.gitignore

@@ -1,8 +1,5 @@
 src/udi/udi
-src/udi/main
 src/udi/migrate_schema
 tmp/
 ENVDB
 ENVDB.cluster
-deployment/secrets.txt
-deployment/secrets

.woodpecker.yml

@@ -1,55 +1,9 @@
 steps:
   build:
-    image: golang:1.22.5-alpine3.20
-    commands:
-      - GOPATH=/woodpecker/go
-      - cd src/udi
-      - go mod tidy
-      - go build -a -installsuffix nocgo -o udi main.go
-      - cp udi ../..
-    when:
-      - event: [push, tag]
-
-  scan:
-    image: quay.io/wollud1969/woodpecker-helper:0.5.1
-    environment:
-      TRIVY_TOKEN:
-        from_secret: trivy_token
-      TRIVY_URL:
-        from_secret: trivy_url
-      DTRACK_API_KEY:
-        from_secret: dtrack_api_key
-      DTRACK_API_URL:
-        from_secret: dtrack_api_url
-    commands:
-      - export GOPATH=/woodpecker/go   # the export is required, otherwise trivy will not consider the variable
-      - HOME=/home/`id -nu`
-      - TAG="${CI_COMMIT_TAG:-$CI_COMMIT_SHA}"
-      - |
-        trivy fs \
-              --server $TRIVY_URL \
-              --token $TRIVY_TOKEN \
-              --format cyclonedx \
-              --scanners license \
-              --output /tmp/sbom.xml \
-              .        
-      - cat /tmp/sbom.xml
-      - |
-        curl -X "POST" \
-             -H "Content-Type: multipart/form-data" \
-             -H "X-Api-Key: $DTRACK_API_KEY" \
-             -F "autoCreate=true" \
-             -F "projectName=$CI_REPO" \
-             -F "projectVersion=$TAG" \
-             -F "bom=@/tmp/sbom.xml"\
-             "$DTRACK_API_URL/api/v1/bom"        
-    when:
-      - event: [push, tag]
-
-  dockerize:
     image: plugins/kaniko
     settings:
-      repo: ${FORGE_NAME}/${CI_REPO}
+      repo:
+        from_secret: image_name
       registry: 
         from_secret: container_registry
       tags: latest,${CI_COMMIT_SHA},${CI_COMMIT_TAG}
@@ -62,18 +16,17 @@ steps:
       - event: [push, tag]
 
   deploy:
-    image: quay.io/wollud1969/woodpecker-helper:0.5.1
+    image: portainer/kubectl-shell:latest
-    environment:
+    secrets:
-      KUBE_CONFIG_CONTENT:
+      - source: kube_config
-        from_secret: kube_config
+        target: KUBE_CONFIG_CONTENT
-      ENCRYPTION_KEY:
+      - source: image_name
-        from_secret: encryption_key
+        target: IMAGE_NAME
-      MD5_CHECKSUM:
-        from_secret: secrets_checksum
     commands:
-      - export IMAGE_TAG=$CI_COMMIT_TAG
       - printf "$KUBE_CONFIG_CONTENT" > /tmp/kubeconfig
       - export KUBECONFIG=/tmp/kubeconfig
-      - ./deployment/deploy.sh
+      - for N in "udi udi-pg"; do
+          cat $CI_WORKSPACE/deployment/deploy-yml.tmpl | sed -e 's,%IMAGE%,'$IMAGE_NAME':'$CI_COMMIT_TAG',' | kubectl apply -n $N -f - 
+        done
     when:
       - event: tag

Dockerfile

@@ -1,8 +1,16 @@
+FROM golang:1.21-alpine as builder
+
+RUN mkdir -p /go/src
+COPY ./src/ /go/src
+WORKDIR /go/src/udi
+RUN go build -a -installsuffix nocgo -o udi main.go
+
+
 FROM scratch
 
 ENV UDI_CONF ""
 
-COPY udi ./
+COPY --from=builder /go/src/udi ./
-
 ENTRYPOINT ["./udi"]
 
+

deployment/decrypt-secrets.sh

@@ -1,44 +0,0 @@
-#!/bin/bash
-
-if [ "$ENCRYPTION_KEY" = "" ]; then
-  echo "ENCRYPTION_KEY not set"
-  exit 1
-fi
-
-if [ "$MD5_CHECKSUM" = "" ]; then
-  echo "No checksum given"
-  exit 1
-fi
-
-
-SECRETS_CIPHERTEXT_FILE=secrets.enc
-SECRETS_PLAINTEXT_FILE=/tmp/secrets
-TMP_FILE=`mktemp`
-POD_NAME_SUFFIX=`date +%s`
-
-cat $SECRETS_CIPHERTEXT_FILE | \
-  kubectl run openssl-$POD_NAME_SUFFIX \
-    --rm \
-    --image bitnami/debian-base-buildpack:latest \
-    --env KEY=$ENCRYPTION_KEY \
-    -i \
-    -q \
-    -- \
-    /bin/sh -c "openssl enc -aes-256-cbc -salt -pass env:KEY -a -d" > \
-    $TMP_FILE
-
-if [ `uname` = "Darwin" ]; then
-  CALCULATED_CHECKSUM=`cat $TMP_FILE | md5`
-elif [ `uname` = "Linux" ]; then
-  CALCULATED_CHECKSUM=`cat $TMP_FILE | md5sum - | awk '{print $1}'`
-fi
-
-if [ "$MD5_CHECKSUM" != "$CALCULATED_CHECKSUM" ]; then
-  echo "Invalid checksum"
-  exit 1
-fi
-
-#cat $TMP_FILE
-mv $TMP_FILE $SECRETS_PLAINTEXT_FILE
-
-

deployment/deploy-yml.tmpl

@@ -1,7 +1,7 @@
 apiVersion: v1
 kind: PersistentVolumeClaim
 metadata:
-  name: %PRE%-udi-archive
+  name: udi-archive
 spec:
   accessModes:
     - ReadWriteOnce
@@ -13,11 +13,11 @@ spec:
 apiVersion: apps/v1
 kind: Deployment
 metadata:
-  name: %PRE%-udi
+  name: udi
   labels:
     app: udi
   annotations:
-    secret.reloader.stakater.com/reload: "%PRE%-udi-conf,%PRE%-udi-db-cred,%PRE%-mqtt-password"
+    secret.reloader.stakater.com/reload: "udi-conf,udi-db-cred,mqtt-password"
 spec:
   replicas: 1
   selector:
@@ -33,16 +33,16 @@ spec:
           image: %IMAGE%
           envFrom:
             - secretRef: 
-                name: %PRE%-udi-db-cred
+                name: udi-db-cred
             - secretRef:
-                name: %PRE%-mqtt-password
+                name: mqtt-password
-            - configMapRef:
+            - secretRef:
-                name: %PRE%-udi-conf
+                name: udi-conf
           volumeMounts:
             - mountPath: /archive
               name: udi-archive
       volumes:
         - name: udi-archive
           persistentVolumeClaim:
-            claimName: %PRE%-udi-archive
+            claimName: udi-archive
 

deployment/deploy.sh

@@ -1,92 +0,0 @@
-#!/bin/bash
-
-if [ "$IMAGE_TAG" == "" ]; then
-  echo "Make sure IMAGE_TAG is set"
-  exit 1
-fi
-
-
-IMAGE_NAME=$FORGE_NAME/$CI_REPO
-
-CONFIG_FILE=config.json
-
-
-DEPLOYMENT_DIR=$PWD/deployment
-INSTANCES_DIR=$DEPLOYMENT_DIR/instances
-
-pushd $DEPLOYMENT_DIR > /dev/null
-./decrypt-secrets.sh || exit 1 
-. /tmp/secrets
-rm /tmp/secrets
-popd > /dev/null
-
-for NAMESPACE_DIR in `find $INSTANCES_DIR -type d -mindepth 1 -maxdepth 1`; do
-  NAMESPACE=`basename $NAMESPACE_DIR`
-  echo "Namespace: $NAMESPACE"
-
-  kubectl create namespace $NAMESPACE \
-    --dry-run=client \
-    -o yaml | \
-    kubectl -f - apply
-
-  pushd $NAMESPACE_DIR > /dev/null
-  for INSTANCE_DIR in `find . -type d -mindepth 1 -maxdepth 1`; do
-    pushd $INSTANCE_DIR > /dev/null
-    INSTANCE=`basename $INSTANCE_DIR`
-    echo "Instance: $INSTANCE"
-
-    # set secret configuration from encrypted and decrypted file
-    VARIABLE_PREFIX=`echo "$NAMESPACE""_""$INSTANCE" | tr - _`
-
-    
-    # set MQTT_PASSWORD as secret
-    MQTT_PASSWORD_VARIABLE=$VARIABLE_PREFIX"_MQTT_PASSWORD"
-    MQTT_PASSWORD="${!MQTT_PASSWORD_VARIABLE}"
-    # echo "MQTT_PASSWORD_VARIABLE: $MQTT_PASSWORD_VARIABLE"
-    # echo "MQTT_PASSWORD: $MQTT_PASSWORD"
-    kubectl create secret generic $INSTANCE-mqtt-password \
-      --from-literal=MQTT_PASSWORD="$MQTT_PASSWORD" \
-      --dry-run=client \
-      -o yaml \
-      --save-config | \
-      kubectl apply -f - -n $NAMESPACE
-
-
-    LOGIN_VARIABLE=$VARIABLE_PREFIX"_PGUSER"
-    NEW_UDI_DB_LOGIN="${!LOGIN_VARIABLE}"
-    PASSWORD_VARIABLE=$VARIABLE_PREFIX"_PGPASSWORD"
-    NEW_UDI_DB_PASSWORD="${!PASSWORD_VARIABLE}"
-    DATABASE_VARIABLE=$VARIABLE_PREFIX"_PGDATABASE"
-    NEW_UDI_DB_DATABASE="${!DATABASE_VARIABLE}"
-    NEW_UDI_DB_HOST=database.database1.svc.cluster.local
-
-    kubectl create secret generic $INSTANCE-udi-db-cred \
-      --dry-run=client \
-      -o yaml \
-      --save-config \
-      --from-literal=PGUSER="$NEW_UDI_DB_LOGIN" \
-      --from-literal=PGPASSWORD="$NEW_UDI_DB_PASSWORD" \
-      --from-literal=PGDATABASE="$NEW_UDI_DB_DATABASE" \
-      --from-literal=PGHOST="$NEW_UDI_DB_HOST" \
-      --from-literal=PGSSLMODE="require" | \
-      kubectl apply -f - -n $NAMESPACE
-
-    # set configuration as configMap
-    kubectl create configmap $INSTANCE-udi-conf \
-      --from-literal=UDI_CONF="`cat $CONFIG_FILE`" \
-      --dry-run=client \
-      -o yaml \
-      --save-config | \
-      kubectl apply -f - -n $NAMESPACE
-
-    # prepare k8s deployment statement
-    cat $DEPLOYMENT_DIR/deploy-yml.tmpl | \
-      sed -e 's,%IMAGE%,'$IMAGE_NAME':'$IMAGE_TAG','g | \
-      sed -e 's,%PRE%,'$INSTANCE','g | \
-      kubectl apply -f - -n $NAMESPACE
-
-    popd > /dev/null
-  done
-  popd > /dev/null
-done
-

deployment/encrypt-secrets.sh

@@ -1,27 +0,0 @@
-#!/bin/bash
-
-ENCRYPTION_KEY=`openssl rand -hex 32`
-echo $ENCRYPTION_KEY
-
-SECRETS_PLAINTEXT_FILE=secrets.txt
-SECRETS_CIPHERTEXT_FILE=secrets.enc
-
-if [ `uname` = "Darwin" ]; then
-  cat $SECRETS_PLAINTEXT_FILE | md5
-elif [ `uname` = "Linux" ]; then
-  cat $SECRETS_PLAINTEXT_FILE | md5sum - | awk '{print $1}'
-fi
-
-POD_NAME_SUFFIX=`date +%s`
-
-cat $SECRETS_PLAINTEXT_FILE | \
-  kubectl run openssl-$POD_NAME_SUFFIX \
-    --rm \
-    --image bitnami/debian-base-buildpack:latest \
-    --env KEY=$ENCRYPTION_KEY \
-    -i \
-    -q \
-    -- \
-    /bin/sh -c "openssl enc -aes-256-cbc -salt -pass env:KEY -a" > \
-    $SECRETS_CIPHERTEXT_FILE
-

deployment/instances/udi-saerbeck/default/config.json

@@ -1,22 +0,0 @@
-{
-  "mqtt": {
-    "broker": "ssl://eu1.cloud.thethings.network:8883",
-    "username": "de-hottis-saerbeck-monitoring@ttn",
-    "password": "ENV",
-    "tlsEnable": "true"
-  },
-  "topicMappings": [
-    {
-      "topics": [ "v3/#" ],
-      "handler": "TTN",
-      "id": "TTN0",
-      "config": {
-        "attributes": {
-        }
-      }
-    }
-  ],
-  "archiver": {
-    "dir": "/archive"
-  }
-}

deployment/instances/udi-saerbeck/level/config.json

@@ -1,22 +0,0 @@
-{
-  "mqtt": {
-    "broker": "ssl://eu1.cloud.thethings.network:8883",
-    "username": "de-hottis-level-monitoring@ttn",
-    "password": "ENV",
-    "tlsEnable": "true"
-  },
-  "topicMappings": [
-    {
-      "topics": [ "v3/#" ],
-      "handler": "TTN",
-      "id": "TTN0",
-      "config": {
-        "attributes": {
-        }
-      }
-    }
-  ],
-  "archiver": {
-    "dir": "/archive"
-  }
-}

deployment/instances/udi-saerbeck/soil/config.json

@@ -1,22 +0,0 @@
-{
-  "mqtt": {
-    "broker": "ssl://eu1.cloud.thethings.network:8883",
-    "username": "de-hottis-lora-test1@ttn",
-    "password": "ENV",
-    "tlsEnable": "true"
-  },
-  "topicMappings": [
-    {
-      "topics": [ "v3/#" ],
-      "handler": "TTN",
-      "id": "TTN0",
-      "config": {
-        "attributes": {
-        }
-      }
-    }
-  ],
-  "archiver": {
-    "dir": "/archive"
-  }
-}

deployment/instances/udi/soil/config.json

@@ -1,22 +0,0 @@
-{
-  "mqtt": {
-    "broker": "ssl://eu1.cloud.thethings.network:8883",
-    "username": "de-hottis-app01@ttn",
-    "password": "ENV",
-    "tlsEnable": "true"
-  },
-  "topicMappings": [
-    {
-      "topics": [ "v3/#" ],
-      "handler": "TTN",
-      "id": "TTN0",
-      "config": {
-        "attributes": {
-        }
-      }
-    }
-  ],
-  "archiver": {
-    "dir": "/archive"
-  }
-}

deployment/load-config.sh

@@ -0,0 +1,55 @@
+#!/bin/bash
+
+FILE=$1
+if [ "$FILE" = "" ]; then
+  echo "give config file to load as first argument"
+  exit 1
+fi
+MQTT_PASSWORD=$2
+if [ "$MQTT_PASSWORD" = "" ]; then
+  echo "give mqtt password as second argument"
+  exit 1
+fi
+NAMESPACE=$3
+if [ "$NAMESPACE" = "" ]; then
+  echo "give namespace as third argument"
+  exit 1
+fi
+
+kubectl create secret generic udi-conf \
+  --from-literal=UDI_CONF="`cat $FILE`" \
+  -n $NAMESPACE \
+  --dry-run=client \
+  -o yaml \
+  --save-config | \
+kubectl apply -f -
+
+kubectl create secret generic mqtt-password \
+  --from-literal=MQTT_PASSWORD="$MQTT_PASSWORD" \
+  -n $NAMESPACE \
+  --dry-run=client \
+  -o yaml \
+  --save-config | \
+kubectl apply -f -
+
+. ~/Workspace/MyKubernetesEnv/ENVDB
+DATABASE="udi-$NAMESPACE"
+LOGIN="udi-$NAMESPACE"
+PASSWORD=`openssl rand -base64 24` 
+psql <<EOF
+ALTER USER "$LOGIN" WITH PASSWORD '$PASSWORD';
+GRANT ALL PRIVILEGES ON DATABASE "$DATABASE" TO "$LOGIN";
+COMMIT;
+EOF
+
+kubectl create secret generic udi-db-cred \
+  --dry-run=client \
+  -o yaml \
+  --save-config \
+  --from-literal=PGUSER="$LOGIN" \
+  --from-literal=PGHOST="timescaledb.database.svc.cluster.local" \
+  --from-literal=PGPASSWORD="$PASSWORD" \
+  --from-literal=PGSSLMODE="require" \
+  --from-literal=PGDATABASE="$DATABASE" | \
+kubectl apply -f - -n $NAMESPACE
+

deployment/secrets.enc

@@ -1,38 +0,0 @@
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-lXSmNdt1cdFw/UfZ1x1OlGm/fqLh/j/rWPgEc6BwEcDFDEXpTucTjUHNDonYNH8j
-eDWeAGokfguqgQG16CBLHdeyocP0kTPJSrIKQgG1Mzzck/kfB1Z6Ggv4z5KEx2dy
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queries/berresheim.sql

