float fix 2

.woodpecker.yml

@@ -1,32 +1,39 @@
+when:
+  - event: tag
+
+
 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 ../..
+
+  dockerize:
     image: plugins/kaniko
     settings:
       repo: ${FORGE_NAME}/${CI_REPO}
       registry: 
-        from_secret: container_registry
-      tags: latest,${CI_COMMIT_SHA},${CI_COMMIT_TAG}
+        from_secret: local_registry
+      tags: latest,${CI_COMMIT_TAG}
       username: 
-        from_secret: container_registry_username
+        from_secret: local_username
       password: 
-        from_secret: container_registry_password
+        from_secret: local_password
       dockerfile: Dockerfile
-    when:
-      - event: [push, tag]
 
   deploy:
-    image: portainer/kubectl-shell:latest
-    secrets:
-      - source: kube_config
-        target: KUBE_CONFIG_CONTENT
-      - source: encryption_key
-        target: ENCRYPTION_KEY
-      - source: secrets_checksum
-        target: MD5_CHECKSUM
+    image: quay.io/wollud1969/k8s-admin-helper:0.4.1
+    environment:
+      KUBE_CONFIG_CONTENT:
+        from_secret: kube_config
+      GPG_PASSPHRASE:
+        from_secret: gpg_passphrase
     commands:
       - export IMAGE_TAG=$CI_COMMIT_TAG
       - printf "$KUBE_CONFIG_CONTENT" > /tmp/kubeconfig
       - export KUBECONFIG=/tmp/kubeconfig
       - ./deployment/deploy.sh
-    when:
-      - event: tag

Dockerfile

@@ -1,15 +1,8 @@
-FROM golang:1.22.5-alpine3.20 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 --from=builder /go/src/udi ./
+COPY udi ./
+
 ENTRYPOINT ["./udi"]
 

attic/ttn/models/hottisGy21/hottisGY21.go

@@ -0,0 +1,55 @@
+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
+}

attic/ttn/ttn.go

@@ -2,7 +2,7 @@ package ttn
 
 import (
   "fmt"
-  //"log"
+  "log"
   "time"
   "encoding/json"
   "udi/config"
@@ -14,6 +14,7 @@ import (
   "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"
 )
@@ -85,6 +86,7 @@ func New(id string, config config.HandlerConfigT) handler.Handler {
   }
   t.Id = id
   t.dbh = database.NewDatabaseHandle()
+  log.Printf("Handler TTN %d initialized", id)
   return t
 }
 
@@ -153,6 +155,8 @@ func (self *TTNHandler) Handle(message handler.MessageT) {
     parser = rawPayloadPrinter.Parse
   case "hottis-scd30":
     parser = hottisScd30.Parse
+  case "hottis-gy21":
+    parser = hottisGy21.Parse
   case "hottis-threeway-thermometer":
     parser = hottisThreeWayThermometer.Parse
   default:

deployment/decrypt-secrets.sh

@@ -1,43 +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

@@ -17,7 +17,7 @@ metadata:
   labels:
     app: udi
   annotations:
-    secret.reloader.stakater.com/reload: "%PRE%-udi-conf,%PRE%-udi-db-cred,%PRE%-mqtt-password"
+    secret.reloader.stakater.com/reload: "%PRE%-udi-conf,%PRE%-udi-db-cred,%PRE%-mqtt-password,%PRE%-udi-influxdb-cred"
 spec:
   replicas: 1
   selector:
@@ -36,6 +36,8 @@ spec:
                 name: %PRE%-udi-db-cred
             - secretRef:
                 name: %PRE%-mqtt-password
+            - secretRef:
+                name: %PRE%-udi-influxdb-cred
             - configMapRef:
                 name: %PRE%-udi-conf
           volumeMounts:

deployment/deploy.sh

@@ -4,6 +4,11 @@ if [ "$IMAGE_TAG" == "" ]; then
   echo "Make sure IMAGE_TAG is set"
   exit 1
 fi
+if [ "$GPG_PASSPHRASE" == "" ]; then
+  echo "Make sure GPG_PASSPHRASE is set"
+  exit 1
+fi
+
 
 
 IMAGE_NAME=$FORGE_NAME/$CI_REPO
@@ -15,7 +20,10 @@ DEPLOYMENT_DIR=$PWD/deployment
 INSTANCES_DIR=$DEPLOYMENT_DIR/instances
 
 pushd $DEPLOYMENT_DIR > /dev/null
-./decrypt-secrets.sh || exit 1 
+# ./decrypt-secrets.sh || exit 1 
+# . /tmp/secrets
+
+gpg --decrypt --yes --batch --passphrase "$GPG_PASSPHRASE" --homedir /tmp/.gnupg -o /tmp/secrets secrets.asc
 . /tmp/secrets
 rm /tmp/secrets
 popd > /dev/null
@@ -58,7 +66,8 @@ for NAMESPACE_DIR in `find $INSTANCES_DIR -type d -mindepth 1 -maxdepth 1`; do
     NEW_UDI_DB_PASSWORD="${!PASSWORD_VARIABLE}"
     DATABASE_VARIABLE=$VARIABLE_PREFIX"_PGDATABASE"
     NEW_UDI_DB_DATABASE="${!DATABASE_VARIABLE}"
-    NEW_UDI_DB_HOST=timescaledb.database.svc.cluster.local
+    NEW_UDI_DB_HOST=database.database1.svc.cluster.local
+    INFLUXDB_URL=$VARIABLE_PREFIX"_INFLUXDB_URL"
 
     kubectl create secret generic $INSTANCE-udi-db-cred \
       --dry-run=client \
@@ -71,6 +80,13 @@ for NAMESPACE_DIR in `find $INSTANCES_DIR -type d -mindepth 1 -maxdepth 1`; do
       --from-literal=PGSSLMODE="require" | \
       kubectl apply -f - -n $NAMESPACE
 
+    kubectl create secret generic $INSTANCE-udi-influxdb-cred \
+      --dry-run=client \
+      -o yaml \
+      --save-config \
+      --from-literal=INFLUXDB_URL="${!INFLUXDB_URL}" | \
+      kubectl apply -f - -n $NAMESPACE
+
     # set configuration as configMap
     kubectl create configmap $INSTANCE-udi-conf \
       --from-literal=UDI_CONF="`cat $CONFIG_FILE`" \

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-influx/default/config.json

@@ -0,0 +1,226 @@
+{
+  "mqtt": {
+    "broker": "mqtt://mosquitto-broker-mqtt-anon-cluster.mosquitto.svc.cluster.local:1883",
+    "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",
+      "id": "PV",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+        }
+      }
+    },
+    {
+      "topics": [ "IoT/Car/Values" ],
+      "handler": "Car",
+      "id": "Car",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+        }
+      }
+    },
+    {
+      "topics": [ "locative/event/#" ],
+      "handler": "Locative",
+      "id": "Locative",
+      "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",
+          "valueType": "float",
+          "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": [ "zigbee2mqtt/+" ],
+      "handler": "Z2M",
+      "id": "Z2M",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+        }
+      }
+    },
+    {
+      "topics": [ "shellyplusht/+/status/temperature:0" ],
+      "handler": "SVEJ",
+      "id": "SVEJ2",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+          "application": "Temperature Shelly Plus HT",
+          "deviceSelector": "T:1",
+          "valueSelector": "J:$.tC",
+          "unitSelector": "C:°C"
+        }
+      }
+    },
+    {
+      "topics": [ "shellyplusht/+/status/humidity:0" ],
+      "handler": "SVEJ",
+      "id": "SVEJ3",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+          "application": "Humidity Shelly Plus HT",
+          "deviceSelector": "T:1",
+          "valueSelector": "J:$.rh",
+          "unitSelector": "C:%"
+        }
+      }
+    },
+    {
+      "topics": [ "shellies/sensor/+/status/temperature:0" ],
+      "handler": "SVEJ",
+      "id": "SVEJ4",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+          "application": "Shellies Sensor Temperature",
+          "deviceSelector": "T:2",
+          "valueSelector": "J:$.tC",
+          "unitSelector": "C:°C"
+        }
+      }
+    },
+    {
+      "topics": [ "shellies/sensor/+/status/humidity:0" ],
+      "handler": "SVEJ",
+      "id": "SVEJ5",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+          "application": "Shellies Sensor Humidity",
+          "deviceSelector": "T:2",
+          "valueSelector": "J:$.rh",
+          "unitSelector": "C:%"
+        }
+      }
+    },
+    {
+      "topics": [ "shellies/sensor/+/status/devicepower:0" ],
+      "handler": "SVEJ",
+      "id": "SVEJ6",
+      "config": {
+        "databaseConnStr": "",
+        "attributes": {
+          "application": "Shellies Sensor Power",
+          "deviceSelector": "T:2",
+          "valueSelector": "J:$.battery.percent",
+          "unitSelector": "C:%"
+        }
+      }
+    }
+  ],
+  "archiver": {
+    "dir": "/archive"
+  }
+}

deployment/secrets.asc

@@ -0,0 +1,8 @@
+-----BEGIN PGP MESSAGE-----
+
+jA0ECQMIYUoTHR96Qfb90psBoxuk38UXPXTWPCmdW690bi2+w34S4NLHZvHfe3Ra
+nck319+PXvr0agfHGZ733hhTQv4sa8I2o6ICrgFqtKGfHmgnqL5kYNP9+NuV/IsF
+x3dxwjEejsZ5GYn/zk+CQceItQ8nyyJc2ms1KwTu2r4hMzuHmnVtvKxNCzPrw2N5
+SJIRhh41eequFkzELQqqXXu10raBFsttOemVhA==
+=TySu
+-----END PGP MESSAGE-----

