Python socket实现多对多全双工通信

最新推荐文章于 2025-06-10 09:01:14 发布

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最新推荐文章于 2025-06-10 09:01:14 发布 · 8.4k 阅读

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服务器：#server.py

#!/usr/bin/env python
#-*-coding:utf-8-*-
import sys
import struct#将字符串打包为二进制流进行网络传输
import select#
import signal#用于捕获中断信号
import cPickle#将python对象进行序列化:dumps将python对象序列化保存为字符串,loads与之相反
from socket import *
HOST = ''
def send(channel,*args):#发送数据
    buffer = cPickle.dumps(args)
    value = htonl(len(buffer))
    size = struct.pack("L",value)
    channel.send(size)
    channel.send(buffer)
def receive(channel):#接收数据
    size = struct.calcsize("L")
    size = channel.recv(size)
    try:
        size = ntohl(struct.unpack("L",size)[0])#socket.ntohl(参考：http://blog.youkuaiyun.com/tatun/article/details/7194973)
    except struct.error,e:
        return ''
    buf = ''
    while len(buf) < size:
        buf += channel.recv(size-len(buf))
    return cPickle.loads(buf)[0]#恢复python对象

class ChatServer(object):
    def __init__(self,PORT,backlog = 5):
        self.clients = 0
        self.clientmap = {}
        self.outputs = [] #Client会话列表