@@ -1,8 +0,0 @@
-create or replace view level_v as
-  select time, 
-         cast(values->'CorrectedDistance'->>'value' as float) as level,
-         cast(values->'Battery'->>'value' as float) as battery,
-         attributes->>'Status' as status,
-         device
-    from measurements
-    where application = 'de-hottis-level-monitoring';

queries/hottis.sql

@@ -43,106 +43,5 @@ create or replace view temperature_v as
          cast(values->'Value'->>'value' as float) as temperature,
          device
     from measurements
-    where application in ('Temperature Multisensor', 'Temperature Shelly Plus HT')
+    where application in ('Temperature Multisensor', 'Temperature Shelly Plus HT');
-  union
-  select time,
-         cast(values->'Temperature'->>'value' as float) as temperature,
-         device
-    from measurements
-    where application = 'Zigbee2MQTT Hottis Eupenstr.' and
-          attributes->>'DeviceModel' in ('WSDCGQ11LM', 'WSDCGQ01LM');
-
-create or replace view voltage_v as
-  select time,
-         cast(values->'Voltage'->>'value' as float) / 1000 as voltage,
-         device
-    from measurements
-    where application = 'Zigbee2MQTT Hottis Eupenstr.' and
-          attributes->>'DeviceModel' in ('WSDCGQ11LM', 'WSDCGQ01LM');
-
-create or replace view temperature2_v as
-  select time,
-         cast(values->'Value'->>'value' as float) as temperature,
-         device
-    from measurements
-    where application = 'Temperature Wago';
-
-create or replace view humidity_v as
-  select time,
-         cast(values->'Value'->>'value' as float) as humidity,
-         device
-    from measurements
-    where application in ('Humidity Multisensor')
-  union
-  select time,
-         cast(values->'Humidity'->>'value' as float) as temperature,
-         device
-    from measurements
-    where application = 'Zigbee2MQTT Hottis Eupenstr.' and
-          attributes->>'DeviceModel' in ('WSDCGQ11LM', 'WSDCGQ01LM');
-
-create or replace view soil_v as
-  select time,
-         cast(values->'Water'->>'value' as float) as water,
-         cast(values->'Conductance'->>'value' as float) as conductance,
-         cast(values->'Temperature'->>'value' as float) as temperature,
-         device
-    from measurements
-    where application = 'de-hottis-app01' and attributes->>'DeviceType' = 'dragino-lse01';
-
-create or replace view co2_v as
-  select time,
-         cast(m.values->'CO2concentration'->>'value' as float) as co2concentration,
-         cast(m.values->'Humidity'->>'value' as float) as humidity,
-         cast(m.values->'Temperature'->>'value' as float) as temperature,
-         cast(m.values->'Brightness'->>'value' as int) as brightness,
-         m.device as device,
-         d.attributes->>'Label' as label 
-    from measurements m, devices d
-    where m.application = 'de-hottis-app01' and 
-          m.attributes->>'DeviceType' = 'hottis-scd30' and
-          m.device = d.label;
-
-create or replace view locative_v as
-  select time,
-         device as person,
-         values->'Location'->>'value' as location,
-         values->'Trigger'->>'value' as direction
-    from measurements
-    where application = 'Locative';
-
-create or replace view router_v as
-  select time,
-         device,
-         cast(values->'wan-in'->>'value'  as int) as wanInOctetsPerSeconds,
-         cast(values->'wan-out'->>'value'  as int) as wanOutOctetsPerSeconds
-    from measurements
-    where application = 'SNMP' and device = '172.16.3.1';
-
-create or replace view lora_sht21_v as
-  select time,
-         cast(values->'Humidity'->>'value' as float) as humidity,
-         cast(values->'Temperature'->>'value' as float) as temperature,
-         m.device as device,
-         d.attributes->>'Label' as label
-    from measurements m, devices d
-    where m.application = 'de-hottis-app01' and 
-          m.attributes->>'DeviceType' = 'hottis-gy21' and
-          m.device = d.label;
-
-create or replace view ntp_server_snmp_v as
-  select time,
-         device,
-         cast(values->'load1'->>'value'  as float) as laLoad1,
-         cast(values->'lan-in'->>'value'  as int) as lanInOctetsPerSeconds,
-         cast(values->'lan-out'->>'value'  as int) as lanOutOctetsPerSeconds
-    from measurements
-    where application = 'SNMP' and device = '172.16.13.10';
-
-create or replace view ntp_server_variables_v as
-  select time,
-         device,
-         cast(values->'rootdisp'->>'value'  as float) as rootdisp
-    from measurements
-    where application = 'TSM' and device = '172.16.13.10';
 

queries/old-daily-temperature-query.sql

@@ -1,11 +0,0 @@
-select
-        extract('day' from time)::varchar || '.' || extract('month' from time)::varchar || '.' || extract('year' from time)::varchar as day,
-        avg(temperature)::numeric(10,0) as temperature
-    from room_climate_measurement_t
-    where
-        category = 'Outdoor' and
-        location = 'Outdoor' and
-        extract('hour' from time) = 12 and
-        time::date = now()::date
-    group by day
-

queries/old-pv-yield-query.sql

@@ -1,73 +0,0 @@
--- query
-
-with 
-    first_day_in_year as (
-        select 
-                date_trunc('day', min(time)) as day
-            from pv_power_measurement_t
-            where 
-                time between date_trunc('year', time) and now()
-    ),
-    first_value_in_year as (
-        select 
-                time_bucket('1 day', time) as interval,
-                first(exportenergyactive, time) as energy
-            from pv_power_measurement_t
-            where 
-                time between (select day from first_day_in_year) and (select day from first_day_in_year) + interval '1 day' and
-                status = 'Ok'
-            group by interval
-    ),
-    first_day_in_month as (
-        select 
-                date_trunc('day', min(time)) as day
-            from pv_power_measurement_t
-            where 
-                time between date_trunc('month', now()) and now()
-    ),
-    first_value_in_month as (
-        select 
-                time_bucket('1 day', time) as interval,
-                first(exportenergyactive, time) as energy
-            from pv_power_measurement_t
-            where 
-                time between (select day from first_day_in_month) and (select day from first_day_in_month) + interval '1 day' and
-                status = 'Ok'
-            group by interval
-    ),
-    first_value_in_day as (
-        select
-                time_bucket('1 day', time) as interval,
-                first(exportenergyactive, time) as energy
-            from pv_power_measurement_t
-            where time >= date_trunc('day', now())
-            group by interval
-    ),
-    last_value as (
-        select  
-                time_bucket('1 day', time) as interval,
-                last(exportenergyactive, time) as energy
-            from pv_power_measurement_t
-            where 
-                time between date_trunc('day', now()) and date_trunc('day', now()) + interval '1 day' and
-                status = 'Ok'
-            group by interval
-    )
-    select
-        extract(year from (select day from first_day_in_year))::text as period_value,
-        'Year' as period_name,
-        round(((select energy from last_value) - (select energy from first_value_in_year))::numeric, 2) as yield
-    union
-    select
-        to_char((select day from first_day_in_month), 'Month') as period_value,
-        'Month' as period_name,
-        round(((select energy from last_value) - (select energy from first_value_in_month))::numeric, 2) as yield
-    union
-    select
-        now()::date::text as period_value,
-        'Day' as period_name,
-        round(((select energy from last_value) - (select energy from first_value_in_day))::numeric, 2) as yield;
-
--- output format
--- wn@atuin:~/Workspace/go-workspace/src/universal-data-ingest  [main ≡ +0 ~1 -0 !]$ mosquitto_sub -h 172.23.1.102 -v -t IoT/PV/Yields
--- IoT/PV/Yields {"Month":"1.43","Year":"285.39","Day":"0.00"}

queries/pg.sql

@@ -1,14 +0,0 @@
-create or replace view power_v as
-  select time,
-         cast(values->'ActivePowerL1'->>'value' as float) as power_l1,
-         cast(values->'ActivePowerL2'->>'value' as float) as power_l2,
-         cast(values->'ActivePowerL3'->>'value' as float) as power_l3,
-         cast(values->'ActivePowerL123'->>'value' as float) as power_total,
-         cast(values->'PowerfactorL1'->>'value' as float) as factor_l1,
-         cast(values->'PowerfactorL2'->>'value' as float) as factor_l2,
-         cast(values->'PowerfactorL3'->>'value' as float) as factor_l3,
-         device
-    from measurements
-    where application = 'com-passavant-geiger-poc' and
-          attributes->>'FPort' = '1';
-

queries/saerbeck.sql

@@ -1,44 +0,0 @@
-create or replace view badesee_temperature_v as
-  select time, 
-         cast(values->'Temp_Red'->>'value' as float) as Temp1,
-         cast(values->'Temp_White'->>'value' as float) as Temp2,
-         cast(values->'Temp_Black'->>'value' as float) as Temp3,
-         cast(values->'Battery'->>'value' as float) as battery,
-         attributes->>'Status' as status,
-         device
-    from measurements
-    where application = 'de-hottis-saerbeck-monitoring' and
-          device = 'eui-a84041318187ec13';
-
-create or replace view cubecell_threeway_temperature2_v as
-  select time,
-         cast(values->'Temperature2'->>'value' as float) as value,
-         values->'Temperature2'->>'label' as label
-    from measurements
-    where application = 'de-hottis-saerbeck-monitoring' and
-    device = 'eui-70b3d57ed0068fa4';
-
-create or replace view cubecell_threeway_temperature1_v as
-  select time,
-         cast(values->'Temperature1'->>'value' as float) as value,
-         values->'Temperature1'->>'label' as label
-    from measurements
-    where application = 'de-hottis-saerbeck-monitoring' and
-    device = 'eui-70b3d57ed0068fa4';
-
-create or replace view cubecell_threeway_temperature3_v as
-  select time,
-         cast(values->'Temperature3'->>'value' as float) as value,
-         values->'Temperature3'->>'label' as label
-    from measurements
-    where application = 'de-hottis-saerbeck-monitoring' and
-    device = 'eui-70b3d57ed0068fa4';
-
-create or replace view cubecell_threeway_battery_v as
-  select time,
-         cast(values->'Battery'->>'value' as float) as value,
-         values->'Battery'->>'label' as label
-    from measurements
-    where application = 'de-hottis-saerbeck-monitoring' and
-    device = 'eui-70b3d57ed0068fa4';
-

src/udi/ENVDB.udi

@@ -1,6 +1,6 @@
-PGUSER="udi-hottis"
+PGUSER="udi"
 PGHOST=`kubectl get services traefik -n system -o jsonpath="{.status.loadBalancer.ingress[0].ip}"`
-PGPASSWORD=`kubectl get secrets default-udi-db-cred -n udi -o jsonpath="{.data.PGPASSWORD}" | base64 --decode`
+PGPASSWORD=`kubectl get secrets udi-db-cred -n udi -o jsonpath="{.data.PGPASSWORD}" | base64 --decode`
 PGSSLMODE=require
 PGDATABASE="uditest"
 export PGUSER PGHOST PGPASSWORD PGSSLMODE PGDATABASE

src/udi/ENVDB.udiload

@@ -1,14 +0,0 @@
-if [ "$1" = "" ]; then
-  echo "set namespace as argument"
-fi
-N=$1
-if [ "$2" = "" ]; then
-  echo "set instance as argument"
-fi
-I=$2
-PGHOST=`kubectl get services traefik -n system -o jsonpath="{.status.loadBalancer.ingress[0].ip}"`
-PGPASSWORD=`kubectl get secrets $I-udi-db-cred -n $N -o jsonpath="{.data.PGPASSWORD}" | base64 --decode`
-PGUSER=`kubectl get secrets $I-udi-db-cred -n $N -o jsonpath="{.data.PGUSER}" | base64 --decode`
-PGSSLMODE=`kubectl get secrets $I-udi-db-cred -n $N -o jsonpath="{.data.PGSSLMODE}" | base64 --decode`
-PGDATABASE=`kubectl get secrets $I-udi-db-cred -n $N -o jsonpath="{.data.PGDATABASE}" | base64 --decode`
-export PGUSER PGHOST PGPASSWORD PGSSLMODE PGDATABASE

src/udi/config-iot-cluster.json

@@ -4,54 +4,6 @@
     "tlsEnable": "false"
   },
   "topicMappings": [
-    {
-      "topics": [ "snmp" ],
-      "handler": "PREP",
-      "id": "SNMP",
-      "config": {
-        "attributes": {
-        }
-      }
-    },
-    {
-      "topics": [ "tsm" ],
-      "handler": "PREP",
-      "id": "TSM",
-      "config": {
-        "attributes": {
-        }
-      }
-    },
-    {
-      "topics": [ "dt1/ai/periodic/1" ],
-      "handler": "DT1T",
-      "id": "DT1T.0",
-      "config": {
-        "attributes": {
-          "Application": "Temperature Wago",
-          "Device": "Freezer",
-          "HardLow": "-273",
-          "SoftLow": "-50",
-          "SoftHigh": "20",
-          "HardHigh": "100"
-        }
-      }
-    },
-    {
-      "topics": [ "dt1/ai/periodic/3" ],
-      "handler": "DT1T",
-      "id": "DT1T.1",
-      "config": {
-        "attributes": {
-          "Application": "Temperature Wago",
-          "Device": "Outdoor",
-          "HardLow": "-273",
-          "SoftLow": "-60",
-          "SoftHigh": "60",
-          "HardHigh": "100"
-        }
-      }
-    },
     {
       "topics": [ "IoT/PV/Values" ],
       "handler": "PV",
@@ -62,16 +14,6 @@
         }
       }
     },
-    {
-      "topics": [ "locative/event/#" ],
-      "handler": "Locative",
-      "id": "Locative",
-      "config": {
-        "databaseConnStr": "",
-        "attributes": {
-        }
-      }
-    },
     {
       "topics": [ "IoT/MBGW3/Measurement" ],
       "handler": "MBGW3",
@@ -128,16 +70,6 @@
         }
       }
     },
-    {
-      "topics": [ "zigbee2mqtt/+" ],
-      "handler": "Z2M",
-      "id": "Z2M",
-      "config": {
-        "databaseConnStr": "",
-        "attributes": {
-        }
-      }
-    },
     {
       "topics": [ "shellyplusht/+/status/temperature:0" ],
       "handler": "SVEJ",

