我刚学习Python,想找一种方法从服务器向客户端发送数据。我有一个在服务器上运行的监控程序,并希望通过Python服务器向Python客户端发送通知。
这是服务器代码:
from twisted.internet.protocol import Protocol, Factory
from twisted.internet import reactor
import time
class Server(Protocol):
def connectionMade(self):
self.transport.write("data to client")
factory = Factory()
factory.protocol = Server
reactor.listenTCP(8789, factory)
reactor.run()
客户端代码
from twisted.internet.protocol import Protocol, ClientFactory
from sys import stdout
from twisted.internet import reactor
class printData(Protocol):
def dataReceived(self, data):
stdout.write(data)
class ClientFactory(ClientFactory):
def startedConnecting(self, connector):
print 'connecting'
def buildProtocol(self, addr):
print 'Connected.'
return printData()
def clientConnectionLost(self, connector, reason):
print reason
def clientConnectionFailed(self, connector, reason):
print reason
if __name__ == '__main__':
reactor.connectTCP('localhost', 8789, ClientFactory())
reactor.run()
目前我发现如果客户端发送了一条消息,服务器会回复该消息,但是是否有办法在没有等待客户端响应的情况下,仅在客户端可用数据时发送数据到服务器?