def dataReceived(self, data):
self.traitement=False
longStockedData=len(self.stockedData)
buf=ctypes.create_string_buffer(longStockedData)
buf=self.stockedData
longMsg=longStockedData+len(data)
self.stockedData=ctypes.create_string_buffer(longMsg)
self.stockedData[0:longStockedData]=buf
self.stockedData[longStockedData:longMsg]=data
longStockedData=len(self.stockedData)
while (longStockedData>=6) and (self.traitement==False):
lengthMsg= struct.unpack_from('>LH',self.stockedData)[1]
if (longStockedData>= lengthMsg):
Msg= ctypes.create_string_buffer(lengthMsg)
Msg= self.stockedData[0:lengthMsg]
longrestData=longStockedData-lengthMsg
buf=self.stockedData[lengthMsg:lengthMsg+longrestData]
self.stockedData=ctypes.create_string_buffer(longrestData)
self.stockedData=buf
self.traitementData(Msg)
longStockedData=longrestData
else:
self.traitement=True
print "on a tout traité"
#******************************FonctionTraitementData*********************************
def traitementData(self,packet):
print "On traite un message"
Lengthpacket=struct.unpack_from(">LH",packet)[1]
header=struct.unpack_from(">LH",packet)[0]
typeMsg=header>>28
print typeMsg
ack_numAenvoye= (header & 8191)
print "**********************le num de ack est ******************** :%d" %ack_numAenvoye
if (typeMsg==14):
self.msgreceived="14"
self.userStatus =userStatus['waitingMainRoomUserList']
self.userId=struct.unpack_from(">LHH",packet)[2]
print "Response received"
self.envoiAck(ack_numAenvoye)
self.seq_num +=1
self.seq_num= self.seq_num % 4096
print "Ack du user Id envoyé"
if(typeMsg==2):
self.receptionListUser(packet,self.userStatus)
self.envoiAck(ack_numAenvoye)
self.nb_received_listUser+=1
if(self.nb_received_listUser==1) and (self.nb_received_listMovie==1):
self.clientProxy.initCompleteONE(self.listUser, self.listMovies)
self.userStatus=userStatus['mainRoom']
print "ack de user list envoyé"
if(typeMsg==3):
print "Reception movielist"
if (self.nb_received_listMovie==0):
self.receptionListMovie(packet)
self.nb_received_listMovie+=1
print "Envoi ack movielist"
self.nb_received_listMovie=1
self.envoiAck(ack_numAenvoye)
if (typeMsg==4):
print "reception message"
self.ReceptionPublicMsg(packet,Lengthpacket)
self.envoiAck(ack_numAenvoye)
if(typeMsg==15):
if(self.typemsgenvoye=="6"):
self.clientProxy.joinRoomOKONE()
self.userStatus=userStatus['movieRoom']
print "la méthode est exécutée"
self.envoiAck(ack_numAenvoye)
if(self.typemsgenvoye=="7"):
self.clientProxy.joinRoomOKONE()
self.userStatus=userStatus['mainRoom']
if(self.typemsgenvoye=="8"):
print "ByeBye"
self.clientProxy.leaveSystemOKONE()
if (typeMsg==0):
print "on entre ici la ou on doit traiter the same user Name"
errorCode=struct.unpack_from(">LHB",packet)[2]
if(errorCode==1):
self.clientProxy.connectionRejectedONE("Impossible de se connecter Username already exist")
#*******************************Envoie Ack***********************************************************
def envoiAck(self,ackNum):
typeMsg=15
ack=1
res=0
seq_num=0
buf = ctypes.create_string_buffer(6)
header=(typeMsg<<28)|(ack<<27)|(res<<26)|(ackNum<<13)|(seq_num)
struct.pack_into(">LH", buf,0,header,6)
self.transport.write(buf.raw)
#*******************Fonction envoie message*****************************************************
def EnvoiMsg(self,buf):
self.transport.write(buf.raw)
print "................................................................."
print self.seq_num
self.seq_num+=1
self.seq_num = self.seq_num % 4096
#************************Reception list Users**********************************************************
def receptionListUser(self,packet,status):
self.listUser=[]
lengthMsg=struct.unpack_from(">LH",packet)[1]
print "00000000000000000000on reçoit la list0000000000000000000"
lengthData=lengthMsg-8
offset=8
i=0
while i< lengthData:
lengthNameUser_Dispo=struct.unpack_from(">B",packet,offset)[0]
lengthNameUser=lengthNameUser_Dispo>>1
S=lengthNameUser_Dispo&1
Data=">BH"+ str(lengthNameUser) + "s"
userName= struct.unpack_from(Data,packet,offset)[2]
userId=struct.unpack_from(Data,packet,offset)[1]
if (S==1):
ROOM=ROOM_IDS.MAIN_ROOM
else:
ROOM=ROOM_IDS.MOVIE_ROOM
self.listUser.append((userName,ROOM))
self.listUser_Id.append((userName,userId))
i+=(lengthNameUser+3)
offset+=(lengthNameUser+3)
liste=[]
if status==userStatus['waitingMainRoomUserList'] or status==userStatus['mainRoom']:
liste=self.listUser
elif status==userStatus['waitingfMovieRoomUserList'] or status==userStatus['movieRoom']:
print "******************on entre dans cette boucle************************"
i=0
while i<len(self.listUser):
liste.append((self.listUser[i][0],self.RoomName)) # il y'avait self.thisRoomName???