src/udi/config-iot.json

@@ -0,0 +1,105 @@
+{
+  "mqtt": {
+    "broker": "mqtt://172.23.1.102:1883",
+    "tlsEnable": "false"
+  },
+  "topicMappings": [
+    {
+      "topics": [ "IoT/PV/Values" ],
+      "handler": "PV",
+      "id": "PV",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+        }
+      }
+    },
+    {
+      "topics": [ "IoT/MBGW3/Measurement" ],
+      "handler": "MBGW3",
+      "id": "MBGW3",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+        }
+      }
+    },
+    {
+      "topics": [ "IoT/OneWireGW/Bus 1/#" ],
+      "handler": "SVER",
+      "id": "SVER0",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+          "application": "Temperature Heating",
+          "payloadRegex": "(\\d+(\\.\\d+)?)\\s*([^0-9\\s]\\S*)",
+          "deviceFrom": "topic", 
+          "devicePart": "3",
+          "valueFrom": "payload",
+          "valuePart": "1",
+          "unitFrom": "payload",
+          "unitPart": "3"
+        }
+      }
+    },
+    {
+      "topics": [ "NR/Multisensor/+/Temperatur" ],
+      "handler": "SVEJ",
+      "id": "SVEJ0",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+          "application": "Temperature Multisensor",
+          "deviceSelector": "T:2",
+          "valueSelector": "J:$.CurrentTemperature",
+          "unitSelector": "C:°C"
+        }
+      }
+    },
+    {
+      "topics": [ "NR/Multisensor/+/Feuchte" ],
+      "handler": "SVEJ",
+      "id": "SVEJ1",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+          "application": "Humidity Multisensor",
+          "deviceSelector": "T:2",
+          "valueSelector": "J:$.CurrentRelativeHumidity",
+          "unitSelector": "C:%"
+        }
+      }
+    },
+    {
+      "topics": [ "shellyplusht/+/status/temperature:0" ],
+      "handler": "SVEJ",
+      "id": "SVEJ2",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+          "application": "Temperature Shelly Plus HT",
+          "deviceSelector": "T:1",
+          "valueSelector": "J:$.tC",
+          "unitSelector": "C:°C"
+        }
+      }
+    },
+    {
+      "topics": [ "shellyplusht/+/status/humidity:0" ],
+      "handler": "SVEJ",
+      "id": "SVE4",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+          "application": "Humidity Shelly Plus HT",
+          "deviceSelector": "T:1",
+          "valueSelector": "J:$.rh",
+          "unitSelector": "C:%"
+        }
+      }
+    }
+  ],
+  "archiver": {
+    "dir": "./tmp/udi"
+  }
+}

src/udi/config-iot2.json

@@ -1,15 +1,15 @@
 {
   "mqtt": {
-    "broker": "ssl://eu1.cloud.thethings.network:8883",
+    "broker": "mqtt://172.23.1.102:1883",
-    "username": "de-hottis-saerbeck-monitoring@ttn",
+    "tlsEnable": "false"
-    "tlsEnable": "true"
   },
   "topicMappings": [
     {
-      "topics": [ "v3/#" ],
+      "topics": [ "ttn/#" ],
       "handler": "TTN",
       "id": "TTN0",
       "config": {
+        "databaseConnStr": "",
         "attributes": {
         }
       }

src/udi/config-pg-cluster.json

@@ -2,6 +2,7 @@
   "mqtt": {
     "broker": "ssl://eu1.cloud.thethings.network:8883",
     "username": "com-passavant-geiger-poc@ttn",
+    "password": "ENV",
     "tlsEnable": "true"
   },
   "topicMappings": [
@@ -10,6 +11,7 @@
       "handler": "TTN",
       "id": "TTN0",
       "config": {
+        "databaseConnStr": "",
         "attributes": {
         }
       }

src/udi/config-pg.json

@@ -1,13 +1,13 @@
 {
   "mqtt": {
     "broker": "ssl://eu1.cloud.thethings.network:8883",
-    "username": "de-hottis-level-monitoring@ttn",
+    "username": "com-passavant-geiger-poc@ttn",
     "password": "ENV",
     "tlsEnable": "true"
   },
   "topicMappings": [
     {
-      "topics": [ "v3/#" ],
+      "topics": [ "v3/com-passavant-geiger-poc@ttn/devices/#" ],
       "handler": "TTN",
       "id": "TTN0",
       "config": {
@@ -18,6 +18,6 @@
     }
   ],
   "archiver": {
-    "dir": "/archive"
+    "dir": "./tmp/udi"
   }
 }

src/udi/config-test.json

@@ -1,35 +0,0 @@
-{
-  "mqtt": {
-    "broker": "mqtt://172.23.1.102:1883",
-    "tlsEnable": "false"
-  },
-  "topicMappings": [
-    {
-      "topics": [ "NR/Multisensor/+/Temperatur" ],
-      "handler": "SVEJ",
-      "id": "SVEJ0",
-      "config": {
-        "databaseConnStr": "",
-        "attributes": {
-          "application": "Temperature Multisensor",
-          "deviceSelector": "T:2",
-          "valueSelector": "J:$.CurrentTemperature",
-          "unitSelector": "C:°C"
-        }
-      }
-    },
-    {
-      "topics": [ "zigbee2mqtt/+" ],
-      "handler": "Z2M",
-      "id": "Z2M",
-      "config": {
-        "databaseConnStr": "",
-        "attributes": {
-        }
-      }
-    }
-  ],
-  "archiver": {
-    "dir": "./tmp/udi"
-  }
-}

src/udi/config-ttn.json

@@ -0,0 +1,29 @@
+{
+  "mqtt": {
+    "broker": "mqtt://172.23.1.102:1883",
+    "tlsEnable": "false"
+  },
+  "topicMappings": [
+    {
+      "topics": [ "v3/de-hottis-level-monitoring@ttn/devices/+/up" ],
+      "handler": "TTN"
+    }
+  ],
+  "handlers": [
+    {
+      "name": "TTN",
+      "databaseConnStr": "",
+      "attributes": {
+      }
+    },
+		{
+			"name": "IoT",
+			"databaseConnStr": "",
+			"attributes": {
+			}
+		}
+  ],
+  "archiver": {
+    "dir": "./tmp/udi"
+  }
+}

src/udi/config/config.go

@@ -5,6 +5,7 @@ import "log"
 import "os"
 
 type HandlerConfigT struct {
+  DatabaseConnStr string `json:"databaseConnStr"`
   Attributes map[string]string `json:"attributes"`
 }
 
@@ -12,7 +13,7 @@ type ConfigT struct {
   Mqtt struct {
     Broker string `json:"broker"`
     Username string `json:"username"`
-    Password string
+    Password string `json:"password"`
     TlsEnable string `json:"tlsEnable"`
   } `json:"mqtt"`
   TopicMappings []struct {
@@ -35,6 +36,8 @@ func LoadConfiguration() {
     log.Fatalf("Unable to parse configuration: %s", err)
   }
 
-  Config.Mqtt.Password = os.Getenv("MQTT_PASSWORD")
+  if Config.Mqtt.Password == "ENV" {
+    Config.Mqtt.Password = os.Getenv("MQTT_PASSWORD")
+  }
 }
 

src/udi/config/example.json

@@ -0,0 +1,26 @@
+{
+	"mqtt": {
+		"broker": "172.23.1.102:1883",
+		"username": "",
+		"password": "",
+		"tlsEnable": "false"
+	},
+	"topicMappings": [
+		{
+			"topics": ["IoT/MBGW3/Measurement"],
+			"handler": "IoT"
+		}
+	],
+	"handlers": [
+		{
+			"name": "IoT",
+			"databaseConnStr": "",
+			"attributes": {
+			}
+		}
+	],
+	"archiver": {
+		"dir": "/mnt/udi/archive"
+	}
+}
+

src/udi/counter/counter.go

@@ -1,94 +0,0 @@
-package counter
-
-import (
-  "log"
-  "time"
-  "encoding/json"
-)
-
-type statsTuple_t struct {
-  Successful int `json:"good"`
-  Failed int `json:"bad"`
-}
-
-type stats_t struct {
-  Received statsTuple_t `json:"received"`
-  Archived statsTuple_t `json:"archived"`
-  Dispatched statsTuple_t `json:"dispatched"`
-  Handled map[string]statsTuple_t `json:"handled"`
-  Stored statsTuple_t `json:"stored"`
-}
-
-var stats stats_t
-
-func S(id string) {
-  switch id {
-  case "Received": 
-    stats.Received.Successful = stats.Received.Successful + 1
-  case "Archived": 
-    stats.Archived.Successful += 1
-  case "Dispatched":
-    stats.Dispatched.Successful += 1
-  case "Stored":
-    stats.Stored.Successful += 1
-  default:
-    log.Printf("Unknown stats id %s", id)
-  }
-}
-
-func F(id string) {
-  switch id {
-  case "Received": 
-    stats.Received.Failed += 1
-  case "Archived": 
-    stats.Archived.Failed += 1
-  case "Dispatched":
-    stats.Dispatched.Failed += 1
-  case "Stored":
-    stats.Stored.Failed += 1
-  default:
-    log.Printf("Unknown stats id %s", id)
-  }
-}
-
-func SH(id string) {
-  if _, ok := stats.Handled[id]; ok {
-    tuple := stats.Handled[id]
-    tuple.Successful += 1
-    stats.Handled[id] = tuple
-  } else {
-    stats.Handled[id] = statsTuple_t { Successful:1, Failed:0, }
-  }
-}
-
-func FH(id string) {
-  if _, ok := stats.Handled[id]; ok {
-    tuple := stats.Handled[id]
-    tuple.Failed += 1
-    stats.Handled[id] = tuple
-  } else {
-    stats.Handled[id] = statsTuple_t { Successful:0, Failed:1, }
-  }
-}
-
-func InitCounter() {
-  stats = stats_t {
-    Received: statsTuple_t {Successful:0,Failed:0,},
-    Archived: statsTuple_t {Successful:0,Failed:0,},
-    Dispatched: statsTuple_t {Successful:0,Failed:0,},
-    Stored: statsTuple_t {Successful:0,Failed:0,},
-    Handled: make(map[string]statsTuple_t),
-  }
-
-  go func() { 
-    for {
-      sj, err := json.Marshal(stats)
-      if err != nil {
-        log.Printf("Unable to marshal stats object: %s", err)
-      }
-      log.Println(string(sj))
-      time.Sleep(time.Second * 60)
-    }
-  }()
-}
-

src/udi/database/abstract_database.go

@@ -9,7 +9,6 @@ type VariableType struct {
   Variable string `json:"variable"`
   Unit string `json:"unit"`
   Value interface{} `json:"value,omitempty"`
-  Status string `json:"status,omitempty"`
 }
 
 type Measurement struct {

src/udi/database/database.go

@@ -5,7 +5,6 @@ import (
   "log"
   //"time"
   "fmt"
-  "udi/counter"
   "gorm.io/driver/postgres"
   "gorm.io/gorm"
 )
@@ -15,10 +14,9 @@ type DatabaseHandle struct {
   dbh *gorm.DB 
 }
 
-func NewDatabaseHandle() *DatabaseHandle {
+func NewDatabaseHandle(dsn string) *DatabaseHandle {
   var db DatabaseHandle
-  // inject the whole database configuration via the well-known PG* env variables
+  conn, err := gorm.Open(postgres.Open(dsn))
-  conn, err := gorm.Open(postgres.Open(""))
   if err != nil {
     log.Printf("Unable to open database connection: %s", err)
     db.initialized = false
@@ -33,19 +31,16 @@ func NewDatabaseHandle() *DatabaseHandle {
 func (self *DatabaseHandle) StoreMeasurement(measurement *Measurement) {
   if ! self.initialized {
     log.Printf("Database connection not initialized, can not store, measurement %s lost", measurement)
-    counter.F("Stored")
     return
   }
 
   result := self.dbh.Create(measurement)
   if result.Error != nil {
     log.Printf("Unable to insert, measurement %s lost, error: %s", measurement, result.Error)
-    counter.F("Stored")
     return
   }
 
   log.Println("Successfully stored measurement")
-  counter.S("Stored")
 }
 
 func (self *DatabaseHandle) GetDeviceByLabelAndApplication(applicationLabel string, deviceLabel string) (*Device, error) {
@@ -70,27 +65,5 @@ func (self *DatabaseHandle) GetDeviceByLabelAndApplication(applicationLabel stri
   return &device, nil
 }
 
-func (self *DatabaseHandle) GetDeviceByLabel(deviceLabel string) (*Device, error) {
-  if ! self.initialized {
-    err := fmt.Errorf("Database connection not initialized")
-    return nil, err
-  }
-
-  var device Device
-  result := self.dbh.
-    Preload("Application").
-    Preload("DeviceType").
-    Where("devices.label = ?", deviceLabel).
-    First(&device)
-
-  if result.Error != nil {
-    err := fmt.Errorf("Query failed: %s", result.Error)
-    return nil, err
-  }
-
-  return &device, nil
-}
-
-
 
 

src/udi/dispatcher/dispatcher.go

@@ -7,7 +7,6 @@ import "fmt"
 import "net/url"
 import "udi/mqtt"
 import "udi/config"
-import "udi/counter"
 import "udi/handlers/handler"
 import "udi/handlers/ttn"
 import "udi/handlers/iot"
@@ -15,17 +14,13 @@ import "udi/handlers/pv"
 import "udi/handlers/mbgw3"
 import "udi/handlers/sver"
 import "udi/handlers/svej"
-import "udi/handlers/dt1t"
-import "udi/handlers/locative"
-import "udi/handlers/prepared"
-import "udi/handlers/z2m"
 
 
 var handlerMap map[string]handler.Handler = make(map[string]handler.Handler)
 var archiverChannel chan handler.MessageT = make(chan handler.MessageT, 100)
 
 func InitDispatcher() {
-  log.Printf("Dispatcher initializing")
+  log.Printf("Initializing dispatcher")
   go archiver()
 
   for _, mapping := range config.Config.TopicMappings {
@@ -34,47 +29,38 @@ func InitDispatcher() {
     var factory interface{}
     switch mapping.Handler {
     case "TTN":
-      factory = ttn.New
+      factory = ttn.NewTTNHandler
     case "IoT":
-      factory = iot.New
+      factory = iot.NewIoTHandler
     case "PV":
-      factory = pv.New
+      factory = pv.NewPvHandler
     case "MBGW3":
-      factory = mbgw3.New
+      factory = mbgw3.NewMbgw3Handler
     case "SVER":
-      factory = sver.New
+      factory = sver.NewSverHandler
     case "SVEJ":
-      factory = svej.New
+      factory = svej.NewSvejHandler
-    case "DT1T":
-      factory = dt1t.New
-    case "Locative":
-      factory = locative.New
-    case "PREP":
-      factory = prepared.New
-    case "Z2M":
-      factory = z2m.New
     default:
       factory = nil
       log.Printf("No handler %s found, ignore mapping", mapping.Handler)
     }
 
