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https://github.com/cmur2/miflorad.git
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miflorad: introduce metric struct to separate metrics collection and formatting
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parent
dbb1dccc77
commit
c2be27f2d8
@ -44,6 +44,15 @@ type peripheral struct {
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var allPeripherals []*peripheral
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type metric struct {
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peripheralId string
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metaData common.VersionBatteryResponse
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sensorData common.SensorDataResponse
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connectTime float64
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readoutTime float64
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rssi int
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}
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type mqttLogger struct {
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level string
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}
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@ -89,50 +98,36 @@ func getMQTTOptions() *mqtt.ClientOptions {
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}
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}
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func readData(peripheral *peripheral, client ble.Client, send chan string) error {
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func readData(peripheral *peripheral, client ble.Client) (common.SensorDataResponse, error) {
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// re-request meta data (for battery level) if last check more than 24 hours ago
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// Source: https://github.com/open-homeautomation/miflora/blob/ffd95c3e616df8843cc8bff99c9b60765b124092/miflora/miflora_poller.py#L92
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if time.Since(peripheral.lastMetaDataFetch) >= 24*time.Hour {
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metaData, err := impl.RequestVersionBattery(client)
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if err != nil {
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return errors.Wrap(err, "can't request version battery")
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return common.SensorDataResponse{}, errors.Wrap(err, "can't request version battery")
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}
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peripheral.metaData = metaData
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peripheral.lastMetaDataFetch = time.Now()
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}
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id := common.MifloraGetAlphaNumericID(peripheral.id)
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timestamp := time.Now().Unix()
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send <- fmt.Sprintf("%s.miflora.%s.battery_level %d %d", *prefix, id, peripheral.metaData.BatteryLevel, timestamp)
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send <- fmt.Sprintf("%s.miflora.%s.firmware_version %d %d", *prefix, id, peripheral.metaData.NumericFirmwareVersion(), timestamp)
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if peripheral.metaData.RequiresModeChangeBeforeRead() {
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err2 := impl.RequestModeChange(client)
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if err2 != nil {
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return errors.Wrap(err2, "can't request mode change")
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return common.SensorDataResponse{}, errors.Wrap(err2, "can't request mode change")
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}
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}
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sensorData, err3 := impl.RequestSensorData(client)
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if err3 != nil {
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return errors.Wrap(err3, "can't request sensor data")
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return common.SensorDataResponse{}, errors.Wrap(err3, "can't request sensor data")
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}
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send <- fmt.Sprintf("%s.miflora.%s.temperature %.1f %d", *prefix, id, sensorData.Temperature, timestamp)
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send <- fmt.Sprintf("%s.miflora.%s.brightness %d %d", *prefix, id, sensorData.Brightness, timestamp)
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send <- fmt.Sprintf("%s.miflora.%s.moisture %d %d", *prefix, id, sensorData.Moisture, timestamp)
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send <- fmt.Sprintf("%s.miflora.%s.conductivity %d %d", *prefix, id, sensorData.Conductivity, timestamp)
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return nil
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return sensorData, nil
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}
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func connectPeripheral(peripheral *peripheral, send chan string) error {
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func connectPeripheral(peripheral *peripheral, send chan metric) error {
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fmt.Fprintf(os.Stderr, "Scanning for %s...\n", peripheral.id)
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id := common.MifloraGetAlphaNumericID(peripheral.id)
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timestamp := time.Now().Unix()
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// only way to get back the found advertisement, must be buffered!
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foundAdvertisementChannel := make(chan ble.Advertisement, 1)
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@ -153,10 +148,6 @@ func connectPeripheral(peripheral *peripheral, send chan string) error {
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}
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timeConnectTook := time.Since(timeConnectStart).Seconds()
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send <- fmt.Sprintf("%s.miflora.%s.connect_time %.2f %d", *prefix, id, timeConnectTook, timestamp)
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foundAdvertisement := <-foundAdvertisementChannel
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send <- fmt.Sprintf("%s.miflora.%s.rssi %d %d", *prefix, id, foundAdvertisement.RSSI(), timestamp)
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// Source: https://github.com/go-ble/ble/blob/master/examples/basic/explorer/main.go#L53
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// Make sure we had the chance to print out the message.
