如何限制socket的接收时间？

如何解决如何限制socket的接收时间？

我有一个可与 select 配合使用的简单套接字。

一段时间过去了，没有任何客户端发送任何东西（不是客户端想要建立第一次连接，而是客户端想要发送数据。但是，第一次连接和非第一次连接的超时也将解决我的问题问题），我想让它做一个socket.timeout异常，表示发送数据的时间已过。

*客户端会收到来自服务器的消息，说它需要建立连接...

我看了这篇文章：

How to set timeout on python's socket recv method?

我已经尝试了 select.selcet() 方法和 socket.settime() 但它不起作用。部分代码如下：

import socket
from select import select

server_socket.bind(("localhost",5649)) # taking control over the port.
server_socket.listen(3) # allowed connections.
print("TCPServer Waiting for client on port",port)
server_socket.setblocking(0)
server_socket.settimeout(2)

readsocks = []
writesocks = []
readsocks.append(server_socket) # adding server socket.
writesocks.append(server_socket)

    while True: # until server socket closes.
        try:
            # the select command selects the wanted actions of a client connecting to a port.
            # all the socket who sent data go to 'readables'.
            # all the socket who are listening to the server's response are in 'writeables'.
            readables,writeables,timeables = select(readsocks,writesocks,[],int(2))
    
            for sockobj in readables: # for all the connected sockets who are sending data.
                if sockobj == server_socket: # if a client wants to connect to a server port.
                    newsock,address = sockobj.accept() # accept the connection.
                    print('Connect:',address,id(newsock))
                    # add the newly connected socket to the list of connected sockets.
                    readsocks.append(newsock)
                    writesocks.append((newsock))

                else: # the client sent a message.
                    data = (sockobj.recv(1024)).decode('utf-8') # Client socket
                    print('\tgot',data,'on',id(sockobj))
                    if not data: # the docket closed.
                        sockobj.close()
                        print(id(sockobj),"closed")
                        # remove the socket from connected dockets to port.
                        readsocks.remove(sockobj)
                        writesocks.remove((sockobj))

                    else: # the socket still works.
                        for socket in writeables:
                            socket.send("Noted.".encode('utf-8'))
        
        except KeyboardInterrupt or ValueError: # the server socket is closing.
            server_socket.close()
            print("server closed")
            break

我想添加这个代码：

except socket.timeout:
        # some action

任何帮助将不胜感激。