deployment/secrets.enc

@@ -1,38 +0,0 @@
-U2FsdGVkX1+v6L4gc+CbYCZyo/UVN7QfmEntIBpk+GAHGf3d7m/4hfcYd39Eh2td
-lXSmNdt1cdFw/UfZ1x1OlGm/fqLh/j/rWPgEc6BwEcDFDEXpTucTjUHNDonYNH8j
-eDWeAGokfguqgQG16CBLHdeyocP0kTPJSrIKQgG1Mzzck/kfB1Z6Ggv4z5KEx2dy
-2rrnm+BeFT1yITwoxa3iJeudcSQznNIqQa+Mx4fUsPV+yorahp4gs0PVVj9POnAT
-yRhpQgkaq5oZNVcYrWS5+6mmhbzL5jIAa4wfzVep/69RcfBkV5Oj5JJGaQzH0T74
-wg8dWz/scdi2kkCn0KroJPrsG/lAsFYhbX4kUJQeRUX1pWr/iwD0i8LRx+f2C82Y
-HgpsnG6c5nPRy68TltgRgCRAIJj87rR/fATVowcpChfe9sXCwfLEZ5Q2hDK8eAPW
-VS87axMkProyHJZe1GK0v9CAVWpXlxv6eAr8u2SftGA87Xu3ebQ4SjReXIcAb7M6
-08UnxW4YcfH+usgU2GUuNlzRctAq334AfBWYQO51l/ELJAzaDi6Ht4Czr6R7Bsfh
-M3ZcjcgqY7j7ywDFmKq/a8Q0Dsjm2sezNtrrRWusomgSKFEf8WncOdkcWOAiza4T
-+Qubfr1SuZuWFF+migGtYM3X8YS+VpmMRIpJ1otibMELgjvldWGqHIK1uIThLq7F
-MvQ0Nog6UNg79/8vrUoEUPPB5fQsXcNC5zcpVMrpJcGogBHhsXk1EPFcB75sx/65
-bl2BZlCBacH9MNIBPh17dMC46EV1FNaLiO1N3/qJkxrkiG5wBDjDlnyMn/mYc/o1
-olNuIO0nnn2x8ZU02lRo8RqcqOywseZeBhAzOj+899n5Qa/0YQAnb0Y9WAxqLft/
-0C45HcK5Kgd3C6wqvVUqcQ/UMxQzv0y1cM8gbfpGjUvJ6gUj7vkW08D55A6gV8Lf
-SrneWAP/1B1mmV16vHaXwoYpTpQwM7i7fHWBOpH7nq6E+0P3LHyon43dYo4P6KM7
-He3R6phTFp36WI4ZCUQafTDZS196Ol2ZyEAonVwSOIEIyptXeoAmleolXC/eL84Z
-bEbhld8g+ulrVSrBXFpCY3jBsqPVBYEpZaGYgevsrHPSbwWa/qQkTKnOO4+oz6Pe
-9iJ1yJbSWfg6Gkr6iqE41Dp4VGXtwTDHHb9YMd56iWHAkxZLFIWdYUr8XfQS6j70
-j5kV3jV/w5EHGYruBdtxAWc7YKq3pfqvh9R7dD/8JOFZhA140+zmOCWG4qdDhv+5
-F9vlawudssa9ZHGi1jBFPCNW13LBhUdyCY3apKF4HHeeuA465uzxIqwtkJSigdun
-vC9ooYZrJjYOnJSTJnKH0WSD0pPC6CIkge+Fxuksq6cst5Zcysw1xz5zs7UNeAP+
-kLs1+8Kn2d1hJuzSWdWlj7xGratLEdA6pqcfBKvMYtY0kpPPDrxm+F1FZ7LyV+dc
-G1vfI6aS2azrFrBNXSeOArJ/erGHIGhWxFY0c3bcGOjXwsLWRjQ03Kdj9ffj6UFL
-4JJaI0I01RilAo+woaZhNmOHl1VxSsU1lDGF7IvW3t0qKLaSg/Rv3pQqdKyjq8I5
-IxPlUEMdo1EDZZx4qLmYBM1tWhgMbn4nx6P2BS7obnPdaf3B0RPxI68Z49RYZKvR
-/wTyr7oWCCRQDwCuVH8t/jUrSWspzEK7ApXHdh7T9JlNurFW7oxc8ylooQrAn3Gn
-mru7X3cUeVtiosAklZ7w+JNxm44IRmDKNVDeAaat+q35EA8MRFGiuXEOeNw54tWH
-zNkUyUJ79Ie7BkGrZFUFqkvfY3Q/xLaBGYDQe65S8/rerybL0YI7RmMiz4x7yq8L
-GoIDwPsn0z/AFefoGTi0tAXZeC+EA62okK1kKR9qrh9gmD59uiMbFX1BHe3rWhgP
-cCPScYeameXV3K6wwQpX8JTdptqMAH5cpEVoUZ/PZZpkaiCuWcMODVbqTpm4SRPt
-Q9s5+6/g0TUUqz7Fwi0dlfnMZVuK0a1Uf/SBYR7f/UYVLfF5juTZ+IRJwQWwp6QX
-CzfYms0W34/srtM72mQOpKTd0o3xuFyVbQtZPOpNghIjArQqwt34nEzXPYHqasDx
-c/yIPdW+B/YVcFPdRV16Izqmjdlupv6pPjY/T6GdHczQsH9gD28HN9+Ka2Cvficf
-evO7IXe0RuvodQ3tB4LmeWoJB10G7Sko2EEfpFTDXke9Ak/5cGrpdPMtbXCAIm1o
-B5UhrqNuUYSWdo0mGttbSjFR7pyLujsxLNnp8teBi33QOUhrSId5+mOvtFDGiZKa
-QCC+W+BIh6IFIwnxH4dDxjz3M65NXzqNV+6mXEFU77cX+oTF4BRe0R/L4nPoaBAN
-smRxtqBItpVFUdsOVb6bXg==

migration/.gitignore

@@ -1 +0,0 @@
-.venv

migration/migrate-level.py

@@ -1,38 +0,0 @@
-import psycopg2
-from loguru import logger
-
-try:
-    srcConn = psycopg2.connect(database="level_monitoring_berresheim")
-    srcConn.autocommit = False
-    destConn = psycopg2.connect(database="udi-berresheim")
-    destConn.autocommit = False
-
-    with srcConn.cursor() as srcCur, destConn.cursor() as destCur:
-        srcCur.execute("select time, application_name, raw_level, level, status, battery from measurement_t")
-        for srcObj in srcCur:
-            timestamp = srcObj[0]
-            deviceName = srcObj[1]
-            rawLevel = srcObj[2]
-            level = srcObj[3]
-            status = srcObj[4]
-            battery = srcObj[5]
-
-            logger.info(f"{timestamp=}, {deviceName=}, {rawLevel=}, {level=}, {status=}, {battery=}")
-
-            destTime = timestamp
-            destApplication = "de-hottis-level-monitoring"
-            destDevice = "eui-a84041a2c18341d6"
-            destAttributes = '{"ApplicationId":"de-hottis-level-monitoring", "DeviceType":"dragino-ldds75", "Status":"' + status + '","Hint": "Migrated"}'
-            destValues = '{"Battery":{"unit":"V","label":"Battery","value":' + str(battery) + ',"variable":"Voltage"}, "Distance":{"unit":"mm","label":"Distance","variable":"Level","value":' + str(rawLevel) + '}, "CorrectedDistance":{"unit":"mm", "label":"CorrectedDistance", "variable":"Level","value":' + str(level) + '}}'
-            logger.info(f"{destTime=}, {destApplication=}, {destDevice=}, {destAttributes=}, {destValues=}")
-
-            destCur.execute("insert into measurements (time, application, device, attributes, values) values(%s, %s, %s, %s, %s)",
-                            (destTime, destApplication, destDevice, destAttributes, destValues))
-            destConn.commit()
-finally:
-    if srcConn:
-        srcConn.close()
-    if destConn:
-        destConn.close()
-
-

migration/migrate-pv.py

@@ -1,79 +0,0 @@
-import psycopg2
-from loguru import logger
-import os
-
-srcPgHost = os.environ["SRC_PGHOST"]
-srcPgUser = os.environ["SRC_PGUSER"]
-srcPgPassword = os.environ["SRC_PGPASSWORD"]
-srcPgDatabase = os.environ["SRC_PGDATABASE"]
-destPgHost = os.environ["DEST_PGHOST"]
-destPgUser = os.environ["DEST_PGUSER"]
-destPgPassword = os.environ["DEST_PGPASSWORD"]
-destPgDatabase = os.environ["DEST_PGDATABASE"]
-
-try:
-    srcConn = psycopg2.connect(
-                host=srcPgHost,
-                dbname=srcPgDatabase,
-                user=srcPgUser,
-                password=srcPgPassword,
-                sslmode='require'
-            )
-    srcConn.autocommit = False
-
-    destConn = psycopg2.connect(
-                host=destPgHost,
-                dbname=destPgDatabase,
-                user=destPgUser,
-                password=destPgPassword,
-                sslmode='require'
-            )
-    destConn.autocommit = False
-
-    with srcConn.cursor() as srcCur, destConn.cursor() as destCur:
-        srcCur.execute("select time, deviceid, status, state, importenergyactive, importenergyreactive, exportenergyactive, exportenergyreactive, powerapparent, poweractive, powerreactive, powerdemandpositive, powerdemandreverse, factor, angle, voltage, current, powerdemand from pv_power_measurement_t order by time")
-        for srcObj in srcCur:
-            timestamp = srcObj[0]
-            deviceName = srcObj[1]
-            status = srcObj[2]
-            state = srcObj[3]
-            importenergyactive = srcObj[4]
-            importenergyreactive = srcObj[5]
-            exportenergyactive = srcObj[6]
-            exportenergyreactive = srcObj[7]
-            powerapparent = srcObj[8]
-            poweractive = srcObj[9]
-            powerreactive = srcObj[10]
-            powerdemandpositive = srcObj[11]
-            powerdemandreverse = srcObj[12]
-            factor = srcObj[13]
-            angle = srcObj[14]
-            voltage = srcObj[15]
-            current = srcObj[16]
-            powerdemand = srcObj[17]
-
-
-            logger.info(f"{timestamp=}, {deviceName=}")
-
-            destTime = timestamp
-            destApplication = "PV"
-            destDevice = "Powermeter"
-            destAttributes = f"{{\"ApplicationId\":\"PV\", \"Status\":\"{status}\",\"Hint\": \"Migrated\"}}"
-            destValues = f"{{\"Cnt\": {{\"unit\": \"\", \"label\": \"\", \"value\": \"-1\", \"variable\": \"Cnt\"}}, \"Angle\": {{\"unit\": \"degree\", \"label\": \"\", \"value\": \"{angle}\", \"variable\": \"Angle\"}}, \"State\": {{\"unit\": \"\", \"label\": \"\", \"value\": \"{state}\", \"variable\": \"State\"}}, \"Factor\": {{\"unit\": \"\", \"label\": \"\", \"value\": \"{factor}\", \"variable\": \"Factor\"}}, \"Current\": {{\"unit\": \"A\", \"label\": \"\", \"value\": \"{current}\", \"variable\": \"Current\"}}, \"Voltage\": {{\"unit\": \"V\", \"label\": \"\", \"value\": \"{voltage}\", \"variable\": \"Voltage\"}}, \"PowerActive\": {{\"unit\": \"W\", \"label\": \"\", \"value\": \"{poweractive}\", \"variable\": \"PowerActive\"}}, \"PowerApparent\": {{\"unit\": \"VA\", \"label\": \"\", \"value\": \"{powerapparent}\", \"variable\": \"PowerApparent\"}}, \"PowerReactive\": {{\"unit\": \"VA\", \"label\": \"\", \"value\": \"{powerreactive}\", \"variable\": \"PowerReactive\"}}, \"ExportEnergyActive\": {{\"unit\": \"Wh\", \"label\": \"\", \"value\": \"{exportenergyactive}\", \"variable\": \"ExportEnergyActive\"}}, \"ImportEnergyActive\": {{\"unit\": \"Wh\", \"label\": \"\", \"value\": \"{importenergyactive}\", \"variable\": \"ImportEnergyActive\"}}, \"PowerDemandReverse\": {{\"unit\": \"W\", \"label\": \"\", \"value\": \"{powerdemandreverse}\", \"variable\": \"PowerDemandReverse\"}}, \"PowerDemandPositive\": {{\"unit\": \"W\", \"label\": \"\", \"value\": \"{powerdemandpositive}\", \"variable\": \"PowerDemandPositive\"}}, \"ExportEnergyReactive\": {{\"unit\": \"VAh\", \"label\": \"\", \"value\": \"{exportenergyreactive}\", \"variable\": \"ExportEnergyReactive\"}}, \"ImportEnergyReactive\": {{\"unit\": \"VAh\", \"label\": \"\", \"value\": \"{importenergyreactive}\", \"variable\": \"ImportEnergyReactive\"}}}}"
-            logger.info(f"{destTime=}, {destApplication=}, {destDevice=}, {destAttributes=}, {destValues=}")
-
-
-            try:
-                destCur.execute("insert into measurements (time, application, device, attributes, values) values(%s, %s, %s, %s, %s)",
-                                (destTime, destApplication, destDevice, destAttributes, destValues))
-                destConn.commit()
-            except Exception as e:
-                destConn.rollback()
-                logger.error(f"Error {e} when inserted time {destTime}")
-finally:
-    if srcConn:
-        srcConn.close()
-    if destConn:
-        destConn.close()
-
-

