Quick fix for thingspeak MQTT daemon on Dragino LG01/ Duinotech XC4394

mqtt_process.sh

#!/bin/sh

#Check If we have set debug
DEBUG=`uci get iot-services.general.debug` 
DEBUG=`echo $DEBUG| awk '{print int($0)}'`

UPDATE_INTERVAL=5

old=`date +%s`

server_type=`uci get mqtt.general.server_type`

# Check if the MQTT Server is pre_config
if [ `uci get mqtt.$server_type` == "general" ];then
	pre_config_server=0
else
	pre_config_server=1
fi

#Set MQTT Server Address [-h]
if [ $pre_config_server -eq 0 ];then
	server=`uci get mqtt.general.server`
else 
	server=`uci get mqtt.$server_type.server`
fi

#Set MQTT Server Port [-p]
if [ $pre_config_server -eq 0 ];then
	port=`uci get mqtt.general.port`
else 
	port=`uci get mqtt.$server_type.port`
fi

#Set MQTT Parameter [-u][-P][-i]
user=`uci get mqtt.general.user_name`
pass=`uci get mqtt.general.password`
clientID=`uci get mqtt.general.client_id`

## Could not be bothered with these: both are hard coded in the loop below

#Set MQTT Publish topic format
#if [ $pre_config_server -eq 0 ];then
#	pub_format=`uci get mqtt.general.topic_format`
#else 
#	pub_format=`uci get mqtt.$server_type.topic_format`
#fi

#Set MQTT Publish data format
#if [ $pre_config_server -eq 0 ];then
#	data_format=`uci get mqtt.general.data_format`
#else 
#	data_format=`uci get mqtt.$server_type.data_format`
#fi

[ $DEBUG -ge 1 ] && logger "[IoT.MQTT]: " "Server:Port" $server:$port
[ $DEBUG -ge 1 ] && logger "[IoT.MQTT]: " "Topic Format: " $pub_format
[ $DEBUG -ge 1 ] && logger "[IoT.MQTT]: " "Data Format: " $data_format


#Run Forever
while [ 1 ]
do
	now=`date +%s`
	if [ `expr $now - $old` -gt $UPDATE_INTERVAL ];then
		old=`date +%s`
		CID=`ls /var/iot/channels/`/
		[ $DEBUG -ge 2 ] && logger "[IoT.MQTT]: " "Check for sensor update"
		[ $DEBUG -ge 2 ] && logger "[IoT.MQTT]: " "Found Local Channels:" $CID
		for channel in $CID; do
			if [ "`uci get mqtt.$channel.local_id`" == "$channel" ]; then
				[ $DEBUG -ge 1 ] && logger "[IoT.MQTT]: " "Find Match Entry for $channel" 
	
				#thingsspeak API topic: 'channels/<remote id>/publish/<client id>'
				remote_id=`uci get mqtt.$channel.remote_id`
				write_KEY=`uci get mqtt.$channel.write_api_key`

				topic=`echo channels/$remote_id/publish/$write_KEY`				
				
				[ $DEBUG -ge 1 ] && logger "[IoT.MQTT]: " "[-t] $topic"	

				#General MQTT Update Data
				data=`cat /var/iot/channels/$channel`
				mqtt_data=`echo $data&status=MQTTPUBLISH`
				[ $DEBUG -ge 1 ] && logger "[IoT.MQTT]: " "[-m] $mqtt_data"
				
				### Send MQTT Command
				mosquitto_pub -h $server -p $port -u $user -P $pass  -i $clientID -t $topic -m $mqtt_data
				
				### Delete the Channel info
				rm /var/iot/channels/$channel
			else
				[ $DEBUG -ge 1 ] && logger "[IoT.MQTT]: " "Do Not Find Match Entry for $channel" 
				rm /var/iot/channels/$channel
			fi
		done
	fi
done

Greetings.

Since ThingSpeak made the changes to its MQTT transmission protocol, my Dragino LG01-P is not transmitting sensor data on my channel.
Does this file solve the problem?