Antoine Prieels
f3b5bf6b3f
Events coming from the IoT Box were lost in two cases: 1. Create a listener for device 1 2. Send an action to device 1 --> If the action arrives before the listener the event is never sent to the DB 1. Setup up two listeners for devices 1 & 2 2. After a few seconds, send two consecutive actions to devices 1 & 2 --> Everytime a longpolling request arrives, a new threading.Event object is created. The first action sets the event, then, before the new longpolling request arrives, the second action sets the same event, which is overwritten once the new longpolling request arrives. We now maintain a list of events, and when a longpolling request arrives on the IoT Box, we make sure that all events that occured in the last 5 seconds were received by the DB. If no events were pending, we wait 50 seconds to check if a new one pops up. Taskid: 2320958 X-original-commit: e3260712ce96a8d81bf807574c334d92c37c6ae4
108 lines
4.4 KiB
Python
Executable File
108 lines
4.4 KiB
Python
Executable File
# -*- coding: utf-8 -*-
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# Part of Odoo. See LICENSE file for full copyright and licensing details.
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from base64 import b64decode
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import json
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import logging
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import os
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import subprocess
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import time
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from odoo import http, tools
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from odoo.http import send_file
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from odoo.modules.module import get_resource_path
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from odoo.addons.hw_drivers.event_manager import event_manager
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from odoo.addons.hw_drivers.main import iot_devices, manager
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from odoo.addons.hw_drivers.tools import helpers
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_logger = logging.getLogger(__name__)
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class DriverController(http.Controller):
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@http.route('/hw_drivers/action', type='json', auth='none', cors='*', csrf=False, save_session=False)
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def action(self, session_id, device_identifier, data):
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"""
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This route is called when we want to make a action with device (take picture, printing,...)
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We specify in data from which session_id that action is called
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And call the action of specific device
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"""
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iot_device = iot_devices.get(device_identifier)
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if iot_device:
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iot_device.data['owner'] = session_id
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data = json.loads(data)
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iot_device.action(data)
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return True
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return False
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@http.route('/hw_drivers/check_certificate', type='http', auth='none', cors='*', csrf=False, save_session=False)
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def check_certificate(self):
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"""
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This route is called when we want to check if certificate is up-to-date
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Used in cron.daily
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"""
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helpers.check_certificate()
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@http.route('/hw_drivers/event', type='json', auth='none', cors='*', csrf=False, save_session=False)
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def event(self, listener):
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"""
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listener is a dict in witch there are a sessions_id and a dict of device_identifier to listen
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"""
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req = event_manager.add_request(listener)
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# Search for previous events and remove events older than 5 seconds
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oldest_time = time.time() - 5
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for event in list(event_manager.events):
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if event['time'] < oldest_time:
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del event_manager.events[0]
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continue
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if event['device_identifier'] in listener['devices'] and event['time'] > listener['last_event']:
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event['session_id'] = req['session_id']
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return event
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# Wait for new event
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if req['event'].wait(50):
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req['event'].clear()
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req['result']['session_id'] = req['session_id']
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return req['result']
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@http.route('/hw_drivers/box/connect', type='http', auth='none', cors='*', csrf=False, save_session=False)
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def connect_box(self, token):
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"""
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This route is called when we want that a IoT Box will be connected to a Odoo DB
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token is a base 64 encoded string and have 2 argument separate by |
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1 - url of odoo DB
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2 - token. This token will be compared to the token of Odoo. He have 1 hour lifetime
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"""
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server = helpers.get_odoo_server_url()
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image = get_resource_path('hw_drivers', 'static/img', 'False.jpg')
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if not server:
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credential = b64decode(token).decode('utf-8').split('|')
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url = credential[0]
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token = credential[1]
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if len(credential) > 2:
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# IoT Box send token with db_uuid and enterprise_code only since V13
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db_uuid = credential[2]
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enterprise_code = credential[3]
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helpers.add_credential(db_uuid, enterprise_code)
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try:
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subprocess.check_call([get_resource_path('point_of_sale', 'tools/posbox/configuration/connect_to_server.sh'), url, '', token, 'noreboot'])
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manager.send_alldevices()
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image = get_resource_path('hw_drivers', 'static/img', 'True.jpg')
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helpers.odoo_restart(3)
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except subprocess.CalledProcessError as e:
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_logger.error('A error encountered : %s ' % e.output)
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if os.path.isfile(image):
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with open(image, 'rb') as f:
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return f.read()
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@http.route('/hw_drivers/download_logs', type='http', auth='none', cors='*', csrf=False, save_session=False)
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def download_logs(self):
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"""
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Downloads the log file
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"""
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if tools.config['logfile']:
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res = send_file(tools.config['logfile'], mimetype="text/plain", as_attachment=True)
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res.headers['Cache-Control'] = 'no-cache'
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return res
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