migration/migrate-temperature.py

@@ -1,78 +0,0 @@
-import psycopg2
-from loguru import logger
-import os
-
-srcPgHost = os.environ["SRC_PGHOST"]
-srcPgUser = os.environ["SRC_PGUSER"]
-srcPgPassword = os.environ["SRC_PGPASSWORD"]
-srcPgDatabase = os.environ["SRC_PGDATABASE"]
-destPgHost = os.environ["DEST_PGHOST"]
-destPgUser = os.environ["DEST_PGUSER"]
-destPgPassword = os.environ["DEST_PGPASSWORD"]
-destPgDatabase = os.environ["DEST_PGDATABASE"]
-
-try:
-    srcConn = psycopg2.connect(
-                host=srcPgHost,
-                dbname=srcPgDatabase,
-                user=srcPgUser,
-                password=srcPgPassword,
-                sslmode='require'
-            )
-    srcConn.autocommit = False
-
-    destConn = psycopg2.connect(
-                host=destPgHost,
-                dbname=destPgDatabase,
-                user=destPgUser,
-                password=destPgPassword,
-                sslmode='require'
-            )
-    destConn.autocommit = False
-
-    with srcConn.cursor() as srcCur, destConn.cursor() as destCur:
-        srcCur.execute("select time, location, status, temperature, category from room_climate_measurement_t where category = 'heating' and time > '2023-12-19 05:20:00' order by time")
-        for srcObj in srcCur:
-            timestamp = srcObj[0]
-            location = srcObj[1]
-            status = srcObj[2]
-            temperature = srcObj[3]
-            category = srcObj[4]
-
-            logger.info(f"{timestamp=}, {location=}, {status=}, {temperature=}, {category=}")
-
-            destTime = timestamp
-
-            match category:
-                case 'heating':
-                    destApplication = 'Temperature Heating'
-                case 'Outdoor':
-                    destApplication = 'Temperature Wago'
-                case 'Device':
-                    destApplication = 'Temperature Wago'
-                case 'Indoor':
-                    destApplication = 'Temperature Multisensor' if location != 'Anna-Koeln-2' else 'Temperature Shelly Plus HT'
-                case 'Special':
-                    destApplication = 'Temperature Multisensor'
-
-            destDevice = location
-            destAttributes = '{"ApplicationId":"temperature-imported", "Status":"' + status + '","Location":"' + location + '","Category":"' + category + '","Hint": "Migrated"}'
-            destValues = '{"Value": {"unit": "°C", "label": "", "value": "' + str(temperature) + '", "variable": ""}}'
-
-            logger.info(f"{destTime=}, {destApplication=}, {destDevice=}, {destAttributes=}, {destValues=}")
-
-            try:
-                destCur.execute("insert into measurements (time, application, device, attributes, values) values(%s, %s, %s, %s, %s)",
-                                (destTime, destApplication, destDevice, destAttributes, destValues))
-                destConn.commit()
-            except Exception as e:
-                destConn.rollback()
-                logger.error(f"Error {e} when inserted time {destTime}")
-
-finally:
-    if srcConn:
-        srcConn.close()
-
-    if destConn:
-        destConn.close()
-

migration/requirements.txt

@@ -1,2 +0,0 @@
-loguru==0.7.2
-psycopg2==2.9.9

queries/hottis.sql

@@ -118,3 +118,65 @@ create or replace view router_v as
          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';
+
+
+--  Status            string  `unit:""   json:"status"`
+--  Timestamp         string  `unit:""   json:"timestamp"`
+--  VoltageL1         float32 `unit:"V"  json:"voltageL1"`
+--  VoltageL2         float32 `unit:"V"  json:"voltageL2"`
+--  VoltageL3         float32 `unit:"V"  json:"voltageL3"`
+--  CurrentL1         float32 `unit:"A"  json:"currentL1"`
+--  CurrentL2         float32 `unit:"A"  json:"currentL2"`
+--  CurrentL3         float32 `unit:"A"  json:"currentL3"`
+--  PowerL1           float32 `unit:"W"  json:"powerL1"`
+--  PowerL2           float32 `unit:"W"  json:"powerL2"`
+--  PowerL3           float32 `unit:"W"  json:"powerL3"`
+--  TotalImportEnergy float32 `unit:"Wh" json:"totalImportEnergy"`
+--  TotalExportEnergy float32 `unit:"Wh" json:"totalExportEnergy"`
+--  Cnt               int     `unit:""   json:"cnt"`
+
+
+create or replace view car_values_v as
+  select time, 
+         cast(values->'VoltageL1'->>'value' as float) as voltage_l1,
+         cast(values->'VoltageL2'->>'value' as float) as voltage_l2,
+         cast(values->'VoltageL3'->>'value' as float) as voltage_l3,
+         cast(values->'CurrentL1'->>'value' as float) as current_l1,
+         cast(values->'CurrentL2'->>'value' as float) as current_l2,
+         cast(values->'CurrentL3'->>'value' as float) as current_l3,
+         cast(values->'PowerL1'->>'value' as float) as power_l1,
+         cast(values->'PowerL2'->>'value' as float) as power_l2,
+         cast(values->'PowerL3'->>'value' as float) as power_l3,
+         cast(values->'TotalImportEnergy'->>'value' as float) as total_import_energy,
+         cast(values->'TotalExportEnergy'->>'value' as float) as total_export_energy,
+         values->'Status'->>'value' as status,
+         device
+    from measurements
+    where application = 'Car';

queries/saerbeck.sql

@@ -41,3 +41,4 @@ create or replace view cubecell_threeway_battery_v as
     from measurements
     where application = 'de-hottis-saerbeck-monitoring' and
     device = 'eui-70b3d57ed0068fa4';
+

src/udi/config-test-2.json

@@ -1,18 +1,27 @@
 {
   "mqtt": {
-    "broker": "mqtt://emqx01-anonymous-cluster-internal.broker.svc.cluster.local:1883",
+    "broker": "mqtt://172.23.1.102:1883",
     "tlsEnable": "false"
   },
   "topicMappings": [
     {
       "topics": [ "snmp" ],
-      "handler": "SNMP",
+      "handler": "PREP",
       "id": "SNMP",
       "config": {
         "attributes": {
         }
       }
     },
+    {
+      "topics": [ "tsm" ],
+      "handler": "PREP",
+      "id": "TSM",
+      "config": {
+        "attributes": {
+        }
+      }
+    },
     {
       "topics": [ "dt1/ai/periodic/1" ],
       "handler": "DT1T",
@@ -54,9 +63,9 @@
       }
     },
     {
-      "topics": [ "locative/event/#" ],
-      "handler": "Locative",
-      "id": "Locative",
+      "topics": [ "IoT/Car/Values" ],
+      "handler": "Car",
+      "id": "Car",
       "config": {
         "databaseConnStr": "",
         "attributes": {
@@ -91,34 +100,6 @@
         }
       }
     },
-    {
-      "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": [ "zigbee2mqtt/+" ],
       "handler": "Z2M",
@@ -159,6 +140,6 @@
     }
   ],
   "archiver": {
-    "dir": "/archive"
+    "dir": "./tmp/udi"
   }
 }

src/udi/config-test.json

@@ -5,23 +5,19 @@
   },
   "topicMappings": [
     {
-      "topics": [ "NR/Multisensor/+/Temperatur" ],
-      "handler": "SVEJ",
-      "id": "SVEJ0",
+      "topics": [ "IoT/PV/Values" ],
+      "handler": "PV",
+      "id": "PV",
       "config": {
         "databaseConnStr": "",
         "attributes": {
-          "application": "Temperature Multisensor",
-          "deviceSelector": "T:2",
-          "valueSelector": "J:$.CurrentTemperature",
-          "unitSelector": "C:°C"
         }
       }
     },
     {
-      "topics": [ "zigbee2mqtt/+" ],
-      "handler": "Z2M",
-      "id": "Z2M",
+      "topics": [ "IoT/Car/Values" ],
+      "handler": "Car",
+      "id": "Car",
       "config": {
         "databaseConnStr": "",
         "attributes": {

src/udi/database/abstract_database.go

@@ -1,46 +1,38 @@
 package database
 
 import "time"
-import "gorm.io/gorm"
-
 
 type VariableType struct {
-  Label string `json:"label"`
-  Variable string `json:"variable"`
-  Unit string `json:"unit"`
-  Value interface{} `json:"value,omitempty"`
+	Label    string      `json:"label"`
+	Variable string      `json:"variable"`
+	Unit     string      `json:"unit"`
+	Value    interface{} `json:"value,omitempty"`
+	Status   string      `json:"status,omitempty"`
 }
 