-    fn, ok := factory.(func(string, config.HandlerConfigT) handler.Handler)
+    fn, ok := factory.(func(config.HandlerConfigT) handler.Handler)
     if ! ok {
       log.Println("Typ Assertion failed")
       break
     }
-    handler := fn(mapping.Id, mapping.Config)
+    handler := fn(mapping.Config)
     handlerMap[mapping.Id] = handler
   }
 
-  //log.Printf("handlerMap: %s", handlerMap)
+  log.Printf("handlerMap: %s", handlerMap)
 }
 
 func storeMessage(filename string, item handler.MessageT) {
   file, err := os.OpenFile(filename, os.O_APPEND | os.O_CREATE | os.O_WRONLY, 0644)
   if err != nil {
     log.Printf("Unable to open archiving file %s, message is not archived: %s", filename, err)
-    counter.F("Archived")
     return
   }
   defer file.Close()
@@ -82,11 +68,9 @@ func storeMessage(filename string, item handler.MessageT) {
   _, err = file.WriteString(string(archivingString) + "\n")
   if err != nil {
     log.Printf("Unable to write message, message is not archived: %s", err)
-    counter.F("Archived")
     return
   }
-  //log.Println("Successfully archived message")
+  log.Println("Successfully archived message")
-  counter.S("Archived")
 }
 
 func archiver() {
@@ -102,10 +86,9 @@ func archiver() {
         err := os.MkdirAll(currentArchivingDir, 0755)
         if err != nil {
           log.Printf("Unable to create archiving dir %s: %s", currentArchivingDir, err)
-          counter.F("Archived")
         }
         lastArchivingDir = currentArchivingDir
-        //log.Printf("Archiving dir %s created", currentArchivingDir)
+        log.Printf("Archiving dir %s created", currentArchivingDir)
       }
       archivingFilename := fmt.Sprintf("%s/%s", currentArchivingDir, url.PathEscape(message.Topic))
       storeMessage(archivingFilename, message)
@@ -117,7 +100,7 @@ func InputDispatcher() {
   for {
     select {
     case mqttMessage := <- mqtt.InputChannel:
-      //log.Printf("Message arrived in inputDispatcher, topic: %s\n", mqttMessage.Topic)
+      log.Printf("Message arrived in inputDispatcher, topic: %s\n", mqttMessage.Topic)
       message := handler.MessageT { time.Now(), mqttMessage.Topic, string(mqttMessage.Payload) }
       archiverChannel <- message
       handleMessage(message)
@@ -131,19 +114,16 @@ func handleMessage(message handler.MessageT) {
     for _, subscribedTopic := range mapping.Topics {
       // log.Printf("Testing %s in %s", message.Topic, subscribedTopic)
       if mqtt.TopicMatchesSubscription(message.Topic, subscribedTopic) {
-        //log.Printf("Handle message in handler %s", mapping.Id)
+        log.Printf("Handle message in handler %s", mapping.Id)
         handler, exists := handlerMap[mapping.Id]
         if exists {
           handler.Handle(message)
-          counter.S("Dispatched")
           return
         } else {
           log.Printf("Handler %s not found, message %s is lost", mapping.Id, message)
-          counter.F("Dispatched")
         }
       }
     }
   }
   log.Printf("No match for topic %s, message %s is lost", message.Topic, message)
-  counter.F("Dispatched")
 }

src/udi/go.mod

@@ -1,25 +1,24 @@
 module udi
 
-go 1.22.3
+go 1.21.3
 
 require (
-	github.com/eclipse/paho.mqtt.golang v1.5.0
+	github.com/eclipse/paho.mqtt.golang v1.4.3
-	github.com/google/uuid v1.6.0
+	github.com/google/uuid v1.4.0
 	github.com/oliveagle/jsonpath v0.0.0-20180606110733-2e52cf6e6852
-	gorm.io/driver/postgres v1.5.11
+	gorm.io/driver/postgres v1.5.4
-	gorm.io/gorm v1.25.12
+	gorm.io/gorm v1.25.5
 )
 
 require (
-	github.com/gorilla/websocket v1.5.3 // indirect
+	github.com/gorilla/websocket v1.5.0 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
-	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
+	github.com/jackc/pgservicefile v0.0.0-20221227161230-091c0ba34f0a // indirect
-	github.com/jackc/pgx/v5 v5.7.2 // indirect
+	github.com/jackc/pgx/v5 v5.4.3 // indirect
-	github.com/jackc/puddle/v2 v2.2.1 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/jinzhu/now v1.1.5 // indirect
-	golang.org/x/crypto v0.32.0 // indirect
+	golang.org/x/crypto v0.14.0 // indirect
-	golang.org/x/net v0.34.0 // indirect
+	golang.org/x/net v0.10.0 // indirect
-	golang.org/x/sync v0.10.0 // indirect
+	golang.org/x/sync v0.1.0 // indirect
-	golang.org/x/text v0.21.0 // indirect
+	golang.org/x/text v0.13.0 // indirect
 )

src/udi/go.sum

@@ -11,10 +11,8 @@ github.com/jackc/pgpassfile v1.0.0 h1:/6Hmqy13Ss2zCq62VdNG8tM1wchn8zjSGOBJ6icpsI
 github.com/jackc/pgpassfile v1.0.0/go.mod h1:CEx0iS5ambNFdcRtxPj5JhEz+xB6uRky5eyVu/W2HEg=
 github.com/jackc/pgservicefile v0.0.0-20221227161230-091c0ba34f0a h1:bbPeKD0xmW/Y25WS6cokEszi5g+S0QxI/d45PkRi7Nk=
 github.com/jackc/pgservicefile v0.0.0-20221227161230-091c0ba34f0a/go.mod h1:5TJZWKEWniPve33vlWYSoGYefn3gLQRzjfDlhSJ9ZKM=
-github.com/jackc/pgx/v5 v5.5.5 h1:amBjrZVmksIdNjxGW/IiIMzxMKZFelXbUoPNb+8sjQw=
+github.com/jackc/pgx/v5 v5.4.3 h1:cxFyXhxlvAifxnkKKdlxv8XqUf59tDlYjnV5YYfsJJY=
-github.com/jackc/pgx/v5 v5.5.5/go.mod h1:ez9gk+OAat140fv9ErkZDYFWmXLfV+++K0uAOiwgm1A=
+github.com/jackc/pgx/v5 v5.4.3/go.mod h1:Ig06C2Vu0t5qXC60W8sqIthScaEnFvojjj9dSljmHRA=
-github.com/jackc/puddle/v2 v2.2.1 h1:RhxXJtFG022u4ibrCSMSiu5aOq1i77R3OHKNJj77OAk=
-github.com/jackc/puddle/v2 v2.2.1/go.mod h1:vriiEXHvEE654aYKXXjOvZM39qJ0q+azkZFrfEOc3H4=
 github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E=
 github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc=
 github.com/jinzhu/now v1.1.5 h1:/o9tlHleP7gOFmsnYNz3RGnqzefHA47wQpKrrdTIwXQ=
@@ -28,19 +26,19 @@ github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UV
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
-golang.org/x/crypto v0.32.0 h1:euUpcYgM8WcP71gNpTqQCn6rC2t6ULUPiOzfWaXVVfc=
+golang.org/x/crypto v0.14.0 h1:wBqGXzWJW6m1XrIKlAH0Hs1JJ7+9KBwnIO8v66Q9cHc=
-golang.org/x/crypto v0.32.0/go.mod h1:ZnnJkOaASj8g0AjIduWNlq2NRxL0PlBrbKVyZ6V/Ugc=
+golang.org/x/crypto v0.14.0/go.mod h1:MVFd36DqK4CsrnJYDkBA3VC4m2GkXAM0PvzMCn4JQf4=
-golang.org/x/net v0.34.0 h1:Mb7Mrk043xzHgnRM88suvJFwzVrRfHEHJEl5/71CKw0=
+golang.org/x/net v0.10.0 h1:X2//UzNDwYmtCLn7To6G58Wr6f5ahEAQgKNzv9Y951M=
-golang.org/x/net v0.34.0/go.mod h1:di0qlW3YNM5oh6GqDGQr92MyTozJPmybPK4Ev/Gm31k=
+golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
-golang.org/x/sync v0.10.0 h1:3NQrjDixjgGwUOCaF8w2+VYHv0Ve/vGYSbdkTa98gmQ=
+golang.org/x/sync v0.1.0 h1:wsuoTGHzEhffawBOhz5CYhcrV4IdKZbEyZjBMuTp12o=
-golang.org/x/sync v0.10.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/text v0.21.0 h1:zyQAAkrwaneQ066sspRyJaG9VNi/YJ1NfzcGB3hZ/qo=
+golang.org/x/text v0.13.0 h1:ablQoSUd0tRdKxZewP80B+BaqeKJuVhuRxj/dkrun3k=
-golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
+golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gorm.io/driver/postgres v1.5.9 h1:DkegyItji119OlcaLjqN11kHoUgZ/j13E0jkJZgD6A8=
+gorm.io/driver/postgres v1.5.4 h1:Iyrp9Meh3GmbSuyIAGyjkN+n9K+GHX9b9MqsTL4EJCo=
-gorm.io/driver/postgres v1.5.9/go.mod h1:DX3GReXH+3FPWGrrgffdvCk3DQ1dwDPdmbenSkweRGI=
+gorm.io/driver/postgres v1.5.4/go.mod h1:Bgo89+h0CRcdA33Y6frlaHHVuTdOf87pmyzwW9C/BH0=
-gorm.io/gorm v1.25.11 h1:/Wfyg1B/je1hnDx3sMkX+gAlxrlZpn6X0BXRlwXlvHg=
+gorm.io/gorm v1.25.5 h1:zR9lOiiYf09VNh5Q1gphfyia1JpiClIWG9hQaxB/mls=
-gorm.io/gorm v1.25.11/go.mod h1:xh7N7RHfYlNc5EmcI/El95gXusucDrQnHXe0+CgWcLQ=
+gorm.io/gorm v1.25.5/go.mod h1:hbnx/Oo0ChWMn1BIhpy1oYozzpM15i4YPuHDmfYtwg8=

src/udi/handlers/dt1t/dt1t.go

@@ -1,81 +0,0 @@
-package dt1t
-
-import (
-  "log"
-  "fmt"
-  "time"
-  "strconv"
-  "udi/handlers/handler"
-  "udi/database"
-  "udi/config"
-)
-
-
-type Dt1tHandler struct {
-  handler.CommonHandler
-  ready bool
-  label string
-  dbh *database.DatabaseHandle
-  application string
-  device string
-
-}
-
-func New(id string, config config.HandlerConfigT) handler.Handler {
-  t := &Dt1tHandler {
-  }
-
-  if config.Attributes["Application"] == "" {
-    log.Println("Error: application not configured")
-    return t
-  }
-  t.application = config.Attributes["Application"]
-  if config.Attributes["Device"] == "" {
-    log.Println("Error: device not configured")
-    return t
-  }
-  t.device = config.Attributes["Device"]
-  t.Id = id
-  
-  t.dbh = database.NewDatabaseHandle()
-  log.Printf("Handler DT1T %d initialized", id)
-  t.ready = true
-  return t
-}
-
-func (self *Dt1tHandler) Handle(message handler.MessageT) {
-  if ! self.ready {
-    self.Lost("Handler is not marked as ready", nil, message)
-    return
-  }
-  // log.Printf("Handler DT1T %d processing %s -> %s", self.id, message.Topic, message.Payload)
-
-  temperature, err := strconv.Atoi(message.Payload)
-  if err != nil {
-    self.Lost("Invalid raw value", err, message)
-    return
-  }
-  if temperature & 0x8000 != 0{
-    temperature = ((temperature - 1) ^ 0xffff) * -1
-  }
-  temperatureF := float32(temperature) / 10.0
-
-  var measurement database.Measurement
-  measurement.Time = time.Now()
-  measurement.Application = self.application
-  measurement.Device = self.device
-  
-  var variable database.VariableType
-  variable.Label = "Temperature"
-  variable.Variable = ""
-  variable.Unit = "°C"
-  variable.Value = fmt.Sprintf("%f", temperatureF)
-  measurement.Values = make(map[string]database.VariableType)
-  measurement.Values["Value"] = variable
-
-  // log.Printf("Prepared measurement item: %s", measurement)
-  self.dbh.StoreMeasurement(&measurement)
-  self.S()
-}
-
-

src/udi/handlers/handler/handler.go

@@ -1,10 +1,6 @@
 package handler
 
-import (
+import "time"
-  "time"
-  "log"
-  "udi/counter"
-)
 
 type MessageT struct {
   Timestamp time.Time
@@ -15,32 +11,5 @@ type MessageT struct {
 type Handler interface {
   GetId() string
   Handle(MessageT)
-  Lost(msg string, err error, message MessageT)
-  S()
-  F()
-}
-
-type CommonHandler struct {
-  Id string
-}
-
-func (self *CommonHandler) S() {
-  counter.SH(self.Id)
-}
-func (self *CommonHandler) F() {
-  counter.FH(self.Id)
-}
-
-func (self *CommonHandler) GetId() string {
-  return self.Id
-}
-
-func (self *CommonHandler) Lost(msg string, err error, message MessageT) {
-  if err == nil {
-    log.Printf("Error: %s, message %s is lost", msg, message)
-  } else {
-    log.Printf("Error: %s (%s), message %s is lost", msg, err, message)
-  }
-  self.F()
 }
 

src/udi/handlers/iot/iot.go

@@ -1,23 +1,29 @@
 package iot
 
 import "log"
-import "udi/config"
+import "fmt"
 import "udi/handlers/handler"
 
+var idSeq int = 0
 
 type IoTHandler struct {
-  handler.CommonHandler
+  id int
 }
 
-func New(id string, config config.HandlerConfigT) handler.Handler {
+func NewIoTHandler() handler.Handler {
   t := &IoTHandler {
+    id: idSeq,
   }
-  t.Id = id
+  idSeq += 1
   return t
 }
 
+func (self *IoTHandler) GetId() string {
+  return fmt.Sprintf("IoT%d", self.id)
+}
+
 func (self *IoTHandler) Handle(message handler.MessageT) {
-  log.Printf("Handler IoT %d processing %s -> %s", self.Id, message.Topic, message.Payload)
+  log.Printf("Handler IoT %d processing %s -> %s", self.id, message.Topic, message.Payload)
 }
 
