service.py 文件源码

def run_service(soledad_sessions, keymanager_sessions, sendmail_opts,
                port=SMTP_PORT, factory=None):
    """
    Main entry point to run the service from the client.

    :param soledad_sessions: a dict-like object, containing instances
                             of a Store (soledad instances), indexed by userid.
    :param keymanager_sessions: a dict-like object, containing instances
                                of Keymanager, indexed by userid.
    :param sendmail_opts: a dict-like object of sendmailOptions.
    :param factory: a factory for the protocol that will listen in the given
                    port

    :returns: the port as returned by the reactor when starts listening, and
              the factory for the protocol.
    :rtype: tuple
    """
    if not factory:
        factory = SMTPFactory(soledad_sessions, keymanager_sessions,
                              sendmail_opts)

    try:
        interface = "localhost"
        # don't bind just to localhost if we are running on docker since we
        # won't be able to access smtp from the host
        if os.environ.get("LEAP_DOCKERIZED"):
            interface = ''

        # TODO Use Endpoints instead --------------------------------
        tport = reactor.listenTCP(port, factory, interface=interface)
        emit_async(catalog.SMTP_SERVICE_STARTED, str(port))

        return tport, factory
    except CannotListenError:
        log.error('STMP Service failed to start: '
                  'cannot listen in port %s' % port)
        emit_async(catalog.SMTP_SERVICE_FAILED_TO_START, str(port))
    except Exception as exc:
        log.error('Unhandled error while launching smtp gateway service')
        log.error('%r' % exc)