 type Measurement struct {
-  Time time.Time `gorm:"not null;primary_key"`
-  Application string `gorm:"not null"`
-  Device string
-  Attributes map[string]interface{} `gorm:"serializer:json;type:jsonb"`
-  Values map[string]VariableType `gorm:"serializer:json;type:jsonb"`
+	Time        time.Time
+	Application string
+	Device      string
+	Attributes  map[string]interface{}
+	Values      map[string]VariableType
+}
+
+// Simplified structures for backward compatibility
+type DeviceType struct {
+	Label           string
+	ModelIdentifier string
+	Attributes      map[string]interface{}
 }
 
 type Application struct {
-  gorm.Model
-  Label string `gorm:"not null"`
-  Attributes map[string]interface{} `gorm:"serializer:json;type:jsonb"`
-}
-
-
-type DeviceType struct {
-  gorm.Model
-  Label string `gorm:"not null"`
-  ModelIdentifier string
-  Attributes map[string]interface{} `gorm:"serializer:json;type:jsonb"`
+	Label      string
+	Attributes map[string]interface{}
 }
 
 type Device struct {
-  gorm.Model
-  Label string `gorm:"not null;uniqueIndex:idx_label_application_id"`
-  ApplicationID int `gorm:"not null;uniqueIndex:idx_label_application_id"`
-  Application Application
-  DeviceTypeID int `gorm:"not null"`
-  DeviceType DeviceType
-  Attributes map[string]interface{} `gorm:"serializer:json;type:jsonb"`
+	Label       string
+	Application Application
+	DeviceType  DeviceType
+	Attributes  map[string]interface{}
 }
-
-

src/udi/database/database.go

@@ -1,96 +1,155 @@
 package database
 
-
 import (
-  "log"
-  //"time"
-  "fmt"
-  "udi/counter"
-  "gorm.io/driver/postgres"
-  "gorm.io/gorm"
+	"fmt"
+	"log"
+	"os"
+	"udi/counter"
+
+	influxdb "github.com/influxdata/influxdb1-client/v2"
 )
 
 type DatabaseHandle struct {
-  initialized bool
-  dbh *gorm.DB 
+	initialized bool
+	client      influxdb.Client
+	database    string
 }
 
 func NewDatabaseHandle() *DatabaseHandle {
-  var db DatabaseHandle
-  // inject the whole database configuration via the well-known PG* env variables
-  conn, err := gorm.Open(postgres.Open(""))
-  if err != nil {
-    log.Printf("Unable to open database connection: %s", err)
-    db.initialized = false
-  } else {
-    db.dbh = conn
-    db.initialized = true
-    //log.Println("Database connection opened")
-  }
-  return &db
+	var db DatabaseHandle
+
+	// Read configuration from environment variables
+	influxURL := os.Getenv("INFLUXDB_URL")
+	if influxURL == "" {
+		influxURL = "http://localhost:8086"
+	}
+
+	influxDB := os.Getenv("INFLUXDB_DATABASE")
+	if influxDB == "" {
+		influxDB = "udi"
+	}
+
+	username := os.Getenv("INFLUXDB_USER")
+	password := os.Getenv("INFLUXDB_PASSWORD")
+
+	// Create InfluxDB client
+	client, err := influxdb.NewHTTPClient(influxdb.HTTPConfig{
+		Addr:     influxURL,
+		Username: username,
+		Password: password,
+	})
+
+	if err != nil {
+		log.Printf("Unable to create InfluxDB client (config: URL: %s, Username: %s, Password: %s): %s", influxDB, username, password, err)
+		db.initialized = false
+		return &db
+	}
+
+	// Test connection
+	_, _, err = client.Ping(0)
+	if err != nil {
+		log.Printf("Unable to ping InfluxDB: %s", err)
+		db.initialized = false
+		client.Close()
+		return &db
+	}
+
+	db.client = client
+	db.database = influxDB
+	db.initialized = true
+	log.Printf("InfluxDB connection opened (URL: %s, Database: %s)", influxURL, influxDB)
+
+	return &db
 }
 
 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
-  }
+	if !self.initialized {
+		log.Printf("Database connection not initialized, can not store, measurement %v 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
-  }
+	// Create batch points
+	bp, err := influxdb.NewBatchPoints(influxdb.BatchPointsConfig{
+		Database:  self.database,
+		Precision: "s",
+	})
+	if err != nil {
+		log.Printf("Unable to create batch points: %s", err)
+		counter.F("Stored")
+		return
+	}
 
-  //log.Println("Successfully stored measurement")
-  counter.S("Stored")
+	// Build tags
+	tags := make(map[string]string)
+	if measurement.Device != "" {
+		tags["device"] = measurement.Device
+	}
+
+	// Build fields from Values
+	fields := make(map[string]interface{})
+	for key, varType := range measurement.Values {
+		// Store the value with the variable name as field key
+		fields[key] = varType.Value
+
+		// Optionally store metadata as separate fields
+		if varType.Unit != "" {
+			fields[key+"_unit"] = varType.Unit
+		}
+		// This is already the column name, so we can skip it
+		//if varType.Variable != "" {
+		//	fields[key+"_variable"] = varType.Variable
+		//}
+		if varType.Status != "" {
+			fields[key+"_status"] = varType.Status
+		}
+	}
+	// Add attributes as fields
+	for key, value := range measurement.Attributes {
+		if strValue, ok := value.(string); ok {
+			fields[key] = strValue
+		} else {
+			fields[key] = fmt.Sprintf("%v", value)
+		}
+	}
+
+	// Ensure we have at least one field
+	if len(fields) == 0 {
+		log.Printf("No fields to store in measurement, skipping")
+		counter.F("Stored")
+		return
+	}
+
+	// Create point
+	pt, err := influxdb.NewPoint(
+		measurement.Application,
+		tags,
+		fields,
+		measurement.Time,
+	)
+	if err != nil {
+		log.Printf("Unable to create point: %s", err)
+		counter.F("Stored")
+		return
+	}
+
+	bp.AddPoint(pt)
+
+	// Write batch
+	err = self.client.Write(bp)
+	if err != nil {
+		log.Printf("Unable to write to InfluxDB, measurement lost, error: %s", err)
+		counter.F("Stored")
+		return
+	}
+
+	log.Println("Successfully stored measurement")
+	counter.S("Stored")
 }
 
-func (self *DatabaseHandle) GetDeviceByLabelAndApplication(applicationLabel string, 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").
-    Joins("JOIN applications ON devices.application_id = applications.id").
-    Where("devices.label = ? AND applications.label = ?", deviceLabel, applicationLabel).
-    First(&device)
-
-  if result.Error != nil {
-    err := fmt.Errorf("Query failed: %s", result.Error)
-    return nil, err
-  }
-
-  return &device, nil
+func (self *DatabaseHandle) Close() {
+	if self.initialized && self.client != nil {
+		self.client.Close()
+		log.Println("InfluxDB connection closed")
+	}
 }
-
-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/database/migrate_database.go

@@ -1,55 +0,0 @@
-package database
-
-import (
-  "log"
-  //"time"
-  "gorm.io/driver/postgres"
-  "gorm.io/gorm"
-)
-
-func Migrate() {
-  dsn := ""
-  db, err := gorm.Open(postgres.Open(dsn))
-  if err != nil {
-    log.Fatalf("Unable to open database connection: %s", err)
-  }
-
-  db.AutoMigrate(&Application{})
-  log.Println("Application created")
-
-  db.AutoMigrate(&DeviceType{})
-  log.Println("DeviceType created")
-
-  db.AutoMigrate(&Device{})
-  log.Println("Device created")
-
-  db.AutoMigrate(&Measurement{})
-  log.Println("Measurement created")
-
-  log.Println("Remember to call create_hypertable on measurements, sowhat I can't do that for you.")
-
-  /*
-  m := Measurement { 
-    Time: time.Now(), 
-    Application: "app", 
-    Attributes: nil,
-    Values: []SensorType {
-      { Variable: "Temperature", Unit: "Degree Celsius", Value: 1.0 },
-      { Variable: "Temperature", Unit: "Degree Celsius", Value: 3.0 },
-    },
-  }
-  db.Create(&m)
-
-  m = Measurement { 
-    Time: time.Now(), 
-    Application: "app", 
-    Attributes: nil,
-    Values: []SensorType {
-      { Variable: "Temperature", Unit: "Degree Celsius", Value: 10.0 },
-      { Variable: "Temperature", Unit: "Degree Celsius", Value: 30.0 },
-    },
-  }
-  db.Create(&m)
-  */
-}
-

src/udi/database/schema.sql

@@ -1,41 +0,0 @@
-create extension if not exists timescaledb;
-
-create table application_t (
-  id serial not null primary key,
-  label text not null unique,
-  attributes jsonb
-);
-
-create table sensor_type_t (
-  id serial not null primary key,
-  label text not null unique,
-  variable text not null,
-  unit text not null,
-  converter text not null,
-  attributes jsonb
-);
-
-create table sensor_t (
-  id serial not null primary key,
-  label text not null,
-  application int references application_t(id),
-  sensor_type int references sensor_type_t(id),
-  attributes jsonb,
-  unique (label, application)
-);
-
-create table measurement_t (
-  time timestamp without time zone not null,
-  application text not null,
-  sensor_type text not null,
-  sensor text not null,
-  variable text not null,
-  unit text not null,
-  value double precision not null,
-  attributes jsonb
-);
-
-select create_hypertable('measurement_t', 'time');
-
-
-

src/udi/dispatcher/dispatcher.go

@@ -1,149 +1,154 @@
 package dispatcher
 
-import "log"
-import "time"
-import "os"
-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"
-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/snmp"
-import "udi/handlers/z2m"
+import (
+	"fmt"
+	"log"
+	"net/url"
+	"os"
+	"time"
+	"udi/config"
+	"udi/counter"
+	"udi/handlers/car"
+	"udi/handlers/dt1t"
+	"udi/handlers/handler"
+	"udi/handlers/iot"
+	"udi/handlers/locative"
+	"udi/handlers/mbgw3"
+	"udi/handlers/prepared"
+	"udi/handlers/pv"
+	"udi/handlers/svej"
+	"udi/handlers/sver"
 
+	// "udi/handlers/ttn"
+	"udi/handlers/z2m"
+	"udi/mqtt"
+)
 
 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")
-  go archiver()
+	log.Printf("Dispatcher initializing")
+	go archiver()
 
-  for _, mapping := range config.Config.TopicMappings {
-    // log.Printf("Trying to initialize %s", mapping)
+	for _, mapping := range config.Config.TopicMappings {
+		// log.Printf("Trying to initialize %s", mapping)
 