 

src/udi/handlers/locative/locative.go

@@ -1,74 +0,0 @@
-package locative
-
-import (
-  "reflect"
-  "time"
-  "log"
-  "encoding/json"
-  "udi/config"
-  "udi/handlers/handler"
-  "udi/database"
-)
-
-
-type LocativeHandler struct {
-  handler.CommonHandler
-  dbh *database.DatabaseHandle
-}
-
-type locativeEvent struct {
-  Trigger string `json:"trigger"`
-  Device string `json:"device"`
-  Location string `json:"location"`
-  Latitude string `json:"latitude"`
-  Longitude string `json:"longitude"`
-  Person string `json:"person"`
-  Timestamp string `json:"timestamp"`
-}
-
-func New(id string, config config.HandlerConfigT) handler.Handler {
-  t := &LocativeHandler {
-  }
-  t.Id = id
-  t.dbh = database.NewDatabaseHandle()
-  log.Printf("Handler Locative %d initialized", id)
-  return t
-}
-
-
-func (self *LocativeHandler) Handle(message handler.MessageT) {
-  log.Printf("Handler Locative %d processing %s -> %s", self.Id, message.Topic, message.Payload)
-
-  var locativeEvent locativeEvent
-  err := json.Unmarshal([]byte(message.Payload), &locativeEvent)
-  if err != nil {
-    self.Lost("Unable to parse payload into locativeEvent struct", err, message)
-    return
-  }
-
-  variables := make(map[string]database.VariableType)
-  locativeEventStructValue := reflect.ValueOf(locativeEvent)
-  for i := 0; i < locativeEventStructValue.NumField(); i++ {
-    field := locativeEventStructValue.Type().Field(i)
-    fieldValue := locativeEventStructValue.Field(i)
-    v := database.VariableType {
-      Label: "",
-      Variable: field.Name,
-      Unit: "",
-      Value: fieldValue.Interface(),
-    }
-    variables[field.Name] = v
-  }
-
-  measurement := database.Measurement {
-    Time: time.Now(),
-    Application: "Locative",
-    Device: locativeEvent.Person,
-    Values: variables,
-  }
-
-  self.dbh.StoreMeasurement(&measurement)
-  self.S()
-}
-
-

src/udi/handlers/mbgw3/mbgw3.go

@@ -1,9 +1,11 @@
 package mbgw3
 
 import (
-  "time"
   "log"
+  //"reflect"
+  "time"
   "strconv"
+  "fmt"
   "encoding/json"
   "udi/config"
   "udi/handlers/handler"
@@ -11,8 +13,10 @@ import (
 )
 
 
+var idSeq int = 0
+
 type Mbgw3Handler struct {
-  handler.CommonHandler
+  id int
   dbh *database.DatabaseHandle
 }
 
@@ -27,22 +31,26 @@ type Observation struct {
 }
 
 
-func New(id string, config config.HandlerConfigT) handler.Handler {
+func NewMbgw3Handler(config config.HandlerConfigT) handler.Handler {
   t := &Mbgw3Handler {
+    id: idSeq,
   }
-  t.Id = id
+  idSeq += 1
-  t.dbh = database.NewDatabaseHandle()
+  t.dbh = database.NewDatabaseHandle(config.DatabaseConnStr)
-  log.Printf("Handler MBGW3 %d initialized", id)
   return t
 }
 
+func (self *Mbgw3Handler) GetId() string {
+  return fmt.Sprintf("MBGW3%d", self.id)
+}
+
 func (self *Mbgw3Handler) Handle(message handler.MessageT) {
-  //log.Printf("Handler MBGW3 %d processing %s -> %s", self.Id, message.Topic, message.Payload)
+//  log.Printf("Handler MBGW3 %d processing %s -> %s", self.id, message.Topic, message.Payload)
 
   var observation Observation
   err := json.Unmarshal([]byte(message.Payload), &observation)
   if err != nil {
-    self.Lost("Unable to parse payload into Observation struct", err, message)
+    log.Printf("Unable to parse payload into Observation struct, message %s -> %s is lost, error ", message.Topic, message.Payload, err)
     return
   }
 
@@ -87,10 +95,9 @@ func (self *Mbgw3Handler) Handle(message handler.MessageT) {
     }
   }
 
-  //log.Printf("Prepared measurement item: %s", measurement)
+  // log.Printf("Prepared measurement item: %s", measurement)
 
   self.dbh.StoreMeasurement(&measurement)
-  self.S()
 }
 
 

src/udi/handlers/prepared/prepared.go

@@ -1,79 +0,0 @@
-package prepared
-
-import (
-  "time"
-  "log"
-  "encoding/json"
-  "udi/config"
-  "udi/handlers/handler"
-  "udi/database"
-)
-
-
-type PreparedHandler struct {
-  handler.CommonHandler
-  dbh *database.DatabaseHandle
-}
-
-type endpoint_t struct {
-  Label string `json:"label"`
-  Variable string `json:"variable"`
-  Value string `json:"value"`
-  Unit string `json:"unit"`
-  Status string `json:"status"`
-}
-
-type observation_t struct {
-  Device string `json:"device"`
-  Label string `json:"label"`
-  Variables map[string]endpoint_t `json:"variables"`
-}
-
-
-func New(id string, config config.HandlerConfigT) handler.Handler {
-  t := &PreparedHandler {
-  }
-  t.Id = id
-  t.dbh = database.NewDatabaseHandle()
-  log.Printf("Handler Prepared %d initialized", id)
-  return t
-}
-
-func (self *PreparedHandler) Handle(message handler.MessageT) {
-  log.Printf("Handler Prepared %d processing %s -> %s", self.Id, message.Topic, message.Payload)
-
-  var observation observation_t
-  err := json.Unmarshal([]byte(message.Payload), &observation)
-  if err != nil {
-    self.Lost("Unable to parse payload into Observation struct", err, message)
-    return
-  }
-
-  var measurement database.Measurement
-  measurement.Time = time.Now()
-
-  measurement.Application = self.Id
-  measurement.Device = observation.Device
-
-  measurement.Attributes = map[string]interface{} {
-    "Label": observation.Label,
-  }
-
-  measurement.Values = make(map[string]database.VariableType)
-  for k, v := range observation.Variables {
-    measurement.Values[k] = database.VariableType {
-      Label: v.Label,
-      Variable: v.Variable,
-      Unit: v.Unit,
-      Value: v.Value,
-      Status: v.Status,
-    }
-  }
-
-  log.Printf("Prepared measurement item: %s", measurement)
-
-  self.dbh.StoreMeasurement(&measurement)
-  self.S()
-}
-
-

src/udi/handlers/pv/pv.go

@@ -1,9 +1,10 @@
 package pv
 
 import (
+  "log"
   "reflect"
   "time"
-  "log"
+  "fmt"
   "encoding/json"
   "udi/config"
   "udi/handlers/handler"
@@ -11,8 +12,10 @@ import (
 )
 
 
+var idSeq int = 0
+
 type PvHandler struct {
-  handler.CommonHandler
+  id int
   dbh *database.DatabaseHandle
 }
 
@@ -37,15 +40,18 @@ type PvValue struct {
 }
 
 
-func New(id string, config config.HandlerConfigT) handler.Handler {
+func NewPvHandler(config config.HandlerConfigT) handler.Handler {
   t := &PvHandler {
+    id: idSeq,
   }
-  t.Id = id
+  idSeq += 1
-  t.dbh = database.NewDatabaseHandle()
+  t.dbh = database.NewDatabaseHandle(config.DatabaseConnStr)
-  log.Printf("Handler PV %d initialized", id)
   return t
 }
 
+func (self *PvHandler) GetId() string {
+  return fmt.Sprintf("PV%d", self.id)
+}
 
 func (self *PvHandler) Handle(message handler.MessageT) {
   //log.Printf("Handler PV %d processing %s -> %s", self.id, message.Topic, message.Payload)
@@ -53,7 +59,7 @@ func (self *PvHandler) Handle(message handler.MessageT) {
   var pvValue PvValue
   err := json.Unmarshal([]byte(message.Payload), &pvValue)
   if err != nil {
-    self.Lost("Unable to parse payload into pvValue struct", err, message)
+    log.Printf("Unable to parse payload into pvValue struct, message %s -> %s is lost, error: %s", message.Topic, message.Payload, err)
     return
   }
 
@@ -79,7 +85,6 @@ func (self *PvHandler) Handle(message handler.MessageT) {
   }
 
   self.dbh.StoreMeasurement(&measurement)
-  self.S()
 }
 
 

src/udi/handlers/svej/svej.go

@@ -13,8 +13,10 @@ import (
   "udi/database"
 )
 
+var idSeq int = 0
+
 type SingleValueExtractorJsonpathHandler struct {
-  handler.CommonHandler
+  id int
   ready bool
   application string
   deviceSelector string
@@ -34,10 +36,12 @@ C:ConstantValue
 */
 
 
-func New(id string, config config.HandlerConfigT) handler.Handler {
+func NewSvejHandler(config config.HandlerConfigT) handler.Handler {
   t := &SingleValueExtractorJsonpathHandler {
+    id: idSeq,
     ready: false,
   }
+  idSeq += 1
 
   if config.Attributes["application"] == "" {
     log.Println("Error: application not configured")
@@ -73,25 +77,29 @@ func New(id string, config config.HandlerConfigT) handler.Handler {
     t.unitJsonpath = jp
   }
 
-  t.Id = id
   t.ready = true
-  t.dbh = database.NewDatabaseHandle()
+  t.dbh = database.NewDatabaseHandle(config.DatabaseConnStr)
-  log.Printf("Handler SVEJ %d initialized", id)
   return t
 }
 
-func (self *SingleValueExtractorJsonpathHandler) ExtractionHelper(subTopics []string, jPayload interface{}, selector string, jp *jsonpath.Compiled) (string, error) {
+func (self *SingleValueExtractorJsonpathHandler) GetId() string {
+  return fmt.Sprintf("SVE%d", self.id)
+}
+
+func lost(msg string, message handler.MessageT) {
+  log.Printf("Error: %s, message %s is lost", msg, message)
+}
+
+func extractionHelper(subTopics []string, jPayload interface{}, selector string, jp *jsonpath.Compiled) (string, error) {
   var res string
   switch selector[:2] {
   case "J:":
-    // extract using jsonpath from payload
     r, e := jp.Lookup(jPayload)
     if e != nil {
       return "", fmt.Errorf("jp.Lookup failed with %s", e)
     }
     res = fmt.Sprint(r)
   case "T:":
-    // T: extract from topic
     i, e := strconv.Atoi(selector[2:])
     if e != nil {
       return "", fmt.Errorf("Atoi failed with %s", e)
@@ -101,7 +109,6 @@ func (self *SingleValueExtractorJsonpathHandler) ExtractionHelper(subTopics []st
     }
     res = subTopics[i]
   case "C:":
-    // use constant value
     res = selector[2:]
   default:
     return "", fmt.Errorf("Invalid selector: %s", selector[:2])
@@ -112,40 +119,37 @@ func (self *SingleValueExtractorJsonpathHandler) ExtractionHelper(subTopics []st
 
 func (self *SingleValueExtractorJsonpathHandler) Handle(message handler.MessageT) {
   if ! self.ready {
-    self.Lost("Handler is not marked as ready", nil, message)
+    log.Println("Handler is not marked as ready, message %s is lost", message)
     return
   }
-  log.Printf("Handler SingleValueExtractorJsonpath %d processing %s -> %s", self.Id, message.Topic, message.Payload)
+  log.Printf("Handler SingleValueExtractorJsonpath %d processing %s -> %s", self.id, message.Topic, message.Payload)
 
   var measurement database.Measurement
   measurement.Time = time.Now()
   measurement.Application = self.application
   
   subTopics := strings.Split(message.Topic, "/")
-  log.Printf("Subtopics: %s", strings.Join(subTopics, ", "))
+  //log.Printf("Subtopics: %s", strings.Join(subTopics, ", "))
   var jPayload interface{}
   err := json.Unmarshal([]byte(message.Payload), &jPayload)
   if err != nil {
-    self.Lost("Unable to unmarshal payload", err, message)
+    lost(fmt.Sprintf("Unable to unmarshal payload: %s", err), message)
     return
   }
 
-  device, err1 := self.ExtractionHelper(subTopics, jPayload, self.deviceSelector, self.deviceJsonpath)
+  device, err1 := extractionHelper(subTopics, jPayload, self.deviceSelector, self.deviceJsonpath)
   if err1 != nil {
-    self.Lost("Device extraction failed", err1, message)
+    lost(fmt.Sprintf("Device extraction failed with %s", err1), message)
     return
   }
-  log.Printf("device: %s", device) 
+  value, err2 := extractionHelper(subTopics, jPayload, self.valueSelector, self.valueJsonpath)
-
-  value, err2 := self.ExtractionHelper(subTopics, jPayload, self.valueSelector, self.valueJsonpath)
   if err2 != nil {
-    self.Lost("Value extraction failed", err2, message)
+    lost(fmt.Sprintf("Value extraction failed with %s", err2), message)
     return
   }
-
+  unit, err3 := extractionHelper(subTopics, jPayload, self.unitSelector, self.unitJsonpath)
-  unit, err3 := self.ExtractionHelper(subTopics, jPayload, self.unitSelector, self.unitJsonpath)
   if err3 != nil {
-    self.Lost("Unit extraction failed", err3, message)
+    lost(fmt.Sprintf("Unit extraction failed with %s", err3), message)
     return
   }
 
@@ -161,6 +165,5 @@ func (self *SingleValueExtractorJsonpathHandler) Handle(message handler.MessageT
 
   log.Printf("Prepared measurement item: %s", measurement)
   self.dbh.StoreMeasurement(&measurement)
-  self.S()
 }
 

src/udi/handlers/sver/sver.go

@@ -1,22 +1,28 @@
 package sver
 
 import (
+  "log"
   "time"
   "strconv"
   "strings"
   "regexp"
-  "log"
+  "fmt"
+  "reflect"
+  "encoding/json"
+  "github.com/oliveagle/jsonpath"
   "udi/config"
   "udi/handlers/handler"
   "udi/database"
 )
 
+var idSeq int = 0
 
 type SingleValueExtractorRegexHandler struct {
-  handler.CommonHandler
+  id int
   ready bool
   config localConfig
   payloadRegex *regexp.Regexp
+  payloadJsonpath *jsonpath.Compiled
   dbh *database.DatabaseHandle
 }
 
@@ -38,10 +44,12 @@ type localConfig struct {
 }
 
 
-func New(id string, config config.HandlerConfigT) handler.Handler {
+func NewSverHandler(config config.HandlerConfigT) handler.Handler {
   t := &SingleValueExtractorRegexHandler {
+    id: idSeq,
     ready: false,
   }
+  idSeq += 1
 
   var localConfig localConfig
   if config.Attributes["application"] == "" {
@@ -56,6 +64,18 @@ func New(id string, config config.HandlerConfigT) handler.Handler {
   } else {
     t.payloadRegex = nil
   }
+  payloadJsonpath := config.Attributes["payloadJsonpath"]
+  if payloadJsonpath != "" {
+    j, err := jsonpath.Compile(payloadJsonpath)
+    if err != nil {
+      log.Printf("Unable to compile jsonpath %s", payloadJsonpath)
+      t.payloadJsonpath = nil
+    } else {
+      t.payloadJsonpath = j
+    }
+  } else {
+    t.payloadJsonpath = nil
+  }
 
   if config.Attributes["deviceFrom"] != TOPIC_SEL && config.Attributes["deviceFrom"] != PAYLOAD_SEL && config.Attributes["deviceFrom"] != CONSTANT_SEL {
     log.Printf("Error: invalid value %s for deviceFrom", config.Attributes["deviceFrom"])
@@ -108,16 +128,22 @@ func New(id string, config config.HandlerConfigT) handler.Handler {
 
   t.config = localConfig
 
-  t.Id = id
   t.ready = true
-  t.dbh = database.NewDatabaseHandle()
+  t.dbh = database.NewDatabaseHandle(config.DatabaseConnStr)
-  log.Printf("Handler SVER %d initialized", id)
   return t
 }
 
