Python 在套接字编程中，conn和通道之间有什么区别

我目前正在编写我的第一个基本套接字服务器，我偶然发现了服务器与客户端通信的两种不同形式——线程（我认为在python中使用

conn

）和

通道，我不太理解，但它们似乎是客户端和服务器之间通信的另一种方式。两者之间的区别是什么？如何最好地使用它们

这是要求的代码-请原谅我的错误：）

连接/线程

def clientthread(conn):

    #Sending message to connected client
    #This only takes strings (words)
    conn.send("Welcome to the server. Type something and hit enter\n")

    #loop so that function does not terminate and the thread does not end
    while True:

        #Receiving from client
        data = conn.recv(1024)
        if not data:
            break
        conn.sendall(data)
        print data


    #To close the connection
    conn.close()

while True:

    #Wait to accept a connection - blocking call
    conn, addr = s.accept()
    #display client information (IP address)
    print 'Connected with ' + addr[0] + ':' + str(addr[1])

    #Start new thread takees 1st argument as a function name to be run, second
    #is the tuple of arguments to the function

    start_new_thread(clientthread ,(conn,))

while True:

    #Wait to accept a connection - blocking call
    channel, details = s.accept()
    #display client information (IP address)
    print 'Connected with ', details

    #Start new thread takees 1st argument as a function name to be run, second
    #is the tuple of arguments to the function

    #Sending message to connected client
    #This only takes strings (words)
    intro = "Welcome to the server. Type something and hit enter"
    print channel.recv(len(intro))

    channel.send(intro)

    #loop so that function does not terminate and the thread does not end
    while True:

        #Receiving from client
        data = channel.recv(1024)
        if not data:
            break
        channel.sendall(data)
        print data

频道

def clientthread(conn):

    #Sending message to connected client
    #This only takes strings (words)
    conn.send("Welcome to the server. Type something and hit enter\n")

    #loop so that function does not terminate and the thread does not end
    while True:

        #Receiving from client
        data = conn.recv(1024)
        if not data:
            break
        conn.sendall(data)
        print data


    #To close the connection
    conn.close()

while True:

    #Wait to accept a connection - blocking call
    conn, addr = s.accept()
    #display client information (IP address)
    print 'Connected with ' + addr[0] + ':' + str(addr[1])

    #Start new thread takees 1st argument as a function name to be run, second
    #is the tuple of arguments to the function

    start_new_thread(clientthread ,(conn,))

while True:

    #Wait to accept a connection - blocking call
    channel, details = s.accept()
    #display client information (IP address)
    print 'Connected with ', details

    #Start new thread takees 1st argument as a function name to be run, second
    #is the tuple of arguments to the function

    #Sending message to connected client
    #This only takes strings (words)
    intro = "Welcome to the server. Type something and hit enter"
    print channel.recv(len(intro))

    channel.send(intro)

    #loop so that function does not terminate and the thread does not end
    while True:

        #Receiving from client
        data = channel.recv(1024)
        if not data:
            break
        channel.sendall(data)
        print data

他们做的事情完全一样，除了一个使用
频道
，另一个使用
conn
，
我不知道你在说什么。您可以展开、显示一些示例代码或链接到某些内容吗？我怀疑您正在考虑不同的并发方案（异步、分叉、线程化、队列、greenlet等），这是一个独立于套接字的考虑因素，在客户端和服务器上不必相同。套接字就是套接字。
conn
和
channels
在Python中没有特殊意义-但如果有用的话，
conn=socket（）
有时会出现在代码中。@thomas so。。。它们只是常规变量，因此可以互换？Thanks@xxmbabanexx对-我们都想知道你在说什么，因为你刚才问我们
foo
和
bar
有什么不同。你需要告诉我们控制室和频道是什么，我们不知道。但这还不够——您需要显示一些代码并编写一个更具体的问题。听起来你还没有语言来描述这些。如果你不确定下一步该做什么，学习一些语言或构建一个（或每个语言中的一个），并询问有关代码的问题。顺便说一句，不要使用线程。尝试以异步方式写入服务器。这是最好的模型，您应该学习如何异步编写程序。只需在socket（）上设置非阻塞。