# You can run this .tac file directly with:
#    twistd -ny simple.tac

from __future__ import print_function

from twisted.application import service, internet
from twisted.protocols import wire
from twisted.internet import protocol
from twisted.python import util

application = service.Application('test')
s = service.IServiceCollection(application)
factory = protocol.ServerFactory()
factory.protocol = wire.Echo
internet.TCPServer(8080, factory).setServiceParent(s)

internet.TCPServer(8081, factory).setServiceParent(s)
internet.TimerService(5, util.println, "--MARK--").setServiceParent(s)

class Foo(protocol.Protocol):
    def connectionMade(self):
        self.transport.write(b'lalala\n')
    def dataReceived(self, data):
        print(data)

factory = protocol.ClientFactory()
factory.protocol = Foo
internet.TCPClient('localhost', 8081, factory).setServiceParent(s)

class FooService(service.Service):
    def startService(self):
        service.Service.startService(self)
        print('lala, starting')
    def stopService(self):
        service.Service.stopService(self)
        print('lala, stopping')
        print(self.parent.getServiceNamed(self.name) is self)

foo = FooService()
foo.setName('foo')
foo.setServiceParent(s)