-    var factory interface{}
-    switch mapping.Handler {
-    case "TTN":
-      factory = ttn.New
-    case "IoT":
-      factory = iot.New
-    case "PV":
-      factory = pv.New
-    case "MBGW3":
-      factory = mbgw3.New
-    case "SVER":
-      factory = sver.New
-    case "SVEJ":
-      factory = svej.New
-    case "DT1T":
-      factory = dt1t.New
-    case "Locative":
-      factory = locative.New
-    case "SNMP":
-      factory = snmp.New
-    case "Z2M":
-      factory = z2m.New
-    default:
-      factory = nil
-      log.Printf("No handler %s found, ignore mapping", mapping.Handler)
-    }
+		var factory interface{}
+		switch mapping.Handler {
+		// case "TTN":
+		// 	factory = ttn.New
+		case "IoT":
+			factory = iot.New
+		case "PV":
+			factory = pv.New
+		case "MBGW3":
+			factory = mbgw3.New
+		case "SVER":
+			factory = sver.New
+		case "SVEJ":
+			factory = svej.New
+		case "DT1T":
+			factory = dt1t.New
+		case "Locative":
+			factory = locative.New
+		case "PREP":
+			factory = prepared.New
+		case "Z2M":
+			factory = z2m.New
+		case "Car":
+			factory = car.New
+		default:
+			factory = nil
+			log.Printf("No handler %s found, ignore mapping", mapping.Handler)
+		}
 
-    fn, ok := factory.(func(string, config.HandlerConfigT) handler.Handler)
-    if ! ok {
-      log.Println("Typ Assertion failed")
-      break
-    }
-    handler := fn(mapping.Id, mapping.Config)
-    handlerMap[mapping.Id] = handler
-  }
+		fn, ok := factory.(func(string, config.HandlerConfigT) handler.Handler)
+		if !ok {
+			log.Println("Typ Assertion failed")
+			break
+		}
+		handler := fn(mapping.Id, 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()
-  archivingString := fmt.Sprintf("%s - %s - %s\n", item.Timestamp.Format("2006-01-02 15:04:05"), item.Topic, item.Payload)
-  _, 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")
-  counter.S("Archived")
+	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()
+	archivingString := fmt.Sprintf("%s - %s - %s\n", item.Timestamp.Format("2006-01-02 15:04:05"), item.Topic, item.Payload)
+	_, 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")
+	counter.S("Archived")
 }
 
 func archiver() {
-  archivingRootDir := config.Config.Archiver.Dir
-  var lastArchivingDir string
+	archivingRootDir := config.Config.Archiver.Dir
+	var lastArchivingDir string
 
-  for {
-    select {
-    case message := <- archiverChannel:
-      currentDateStr := message.Timestamp.Format("2006/01/02/15")
-      currentArchivingDir := archivingRootDir + "/" + currentDateStr
-      if currentArchivingDir != lastArchivingDir {
-        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)
-      }
-      archivingFilename := fmt.Sprintf("%s/%s", currentArchivingDir, url.PathEscape(message.Topic))
-      storeMessage(archivingFilename, message)
-    }
-  }
+	for {
+		select {
+		case message := <-archiverChannel:
+			currentDateStr := message.Timestamp.Format("2006/01/02/15")
+			currentArchivingDir := archivingRootDir + "/" + currentDateStr
+			if currentArchivingDir != lastArchivingDir {
+				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)
+			}
+			archivingFilename := fmt.Sprintf("%s/%s", currentArchivingDir, url.PathEscape(message.Topic))
+			storeMessage(archivingFilename, message)
+		}
+	}
 }
 
 func InputDispatcher() {
-  for {
-    select {
-    case mqttMessage := <- mqtt.InputChannel:
-      //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)
-    }
-  }
+	for {
+		select {
+		case mqttMessage := <-mqtt.InputChannel:
+			//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)
+		}
+	}
 }
 
 func handleMessage(message handler.MessageT) {
-  for _, mapping := range config.Config.TopicMappings {
-    // log.Printf("Testing %s -> %s", mapping.Topics, mapping.Handler)
-    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)
-        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")
+	for _, mapping := range config.Config.TopicMappings {
+		// log.Printf("Testing %s -> %s", mapping.Topics, mapping.Handler)
+		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)
+				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

@@ -3,23 +3,14 @@ module udi
 go 1.22.3
 
 require (
-	github.com/eclipse/paho.mqtt.golang v1.4.3
-	github.com/google/uuid v1.4.0
+	github.com/eclipse/paho.mqtt.golang v1.5.0
+	github.com/google/uuid v1.6.0
+	github.com/influxdata/influxdb1-client v0.0.0-20220302092344-a9ab5670611c
 	github.com/oliveagle/jsonpath v0.0.0-20180606110733-2e52cf6e6852
-	gorm.io/driver/postgres v1.5.9
-	gorm.io/gorm v1.25.11
 )
 
 require (
-	github.com/gorilla/websocket v1.5.0 // indirect
-	github.com/jackc/pgpassfile v1.0.0 // indirect
-	github.com/jackc/pgservicefile v0.0.0-20221227161230-091c0ba34f0a // indirect
-	github.com/jackc/pgx/v5 v5.5.5 // 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 v0.25.0 // indirect
-	golang.org/x/net v0.27.0 // indirect
-	golang.org/x/sync v0.7.0 // indirect
-	golang.org/x/text v0.16.0 // indirect
+	github.com/gorilla/websocket v1.5.3 // indirect
+	golang.org/x/net v0.34.0 // indirect
+	golang.org/x/sync v0.10.0 // indirect
 )

src/udi/go.sum

@@ -1,46 +1,14 @@
-github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
-github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/eclipse/paho.mqtt.golang v1.4.3 h1:2kwcUGn8seMUfWndX0hGbvH8r7crgcJguQNCyp70xik=
-github.com/eclipse/paho.mqtt.golang v1.4.3/go.mod h1:CSYvoAlsMkhYOXh/oKyxa8EcBci6dVkLCbo5tTC1RIE=
-github.com/google/uuid v1.4.0 h1:MtMxsa51/r9yyhkyLsVeVt0B+BGQZzpQiTQ4eHZ8bc4=
-github.com/google/uuid v1.4.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/gorilla/websocket v1.5.0 h1:PPwGk2jz7EePpoHN/+ClbZu8SPxiqlu12wZP/3sWmnc=
-github.com/gorilla/websocket v1.5.0/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
-github.com/jackc/pgpassfile v1.0.0 h1:/6Hmqy13Ss2zCq62VdNG8tM1wchn8zjSGOBJ6icpsIM=
-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 v5.5.5/go.mod h1:ez9gk+OAat140fv9ErkZDYFWmXLfV+++K0uAOiwgm1A=
-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=
-github.com/jinzhu/now v1.1.5/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
+github.com/eclipse/paho.mqtt.golang v1.5.0 h1:EH+bUVJNgttidWFkLLVKaQPGmkTUfQQqjOsyvMGvD6o=
+github.com/eclipse/paho.mqtt.golang v1.5.0/go.mod h1:du/2qNQVqJf/Sqs4MEL77kR8QTqANF7XU7Fk0aOTAgk=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
+github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
+github.com/influxdata/influxdb1-client v0.0.0-20220302092344-a9ab5670611c h1:qSHzRbhzK8RdXOsAdfDgO49TtqC1oZ+acxPrkfTxcCs=
+github.com/influxdata/influxdb1-client v0.0.0-20220302092344-a9ab5670611c/go.mod h1:qj24IKcXYK6Iy9ceXlo3Tc+vtHo9lIhSX5JddghvEPo=
 github.com/oliveagle/jsonpath v0.0.0-20180606110733-2e52cf6e6852 h1:Yl0tPBa8QPjGmesFh1D0rDy+q1Twx6FyU7VWHi8wZbI=
 github.com/oliveagle/jsonpath v0.0.0-20180606110733-2e52cf6e6852/go.mod h1:eqOVx5Vwu4gd2mmMZvVZsgIqNSaW3xxRThUJ0k/TPk4=
-github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
-github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
-github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-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 v0.25.0 h1:ypSNr+bnYL2YhwoMt2zPxHFmbAN1KZs/njMG3hxUp30=
-golang.org/x/crypto v0.25.0/go.mod h1:T+wALwcMOSE0kXgUAnPAHqTLW+XHgcELELW8VaDgm/M=
-golang.org/x/net v0.27.0 h1:5K3Njcw06/l2y9vpGCSdcxWOYHOUk3dVNGDXN+FvAys=
-golang.org/x/net v0.27.0/go.mod h1:dDi0PyhWNoiUOrAS8uXv/vnScO4wnHQO4mj9fn/RytE=
-golang.org/x/sync v0.7.0 h1:YsImfSBoP9QPYL0xyKJPq0gcaJdG3rInoqxTWbfQu9M=
-golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
-golang.org/x/text v0.16.0 h1:a94ExnEXNtEwYLGJSIUxnWoxoRz/ZcCsV63ROupILh4=
-golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=
-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 v1.5.9/go.mod h1:DX3GReXH+3FPWGrrgffdvCk3DQ1dwDPdmbenSkweRGI=
-gorm.io/gorm v1.25.11 h1:/Wfyg1B/je1hnDx3sMkX+gAlxrlZpn6X0BXRlwXlvHg=
-gorm.io/gorm v1.25.11/go.mod h1:xh7N7RHfYlNc5EmcI/El95gXusucDrQnHXe0+CgWcLQ=
+golang.org/x/net v0.34.0 h1:Mb7Mrk043xzHgnRM88suvJFwzVrRfHEHJEl5/71CKw0=
+golang.org/x/net v0.34.0/go.mod h1:di0qlW3YNM5oh6GqDGQr92MyTozJPmybPK4Ev/Gm31k=
+golang.org/x/sync v0.10.0 h1:3NQrjDixjgGwUOCaF8w2+VYHv0Ve/vGYSbdkTa98gmQ=
+golang.org/x/sync v0.10.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=

