lpcmanager

MQTT SmartehCloud authentication and command support - WIP

17 months ago, Edouard Tisserant
3b80f8199c51
Parents 6868d48a7c7e
Children 8b347ecf35cb
MQTT SmartehCloud authentication and command support - WIP
2 files changed, 77 insertions(+), 2 deletions(-)
  • +3 -2
    LPCExtension.py
  • +74 -0
    LPCMQTT.py
    • --- a/LPCExtension.py Wed Nov 27 11:18:52 2024 +0100
    +++ b/LPCExtension.py Tue Jan 21 09:25:40 2025 +0100
    @@ -22,7 +22,8 @@
    product = GetLPCProduct()
    if product in SOM28_modules + SOM6_modules:
    features.libraries += [('Python', 'py_ext.PythonLibrary', True),
    - ('RTC', SimplePOULibraryFactory(_poulibpath("RTC")), True)]
    + ('RTC', SimplePOULibraryFactory(_poulibpath("RTC")), True),
    + ('MQTT', 'mqtt.MQTTLibrary', True)]
    if product in WX_GOT_modules + SVG_GOT_modules:
    features.libraries += [('GOT', SimplePOULibraryFactory(_poulibpath("GOT")), True)]
    if product in SOM6_modules:
    @@ -45,7 +46,7 @@
    ('lpchmi', _('Smarteh HMI'), _('Create customized HMI'), 'lpchmi.LPCHMI'),
    ('bacnet', _('Bacnet support'), _('Map located variables over Bacnet'), 'LPCBACnet.RootClass'),
    ('modbus', _('Modbus'), _('Map located variables over Modbus'), 'LPCModbus.RootClass'),
    - ('mqtt', _('MQTT client'), _('Map MQTT topics as located variables'), 'mqtt.MQTTClient'),
    + ('mqtt', _('MQTT client'), _('Map MQTT topics as located variables'), 'LPCMQTT.MQTTClient'),
    ('LPCBus', _('LPC bus'), _('Support for Smarteh modules'), 'LPCBus.LPCBus'),
    ('CanOpen', _('CANOpen'), _('Support for CANopen'), 'LPCCanFestival.LPCCanOpen')]
    --- /dev/null Thu Jan 01 00:00:00 1970 +0000
    +++ b/LPCMQTT.py Tue Jan 21 09:25:40 2025 +0100
    @@ -0,0 +1,74 @@
    +
    +from mqtt import MQTTClient, MQTTLibrary
    +import os
    +import re
    +
    +orig_CTNGenerate_C = MQTTClient.CTNGenerate_C
    +def CTNGenerate_C(self, buildpath, locations):
    + location_str = "_".join(map(str, self.GetCurrentLocation()))
    + name_str = self.BaseParams.getName()
    +
    + runtimefile_path = os.path.join(buildpath, "runtime_%s_mqtt_.py" % location_str)
    + runtimefile = open(runtimefile_path, 'w')
    + runtimefile.write("""
    +#!/usr/bin/env python
    +# -*- coding: utf-8 -*-
    +
    +import sys
    +
    +import common_functions
    +from runtime.spawn_subprocess import Popen, call, PIPE
    +
    +LPCTopic = "/smarteh/"+common_functions.getLPCSerialFromMAC()+"/command"
    +
    +def _{location}_topic_callback(topic, payload):
    + print("got data:", payload)
    + proc = Popen([os.path.join(os.path.dirname(common_functions.__file__), 'mqtt_command.sh')], stdin=PIPE)
    + proc.stdin.write(payload)
    + proc.stdin.close()
    +
    +def _runtime_{location}_mqtt_start():
    + MQTT_subscribe("{name}", LPCTopic, _{location}_topic_callback)
    + print("mqtt register", LPCTopic)
    + return
    +
    +def _runtime_{location}_mqtt_stop():
    + print("mqtt stop")
    + return
    +
    +""".format(location = location_str,
    + name = name_str))
    +
    + runtimefile.close()
    +
    + return orig_CTNGenerate_C(self, buildpath, locations) + (
    + ("runtime_%s_mqtt.py" % location_str, open(runtimefile_path, "rb")),)
    +
    +MQTTClient.CTNGenerate_C = CTNGenerate_C
    +
    +orig___init__ = MQTTClient.__init__
    +def __init__(self):
    + if self.new_config:
    + self.SetParamsAttribute(u'MQTTClient.AuthType', u'SmartehCloud')
    + orig___init__(self)
    +MQTTClient.__init__ = __init__
    +
    +xsd_frags = re.split(r'(choice[^>]*>)', MQTTClient.XSD, 1, re.DOTALL)
    +
    +xsd_frags.insert(-1, """
    + <xsd:element name="SmartehCloud"/>
    +""")
    +print(xsd_frags)
    +MQTTClient.XSD = "".join(xsd_frags)
    +
    +orig_GetConfig = MQTTClient.GetConfig
    +def GetConfig(self):
    + res = orig_GetConfig(self)
    + if res["AuthType"] == "SmartehCloud":
    + res.update({
    + "AuthType": "x509",
    + "Verify": True,
    + "KeyStore": "/media/data/keystore/cloud/KeyStore.pem",
    + "TrustStore": "/media/data/keystore/cloud/TrustStore.pem"})
    + return res
    +MQTTClient.GetConfig = GetConfig