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@ -175,19 +166,31 @@ func connectPeripheral(peripheral *peripheral, send chan string) error {
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return errors.Wrap(err, "can't descover profile")
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}
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err2 := readData(peripheral, client, send)
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sensorData, err2 := readData(peripheral, client)
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timeReadoutTook := time.Since(timeReadoutStart).Seconds()
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send <- fmt.Sprintf("%s.miflora.%s.readout_time %.2f %d", *prefix, id, timeReadoutTook, timestamp)
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client.CancelConnection()
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<-done
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return err2
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if err2 != nil {
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return errors.Wrap(err2, "can't read data")
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}
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func readPeripheral(peripheral *peripheral, send chan string) error {
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send <- metric{
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peripheralId: common.MifloraGetAlphaNumericID(peripheral.id),
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sensorData: sensorData,
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metaData: peripheral.metaData,
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connectTime: timeConnectTook,
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readoutTime: timeReadoutTook,
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rssi: (<-foundAdvertisementChannel).RSSI(),
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}
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return nil
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}
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func readPeripheral(peripheral *peripheral, send chan metric) error {
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var err error
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for retry := 0; retry < *readRetries; retry++ {
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err = connectPeripheral(peripheral, send)
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@ -199,7 +202,7 @@ func readPeripheral(peripheral *peripheral, send chan string) error {
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return err
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}
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func readAllPeripherals(quit chan struct{}, send chan string) {
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func readAllPeripherals(quit chan struct{}, send chan metric) {
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for _, peripheral := range allPeripherals {
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// check for quit signal (non-blocking) and terminate
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select {
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@ -211,8 +214,8 @@ func readAllPeripherals(quit chan struct{}, send chan string) {
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err := readPeripheral(peripheral, send)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Failed to read peripheral %s, err: %s\n", peripheral.id, err)
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id := common.MifloraGetAlphaNumericID(peripheral.id)
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send <- fmt.Sprintf("%s.miflora.%s.failed 1 %d", *prefix, id, time.Now().Unix())
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// id := common.MifloraGetAlphaNumericID(peripheral.id)
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// send <- fmt.Sprintf("%s.miflora.%s.failed 1 %d", *prefix, id, time.Now().Unix())
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continue
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}
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}
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@ -255,7 +258,8 @@ func main() {
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intervalTicker := time.NewTicker(*interval)
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quit := make(chan struct{})
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send := make(chan string, 10)
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send := make(chan metric, 1)
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publish := make(chan string, 10)
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go func() {
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fmt.Fprintf(os.Stderr, "Starting loop with %s interval...\n", *interval)
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@ -278,8 +282,25 @@ func main() {
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go func() {
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for metric := range send {
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// fmt.Fprintln(os.Stdout, metric)
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token := mqttClient.Publish(*brokerTopicPrefix+*prefix, 1, false, metric)
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timestamp := time.Now().Unix()
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id := metric.peripheralId
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publish <- fmt.Sprintf("%s.miflora.%s.battery_level %d %d", *prefix, id, metric.metaData.BatteryLevel, timestamp)
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publish <- fmt.Sprintf("%s.miflora.%s.firmware_version %d %d", *prefix, id, metric.metaData.NumericFirmwareVersion(), timestamp)
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publish <- fmt.Sprintf("%s.miflora.%s.temperature %.1f %d", *prefix, id, metric.sensorData.Temperature, timestamp)
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publish <- fmt.Sprintf("%s.miflora.%s.brightness %d %d", *prefix, id, metric.sensorData.Brightness, timestamp)
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publish <- fmt.Sprintf("%s.miflora.%s.moisture %d %d", *prefix, id, metric.sensorData.Moisture, timestamp)
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publish <- fmt.Sprintf("%s.miflora.%s.conductivity %d %d", *prefix, id, metric.sensorData.Conductivity, timestamp)
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publish <- fmt.Sprintf("%s.miflora.%s.connect_time %.2f %d", *prefix, id, metric.connectTime, timestamp)
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publish <- fmt.Sprintf("%s.miflora.%s.readout_time %.2f %d", *prefix, id, metric.readoutTime, timestamp)
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publish <- fmt.Sprintf("%s.miflora.%s.rssi %d %d", *prefix, id, metric.rssi, timestamp)
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}
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}()
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go func() {
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for line := range publish {
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// fmt.Fprintln(os.Stdout, line)
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token := mqttClient.Publish(*brokerTopicPrefix, 1, false, line)
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if token.WaitTimeout(1*time.Second) && token.Error() != nil {
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fmt.Fprintf(os.Stderr, "Failed to publish MQTT, err: %s\n", token.Error())
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continue
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