src/udi/handlers/car/car.go

@@ -0,0 +1,94 @@
+package car
+
+import (
+	"encoding/json"
+	"log"
+	"reflect"
+	"time"
+	"udi/config"
+	"udi/database"
+	"udi/handlers/handler"
+)
+
+type CarHandler struct {
+	handler.CommonHandler
+	dbh *database.DatabaseHandle
+}
+
+/*
+{
+  "status": "Ok",
+  "timestamp": "2025-12-15T13:11:15.648243",
+  "voltageL1": 228.68,
+  "voltageL2": 227.69,
+  "voltageL3": 228.53,
+  "currentL1": 0.0,
+  "currentL2": 0.0,
+  "currentL3": 0.0,
+  "powerL1": 0.0,
+  "powerL2": 0.0,
+  "powerL3": 0.0,
+  "totalImportEnergy": 0.0,
+  "totalExportEnergy": 0.0,
+  "cnt": 399300}
+*/
+
+type CarValue struct {
+  Status            string  `unit:""   json:"status"`
+  Timestamp         string  `unit:""   json:"timestamp"`
+  VoltageL1         float32 `unit:"V"  json:"voltageL1"`
+  VoltageL2         float32 `unit:"V"  json:"voltageL2"`
+  VoltageL3         float32 `unit:"V"  json:"voltageL3"`
+  CurrentL1         float32 `unit:"A"  json:"currentL1"`
+  CurrentL2         float32 `unit:"A"  json:"currentL2"`
+  CurrentL3         float32 `unit:"A"  json:"currentL3"`
+  PowerL1           float32 `unit:"W"  json:"powerL1"`
+  PowerL2           float32 `unit:"W"  json:"powerL2"`
+  PowerL3           float32 `unit:"W"  json:"powerL3"`
+  TotalImportEnergy float32 `unit:"Wh" json:"totalImportEnergy"`
+  TotalExportEnergy float32 `unit:"Wh" json:"totalExportEnergy"`
+  Cnt               int     `unit:""   json:"cnt"`
+}
+
+func New(id string, config config.HandlerConfigT) handler.Handler {
+	t := &CarHandler{}
+	t.Id = id
+	t.dbh = database.NewDatabaseHandle()
+	log.Printf("Handler Car %d initialized", id)
+	return t
+}
+
+func (self *CarHandler) Handle(message handler.MessageT) {
+	//log.Printf("Handler Car %d processing %s -> %s", self.id, message.Topic, message.Payload)
+
+	var carValue CarValue
+	err := json.Unmarshal([]byte(message.Payload), &carValue)
+	if err != nil {
+		self.Lost("Unable to parse payload into carValue struct", err, message)
+		return
+	}
+
+	variables := make(map[string]database.VariableType)
+	carValueStructValue := reflect.ValueOf(carValue)
+	for i := 0; i < carValueStructValue.NumField(); i++ {
+		field := carValueStructValue.Type().Field(i)
+		fieldValue := carValueStructValue.Field(i)
+		v := database.VariableType{
+			Label:    "",
+			Variable: field.Name,
+			Unit:     field.Tag.Get("unit"),
+			Value:    fieldValue.Interface(),
+		}
+		variables[field.Name] = v
+	}
+
+	measurement := database.Measurement{
+		Time:        time.Now(),
+		Application: "Car",
+		Device:      "Powermeter",
+		Values:      variables,
+	}
+
+	self.dbh.StoreMeasurement(&measurement)
+	self.S()
+}

src/udi/handlers/dt1t/dt1t.go

@@ -1,80 +1,75 @@
 package dt1t
 
 import (
-  "log"
-  "fmt"
-  "time"
-  "strconv"
-  "udi/handlers/handler"
-  "udi/database"
-  "udi/config"
+	"log"
+	"strconv"
+	"time"
+	"udi/config"
+	"udi/database"
+	"udi/handlers/handler"
 )
 
-
 type Dt1tHandler struct {
-  handler.CommonHandler
-  ready bool
-  label string
-  dbh *database.DatabaseHandle
-  application string
-  device string
-
+	handler.CommonHandler
+	ready       bool
+	label       string
+	dbh         *database.DatabaseHandle
+	application string
+	device      string
 }
 
 func New(id string, config config.HandlerConfigT) handler.Handler {
-  t := &Dt1tHandler {
-  }
+	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()
-  t.ready = true
-  return t
+	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)
+	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
+	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
+	var measurement database.Measurement
+	measurement.Time = time.Now()
+	measurement.Application = self.application
+	measurement.Device = self.device
 
-  // log.Printf("Prepared measurement item: %s", measurement)
-  self.dbh.StoreMeasurement(&measurement)
-  self.S()
+	var variable database.VariableType
+	variable.Label = "Temperature"
+	variable.Variable = ""
+	variable.Unit = "°C"
+	variable.Value = 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/locative/locative.go

@@ -31,6 +31,7 @@ func New(id string, config config.HandlerConfigT) handler.Handler {
   }
   t.Id = id
   t.dbh = database.NewDatabaseHandle()
+  log.Printf("Handler Locative %d initialized", id)
   return t
 }
 

src/udi/handlers/mbgw3/mbgw3.go

@@ -2,6 +2,7 @@ package mbgw3
 
 import (
   "time"
+  "log"
   "strconv"
   "encoding/json"
   "udi/config"
@@ -31,6 +32,7 @@ func New(id string, config config.HandlerConfigT) handler.Handler {
   }
   t.Id = id
   t.dbh = database.NewDatabaseHandle()
+  log.Printf("Handler MBGW3 %d initialized", id)
   return t
 }
 
@@ -72,12 +74,22 @@ func (self *Mbgw3Handler) Handle(message handler.MessageT) {
 
   measurement.Values = make(map[string]database.VariableType)
   unitMap := map[string]string { "Energy": "Wh", "Power": "W", "Voltage": "V", "Current": "A", "Volume": "m3" }
+  keyCount := make(map[string]int)
+  
   for k, v := range observation.Values {
     unit, exists := unitMap[k]
     if ! exists {
       unit = "Unmapped Unit"
     }
-    measurement.Values[k] = database.VariableType {
+    
+    // Check if key already exists and create unique key if needed
+    keyCount[k]++
+    uniqueKey := k
+    if keyCount[k] > 1 {
+      uniqueKey = k + strconv.Itoa(keyCount[k])
+    }
+    
+    measurement.Values[uniqueKey] = database.VariableType {
       Label: "",
       Variable: k,
       Unit: unit,

src/udi/handlers/prepared/prepared.go

@@ -1,4 +1,4 @@
-package snmp
+package prepared
 
 import (
   "time"
@@ -10,7 +10,7 @@ import (
 )
 
 
-type SnmpHandler struct {
+type PreparedHandler struct {
   handler.CommonHandler
   dbh *database.DatabaseHandle
 }
@@ -19,6 +19,8 @@ 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 {
@@ -29,15 +31,16 @@ type observation_t struct {
 
 
 func New(id string, config config.HandlerConfigT) handler.Handler {
-  t := &SnmpHandler {
+  t := &PreparedHandler {
   }
   t.Id = id
   t.dbh = database.NewDatabaseHandle()
+  log.Printf("Handler Prepared %d initialized", id)
   return t
 }
 
-func (self *SnmpHandler) Handle(message handler.MessageT) {
-  // log.Printf("Handler SNMP %d processing %s -> %s", self.Id, message.Topic, message.Payload)
+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)
@@ -49,7 +52,7 @@ func (self *SnmpHandler) Handle(message handler.MessageT) {
   var measurement database.Measurement
   measurement.Time = time.Now()
 
-  measurement.Application = "SNMP"
+  measurement.Application = self.Id
   measurement.Device = observation.Device
 
   measurement.Attributes = map[string]interface{} {
@@ -61,12 +64,13 @@ func (self *SnmpHandler) Handle(message handler.MessageT) {
     measurement.Values[k] = database.VariableType {
       Label: v.Label,
       Variable: v.Variable,
-      Unit: "",
+      Unit: v.Unit,
       Value: v.Value,
+      Status: v.Status,
     }
   }
 
-  // log.Printf("Prepared measurement item: %s", measurement)
+  log.Printf("Prepared measurement item: %s", measurement)
 
   self.dbh.StoreMeasurement(&measurement)
   self.S()

src/udi/handlers/pv/pv.go

@@ -3,6 +3,7 @@ package pv
 import (
   "reflect"
   "time"
+  "log"
   "encoding/json"
   "udi/config"
   "udi/handlers/handler"
@@ -41,6 +42,7 @@ func New(id string, config config.HandlerConfigT) handler.Handler {
   }
   t.Id = id
   t.dbh = database.NewDatabaseHandle()
+  log.Printf("Handler PV %d initialized", id)
   return t
 }
 

src/udi/handlers/svej/svej.go

@@ -1,29 +1,30 @@
 package svej
 
 import (
-  "log"
-  "time"
-  "strconv"
-  "strings"
-  "fmt"
-  "github.com/oliveagle/jsonpath"
-  "encoding/json"
-  "udi/config"
-  "udi/handlers/handler"
-  "udi/database"
+	"encoding/json"
+	"fmt"
+	"log"
+	"strconv"
+	"strings"
+	"time"
+	"udi/config"
+	"udi/database"
+	"udi/handlers/handler"
+
+	"github.com/oliveagle/jsonpath"
 )
 
 type SingleValueExtractorJsonpathHandler struct {
-  handler.CommonHandler
-  ready bool
-  application string
-  deviceSelector string
-  valueSelector string
-  unitSelector string
-  deviceJsonpath *jsonpath.Compiled
-  valueJsonpath *jsonpath.Compiled
-  unitJsonpath *jsonpath.Compiled
-  dbh *database.DatabaseHandle
+	handler.CommonHandler
+	ready          bool
+	application    string
+	deviceSelector string
+	valueSelector  string
+	unitSelector   string
+	deviceJsonpath *jsonpath.Compiled
+	valueJsonpath  *jsonpath.Compiled
+	unitJsonpath   *jsonpath.Compiled
+	dbh            *database.DatabaseHandle
 }
 
 /*
@@ -33,133 +34,131 @@ T:TopicPartIndex
 C:ConstantValue
 */
 
-
 func New(id string, config config.HandlerConfigT) handler.Handler {
-  t := &SingleValueExtractorJsonpathHandler {
-    ready: false,
-  }
+	t := &SingleValueExtractorJsonpathHandler{
+		ready: false,
+	}
 
-  if config.Attributes["application"] == "" {
-    log.Println("Error: application not configured")
-    return t
-  }
-  t.application = config.Attributes["application"]
-  
-  t.deviceSelector = config.Attributes["deviceSelector"]
-  if t.deviceSelector[:2] == "J:" {
-    jp, err := jsonpath.Compile(t.deviceSelector[2:])
-    if err != nil {
-      log.Printf("Unable to compile deviceJsonpath: %s, %s", t.deviceSelector[2:], err)
-      return t
-    }
-    t.deviceJsonpath = jp
-  }
-  t.valueSelector = config.Attributes["valueSelector"]
-  if t.valueSelector[:2] == "J:" {
-    jp, err := jsonpath.Compile(t.valueSelector[2:])
-    if err != nil {
-      log.Printf("Unable to compile valueJsonpath: %s, %s", t.valueSelector[2:], err)
-      return t
-    }
-    t.valueJsonpath = jp
-  }
-  t.unitSelector = config.Attributes["unitSelector"]
-  if t.unitSelector[:2] == "J:" {
-    jp, err := jsonpath.Compile(t.unitSelector[2:])
-    if err != nil {
-      log.Printf("Unable to compile unitJsonpath: %s, %s", t.unitSelector[2:], err)
-      return t
-    }
-    t.unitJsonpath = jp
-  }
+	if config.Attributes["application"] == "" {
+		log.Println("Error: application not configured")
+		return t
+	}
+	t.application = config.Attributes["application"]
 
