python多线程服务器

另一个问题是您的客户端线程实际上并未启动.既然你想要一个客户端线程类,这里是如何声明和启动它：

> threading.Thread的子类.
>为您的行为覆盖__init__,但首先在基类中调用__init__.
>覆盖线程工作的运行.
>创建一个实例并调用其start方法.

如果客户端没有发送任何数据,则另一个问题是recv阻塞,因此如果您尝试连接多个客户端,它将挂起在客户端列表上的循环中.您需要每个客户端一个线程或使用select.select查询客户端套接字的读/写准备情况.

下面是让单个客户端响应的更改代码,但它需要处理多个客户端.它还需要设置一个协议来处理消息. TCP是一种流媒体协议(没有消息边界),因此发送’abc’和’123’可能会导致接收’abc123’或’ab’和’c123’等.它必须处理关闭连接并从客户端列表中删除客户端对象.

祝好运！您将从头开始学习如何完成所有这些工作.查看socketserver.py库以及示例代码.

srv.py

import socket
import threading
import struct
import string

class clientThread(threading.Thread):
    def __init__(self,serv):
        threading.Thread.__init__(self)
        self.server = serv
        self.clientList = []
        self.running = True
        print("Client thread created. . .")
    def run(self):
        print("Beginning client thread loop. . .")
        while self.running:
            for client in self.clientList:
                message = client.sock.recv(self.server.BUFFSIZE)
                if message != None and message != "":
                    client.update(message)

class clientObject(object):
    def __init__(self,message):
        self.sock.send("Testamundo.rn".encode())

class Server(object):
    def __init__(self):
        self.HOST = 'localhost'
        self.PORT = 22085
        self.BUFFSIZE = 1024
        self.ADDRESS = (self.HOST,self.PORT)
        self.clientList = []
        input("Press enter to start the server. . .")
        self.running = True
        self.serverSock = socket.socket()
        self.serverSock.bind(self.ADDRESS)
        self.serverSock.listen(2)
        self.clientThread = clientThread(self)
        print("Starting client thread. . .")
        self.clientThread.start()
        print("Awaiting connections. . .")
        while self.running:
            clientInfo = self.serverSock.accept()
            print("Client connected from {}.".format(clientInfo[1]))
            self.clientThread.clientList.append(clientObject(clientInfo))

        self.serverSock.close()
        print("- end -")

serv = Server()

clnt.py

import socket
import string

address = ('localhost',22085)
mySocket = socket.socket()

mySocket.connect(address)
print("Connected successfully!")
mySocket.send('blah'.encode())
print(mySocket.recv(1024))

输出(srv.py)

Press enter to start the server. . .
Client thread created. . .
Starting client thread. . .
Beginning client thread loop. . .
Awaiting connections. . .
Client connected from ('127.0.0.1',52850).

输出(clnt.py)

Connected successfully!
b'Testamundo.rn'