作为一个练习,我寻找一个简单的Python聊天客户端 - 服务器系统来修改和玩弄。我在系统中发现的第一个主要失败是它使用单个tcp连接让服务器和客户端进行通信。第二个是你只能有两个人(一个使用客户端,另一个使用服务器)进行通信。第三,连续的职位是不可能的。一个人发了一条消息,然后不得不等待另一个人在再次交谈之前发送一条消息。非常,非常有限。Python聊天客户端 - 服务器修改出错可怕
所以我开始穿线它并试验插座。客户端连接到服务器一次,给他们的IP地址,创建一个监听线程,然后重新连接到服务器的消息接收器。 所有帖子都发送到该接收者,它遍历连接的客户端列表,并连接到他们每个人并发送消息(发件人的名字在开头;杂项功能)。 (我知道这样经常打开一个新的连接效率很低,但我想保持TCP连接,直到我有它的工作,然后去UDP)
然而,奇怪的废话开始发生。只要说我有错误91的恶梦。
任何人都可以识别如何呈现此代码可在此结构和功能集内操作吗? (Python版本2.6 yey;忽略了无限循环,这只是一个占位符)
服务器代码:
from socket import *
from time import time, ctime
import Queue, threading
IP = ''
PORT = 5000
PORTPlus = 2
PORTRec = 1000
ADS = (IP, PORT)
namelist = []
clientlist = []
class clientRec(threading.Thread):
def __init__(self):
threading.Thread.__init__(self)
print "I'm this far:", (IP, (PORT + PORTRec))
self.receiver = socket(AF_INET, SOCK_STREAM)
self.receiver.bind((IP, PORT + PORTRec))
self.sender = socket(AF_INET, SOCK_STREAM)
def run(self):
global clientlist, namelist
self.receiver.listen(10)
connected = True
while connected:
tcpcli, addr = receiver.accept()
message = tcpcli.recv(1024) # Accept clien't IP for home-dialing
for i in range(clientlist.__len__()): # For each connected client
try:
sender.connect(clientlist(i)) # connect
sender.send(namelist[i] + message) # and deliver message with sender's name
sender.close()
except:
del clientlist[i], namelist[i]
print "ADS:", (IP, 5000)
handle = clientRec()
tcpsoc = socket(AF_INET, SOCK_STREAM) # Paperwork
tcpsoc.bind(ADS) # Bind self to port
tcpsoc.listen(5) # Listen on that port0
handle.start() # Start thread
# Main
while 1:
print "Waiting for connection"
tcpcli, addr = tcpsoc.accept() # Accept unknown client
print "Connection received; handling..."
namelist.append(tcpcli.recv(1024)) # Accept client's name
client_IP = tcpcli.recv(1024) # Accept clien't IP for home-dialing
client_port = int(tcpcli.recv(1024))# Accept clien't listening port
port_assign = PORT + PORTRec
tcpcli.send(str(port_assign)) # Tell the client that port
tcpcli.close() # Close client connection
clientlist.append((client_IP, client_port))# Add client to send-list
print "Handled."
tcpsoc.close()
客户端代码:
#!/usr/bin/env python
from socket import *
import threading, cgi, os
IP = ''
PORT = 5000
PORTmy = 100
ADS = (IP, PORT)
class iListen(threading.Thread):
def __init__(self):
threading.Thread.__init__(self)
self.receiver = socket(AF_INET, SOCK_STREAM)# Paperwork
self.receiver.bind(('', PORT + PORTmy)) # Listen on that port
self.receiver.listen(5) # Listen for posts
def run(self):
while listening:
tcpcli, addr = receiver.accept() # Accept unknown client
message = tcpcli.recv(1024)
if message == "/q":
listening = False
tcpcli.close()
# Initial CONNECT
myname = raw_input("Tell me yer name partnah: ")
tcpsoc = socket(AF_INET, SOCK_STREAM)
tcpsoc.connect(ADS) # First Connect
tcpsoc.send(myname) # Declare name
tcpsoc.send(gethostbyname(gethostname()))# Give IP address
tcpsoc.send(str(PORT + PORTmy)) # Give listening port
ADS = (IP, int(tcpsoc.recv(1024))) # Get new connect details
tcpsoc.close() # Close old connection
listen = iListen() # Create listener thread
listen.start() # Start listening
# RECONNECT
print ADS
tcpsoc = socket(AF_INET, SOCK_STREAM)
tcpsoc.connect(ADS) # reconnect to new port
connected = True
# Main Chat-loop
while connected:
mes = raw_input(">>>")
tcpsoc.send(mes)
if mes == "/q":
tcpsoc.close()
connected = False
time.sleep(4)
sys.exit()
你可能会得到幸运,并有专人编写代码为你在这里,但我怀疑这一点,partnah。 StackOverflow问题需要更专注一些,看起来不像功课练习。 – msw 2010-11-21 23:11:51
UDP聊天?哈哈很好! PS:修正了缩进... – 2010-11-21 23:14:24
,而不是说“怪异的废话开始发生”,你可能想解释你所看到的详细错误。另外,请尝试将其分解为更简单的示例,以更加明确地分析问题。这将是为了你自己的利益,也可能使问题变得可以回答。 – 2010-11-21 23:14:48