etwist/service.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Mon, 15 Feb 2010 15:14:27 +0100
branchstable
changeset 4577 049d92fc8614
parent 4122 3c3d2a102d4c
child 4719 aaed3f813ef8
permissions -rw-r--r--
[security] we should save back edited_attributes in case of multiple modification of an entity during the same transaction

import os
import os.path as osp
import sys

import win32serviceutil
import win32service
import win32event

from cubicweb.etwist.server import (CubicWebRootResource, reactor, server,
                                    parsePOSTData, channel)

from logging import getLogger, handlers
from cubicweb import set_log_methods
from cubicweb.cwconfig import CubicWebConfiguration as cwcfg

logger = getLogger('cubicweb.twisted')
logger.handlers = [handlers.NTEventLogHandler('cubicweb')]

os.environ['CW_INSTANCES_DIR'] = r'C:\etc\cubicweb.d'
os.environ['USERNAME'] = 'cubicweb'


class CWService(object, win32serviceutil.ServiceFramework):
    _svc_name_ = None
    _svc_display_name_ = None
    instance = None

    def __init__(self, *args, **kwargs):
        win32serviceutil.ServiceFramework.__init__(self, *args, **kwargs)
        self._stop_event = win32event.CreateEvent(None, 0, 0, None)
        cwcfg.load_cwctl_plugins()
        set_log_methods(CubicWebRootResource, logger)
        server.parsePOSTData = parsePOSTData

    def SvcStop(self):
        self.ReportServiceStatus(win32service.SERVICE_STOP_PENDING)
        logger.info('stopping %s service' % self.instance)
        win32event.SetEvent(self._stop_event)
        self.ReportServiceStatus(win32service.SERVICE_STOPPED)

    def SvcDoRun(self):
        self.ReportServiceStatus(win32service.SERVICE_START_PENDING)
        logger = getLogger('cubicweb.twisted')
        logger.info('starting %s service' % self.instance)
        try:
            # create the site
            config = cwcfg.config_for(self.instance)
            root_resource = CubicWebRootResource(config, False)
            website = server.Site(root_resource)
            # serve it via standard HTTP on port set in the configuration
            port = config['port'] or 8080
            logger.info('listening on port %s' % port)
            reactor.listenTCP(port, channel.HTTPFactory(website))
            root_resource.init_publisher()
            root_resource.start_service()
            logger.info('instance started on %s', root_resource.base_url)
            self.ReportServiceStatus(win32service.SERVICE_RUNNING)
            reactor.run()
        except Exception, e:
            logger.error('service %s stopped (cause: %s)' % (self.instance, e))
            logger.exception('what happened ...')
            self.SvcStop()