fix(pkg/daemon): use measuredValue interface instead of different structs

This commit is contained in:
Markus Pesch 2019-06-25 22:22:34 +02:00
parent 30603e348c
commit 08c2cbbf57
Signed by: volker.raschek
GPG Key ID: 852BCC170D81A982
20 changed files with 682 additions and 860 deletions

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@ -6,10 +6,8 @@ import (
"time" "time"
"github.com/go-flucky/flucky/cmd/daemon" "github.com/go-flucky/flucky/cmd/daemon"
"github.com/go-flucky/flucky/cmd/humidity"
"github.com/go-flucky/flucky/cmd/rgbled" "github.com/go-flucky/flucky/cmd/rgbled"
"github.com/go-flucky/flucky/cmd/sensor" "github.com/go-flucky/flucky/cmd/sensor"
"github.com/go-flucky/flucky/cmd/temperature"
"github.com/go-flucky/flucky/pkg/types" "github.com/go-flucky/flucky/pkg/types"
"github.com/go-flucky/flucky/pkg/config" "github.com/go-flucky/flucky/pkg/config"
@ -58,9 +56,9 @@ func Execute(version string) {
rootCmd.PersistentFlags().StringVar(&configFile, "config", "/etc/flucky/config.json", "Config file") rootCmd.PersistentFlags().StringVar(&configFile, "config", "/etc/flucky/config.json", "Config file")
daemon.InitCmd(rootCmd, configFile) daemon.InitCmd(rootCmd, configFile)
humidity.InitCmd(rootCmd, configFile) //humidity.InitCmd(rootCmd, configFile)
rgbled.InitCmd(rootCmd, configFile) rgbled.InitCmd(rootCmd, configFile)
sensor.InitCmd(rootCmd, configFile) sensor.InitCmd(rootCmd, configFile)
temperature.InitCmd(rootCmd, configFile) //temperature.InitCmd(rootCmd, configFile)
rootCmd.Execute() rootCmd.Execute()
} }

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@ -7,7 +7,6 @@ import (
"github.com/go-flucky/flucky/pkg/config" "github.com/go-flucky/flucky/pkg/config"
"github.com/go-flucky/flucky/pkg/daemon" "github.com/go-flucky/flucky/pkg/daemon"
"github.com/go-flucky/flucky/pkg/logger" "github.com/go-flucky/flucky/pkg/logger"
"github.com/go-flucky/flucky/pkg/sensor"
"github.com/spf13/cobra" "github.com/spf13/cobra"
) )
@ -34,12 +33,7 @@ var daemonCmd = &cobra.Command{
logger := logger.NewDefaultLogger(logger.LogLevelDebug) logger := logger.NewDefaultLogger(logger.LogLevelDebug)
measurementUnit, err := sensor.SelectTemperatureMeasurementUnit(temperatureUnit) daemon.Start(cnf, duration, compression, logger)
if err != nil {
log.Fatalf("Can not parse temperature unit: %v", temperatureUnit)
}
daemon.Start(cnf, duration, compression, measurementUnit, round, logger)
}, },
} }

