用多个端口、协议和反应器配置Twisted

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1 回答
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提问于 2025-04-30 07:18

请问twisted能否同时在多个端口上监听,并且为每个端口设置不同的处理函数(也就是每个端口有一套不同的回调函数)?简单来说,我想让我的程序在一个进程里同时运行两个服务器,每个服务器执行不同的功能。这样做的话,我需要使用两个反应器吗?

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1 个回答

3

是的,比如说,你可以修改这个报价服务器的例子,让它在另一个端口上再开一个实例,并且这个实例可以返回不同的报价:

from twisted.internet.protocol import Factory, Protocol
from twisted.internet.endpoints import TCP4ServerEndpoint
from twisted.internet import reactor

class QOTD(Protocol):

    def connectionMade(self):
        # self.factory was set by the factory's default buildProtocol:
        self.transport.write(self.factory.quote + '\r\n')
        self.transport.loseConnection()


class QOTDFactory(Factory):

    # This will be used by the default buildProtocol to create new protocols:
    protocol = QOTD

    def __init__(self, quote=None):
        self.quote = quote or 'An apple a day keeps the doctor away'

endpoint = TCP4ServerEndpoint(reactor, 8007)
endpoint.listen(QOTDFactory("configurable quote"))

endpoint2 = TCP4ServerEndpoint(reactor, 8008)
endpoint2.listen(QOTDFactory("another configurable quote"))

reactor.run()

输出结果:

$ nc localhost 8007
configurable quote
$ nc localhost 8008
another configurable quote

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