+func (self *SingleValueExtractorRegexHandler) GetId() string {
+  return fmt.Sprintf("SVE%d", self.id)
+}
+
+func lost(msg string, message handler.MessageT) {
+  log.Printf("Error: %s, message %s is lost", msg, message)
+}
+
 func (self *SingleValueExtractorRegexHandler) Handle(message handler.MessageT) {
   if ! self.ready {
-    self.Lost("Handler is not marked as ready", nil, message)
+    log.Println("Handler is not marked as ready, message %s is lost", message)
     return
   }
   //log.Printf("Handler SingleValueExtractor %d processing %s -> %s", self.id, message.Topic, message.Payload)
@@ -134,21 +160,31 @@ func (self *SingleValueExtractorRegexHandler) Handle(message handler.MessageT) {
     payloadMatches = self.payloadRegex.FindStringSubmatch(message.Payload)
     //log.Printf("Matches: %s", strings.Join(payloadMatches, ", "))
   }
+  if self.payloadJsonpath != nil {
+    var jsonData interface{}
+    json.Unmarshal([]byte(message.Payload), &jsonData)
+    p, err := self.payloadJsonpath.Lookup(jsonData)
+    if err != nil {
+      lost(fmt.Sprintf("jsonpath error: %s", err), message)
+      return
+    }
+    log.Printf("XXXX: %s", reflect.TypeOf(p))
+  }
 
   switch self.config.deviceFrom {
   case TOPIC_SEL:
     if self.config.devicePart >= len(subTopics) {
-      self.Lost("devicePart out of range", nil, message)
+      lost("devicePart out of range", message)
       return
     }
     measurement.Device = subTopics[self.config.devicePart]
   case PAYLOAD_SEL:
-    if self.payloadRegex == nil {
+    if self.payloadRegex == nil && self.payloadJsonpath == nil {
-      self.Lost("no payloadRegex defined, devicePart can't be used", nil, message)
+      lost("no payloadRegex or payloadJsonpath defined, devicePart can't be used", message)
       return
     }
     if self.config.devicePart >= len(payloadMatches) {
-      self.Lost("devicePart out of range", nil, message)
+      lost("devicePart out of range", message)
       return
     }
     measurement.Device = payloadMatches[self.config.devicePart]
@@ -163,12 +199,12 @@ func (self *SingleValueExtractorRegexHandler) Handle(message handler.MessageT) {
 
   switch self.config.valueFrom {
   case PAYLOAD_SEL:
-    if self.payloadRegex == nil {
+    if self.payloadRegex == nil && self.payloadJsonpath == nil {
-      self.Lost("no payloadRegex defined, valuePart can't be used", nil, message)
+      lost("no payloadRegex or payloadJsonpath defined, valuePart can't be used", message)
       return
     }
     if self.config.valuePart >= len(payloadMatches) {
-      self.Lost("valuePart out of range", nil, message)
+      lost("valuePart out of range", message)
       return
     }
     variable.Value = payloadMatches[self.config.valuePart]
@@ -178,12 +214,12 @@ func (self *SingleValueExtractorRegexHandler) Handle(message handler.MessageT) {
 
   switch self.config.unitFrom {
   case PAYLOAD_SEL:
-    if self.payloadRegex == nil {
+    if self.payloadRegex == nil && self.payloadJsonpath == nil {
-      self.Lost("no payloadRegex defined, unitPart can't be used", nil, message)
+      lost("no payloadRegex or payloadJsonpath defined, unitPart can't be used", message)
       return
     }
     if self.config.unitPart >= len(payloadMatches) {
-      self.Lost("unitPart out of range", nil, message)
+      lost("unitPart out of range", message)
       return
     }
     variable.Unit = payloadMatches[self.config.unitPart]
@@ -195,6 +231,5 @@ func (self *SingleValueExtractorRegexHandler) Handle(message handler.MessageT) {
 
   //log.Printf("Prepared measurement item: %s", measurement)
   self.dbh.StoreMeasurement(&measurement)
-  self.S()
 }
 

src/udi/handlers/ttn/models/draginoLdds75/draginoLdds75.go

@@ -1,89 +0,0 @@
-package draginoLdds75
-
-import (
-  "fmt"
-  // "log"
-  "strings"
-  "strconv"
-  "encoding/json"
-  "udi/database"
-)
-
-/*
-    "decoded_payload": {
-      "Bat": 3.299,
-      "Distance": "352 mm",
-      "Interrupt_flag": 0,
-      "Sensor_flag": 1,
-      "TempC_DS18B20": "0.00"
-    },
-*/
-type message struct {
-  Bat float32 `json:"Bat"`
-  Distance string `json:"Distance"`
-  Interrupt_flag int `json:"Interrupt_flag"`
-  Sensor_flag int `json:"Sensor_flag"`
-  TempC_DS18B20 string `json:"TempC_DS18B20"`
-}
-
-func Parse(fPort int, decodedPayload []byte, _ string, variables *map[string]database.VariableType, attributes *map[string]interface{}, device *database.Device) error {
-  if fPort != 2 {
-    return fmt.Errorf("Unexpected fPort %d", fPort)
-  }
-  var message message
-  err := json.Unmarshal(decodedPayload, &message)
-  if err != nil {
-    return fmt.Errorf("Unable to parse payload, fPort %d, error %s", fPort, err)
-  }
-  distanceParts := strings.Split(message.Distance, " ")
-  if len(distanceParts) != 2 && distanceParts[1] != "mm" {
-    return fmt.Errorf("Invalid format for distance value: %s", message.Distance)
-  }
-  distance, err2 := strconv.Atoi(distanceParts[0])
-  if err2 != nil {
-    return fmt.Errorf("Distance value is no number: %s -> %s", message.Distance, err2)
-  }
-  (*variables)["Battery"] = database.VariableType {
-    Label: "Battery",
-    Variable: "Voltage",
-    Unit: "V",
-    Value: message.Bat,
-  }
-  (*variables)["Distance"] = database.VariableType {
-    Label: "Distance",
-    Variable: "Level",
-    Unit: "mm",
-    Value: distance,
-  }
-
-  if distance == 20 {
-    (*attributes)["Status"] = "invalid value"
-  } else if distance == 0 {
-    (*attributes)["Status"] = "no sensor detected"
-  } else {
-    (*attributes)["Status"] = "Ok"
-  }
-
-  groundLevelI, exists := device.Attributes["GroundLevel"]
-  groundLevelS, ok := groundLevelI.(string)
-  groundLevel, err3 := strconv.Atoi(groundLevelS)
-  if exists && err3 == nil && ok {
-    //log.Println("add corrected distance")
-    correctedDistance := groundLevel - distance
-    (*variables)["CorrectedDistance"] = database.VariableType {
-      Label: "CorrectedDistance",
-      Variable: "Level",
-      Unit: "mm",
-      Value: correctedDistance,
-    }
-  } /* else {
-    log.Printf("no ground level: %s %s %s", exists, err3, ok)
-    log.Printf("Device: %s", device)
-    log.Printf("Attributes: %s", device.Attributes)
-  } */
-
-  return nil
-}
-
-
-

src/udi/handlers/ttn/models/draginoLdds75/example-ldds75.json

@@ -1,83 +0,0 @@
-{
-  "end_device_ids": {
-    "device_id": "eui-a84041a14185f67f",
-    "application_ids": {
-      "application_id": "de-hottis-level-monitoring"
-    },
-    "dev_eui": "A84041A14185F67F",
-    "join_eui": "A840410000000101",
-    "dev_addr": "260B3987"
-  },
-  "correlation_ids": [
-    "gs:uplink:01HHP8EVC1N78FGTNBTNZYGCVY"
-  ],
-  "received_at": "2023-12-15T08:11:04.142793605Z",
-  "uplink_message": {
-    "session_key_id": "AYZ/cI2YeDLCZr4urRDzCw==",
-    "f_port": 2,
-    "f_cnt": 27758,
-    "frm_payload": "DOMBYAAAAAE=",
-    "decoded_payload": {
-      "Bat": 3.299,
-      "Distance": "352 mm",
-      "Interrupt_flag": 0,
-      "Sensor_flag": 1,
-      "TempC_DS18B20": "0.00"
-    },
-    "rx_metadata": [
-      {
-        "gateway_ids": {
-          "gateway_id": "eui-00005813d35e3021",
-          "eui": "00005813D35E3021"
-        },
-        "timestamp": 3654294763,
-        "rssi": -85,
-        "channel_rssi": -85,
-        "snr": 8.8,
-        "location": {
-          "latitude": 52.17065267448476,
-          "longitude": 7.629437184774199,
-          "source": "SOURCE_REGISTRY"
-        },
-        "uplink_token": "CiIKIAoUZXVpLTAwMDA1ODEzZDM1ZTMwMjESCAAAWBPTXjAhEOu5wM4NGgwIl5TwqwYQ5Z/7vgMg+OvDp63eBA==",
-        "channel_index": 2,
-        "received_at": "2023-12-15T08:11:03.937349093Z"
-      }
-    ],
-    "settings": {
-      "data_rate": {
-        "lora": {
-          "bandwidth": 125000,
-          "spreading_factor": 7,
-          "coding_rate": "4/5"
-        }
-      },
-      "frequency": "867500000",
-      "timestamp": 3654294763
-    },
-    "received_at": "2023-12-15T08:11:03.938112475Z",
-    "consumed_airtime": "0.056576s",
-    "locations": {
-      "user": {
-        "latitude": 52.1710648323742,
-        "longitude": 7.62751003482794,
-        "altitude": 37,
-        "source": "SOURCE_REGISTRY"
-      }
-    },
-    "version_ids": {
-      "brand_id": "dragino",
-      "model_id": "ldds75",
-      "hardware_version": "_unknown_hw_version_",
-      "firmware_version": "1.1.4",
-      "band_id": "EU_863_870"
-    },
-    "network_ids": {
-      "net_id": "000013",
-      "ns_id": "EC656E0000000181",
-      "tenant_id": "ttn",
-      "cluster_id": "eu1",
-      "cluster_address": "eu1.cloud.thethings.network"
-    }
-  }
-}

src/udi/handlers/ttn/models/draginoLmds200/draginoLmds200.go

@@ -1,90 +0,0 @@
-package draginoLmds200
-
-import (
-  "fmt"
-  "strconv"
-  "encoding/json"
-  "udi/database"
-)
-
-/*
-    "decoded_payload": {
-      "Bat": 3.082,
-      "DALARM_count": 0,
-      "Distance_alarm": 0,
-      "Interrupt_alarm": 0,
-      "dis1": 105,
-      "dis2": 201
-    },
-*/
-type message struct {
-  Bat float32 `json:"Bat"`
-  DALARM_count int `json:"DALARM_count"`
-  Distance_alarm int `json:"Distance_alarm"`
-  Interrupt_alarm int `json:"Interrupt_alarm"`
-  Dis1 int `json:"dis1"`
-  Dis2 int `json:"dis2"`
-}
-
-func Parse(fPort int, decodedPayload []byte, _ string, variables *map[string]database.VariableType, attributes *map[string]interface{}, device *database.Device) error {
-  if fPort != 2 {
-    return fmt.Errorf("Unexpected fPort %d", fPort)
-  }
-  var message message
-  err := json.Unmarshal(decodedPayload, &message)
-  if err != nil {
-    return fmt.Errorf("Unable to parse payload, fPort %d, error %s", fPort, err)
-  }
-  (*variables)["Battery"] = database.VariableType {
-    Label: "Battery",
-    Variable: "Voltage",
-    Unit: "V",
-    Value: message.Bat,
-  }
-  distance1 := message.Dis1 * 10
-  (*variables)["Distance1"] = database.VariableType {
-    Label: "Distance1",
-    Variable: "Level",
-    Unit: "mm",
-    Value: distance1,
-  }
-  distance2 := message.Dis2 * 10
-  (*variables)["Distance2"] = database.VariableType {
-    Label: "Distance2",
-    Variable: "Level",
-    Unit: "mm",
-    Value: distance2,
-  }
-
-  if distance1 == 2 {
-    (*attributes)["Status"] = "invalid value"
-  } else if distance1 == 1 {
-    (*attributes)["Status"] = "no sensor detected"
-  } else {
-    (*attributes)["Status"] = "Ok"
-  }
-
-  groundLevelI, exists := device.Attributes["GroundLevel"]
-  groundLevelS, ok := groundLevelI.(string)
-  groundLevel, err3 := strconv.Atoi(groundLevelS)
-  if exists && err3 == nil && ok {
-    correctedDistance1 := groundLevel - distance1
-    (*variables)["CorrectedDistance1"] = database.VariableType {
-      Label: "CorrectedDistance1",
-      Variable: "Level",
-      Unit: "mm",
-      Value: correctedDistance1,
-    }
-    correctedDistance2 := groundLevel - distance2
-    (*variables)["CorrectedDistance2"] = database.VariableType {
-      Label: "CorrectedDistance2",
-      Variable: "Level",
-      Unit: "mm",
-      Value: correctedDistance2,
-    }
-  }
-  return nil
-}
-
-
-

src/udi/handlers/ttn/models/draginoLse01/draginoLse01.go

@@ -1,63 +0,0 @@
-package draginoLse01
-
-import (
-  "fmt"
-  "encoding/json"
-  "udi/database"
-)
-
-/*
-{
-  "Bat":3.211,
-  "TempC_DS18B20":"0.0",
-  "conduct_SOIL":32,
-  "temp_SOIL":"7.56",
-  "water_SOIL":"25.92"
-}
-*/
-
-type message struct {
-  Bat float32 `json:"Bat"`
-  TempC_DS18B20 string `json:"TempC_DS18B20"`
-  Conduct_SOIL int `json:"conduct_SOIL"`
-  Temp_SOIL string `json:"temp_SOIL"`
-  Water_SOIL string `json:"water_SOIL"`
-}
-
-func Parse(fPort int, decodedPayload []byte, _ string, variables *map[string]database.VariableType, _ *map[string]interface{}, _ *database.Device) error {
-  if fPort != 2 {
-    return fmt.Errorf("Unexpected fPort %d", fPort)
-  }
-  var message message
-  err := json.Unmarshal(decodedPayload, &message)
-  if err != nil {
-    return fmt.Errorf("Unable to parse payload, fPort %d, error %s", fPort, err)
-  }
-  (*variables)["Battery"] = database.VariableType {
-    Label: "Battery",
-    Variable: "Voltage",
-    Unit: "V",
-    Value: message.Bat,
-  }
-  (*variables)["Conductance"] = database.VariableType {
-    Label: "Conductance",
-    Variable: "Conductance",
-    Unit: "uS/cm",
-    Value: message.Conduct_SOIL,
-  }
-  (*variables)["Temperature"] = database.VariableType {
-    Label: "Temperature",
-    Variable: "Temperature",
-    Unit: "°C",
-    Value: message.Temp_SOIL,
-  }
-  (*variables)["Water"] = database.VariableType {
-    Label: "Water",
-    Variable: "Water",
-    Unit: "%",
-    Value: message.Water_SOIL,
-  }
-
-  return nil
-}
-