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@ -225,7 +225,7 @@ func (c *Configuration) EnableSensor(name string) error {
} }
// GetHumiditySensors returns a list of humidity sensors // GetHumiditySensors returns a list of humidity sensors
func (c *Configuration) GetHumiditySensors(option Option) []sensor.HumiditySensor { func (c *Configuration) GetHumiditySensors(option Option) []sensor.Sensor {
humiditySensors := c.getHumiditySensors() humiditySensors := c.getHumiditySensors()
switch option { switch option {
@ -235,22 +235,22 @@ func (c *Configuration) GetHumiditySensors(option Option) []sensor.HumiditySenso
humiditySensors = append(humiditySensors[:i], humiditySensors[i+1:]...) humiditySensors = append(humiditySensors[:i], humiditySensors[i+1:]...)
} }
} }
return c.convertHumiditySensors(humiditySensors) return c.convertSensors(humiditySensors)
case DISABLED: case DISABLED:
for i, humiditySensor := range humiditySensors { for i, humiditySensor := range humiditySensors {
if humiditySensor.SensorEnabled { if humiditySensor.SensorEnabled {
humiditySensors = append(humiditySensors[:i], humiditySensors[i+1:]...) humiditySensors = append(humiditySensors[:i], humiditySensors[i+1:]...)
} }
} }
return c.convertHumiditySensors(humiditySensors) return c.convertSensors(humiditySensors)
default: default:
return c.convertHumiditySensors(humiditySensors) return c.convertSensors(humiditySensors)
} }
} }
// GetHumiditySensorsByName returns a list of temperature sensors by name, // GetHumiditySensorsByName returns a list of temperature sensors by name,
// uuid or wire-id // uuid or wire-id
func (c *Configuration) GetHumiditySensorsByName(names []string) []sensor.HumiditySensor { func (c *Configuration) GetHumiditySensorsByName(names []string) []sensor.Sensor {
configHumiditySensors := make(map[string]*types.Sensor, 0) configHumiditySensors := make(map[string]*types.Sensor, 0)
for _, name := range names { for _, name := range names {
@ -271,7 +271,7 @@ func (c *Configuration) GetHumiditySensorsByName(names []string) []sensor.Humidi
humiditySensors = append(humiditySensors, cs) humiditySensors = append(humiditySensors, cs)
} }
return c.convertHumiditySensors(humiditySensors) return c.convertSensors(humiditySensors)
} }
func (c *Configuration) GetRGBLEDs(option Option) []rgbled.RGBLED { func (c *Configuration) GetRGBLEDs(option Option) []rgbled.RGBLED {
@ -320,7 +320,7 @@ func (c *Configuration) GetRGBLEDsByName(names []string) []rgbled.RGBLED {
} }
// GetTemperatureSensors returns a list of temperature sensors // GetTemperatureSensors returns a list of temperature sensors
func (c *Configuration) GetTemperatureSensors(option Option) []sensor.TemperatureSensor { func (c *Configuration) GetTemperatureSensors(option Option) []sensor.Sensor {
temperatureSensors := c.getTemperatureSensors() temperatureSensors := c.getTemperatureSensors()
switch option { switch option {
@ -330,22 +330,22 @@ func (c *Configuration) GetTemperatureSensors(option Option) []sensor.Temperatur
temperatureSensors = append(temperatureSensors[:i], temperatureSensors[i+1:]...) temperatureSensors = append(temperatureSensors[:i], temperatureSensors[i+1:]...)
} }
} }
return c.convertTemperatureSensors(temperatureSensors) return c.convertSensors(temperatureSensors)
case DISABLED: case DISABLED:
for i, temperatureSensor := range temperatureSensors { for i, temperatureSensor := range temperatureSensors {
if temperatureSensor.SensorEnabled { if temperatureSensor.SensorEnabled {
temperatureSensors = append(temperatureSensors[:i], temperatureSensors[i+1:]...) temperatureSensors = append(temperatureSensors[:i], temperatureSensors[i+1:]...)
} }
} }
return c.convertTemperatureSensors(temperatureSensors) return c.convertSensors(temperatureSensors)
default: default:
return c.convertTemperatureSensors(temperatureSensors) return c.convertSensors(temperatureSensors)
} }
} }
// GetTemperatureSensorsByName returns a list of temperature sensors by name, // GetTemperatureSensorsByName returns a list of temperature sensors by name,
// uuid or wire-id // uuid or wire-id
func (c *Configuration) GetTemperatureSensorsByName(names []string) []sensor.TemperatureSensor { func (c *Configuration) GetTemperatureSensorsByName(names []string) []sensor.Sensor {
configTemperatureSensors := make(map[string]*types.Sensor, 0) configTemperatureSensors := make(map[string]*types.Sensor, 0)
for _, name := range names { for _, name := range names {
@ -366,7 +366,7 @@ func (c *Configuration) GetTemperatureSensorsByName(names []string) []sensor.Tem
temperatureSensors = append(temperatureSensors, cs) temperatureSensors = append(temperatureSensors, cs)
} }
return c.convertTemperatureSensors(temperatureSensors) return c.convertSensors(temperatureSensors)
} }
// RemoveRGBLED deletes a LED by its name or its unique UUID // RemoveRGBLED deletes a LED by its name or its unique UUID
@ -431,22 +431,26 @@ func (c *Configuration) RenameSensor(oldName, newName string) error {
return fmt.Errorf("Could not find remote %v to replace into with %v", oldName, newName) return fmt.Errorf("Could not find remote %v to replace into with %v", oldName, newName)
} }
func (c *Configuration) convertHumiditySensors(sensors []*types.Sensor) []sensor.HumiditySensor { func (c *Configuration) convertSensors(sensors []*types.Sensor) []sensor.Sensor {
humiditySensors := make([]sensor.HumiditySensor, 0) cachedSensors := make([]sensor.Sensor, 0)
for _, s := range sensors { for _, s := range sensors {
switch s.SensorModel { switch s.SensorModel {
case types.DHT11: case types.DHT11:
humiditySensors = append(humiditySensors, &sensor.DHT11{ cachedSensors = append(cachedSensors, &sensor.DHT11{
Sensor: s, Sensor: s,
}) })
case types.DHT22: case types.DHT22:
humiditySensors = append(humiditySensors, &sensor.DHT22{ cachedSensors = append(cachedSensors, &sensor.DHT22{
Sensor: s,
})
case types.DS18B20:
cachedSensors = append(cachedSensors, &sensor.DS18B20{
Sensor: s, Sensor: s,
}) })
} }
} }
return humiditySensors return cachedSensors
} }
func (c *Configuration) convertRGBLEDs(rgbLEDs []*types.RGBLED) []rgbled.RGBLED { func (c *Configuration) convertRGBLEDs(rgbLEDs []*types.RGBLED) []rgbled.RGBLED {
@ -461,28 +465,6 @@ func (c *Configuration) convertRGBLEDs(rgbLEDs []*types.RGBLED) []rgbled.RGBLED
return leds return leds
} }
func (c *Configuration) convertTemperatureSensors(sensors []*types.Sensor) []sensor.TemperatureSensor {
temperatureSensors := make([]sensor.TemperatureSensor, 0)
for _, s := range sensors {
switch s.SensorModel {
case types.DHT11:
temperatureSensors = append(temperatureSensors, &sensor.DHT11{
Sensor: s,
})
case types.DHT22:
temperatureSensors = append(temperatureSensors, &sensor.DHT22{
Sensor: s,
})
case types.DS18B20:
temperatureSensors = append(temperatureSensors, &sensor.DS18B20{
Sensor: s,
})
}
}
return temperatureSensors
}
func (c *Configuration) getHumiditySensors() []*types.Sensor { func (c *Configuration) getHumiditySensors() []*types.Sensor {
humiditySensors := make([]*types.Sensor, 0) humiditySensors := make([]*types.Sensor, 0)
for _, s := range c.Sensors { for _, s := range c.Sensors {