-  t.Id = id
-  t.ready = true
-  t.dbh = database.NewDatabaseHandle()
-  return t
+	t.deviceSelector = config.Attributes["deviceSelector"]
+	if t.deviceSelector[:2] == "J:" {
+		jp, err := jsonpath.Compile(t.deviceSelector[2:])
+		if err != nil {
+			log.Printf("Unable to compile deviceJsonpath: %s, %s", t.deviceSelector[2:], err)
+			return t
+		}
+		t.deviceJsonpath = jp
+	}
+	t.valueSelector = config.Attributes["valueSelector"]
+	if t.valueSelector[:2] == "J:" {
+		jp, err := jsonpath.Compile(t.valueSelector[2:])
+		if err != nil {
+			log.Printf("Unable to compile valueJsonpath: %s, %s", t.valueSelector[2:], err)
+			return t
+		}
+		t.valueJsonpath = jp
+	}
+	t.unitSelector = config.Attributes["unitSelector"]
+	if t.unitSelector[:2] == "J:" {
+		jp, err := jsonpath.Compile(t.unitSelector[2:])
+		if err != nil {
+			log.Printf("Unable to compile unitJsonpath: %s, %s", t.unitSelector[2:], err)
+			return t
+		}
+		t.unitJsonpath = jp
+	}
+
+	t.Id = id
+	t.ready = true
+	t.dbh = database.NewDatabaseHandle()
+	log.Printf("Handler SVEJ %s initialized", id)
+	return t
 }
 
-func (self *SingleValueExtractorJsonpathHandler) 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)
-    }
-    if i >= len(subTopics) {
-      return "", fmt.Errorf("not enough subtopics")
-    }
-    res = subTopics[i]
-  case "C:":
-    // use constant value
-    res = selector[2:]
-  default:
-    return "", fmt.Errorf("Invalid selector: %s", selector[:2])
-  }
-  return res, nil
+func (self *SingleValueExtractorJsonpathHandler) ExtractionHelper(subTopics []string, jPayload interface{}, selector string, jp *jsonpath.Compiled) (interface{}, error) {
+	var res interface{}
+	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 = r
+	case "T:":
+		// T: extract from topic
+		i, e := strconv.Atoi(selector[2:])
+		if e != nil {
+			return "", fmt.Errorf("Atoi failed with %s", e)
+		}
+		if i >= len(subTopics) {
+			return "", fmt.Errorf("not enough subtopics")
+		}
+		res = subTopics[i]
+	case "C:":
+		// use constant value
+		res = selector[2:]
+	default:
+		return "", fmt.Errorf("Invalid selector: %s", selector[:2])
+	}
+	return res, nil
 }
 
-
 func (self *SingleValueExtractorJsonpathHandler) Handle(message handler.MessageT) {
-  if ! self.ready {
-    self.Lost("Handler is not marked as ready", nil, message)
-    return
-  }
-  log.Printf("Handler SingleValueExtractorJsonpath %d processing %s -> %s", self.Id, message.Topic, message.Payload)
+	if !self.ready {
+		self.Lost("Handler is not marked as ready", nil, message)
+		return
+	}
+	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, ", "))
-  var jPayload interface{}
-  err := json.Unmarshal([]byte(message.Payload), &jPayload)
-  if err != nil {
-    self.Lost("Unable to unmarshal payload", err, message)
-    return
-  }
+	var measurement database.Measurement
+	measurement.Time = time.Now()
+	measurement.Application = self.application
 
-  device, err1 := self.ExtractionHelper(subTopics, jPayload, self.deviceSelector, self.deviceJsonpath)
-  if err1 != nil {
-    self.Lost("Device extraction failed", err1, message)
-    return
-  }
-  log.Printf("device: %s", device) 
+	subTopics := strings.Split(message.Topic, "/")
+	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)
+		return
+	}
 
-  value, err2 := self.ExtractionHelper(subTopics, jPayload, self.valueSelector, self.valueJsonpath)
-  if err2 != nil {
-    self.Lost("Value extraction failed", err2, message)
-    return
-  }
+	device, err1 := self.ExtractionHelper(subTopics, jPayload, self.deviceSelector, self.deviceJsonpath)
+	if err1 != nil {
+		self.Lost("Device extraction failed", err1, message)
+		return
+	}
+	log.Printf("device: %s", device)
 
-  unit, err3 := self.ExtractionHelper(subTopics, jPayload, self.unitSelector, self.unitJsonpath)
-  if err3 != nil {
-    self.Lost("Unit extraction failed", err3, message)
-    return
-  }
+	value, err2 := self.ExtractionHelper(subTopics, jPayload, self.valueSelector, self.valueJsonpath)
+	if err2 != nil {
+		self.Lost("Value extraction failed", err2, message)
+		return
+	}
 
-  measurement.Device = device
+	unit, err3 := self.ExtractionHelper(subTopics, jPayload, self.unitSelector, self.unitJsonpath)
+	if err3 != nil {
+		self.Lost("Unit extraction failed", err3, message)
+		return
+	}
 
-  var variable database.VariableType
-  variable.Label = ""
-  variable.Variable = ""
-  variable.Unit = unit
-  variable.Value = value
-  measurement.Values = make(map[string]database.VariableType)
-  measurement.Values["Value"] = variable
+	measurement.Device = device.(string)
 
-  log.Printf("Prepared measurement item: %s", measurement)
-  self.dbh.StoreMeasurement(&measurement)
-  self.S()
+	var variable database.VariableType
+	variable.Label = ""
+	variable.Variable = ""
+	variable.Unit = unit.(string)
+	variable.Value = value
+	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/sver/sver.go

@@ -1,23 +1,22 @@
 package sver
 
 import (
-  "time"
-  "strconv"
-  "strings"
-  "regexp"
-  "log"
-  "udi/config"
-  "udi/handlers/handler"
-  "udi/database"
+	"log"
+	"regexp"
+	"strconv"
+	"strings"
+	"time"
+	"udi/config"
+	"udi/database"
+	"udi/handlers/handler"
 )
 
-
 type SingleValueExtractorRegexHandler struct {
-  handler.CommonHandler
-  ready bool
-  config localConfig
-  payloadRegex *regexp.Regexp
-  dbh *database.DatabaseHandle
+	handler.CommonHandler
+	ready        bool
+	config       localConfig
+	payloadRegex *regexp.Regexp
+	dbh          *database.DatabaseHandle
 }
 
 const TOPIC_SEL = "topic"
@@ -26,174 +25,191 @@ const PAYLOAD_FULL_SEL = "payload-full"
 const CONSTANT_SEL = "constant"
 
 type localConfig struct {
-  application string
-  deviceFrom string
-  devicePart int
-  device string
-  valueFrom string
-  valuePart int
-  unitFrom string
-  unitPart int
-  unit string
+	application string
+	deviceFrom  string
+	devicePart  int
+	device      string
+	valueFrom   string
+	valuePart   int
+	valueType   string
+	unitFrom    string
+	unitPart    int
+	unit        string
 }
 
-
 func New(id string, config config.HandlerConfigT) handler.Handler {
-  t := &SingleValueExtractorRegexHandler {
-    ready: false,
-  }
+	t := &SingleValueExtractorRegexHandler{
+		ready: false,
+	}
 
-  var localConfig localConfig
-  if config.Attributes["application"] == "" {
-    log.Println("Error: application not configured")
-    return t
-  }
-  localConfig.application = config.Attributes["application"]
-  
-  payloadRegex := config.Attributes["payloadRegex"]
-  if payloadRegex != "" {
-    t.payloadRegex = regexp.MustCompile(payloadRegex)
-  } else {
-    t.payloadRegex = nil
-  }
+	var localConfig localConfig
+	if config.Attributes["application"] == "" {
+		log.Println("Error: application not configured")
+		return t
+	}
+	localConfig.application = config.Attributes["application"]
 
-  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"])
-    return t
-  }
-  localConfig.deviceFrom = config.Attributes["deviceFrom"]
+	payloadRegex := config.Attributes["payloadRegex"]
+	if payloadRegex != "" {
+		t.payloadRegex = regexp.MustCompile(payloadRegex)
+	} else {
+		t.payloadRegex = nil
+	}
 
-  devicePart, err1 := strconv.Atoi(config.Attributes["devicePart"])
-  if err1 != nil {
-    log.Printf("Error: unable to convert devicePart to number: %s", err1)
-    return t
-  }
-  localConfig.devicePart = devicePart
+	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"])
+		return t
+	}
+	localConfig.deviceFrom = config.Attributes["deviceFrom"]
 
-  // empty device is valid
-  localConfig.device = config.Attributes["device"]
+	devicePart, err1 := strconv.Atoi(config.Attributes["devicePart"])
+	if err1 != nil {
+		log.Printf("Error: unable to convert devicePart to number: %s", err1)
+		return t
+	}
+	localConfig.devicePart = devicePart
 
-  if config.Attributes["valueFrom"] != PAYLOAD_SEL && config.Attributes["valueFrom"] != PAYLOAD_FULL_SEL {
-    log.Printf("Error: invalid value %s for valueFrom", config.Attributes["valueFrom"])
-    return t
-  }
-  localConfig.valueFrom = config.Attributes["valueFrom"]
+	// empty device is valid
+	localConfig.device = config.Attributes["device"]
 
-  if config.Attributes["valueFrom"] == PAYLOAD_SEL {
-    valuePart, err2 := strconv.Atoi(config.Attributes["valuePart"])
-    if err2 != nil {
-      log.Printf("Error: unable to convert valuePart to number: %s", err2)
-      return t
-    }
-    localConfig.valuePart = valuePart
-  }
+	if config.Attributes["valueFrom"] != PAYLOAD_SEL && config.Attributes["valueFrom"] != PAYLOAD_FULL_SEL {
+		log.Printf("Error: invalid value %s for valueFrom", config.Attributes["valueFrom"])
+		return t
+	}
+	localConfig.valueFrom = config.Attributes["valueFrom"]
 
-  if config.Attributes["unitFrom"] != PAYLOAD_SEL && config.Attributes["unitFrom"] != CONSTANT_SEL {
-    log.Printf("Error: invalid value %s for unitFrom", config.Attributes["unitFrom"])
-    return t
-  }
-  localConfig.unitFrom = config.Attributes["unitFrom"]
+	if config.Attributes["valueFrom"] == PAYLOAD_SEL {
+		valuePart, err2 := strconv.Atoi(config.Attributes["valuePart"])
+		if err2 != nil {
+			log.Printf("Error: unable to convert valuePart to number: %s", err2)
+			return t
+		}
+		localConfig.valuePart = valuePart
+	}
 