src/udi/handlers/ttn/models/draginoLsn50/draginoLsn50.go

@@ -1,74 +0,0 @@
-package draginoLsn50
-
-import (
-  "fmt"
-  "encoding/json"
-  "udi/database"
-)
-
-/*
-      "decoded_payload": {
-        "ALARM_status": "FALSE",
-        "BatV": 3.659,
-        "Temp_Black": 3276.7,
-        "Temp_Red": 22.6,
-        "Temp_White": 3276.7,
-        "Work_mode": "DS18B20"
-      },
-*/
-type message struct {
-  ALARM_status string `json:"ALARM_status"`
-  Bat float32 `json:"BatV"`
-  Work_mode string `json:"Work_mode"`
-  Temp_Black float32 `json:"Temp_Black"`
-  Temp_Red float32 `json:"Temp_Red"`
-  Temp_White float32 `json:"Temp_White"`
-}
-
-func Parse(fPort int, decodedPayload []byte, _ string, variables *map[string]database.VariableType, attributes *map[string]interface{}, device *database.Device) error {
-  if fPort != 2 {
-    return fmt.Errorf("Unexpected fPort %d", fPort)
-  }
-  var message message
-  err := json.Unmarshal(decodedPayload, &message)
-  if err != nil {
-    return fmt.Errorf("Unable to parse payload, fPort %d, error %s", fPort, err)
-  }
-  (*variables)["Battery"] = database.VariableType {
-    Label: "Battery",
-    Variable: "Voltage",
-    Unit: "V",
-    Value: message.Bat,
-  }
-  (*variables)["Alarm"] = database.VariableType {
-    Label: "Alarm",
-    Variable: "Alarm",
-    Unit: "",
-    Value: message.ALARM_status,
-  }
-  (*variables)["Temp_Red"] = database.VariableType {
-    Label: "Temp_Red",
-    Variable: "Temperature",
-    Unit: "°C",
-    Value: message.Temp_Red,
-  }
-  (*variables)["Temp_Black"] = database.VariableType {
-    Label: "Temp_Black",
-    Variable: "Temperature",
-    Unit: "°C",
-    Value: message.Temp_Black,
-  }
-  (*variables)["Temp_White"] = database.VariableType {
-    Label: "Temp_White",
-    Variable: "Temperature",
-    Unit: "°C",
-    Value: message.Temp_White,
-  }
-
-  (*attributes)["Status"] = "Ok"
-
-  return nil
-}
-
-
-

src/udi/handlers/ttn/models/emuProfIILoRaCfg1/emuProfIILoRaCfg1.go

@@ -177,81 +177,83 @@ type emuMessage1 struct {
 
 
 
-func Parse(fPort int, decodedPayload []byte, _ string, variables *map[string]database.VariableType, _ *map[string]interface{}, _ *database.Device) error {
+func Parse(fPort int, decodedPayload []byte) (map[string]database.VariableType, error) {
   //log.Printf("Parse input: %d, %s", fPort, decodedPayload)
   switch fPort {
   case 1:
     var emuMessage1 emuMessage1
     err := json.Unmarshal(decodedPayload, &emuMessage1)
     if err != nil {
-      return fmt.Errorf("Unable to parse payload, fPort %d, error %s", fPort, err)
+      return nil, fmt.Errorf("Unable to parse payload, fPort %d, error %s", fPort, err)
     }
-    (*variables)["ActivePowerL1"] = database.VariableType { 
+    variables := make(map[string]database.VariableType)
+    variables["ActivePowerL1"] = database.VariableType { 
       Variable: "ActivePowerL1", 
       Unit: emuMessage1.ActivePowerL1.Unit,
       Value: emuMessage1.ActivePowerL1.Value,
     }
-    (*variables)["ActivePowerL2"] = database.VariableType { 
+    variables["ActivePowerL2"] = database.VariableType { 
       Variable: "ActivePowerL2", 
       Unit: emuMessage1.ActivePowerL2.Unit,
       Value: emuMessage1.ActivePowerL2.Value,
     }
-    (*variables)["ActivePowerL3"] = database.VariableType { 
+    variables["ActivePowerL3"] = database.VariableType { 
       Variable: "ActivePowerL3", 
       Unit: emuMessage1.ActivePowerL3.Unit,
       Value: emuMessage1.ActivePowerL3.Value,
     }
-    (*variables)["ActivePowerL123"] = database.VariableType { 
+    variables["ActivePowerL123"] = database.VariableType { 
       Variable: "ActivePowerL123", 
       Unit: emuMessage1.ActivePowerL123.Unit,
       Value: emuMessage1.ActivePowerL123.Value,
     }
-    (*variables)["PowerfactorL1"] = database.VariableType { 
+    variables["PowerfactorL1"] = database.VariableType { 
       Variable: "PowerfactorL1", 
       Unit: emuMessage1.PowerfactorL1.Unit,
       Value: emuMessage1.PowerfactorL1.Value,
     }
-    (*variables)["PowerfactorL2"] = database.VariableType { 
+    variables["PowerfactorL2"] = database.VariableType { 
       Variable: "PowerfactorL2", 
       Unit: emuMessage1.PowerfactorL2.Unit,
       Value: emuMessage1.PowerfactorL2.Value,
     }
-    (*variables)["PowerfactorL3"] = database.VariableType { 
+    variables["PowerfactorL3"] = database.VariableType { 
       Variable: "PowerfactorL3", 
       Unit: emuMessage1.PowerfactorL3.Unit,
       Value: emuMessage1.PowerfactorL3.Value,
     }
 
-    return nil
+    return variables, nil
   case 2:
     var emuMessage2 emuMessage2
     err := json.Unmarshal(decodedPayload, &emuMessage2)
     if err != nil {
-      return fmt.Errorf("Unable to parse payload, fPort %d, error %s", fPort, err)
+      return nil, fmt.Errorf("Unable to parse payload, fPort %d, error %s", fPort, err)
     }
-    (*variables)["ActiveEnergyExport"] = database.VariableType { 
+    variables := make(map[string]database.VariableType)
+    variables["ActiveEnergyExport"] = database.VariableType { 
       Variable: "ActiveEnergyExport", 
       Unit: emuMessage2.ActiveEnergyExport.Unit,
       Value: emuMessage2.ActiveEnergyExport.Value,
     }
-    (*variables)["ActiveEnergyImport"] = database.VariableType { 
+    variables["ActiveEnergyImport"] = database.VariableType { 
       Variable: "ActiveEnergyImport", 
       Unit: emuMessage2.ActiveEnergyImport.Unit,
       Value: emuMessage2.ActiveEnergyImport.Value,
     }
-    (*variables)["ReactiveEnergyExport"] = database.VariableType { 
+    variables["ReactiveEnergyExport"] = database.VariableType { 
       Variable: "ReactiveEnergyExport", 
       Unit: emuMessage2.ReactiveEnergyExport.Unit,
       Value: emuMessage2.ReactiveEnergyExport.Value,
     }
-    (*variables)["ReactiveEnergyImport"] = database.VariableType { 
+    variables["ReactiveEnergyImport"] = database.VariableType { 
       Variable: "ReactiveEnergyImport", 
       Unit: emuMessage2.ReactiveEnergyImport.Unit,
       Value: emuMessage2.ReactiveEnergyImport.Value,
     }
-    return nil
+    return variables, nil
   default:
-    return fmt.Errorf("Unexpected fPort %d", fPort)
+    return nil, fmt.Errorf("Unexpected fPort %d", fPort)
   }
 }
 

src/udi/handlers/ttn/models/hottisGy21/hottisGY21.go

@@ -1,55 +0,0 @@
-package hottisGy21
-
-import (
-  //"log"
-  "fmt"
-  "bytes"
-  "encoding/base64"
-  "encoding/binary"
-  "udi/database"
-)
-
-type hottisGy21Values struct {
-  Connected uint8
-  Status uint8
-  RawHumidity uint16
-  RawTemperature uint16
-}
-
-
-func Parse(fPort int, _ []byte, frmPayload string, variables *map[string]database.VariableType, attributes *map[string]interface{}, _ *database.Device) error {
-  if fPort != 2 {
-    return fmt.Errorf("Unexpected fPort %d", fPort)
-  }
-
-  b, err := base64.StdEncoding.DecodeString(frmPayload)
-  if err != nil {
-    return fmt.Errorf("Unable to base64-decode payload: %v", err)
-  }
-
-  var values hottisGy21Values
-  err = binary.Read(bytes.NewReader(b), binary.LittleEndian, &values)
-  if err != nil {
-    return fmt.Errorf("Unable to cast into struct: %v", err)
-  }
-  var temperature float32 = -46.85 + 175.72 * (float32(values.RawTemperature) / 65536.0)
-  var humidity float32 = -6 + 125 * (float32(values.RawHumidity) / 65536.0);
-
-  // log.Printf("CO2: %f, Temp: %f, Hum: %f, Status: %d", co2concentration, temperature, humidity, values.Status)
-
-  (*variables)["Humidity"] = database.VariableType {
-    Label: "Humidity",
-    Variable: "Humidity",
-    Unit: "%",
-    Value: humidity,
-  }
-  (*variables)["Temperature"] = database.VariableType {
-    Label: "Temperature",
-    Variable: "Temperature",
-    Unit: "°C",
-    Value: temperature,
-  }
-
-  (*attributes)["Status"] = values.Status
-  return nil
-}

src/udi/handlers/ttn/models/hottisScd30/hottisScd30.go

@@ -1,69 +0,0 @@
-package hottisScd30
-
-import (
-  //"log"
-  "fmt"
-  "bytes"
-  "encoding/base64"
-  "encoding/binary"
-  "udi/database"
-)
-
-type hottisScd30Values struct {
-  Status uint8
-  CO2Conc int32
-  Temp int32
-  Hum int32
-  Bri int32
-}
-
-
-func Parse(fPort int, _ []byte, frmPayload string, variables *map[string]database.VariableType, attributes *map[string]interface{}, _ *database.Device) error {
-  if fPort != 2 {
-    return fmt.Errorf("Unexpected fPort %d", fPort)
-  }
-
-  b, err := base64.StdEncoding.DecodeString(frmPayload)
-  if err != nil {
-    return fmt.Errorf("Unable to base64-decode payload: %v", err)
-  }
-
-  var values hottisScd30Values
-  err = binary.Read(bytes.NewReader(b), binary.LittleEndian, &values)
-  if err != nil {
-    return fmt.Errorf("Unable to cast into struct: %v", err)
-  }
-  var co2concentration float32 = float32(values.CO2Conc) / 100;
-  var temperature float32 = float32(values.Temp) / 100;
-  var humidity float32 = float32(values.Hum) / 100;
-
-  // log.Printf("CO2: %f, Temp: %f, Hum: %f, Status: %d", co2concentration, temperature, humidity, values.Status)
-
-  (*variables)["CO2concentration"] = database.VariableType {
-    Label: "CO2concentration",
-    Variable: "Concentration",
-    Unit: "ppm",
-    Value: co2concentration,
-  }
-  (*variables)["Temperature"] = database.VariableType {
-    Label: "Temperature",
-    Variable: "Temperature",
-    Unit: "°C",
-    Value: temperature,
-  }
-  (*variables)["Humidity"] = database.VariableType {
-    Label: "Humidity",
-    Variable: "Humidity",
-    Unit: "%",
-    Value: humidity,
-  }
-  (*variables)["Brightness"] = database.VariableType {
-    Label: "Brightness",
-    Variable: "Brightness",
-    Unit: "",
-    Value: values.Bri,
-  }
-
-  (*attributes)["Status"] = values.Status
-  return nil
-}

src/udi/handlers/ttn/models/hottisThreeWayThermometer/hottisThreeWayThermometer.go

@@ -1,93 +0,0 @@
-package hottisThreeWayThermometer
-
-import (
-  "log"
-  "fmt"
-  "bytes"
-  "strconv"
-  "encoding/base64"
-  "encoding/binary"
-  "udi/database"
-)
-
-type hottisThreeWayThermometerValues struct {
-  Status uint8
-  Battery uint16
-  SensorAddress1 uint64
-  Value1 int32
-  SensorAddress2 uint64
-  Value2 int32
-  SensorAddress3 uint64
-  Value3 int32 
-}
-
-func getSensorName(sensorsMap *map[string]interface{}, sensorAddress uint64) string {
-  key := strconv.FormatUint(sensorAddress, 10)
-	if sensorName, exists := (*sensorsMap)[key].(string); exists {
-		return sensorName
-	}
-	return "Sensor" + key
-}
-
-func Parse(fPort int, _ []byte, frmPayload string, variables *map[string]database.VariableType, attributes *map[string]interface{}, device *database.Device) error {
-  deviceAttrs := (*device).Attributes
-  sensorsMap := deviceAttrs["Sensors"].(map[string]interface{})
-
-  if fPort != 2 {
-    return fmt.Errorf("Unexpected fPort %d", fPort)
-  }
-
-  b, err := base64.StdEncoding.DecodeString(frmPayload)
-  if err != nil {
-    return fmt.Errorf("Unable to base64-decode payload: %v", err)
-  }
-
-  var values hottisThreeWayThermometerValues
-  err = binary.Read(bytes.NewReader(b), binary.LittleEndian, &values)
-  if err != nil {
-    return fmt.Errorf("Unable to cast into struct: %v", err)
-  }
-
-  var battery float32 = float32(values.Battery) / 1000.0
-  var value1 float32 = float32(values.Value1) / 128.0
-  var value2 float32 = float32(values.Value2) / 128.0
-  var value3 float32 = float32(values.Value3) / 128.0
-
-  //log.Printf("Status: %d, Battery: %d", values.Status, values.Battery);
-  log.Printf("Status: %d", values.Status);
-  log.Printf("Battery: %d, %f", values.Battery, battery);
-  log.Printf("Sensor1: Addr: %d, Value: %f", values.SensorAddress1, value1);
-  log.Printf("Sensor2: Addr: %d, Value: %f", values.SensorAddress2, value2);
-  log.Printf("Sensor3: Addr: %d, Value: %f", values.SensorAddress3, value3);
-
-  (*variables)["Battery"] = database.VariableType {
-    Label: "Battery",
-    Variable: "Voltage",
-    Unit: "V",
-    Value: battery,
-  }
-  (*variables)["Temperature1"] = database.VariableType {
-    Label: getSensorName(&sensorsMap, values.SensorAddress1),
-    Variable: "Temperature",
-    Unit: "°C",
-    Value: value1,
-  }
-  (*variables)["Temperature2"] = database.VariableType {
-    Label: getSensorName(&sensorsMap, values.SensorAddress2),
-    Variable: "Temperature",
-    Unit: "°C",
-    Value: value2,
-  }
-  (*variables)["Temperature3"] = database.VariableType {
-    Label: getSensorName(&sensorsMap, values.SensorAddress3),
-    Variable: "Temperature",
-    Unit: "°C",
-    Value: value3,
-  }
-
-  (*attributes)["Status"] = values.Status
-  (*attributes)["SensorAddress1"] = values.SensorAddress1
-  (*attributes)["SensorAddress2"] = values.SensorAddress2
-  (*attributes)["SensorAddress3"] = values.SensorAddress3
-  return nil
-}

src/udi/handlers/ttn/models/rawPayloadPrinter/rawPayloadPrinter.go

@@ -1,25 +0,0 @@
-package rawPayloadPrinter
-
-import (
-  "log"
-  "fmt"
-  "encoding/base64"
-  "encoding/hex"
-  "udi/database"
-)
-
-
-func Parse(fPort int, _ []byte, frmPayload string, variables *map[string]database.VariableType, _ *map[string]interface{}, _ *database.Device) error {
-  if fPort != 2 {
-    return fmt.Errorf("Unexpected fPort %d", fPort)
-  }
-
-  bytes, err := base64.StdEncoding.DecodeString(frmPayload)
-  if err != nil {
-    return fmt.Errorf("Unable to base64-decode payload: %v", err)
-  }
-  hexString := hex.EncodeToString(bytes)
-
-  log.Printf("Payload: %s", hexString)
-  return nil
-}

src/udi/handlers/ttn/ttn.go

@@ -1,27 +1,18 @@
 package ttn
 
-import (
+import "log"
-  "fmt"
+import "fmt"
-  "log"
+import "time"
-  "time"
+import "encoding/json"
-  "encoding/json"
+import "udi/config"
-  "udi/config"
+import "udi/handlers/handler"
-  "udi/handlers/handler"
+import "udi/handlers/ttn/models/emuProfIILoRaCfg1"
-  "udi/handlers/ttn/models/emuProfIILoRaCfg1"
+import "udi/database"
-  "udi/handlers/ttn/models/draginoLdds75"
-  "udi/handlers/ttn/models/draginoLmds200"
-  "udi/handlers/ttn/models/draginoLse01"
-  "udi/handlers/ttn/models/draginoLsn50"
-  "udi/handlers/ttn/models/rawPayloadPrinter"
-  "udi/handlers/ttn/models/hottisScd30"
-  "udi/handlers/ttn/models/hottisGy21"
-  "udi/handlers/ttn/models/hottisThreeWayThermometer"
-  "udi/database"
-)
 