i+=1
if status==userStatus['mainRoom'] or status==userStatus['movieRoom']:
self.clientProxy.setUserListONE(liste)
print "§!§§§§§§§§§§§§§§§update ok "
#**********************************Reception ListeMovie*********************************************************
def receptionListMovie(self,packet):
len(packet)
nbMovies=struct.unpack_from(">LHH",packet)[2]
print "Nb movies reçu %d",nbMovies
offset=8
i=0
while i < nbMovies:
IpAdressMovie1=struct.unpack_from(">BBBBHB",packet,offset)[0]
IpAdressMovie2=struct.unpack_from(">BBBBHB",packet,offset)[1]
IpAdressMovie3=struct.unpack_from(">BBBBHB",packet,offset)[2]
IpAdressMovie4=struct.unpack_from(">BBBBHB",packet,offset)[3]
IpAdressMovie=str(IpAdressMovie1) + "." +str(IpAdressMovie2) + "." +str(IpAdressMovie3) + "." +str(IpAdressMovie4)
portMovie=struct.unpack_from(">LHB",packet,offset)[1]
lengthNameMovie=struct.unpack_from(">LHB",packet,offset)[2]
offset+=7
formatMovieName=">"+ str(lengthNameMovie) + "s"
MovieName= struct.unpack_from(formatMovieName,packet,offset)[0]
self.listMovies.append((MovieName,IpAdressMovie,portMovie))
self.MovieStore.createAndAddMovie(MovieName,IpAdressMovie,portMovie,None,None,False,None)
i+=1
offset+=lengthNameMovie
print self.listMovies
#***************************************SendChatMessage**********************************************
def sendChatMessageOIE(self, message):
self.typemsgenvoye=4
typeMsg=4
ack=0
res=0
ack_num=0
lengthDatagram=len(message)+len(self.userName)+9
Message=message
buf = ctypes.create_string_buffer(lengthDatagram)
header=(typeMsg<<28)|(ack<<27)|(res<<26)|(ack_num<<13)|(self.seq_num)
if(self.RoomName==ROOM_IDS.MAIN_ROOM):
print "envoie de message main room cote client"
formatDatagram=">LHHLH"+str(len(Message))+"s"
print "********************%d"%self.userId
struct.pack_into(formatDatagram, buf,0,header,lengthDatagram,self.userId,0,0,Message)
self.EnvoiMsg(buf)
else:
print "on a envoyé la request pour chat movie room"
Movie=self.MovieStore.getMovieByTitle(self.RoomName)
IpAdressMovie=Movie.movieIpAddress
MoviePort=Movie.moviePort
Tab=IpAdressMovie.split('.')
formatDatagram=">LHHBBBBH"+str(len(Message))+"s"
struct.pack_into(formatDatagram, buf,0,header,lengthDatagram,self.userId,int(Tab[0]),int(Tab[1]),int(Tab[2]),int(Tab[3]),MoviePort,Message)
self.EnvoiMsg(buf)
print "Request send chat Msg envoyé"
#**********************ReceptionPublicMsg**********************************************
def ReceptionPublicMsg(self,buf,LengthDatagram):
userId=struct.unpack_from(">LHH",buf)[2]
i=0
userName=""
print self.listUser_Id
while i<len(self.listUser_Id):
if(self.listUser_Id[i][1]==userId):
userName=self.listUser_Id[i][0]
break
else:
i+=1
lengthMsg=LengthDatagram-14
formatMsg=">"+str(lengthMsg)+"s"
Msg= struct.unpack_from(formatMsg, buf,14)[0]
print Msg
print userName
self.clientProxy.chatMessageReceivedONE(userName,Msg)
#******************************************SendJoinRoomRequestOIE**********************************
def sendJoinRoomRequestOIE(self,roomName):
self.RoomName=roomName # il y'avait self.thisRoomName???
ack_num=0
res=0
ack=0
if (roomName!=ROOM_IDS.MAIN_ROOM):
self.userStatus=userStatus['waitingfMovieRoomUserList']
self.typemsgenvoye="6"
typeMsg=6
msgLength=14
Movie=self.MovieStore.getMovieByTitle(roomName)
print Movie.movieTitle
IpAdressMovie=Movie.movieIpAddress
print IpAdressMovie
MoviePort=Movie.moviePort
buf=ctypes.create_string_buffer(14)
header=(typeMsg<<28)|(ack<<27)|(res<<26)|(ack_num<<13)|(self.seq_num)
Tab=IpAdressMovie.split('.')
print Tab
struct.pack_into(">LHHBBBBH", buf,0,header,msgLength,self.userId,int(Tab[0]),int(Tab[1]),int(Tab[2]),int(Tab[3]),MoviePort)
self.EnvoiMsg(buf)
else:
typeMsg=7
self.userStatus=userStatus['waitingMainRoom']
self.typemsgenvoye="7"
msgLength=8
buf=ctypes.create_string_buffer(8)
header=(typeMsg<<28)|(ack<<27)|(res<<26)|(ack_num<<13)|(self.seq_num)
struct.pack_into(">LHH", buf,0,header,msgLength,self.userId)
self.EnvoiMsg(buf)
print "Request join movie room envoyé"
#**************************SendLeaveSystem******************************************
def sendLeaveSystemRequestOIE(self):
typeMsg=8
self.typemsgenvoye="8"
ack=0
res=0
ack_num=0
lengthDatagram=8
buf = ctypes.create_string_buffer(lengthDatagram)
header=(typeMsg<<28)|(ack<<27)|(res<<26)|(ack_num<<13)|(self.seq_num)
struct.pack_into(">LHH", buf,0,header,lengthDatagram,self.userId)
self.EnvoiMsg(buf)
print "demande de deconnexion envoyee"