craftbeerpi4-pione/cbpi/extension/httpsensor/__init__.py
2023-01-22 16:37:10 +01:00

127 lines
3.9 KiB
Python

# -*- coding: utf-8 -*-
import asyncio
from aiohttp import web
from cbpi.api import *
import time
import re
import logging
from cbpi.api.dataclasses import NotificationAction, NotificationType
cache = {}
@parameters([Property.Text(label="Key", configurable=True, description="Http Key"),
Property.Number(label="Timeout", configurable="True",unit="sec",description="Timeout in seconds to send notification (default:60)")
])
class HTTPSensor(CBPiSensor):
def __init__(self, cbpi, id, props):
super(HTTPSensor, self).__init__(cbpi, id, props)
self.running = True
self.value = 0
self.timeout=int(self.props.get("Timeout", 60))
self.starttime = time.time()
self.notificationsend = False
self.nextchecktime=self.starttime+self.timeout
async def Confirm(self, **kwargs):
self.nextchecktime = time.time() + self.timeout
self.notificationsend = False
pass
async def message(self):
self.cbpi.notify("HTTPSensor Timeout", "Sensor " + str(self.id) + " did not respond", NotificationType.WARNING, action=[NotificationAction("OK", self.Confirm)])
pass
async def run(self):
'''
This method is executed asynchronousely
In this example the code is executed every second
'''
while self.running is True:
currenttime=time.time()
if currenttime > self.nextchecktime and self.notificationsend == False:
await self.message()
self.notificationsend=True
try:
cache_value = cache.pop(self.props.get("Key"), None)
if cache_value is not None:
self.value = float(cache_value)
self.push_update(self.value)
self.nextchecktime = currenttime + self.timeout
self.notificationsend = False
except Exception as e:
logging.error(e)
pass
await asyncio.sleep(1)
def get_state(self):
# return the current state of the sensor
return dict(value=self.value)
class HTTPSensorEndpoint(CBPiExtension):
def __init__(self, cbpi):
'''
Initializer
:param cbpi:
'''
self.pattern_check = re.compile("^[a-zA-Z0-9,.]{0,10}$")
self.cbpi = cbpi
# register component for http, events
# In addtion the sub folder static is exposed to access static content via http
self.cbpi.register(self, "/httpsensor")
@request_mapping(path="/{key}/{value}", auth_required=False)
async def http_new_value2(self, request):
"""
---
description: Kettle Heater on
tags:
- HttpSensor
parameters:
- name: "key"
in: "path"
description: "Sensor Key"
required: true
type: "string"
- name: "value"
in: "path"
description: "Value"
required: true
type: "integer"
format: "int64"
responses:
"204":
description: successful operation
"""
global cache
key = request.match_info['key']
value = request.match_info['value']
if self.pattern_check.match(key) is None:
return web.json_response(status=422, data={'error': "Key not matching pattern ^[a-zA-Z0-9,.]{0,10}$"})
if self.pattern_check.match(value) is None:
return web.json_response(status=422, data={'error': "Data not matching pattern ^[a-zA-Z0-9,.]{0,10}$"})
cache[key] = value
return web.Response(status=204)
def setup(cbpi):
'''
This method is called by the server during startup
Here you need to register your plugins at the server
:param cbpi: the cbpi core
:return:
'''
cbpi.plugin.register("HTTPSensor", HTTPSensor)
cbpi.plugin.register("HTTPSensorEndpoint", HTTPSensorEndpoint)