写作不仅仅是“你好”

Question

如果我的理解是正确的，这个例子中的文档只能写“你好”一次：

from twisted.internet.protocol import DatagramProtocol 
from twisted.internet import reactor 

class Helloer(DatagramProtocol): 

    def startProtocol(self): 
     host = "192.168.1.1" 
     port = 1234 

     self.transport.connect(host, port) 
     print "now we can only send to host %s port %d" % (host, port) 
     self.transport.write("hello") # no need for address 

    def datagramReceived(self, data, (host, port)): 
     print "received %r from %s:%d" % (data, host, port) 

    # Possibly invoked if there is no server listening on the 
    # address to which we are sending. 
    def connectionRefused(self): 
     print "No one listening" 

# 0 means any port, we don't care in this case 
reactor.listenUDP(0, Helloer()) 
reactor.run() 

我有一些问题：

1. 是什么在收到数据报时写入“hello”的好方法？致电startProtocol()datagramReceived()？

2. 假设在接收到数据报之后要写入另一条消息，例如“any home？”。应该实施类AnyoneHome(DatagramProtocol)？但是，它应该如何“链接”到Helloer并且连接到反应堆？

感谢

Answer 1

解决。看起来我可以在datagramReceived()中拨打self.transport.write()。