-  if config.Attributes["unitFrom"] == PAYLOAD_SEL {
-    unitPart, err3 := strconv.Atoi(config.Attributes["unitPart"])
-    if err3 != nil {
-      log.Printf("Error: unable to convert unitPart to number: %s", err3)
-      return t
-    }
-    localConfig.unitPart = unitPart
-  }
+	if config.Attributes["valueType"] != "float" && config.Attributes["valueType"] != "string" {
+		log.Printf("Error: invalid value %s for valueType", config.Attributes["valueType"])
+		return t
+	}
+	localConfig.valueType = config.Attributes["valueType"]
 
-  // empty unit is valid
-  localConfig.unit = config.Attributes["unit"]
+	if config.Attributes["unitFrom"] != PAYLOAD_SEL && config.Attributes["unitFrom"] != CONSTANT_SEL {
+		log.Printf("Error: invalid value %s for unitFrom", config.Attributes["unitFrom"])
+		return t
+	}
+	localConfig.unitFrom = config.Attributes["unitFrom"]
 
-  t.config = localConfig
+	if config.Attributes["unitFrom"] == PAYLOAD_SEL {
+		unitPart, err3 := strconv.Atoi(config.Attributes["unitPart"])
+		if err3 != nil {
+			log.Printf("Error: unable to convert unitPart to number: %s", err3)
+			return t
+		}
+		localConfig.unitPart = unitPart
+	}
 
-  t.Id = id
-  t.ready = true
-  t.dbh = database.NewDatabaseHandle()
-  return t
+	// empty unit is valid
+	localConfig.unit = config.Attributes["unit"]
+
+	t.config = localConfig
+
+	t.Id = id
+	t.ready = true
+	t.dbh = database.NewDatabaseHandle()
+	log.Printf("Handler SVER %d initialized", id)
+	return t
 }
 
 func (self *SingleValueExtractorRegexHandler) Handle(message handler.MessageT) {
-  if ! self.ready {
-    self.Lost("Handler is not marked as ready", nil, message)
-    return
-  }
-  //log.Printf("Handler SingleValueExtractor %d processing %s -> %s", self.id, message.Topic, message.Payload)
+	if !self.ready {
+		self.Lost("Handler is not marked as ready", nil, message)
+		return
+	}
+	//log.Printf("Handler SingleValueExtractor %d processing %s -> %s", self.id, message.Topic, message.Payload)
 
-  var measurement database.Measurement
-  measurement.Time = time.Now()
-  measurement.Application = self.config.application
-  
-  subTopics := strings.Split(message.Topic, "/")
-  //log.Printf("Subtopics: %s", strings.Join(subTopics, ", "))
+	var measurement database.Measurement
+	measurement.Time = time.Now()
+	measurement.Application = self.config.application
 
-  var payloadMatches []string
-  if self.payloadRegex != nil {
-    payloadMatches = self.payloadRegex.FindStringSubmatch(message.Payload)
-    //log.Printf("Matches: %s", strings.Join(payloadMatches, ", "))
-  }
+	subTopics := strings.Split(message.Topic, "/")
+	//log.Printf("Subtopics: %s", strings.Join(subTopics, ", "))
 
-  switch self.config.deviceFrom {
-  case TOPIC_SEL:
-    if self.config.devicePart >= len(subTopics) {
-      self.Lost("devicePart out of range", nil, message)
-      return
-    }
-    measurement.Device = subTopics[self.config.devicePart]
-  case PAYLOAD_SEL:
-    if self.payloadRegex == nil {
-      self.Lost("no payloadRegex defined, devicePart can't be used", nil, message)
-      return
-    }
-    if self.config.devicePart >= len(payloadMatches) {
-      self.Lost("devicePart out of range", nil, message)
-      return
-    }
-    measurement.Device = payloadMatches[self.config.devicePart]
-  case CONSTANT_SEL:
-    measurement.Device = self.config.device
-  }
+	var payloadMatches []string
+	if self.payloadRegex != nil {
+		payloadMatches = self.payloadRegex.FindStringSubmatch(message.Payload)
+		//log.Printf("Matches: %s", strings.Join(payloadMatches, ", "))
+	}
 
-  measurement.Values = make(map[string]database.VariableType)
-  var variable database.VariableType
-  variable.Label = ""
-  variable.Variable = ""
+	switch self.config.deviceFrom {
+	case TOPIC_SEL:
+		if self.config.devicePart >= len(subTopics) {
+			self.Lost("devicePart out of range", nil, message)
+			return
+		}
+		measurement.Device = subTopics[self.config.devicePart]
+	case PAYLOAD_SEL:
+		if self.payloadRegex == nil {
+			self.Lost("no payloadRegex defined, devicePart can't be used", nil, message)
+			return
+		}
+		if self.config.devicePart >= len(payloadMatches) {
+			self.Lost("devicePart out of range", nil, message)
+			return
+		}
+		measurement.Device = payloadMatches[self.config.devicePart]
+	case CONSTANT_SEL:
+		measurement.Device = self.config.device
+	}
 
-  switch self.config.valueFrom {
-  case PAYLOAD_SEL:
-    if self.payloadRegex == nil {
-      self.Lost("no payloadRegex defined, valuePart can't be used", nil, message)
-      return
-    }
-    if self.config.valuePart >= len(payloadMatches) {
-      self.Lost("valuePart out of range", nil, message)
-      return
-    }
-    variable.Value = payloadMatches[self.config.valuePart]
-  case PAYLOAD_FULL_SEL:
-    variable.Value = message.Payload
-  }
+	measurement.Values = make(map[string]database.VariableType)
+	var variable database.VariableType
+	variable.Label = ""
+	variable.Variable = ""
 
-  switch self.config.unitFrom {
-  case PAYLOAD_SEL:
-    if self.payloadRegex == nil {
-      self.Lost("no payloadRegex defined, unitPart can't be used", nil, message)
-      return
-    }
-    if self.config.unitPart >= len(payloadMatches) {
-      self.Lost("unitPart out of range", nil, message)
-      return
-    }
-    variable.Unit = payloadMatches[self.config.unitPart]
-  case CONSTANT_SEL:
-    variable.Unit = self.config.unit
-  }
+	var value string
+	switch self.config.valueFrom {
+	case PAYLOAD_SEL:
+		if self.payloadRegex == nil {
+			self.Lost("no payloadRegex defined, valuePart can't be used", nil, message)
+			return
+		}
+		if self.config.valuePart >= len(payloadMatches) {
+			self.Lost("valuePart out of range", nil, message)
+			return
+		}
+		value = payloadMatches[self.config.valuePart]
+	case PAYLOAD_FULL_SEL:
+		value = message.Payload
+	}
+	if self.config.valueType == "float" {
+		fValue, err := strconv.ParseFloat(value, 64)
+		if err != nil {
+			self.Lost("Unable to convert value to float", err, message)
+			return
+		}
+		variable.Value = fValue
+	} else {
+		variable.Value = value
+	}
 
-  measurement.Values["Value"] = variable
+	switch self.config.unitFrom {
+	case PAYLOAD_SEL:
+		if self.payloadRegex == nil {
+			self.Lost("no payloadRegex defined, unitPart can't be used", nil, message)
+			return
+		}
+		if self.config.unitPart >= len(payloadMatches) {
+			self.Lost("unitPart out of range", nil, message)
+			return
+		}
+		variable.Unit = payloadMatches[self.config.unitPart]
+	case CONSTANT_SEL:
+		variable.Unit = self.config.unit
+	}
 
-  //log.Printf("Prepared measurement item: %s", measurement)
-  self.dbh.StoreMeasurement(&measurement)
-  self.S()
+	measurement.Values["Value"] = variable
+
+	//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

@@ -1,112 +1,80 @@
 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"
+	"encoding/json"
+	"fmt"
+	"log"
+	"strings"
+	"time"
+	"udi/config"
+	"udi/database"
+	"udi/handlers/handler"
 )
 
-
 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
+	handler.CommonHandler
+	dbh *database.DatabaseHandle
 }
 
 func New(id string, config config.HandlerConfigT) handler.Handler {
-  t := &Z2MHandler {
-  }
-  t.Id = id
-  t.dbh = database.NewDatabaseHandle()
-  return t
+	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)
+	log.Printf("Handler Z2M %d processing %s -> %s", self.Id, message.Topic, message.Payload)
 
-  var measurement database.Measurement
-  measurement.Time = time.Now()
+	var measurement database.Measurement
+	measurement.Time = time.Now()
 
+	subTopics := strings.Split(message.Topic, "/")
+	deviceId := subTopics[1]
+	log.Printf("DeviceId: %s", deviceId)
 
-  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.Device = deviceId
 
-  measurement.Application = device.Application.Label
-  measurement.Device = device.Attributes["Label"].(string)
+	// Parse JSON direkt in eine map
+	var jsonData map[string]interface{}
+	err := json.Unmarshal([]byte(message.Payload), &jsonData)
+	if err != nil {
+		self.Lost("Failed to parse JSON payload", err, message)
+		return
+	}
 
-  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.Attributes = make(map[string]interface{})
+	measurement.Values = make(map[string]database.VariableType)
 
-  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
-  }
+	// Extract device info for application naming
+	if deviceData, ok := jsonData["device"]; ok {
+		if deviceMap, ok := deviceData.(map[string]any); ok {
+			manufacturerId, hasManufacturer := deviceMap["manufacturerID"]
+			model, hasModel := deviceMap["model"]
 
-  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()
+			if !hasManufacturer || !hasModel {
+				self.Lost("Missing manufacturerID or model in device data", fmt.Errorf("manufacturerID: %v, model: %v", hasManufacturer, hasModel), handler.MessageT{})
+				return
+			}
+
+			measurement.Application = "z2m_" + fmt.Sprintf("%v", manufacturerId) + "_" + model.(string)
+		}
+		delete(jsonData, "device")
+	}
+
+	// Konvertiere die restlichen Elemente in VariableType-Map
+	for key, value := range jsonData {
+		measurement.Values[key] = database.VariableType{
+			Label:    key,
+			Variable: "",
+			Unit:     "",
+			Value:    value,
+		}
+	}
+
+	measurement.Attributes["Status"] = "ok"
+	log.Printf("Prepared measurement item: %s", measurement)
+	self.dbh.StoreMeasurement(&measurement)
+	self.S()
 }
-
-

src/udi/migrate_schema.go

@@ -1,18 +0,0 @@
-package main
-
-import "log"
-import "udi/database"
-
-
-
-func main() {
-  log.SetPrefix("UDI Migrate Schema: ")
-  log.SetFlags(log.Ldate | log.Ltime | log.Lshortfile)
-
-  log.Println("Starting")
-
-  database.Migrate()
-
-  log.Println("Done")
-}
-