#!/bin/env python

# -*- coding: utf-8 -*-

# ------------------------------------------------------------

# opensecurity_service

# 

# turn the opensecurityd into a Windows Service

#

# Autor: Oliver Maurhart, <oliver.maurhart@ait.ac.at>

#

# Copyright 2013-2014 X-Net and AIT Austrian Institute of Technology

# 

# 

#     X-Net Services GmbH

#     Elisabethstrasse 1

#     4020 Linz

#     AUSTRIA

#     https://www.x-net.at

# 

#     AIT Austrian Institute of Technology

#     Donau City Strasse 1

#     1220 Wien

#     AUSTRIA

#     http://www.ait.ac.at

# 

# 

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

# 

#    http://www.apache.org/licenses/LICENSE-2.0

# 

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

# ------------------------------------------------------------

# ------------------------------------------------------------

# imports

import os

import os.path

import time

import servicemanager

import urllib2

import win32event

import win32service

import win32serviceutil

from opensecurity_util import logger

import opensecurityd

# ------------------------------------------------------------

# code

class OpenSecurityService(win32serviceutil.ServiceFramework):

    """This is the OpenSecurity Windows Service,"""

    _svc_name_ = 'OpenSecurityService'

    _svc_display_name_ = 'OpenSecurity Service'

    _svc_description_ = 'OpenSecurity Daemon Service'

    _run = True

    def __init__(self, args):

        """Init the Service"""

        # super call 

        win32serviceutil.ServiceFramework.__init__(self, args)

        self.hWaitStop = win32event.CreateEvent(None, 0, 0, None)

    def SvcStop(self):

        """Stopping the Service"""

        self.log('OpenSecurity Service stopping...\n') 

        self._run = False

        self.ReportServiceStatus(win32service.SERVICE_STOP_PENDING)

        # as we are not running inside the

        # original service process space

        # we got to have some means to shutdown

        # the REST server from a distance ...

        #

        # TODO: find a better secure way to do that

        try:

            r = urllib2.urlopen('http://localhost:8080/terminate', timeout=1)

        except:

            pass

        win32event.SetEvent(self.hWaitStop)

        self.log('OpenSecurity Service stopped...\n') 

    def SvcDoRun(self):

        """Run the Service"""

        self.log('OpenSecurity Service started now')

        servicemanager.LogMsg(servicemanager.EVENTLOG_INFORMATION_TYPE,

                              servicemanager.PYS_SERVICE_STARTED,

                              (self._svc_name_, ''))

        self._run = True

        self.main()

    def log(self, s):

        """log some string to the log file"""

        try:

            logger.debug(s)

        except:

            pass

    def main(self):

        """Main service method"""

        opensecurityd.main()

if __name__ == '__main__':

    """startup"""

    win32serviceutil.HandleCommandLine(OpenSecurityService)