+var idSeq int = 0
 
 type TTNHandler struct {
-  handler.CommonHandler
+  id int
   dbh *database.DatabaseHandle
 }
 
@@ -81,17 +72,25 @@ func (self *DecodedPayloaderHolder) UnmarshalJSON(data []byte) error {
   return nil
 }
 
-func New(id string, config config.HandlerConfigT) handler.Handler {
+func NewTTNHandler(config config.HandlerConfigT) handler.Handler {
   t := &TTNHandler {
+    id: idSeq,
   }
-  t.Id = id
+  idSeq += 1
-  t.dbh = database.NewDatabaseHandle()
+  t.dbh = database.NewDatabaseHandle(config.DatabaseConnStr)
-  log.Printf("Handler TTN %d initialized", id)
   return t
 }
 
+func (self *TTNHandler) GetId() string {
+  return fmt.Sprintf("TTN%d", self.id)
+}
+
+func lost(msg string, message handler.MessageT) {
+  log.Printf("Error: %s, message %s is lost", msg, message)
+}
+
 func (self *TTNHandler) Handle(message handler.MessageT) {
-  //log.Printf("Handler TTN %d processing %s -> %s", self.Id, message.Topic, message.Payload)
+  // log.Printf("Handler TTN %d processing %s -> %s", self.id, message.Topic, message.Payload)
 
   var measurement database.Measurement
   measurement.Time = time.Now()
@@ -99,7 +98,7 @@ func (self *TTNHandler) Handle(message handler.MessageT) {
   var uplinkMessage uplinkMessage
   err := json.Unmarshal([]byte(message.Payload), &uplinkMessage)
   if err != nil {
-    self.Lost("Error when unmarshaling message", err, message)
+    lost(fmt.Sprintf("Error when unmarshaling message: %s, ", err), message)
     return
   }
   //log.Printf("Parsed message: %s", uplinkMessage)
@@ -112,7 +111,7 @@ func (self *TTNHandler) Handle(message handler.MessageT) {
   attributes.FrmPayload = uplinkMessage.UplinkMessage.FrmPayload
   attributes.ConsumedAirtime = uplinkMessage.UplinkMessage.ConsumedAirtime
   for _, rxm := range uplinkMessage.UplinkMessage.RxMetadata {
-    //log.Printf("RXM: %s", rxm)
+    log.Printf("RXM: %s", rxm)
     g := gatewayAttributes { GatewayId: rxm.GatewayIds.GatewayId, Rssi: rxm.Rssi, Snr: rxm.Snr }
     attributes.Gateways = append(attributes.Gateways, g)
   }
@@ -130,54 +129,31 @@ func (self *TTNHandler) Handle(message handler.MessageT) {
   //log.Printf("ApplicationId: %s, DeviceId: %s", attributes.ApplicationId, attributes.DeviceId)
   device, err2 := self.dbh.GetDeviceByLabelAndApplication(attributes.ApplicationId, attributes.DeviceId)
   if err2 != nil {
-    self.Lost("Error when loading device", err2, message)
+    lost(fmt.Sprintf("Error when loading device: %s, ", err2), message)
     return
   }
   measurement.Application = attributes.ApplicationId
   measurement.Device = attributes.DeviceId
-  measurement.Attributes["DeviceType"] = device.DeviceType.ModelIdentifier
 
   //log.Printf("DeviceLabel: %s, DeviceType: %s", device.Label, device.DeviceType.ModelIdentifier)
 
-  var parser func(int, []byte, string, *map[string]database.VariableType, *map[string]interface{}, *database.Device) error
+  var parser func(int, []byte) (map[string]database.VariableType, error)
   switch device.DeviceType.ModelIdentifier {
   case "emu-prof-ii-lora-cfg1":
     parser = emuProfIILoRaCfg1.Parse
-  case "dragino-ldds75":
-    parser = draginoLdds75.Parse
-  case "dragino-lmds200":
-    parser = draginoLmds200.Parse
-  case "dragino-lse01":
-    parser = draginoLse01.Parse
-  case "dragino-lsn50":
-    parser = draginoLsn50.Parse
-  case "raw-payload-printer":
-    parser = rawPayloadPrinter.Parse
-  case "hottis-scd30":
-    parser = hottisScd30.Parse
-  case "hottis-gy21":
-    parser = hottisGy21.Parse
-  case "hottis-threeway-thermometer":
-    parser = hottisThreeWayThermometer.Parse
   default:
-    self.Lost(fmt.Sprintf("No parser found for %s", device.DeviceType.ModelIdentifier), nil, message)
+    lost(fmt.Sprintf("No parser found for %s", device.DeviceType.ModelIdentifier), message)
     return
   }
 
-  measurement.Values = make(map[string]database.VariableType)
+  variables, err3 := parser(uplinkMessage.UplinkMessage.FPort, uplinkMessage.UplinkMessage.DecodedPayload.Payload)
-  err3 := parser(uplinkMessage.UplinkMessage.FPort, 
-                 uplinkMessage.UplinkMessage.DecodedPayload.Payload, 
-                 uplinkMessage.UplinkMessage.FrmPayload,
-                 &(measurement.Values), 
-                 &(measurement.Attributes),
-                 device)
   if err3 != nil {
-    self.Lost("Model parser failed", err3, message)
+    lost(fmt.Sprintf("Model parser failed: %s", err3), message)
     return
   }
-  //log.Printf("Prepared measurement item: %s", measurement)
+  measurement.Values = variables
+  log.Printf("Prepared measurement item: %s", measurement)
   self.dbh.StoreMeasurement(&measurement)
-  self.S()
 }
 
 

src/udi/handlers/z2m/models/gs361ah04/gs361ah04.go

@@ -1,15 +0,0 @@
-package gs361ah04
-
-type Observation struct {
-  LinkQuality uint8 `unit:"" json:"linkquality"`
-  Battery uint8 `unit:"%" json:"battery"`
-  AwayMode string `unit:"" json:"away_mode"`
-  ChildLock string `unit:"" json:"child_lock"`
-  CurrentHeatingSetpoint float32 `unit:"°C" json:"current_heating_setpoint"`
-  LocalTemperature float32 `unit:"°C" json:"local_temperature"`
-  Preset string `unit:"" json:"preset"`
-  SystemMode string `unit:"" json:"system_mode"`
-  ValveDetection string `unit:"" json:"valve_detection"`
-  WindowDetection string `unit:"" json:"window_detection"`
-}
-

src/udi/handlers/z2m/models/wsdcgq01lm/wsdcgq01lm.go

@@ -1,11 +0,0 @@
-package wsdcgq01lm
-
-type Observation struct {
-  LinkQuality uint8 `unit:"" json:"linkquality"`
-  Battery uint8 `unit:"%" json:"battery"`
-  Humidity float32 `unit:"%H" json:"humidity"`
-  Pressure float32 `unit:"mbar" json:"pressure"`
-  Temperature float32 `unit:"°C" json:"temperature"`
-  Voltage uint16 `unit:"mV" json:"voltage"`
-}
-

src/udi/handlers/z2m/models/wsdcgq11lm/wsdcgq11lm.go

@@ -1,10 +0,0 @@
-package wsdcgq11lm
-
-type Observation struct {
-  LinkQuality uint8 `unit:"" json:"linkquality"`
-  Battery uint8 `unit:"%" json:"battery"`
-  Humidity float32 `unit:"%H" json:"humidity"`
-  Temperature float32 `unit:"°C" json:"temperature"`
-  Voltage uint16 `unit:"mV" json:"voltage"`
-}
-

src/udi/handlers/z2m/z2m.go

@@ -1,113 +0,0 @@
-package z2m
-
-import (
-  "fmt"
-  "log"
-  "time"
-  "strings"
-  "reflect"
-  "encoding/json"
-  "udi/config"
-  "udi/handlers/handler"
-  "udi/database"
-  "udi/handlers/z2m/models/wsdcgq11lm"
-  "udi/handlers/z2m/models/wsdcgq01lm"
-  "udi/handlers/z2m/models/gs361ah04"
-)
-
-
-type Z2MHandler struct {
-  handler.CommonHandler
-  dbh *database.DatabaseHandle
-}
-
-func parse(T any, payload string, variables *map[string]database.VariableType) error {
-  observationType := reflect.TypeOf(T)
-  observation := reflect.New(observationType).Interface()
-
-  err := json.Unmarshal([]byte(payload), observation)
-  if err != nil {
-    return fmt.Errorf("Unable to parse payload into Observation struct: %v, %s", err, payload)
-  }
-
-  observationValue := reflect.ValueOf(observation).Elem()
-
-  for i := 0; i < observationType.NumField(); i++ {
-    field := observationType.Field(i)
-    name := field.Name
-    unit := field.Tag.Get("unit")
-    value := observationValue.Field(i).Interface()
-
-    (*variables)[name] = database.VariableType {
-      Label: name,
-      Variable: "y",
-      Unit: unit,
-      Value: value,
-    }
-  }
-
-
-  return nil
-}
-
-func New(id string, config config.HandlerConfigT) handler.Handler {
-  t := &Z2MHandler {
-  }
-  t.Id = id
-  t.dbh = database.NewDatabaseHandle()
-  log.Printf("Handler Z2M %d initialized", id)
-  return t
-}
-
-func (self *Z2MHandler) Handle(message handler.MessageT) {
-  log.Printf("Handler Z2M %d processing %s -> %s", self.Id, message.Topic, message.Payload)
-
-  var measurement database.Measurement
-  measurement.Time = time.Now()
-
-
-  subTopics := strings.Split(message.Topic, "/")
-  deviceId := subTopics[1]
-  log.Printf("DeviceId: %s", deviceId)
-  device, err1 := self.dbh.GetDeviceByLabel(deviceId)
-  if err1 != nil {
-    self.Lost("Error when loading device", err1, message)
-    return
-  }
-  log.Printf("Device: %s", device)
-
-  measurement.Application = device.Application.Label
-  measurement.Device = device.Attributes["Label"].(string)
-
-  var T any
-  switch device.DeviceType.ModelIdentifier {
-  case "WSDCGQ11LM":
-    T = wsdcgq11lm.Observation{}
-  case "WSDCGQ01LM":
-    T = wsdcgq01lm.Observation{}
-  case "GS361A-H04":
-    T = gs361ah04.Observation{}
-  default:
-    self.Lost(fmt.Sprintf("No parser found for %s", device.DeviceType.ModelIdentifier), nil, message)
-    return
-  }
-
-  measurement.Values = make(map[string]database.VariableType)
-  measurement.Attributes = make(map[string]interface{})
-  err3 := parse(T, 
-                message.Payload,
-                &(measurement.Values))
-  if err3 != nil {
-    self.Lost("Model parser failed", err3, message)
-    return
-  }
-
-  measurement.Attributes["Status"] = "ok"
-  measurement.Attributes["DeviceId"] = deviceId
-  measurement.Attributes["DeviceModel"] = device.DeviceType.ModelIdentifier
-  log.Printf("Prepared measurement item: %s", measurement)
-  self.dbh.StoreMeasurement(&measurement)
-  self.S()
-}
-
-

src/udi/main.go

@@ -5,7 +5,6 @@ import "os"
 import "os/signal"
 import "udi/mqtt"
 import "udi/config"
-import "udi/counter"
 import "udi/dispatcher"
 
 
@@ -24,8 +23,6 @@ func main() {
   mqtt.StartMqttClient()
   defer mqtt.StopMqttClient()
 
-  counter.InitCounter()
-
   log.Println("UDI running")
 
   c := make(chan os.Signal, 1)

src/udi/mqtt/mqtt.go

@@ -7,7 +7,6 @@ import MQTT "github.com/eclipse/paho.mqtt.golang"
 import "github.com/google/uuid"
 import "crypto/tls"
 import "udi/config"
-import "udi/counter"
 
 type Message struct {
   Topic string
@@ -27,12 +26,10 @@ func onMessageReceived(client MQTT.Client, message MQTT.Message) {
   }
   select {
   case InputChannel <- m:
-    counter.S("Received")
     {}
     //log.Println("Message sent to channel")
   default:
     log.Println("Channel full, message lost")
-    counter.F("Received")
   }
 }
 
@@ -57,7 +54,7 @@ func onConnect(client MQTT.Client) {
     if token := client.Subscribe(topic, 0, onMessageReceived); token.Wait() && token.Error() != nil {
       log.Fatalf("Unable to subscribe to topic %s, error %s", topic, token.Error())
     }
-    log.Printf("Topic %s subscribed", topic)
+    log.Printf("Successfully subscribed to topic %s", topic)
   }
 }
 
@@ -104,19 +101,19 @@ func StartMqttClient() {
 
   enableTls := config.Config.Mqtt.TlsEnable
   if enableTls == "true" {
-    //log.Println("Enabling TLS connection")
+    log.Println("Enabling TLS connection")
     tlsConfig := &tls.Config { 
       InsecureSkipVerify: true, 
     }
     opts.SetTLSConfig(tlsConfig)
 	}
 
-  log.Println("Broker connecting")
+  log.Println("Trying to connect to broker")
   mqttClient = MQTT.NewClient(opts)
   if token := mqttClient.Connect(); token.Wait() && token.Error() != nil {
     log.Fatalf("Unable to connect to broker %s, error %s", broker, token.Error())
   }
-  //log.Printf("Successfully connected to broker %s", broker)
+  log.Printf("Successfully connected to broker %s", broker)
 
   go outputDispatcher(mqttClient)