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@ -16,15 +16,11 @@ import (
) )
// Start the daemon // Start the daemon
func Start(cnf *config.Configuration, cleanCacheInterval time.Duration, compression bool, degree types.TemperatureUnit, round float64, logger logger.Logger) { func Start(cnf *config.Configuration, cleanCacheInterval time.Duration, compression bool, logger logger.Logger) {
// Info // Info
logger.Info("Use clean-cache-interval: %v", cleanCacheInterval.String()) logger.Info("Use clean-cache-interval: %v", cleanCacheInterval.String())
logger.Info("Use compression: %v", compression) logger.Info("Use compression: %v", compression)
logger.Info("Round values: %v", round)
logger.Info("Temperature unit: %v", degree)
temperatureLogfile := logfile.New(cnf.Device.TemperatureLogfile)
ticker := time.Tick(cleanCacheInterval) ticker := time.Tick(cleanCacheInterval)
@ -32,16 +28,16 @@ func Start(cnf *config.Configuration, cleanCacheInterval time.Duration, compress
signal.Notify(interrupt, os.Interrupt, os.Kill, syscall.SIGTERM) signal.Notify(interrupt, os.Interrupt, os.Kill, syscall.SIGTERM)
errorChannel := make(chan error, 0) errorChannel := make(chan error, 0)
//humidityChannel := make(chan *types.Humidity, 0) measuredValueChannel := make(chan types.MeasuredValue, 0)
temperatureChannel := make(chan *types.Temperature, 0)
ctx := context.Background() ctx := context.Background()
childContext, cancel := context.WithCancel(ctx) childContext, cancel := context.WithCancel(ctx)
// go sensor.ReadHumiditiesContinuously(cnf.GetHumiditySensors(config.ENABLED), humidityChannel, errorChannel) logfile := logfile.New(cnf)
go sensor.ReadTemperaturesContinuously(childContext, cnf.GetTemperatureSensors(config.ENABLED), degree, round, temperatureChannel, errorChannel)
temperatureCache := make([]*types.Temperature, 0) measuredValuesCache := make([]types.MeasuredValue, 0)
go sensor.ReadContinuously(childContext, cnf.GetTemperatureSensors(config.ENABLED), measuredValueChannel, errorChannel)
rgbLEDs := cnf.GetRGBLEDs(config.ENABLED) rgbLEDs := cnf.GetRGBLEDs(config.ENABLED)
@ -70,7 +66,7 @@ func Start(cnf *config.Configuration, cleanCacheInterval time.Duration, compress
logger.Error("Can not turn on blue info light: %v", err) logger.Error("Can not turn on blue info light: %v", err)
} }
err = logfile.AppendTemperatures(temperatureLogfile, compression, temperatureCache) err = logfile.Append(compression, measuredValuesCache)
if err != nil { if err != nil {
err = rgbled.Error(rgbLEDs) err = rgbled.Error(rgbLEDs)
@ -81,10 +77,10 @@ func Start(cnf *config.Configuration, cleanCacheInterval time.Duration, compress
cancel() cancel()
logger.Fatal("Can not save temperatures: %v", err) logger.Fatal("Can not save temperatures: %v", err)
} }
temperatureCache = make([]*types.Temperature, 0) measuredValuesCache = make([]types.MeasuredValue, 0)
case temperature, _ := <-temperatureChannel: case measuredValue, _ := <-measuredValueChannel:
temperatureCache = append(temperatureCache, temperature) measuredValuesCache = append(measuredValuesCache, measuredValue)
case killSignal := <-interrupt: case killSignal := <-interrupt:
logger.Warn("Daemon was interruped by system signal %v\n", killSignal) logger.Warn("Daemon was interruped by system signal %v\n", killSignal)
@ -96,8 +92,8 @@ func Start(cnf *config.Configuration, cleanCacheInterval time.Duration, compress
logger.Error("Can not turn on red info light: %v", err) logger.Error("Can not turn on red info light: %v", err)
} }
logger.Warn("Save remaining temperature data from the cache") logger.Warn("Save remaining data from the cache: %v", len(measuredValuesCache))
err = logfile.AppendTemperatures(temperatureLogfile, compression, temperatureCache) err = logfile.Append(compression, measuredValuesCache)
if err != nil { if err != nil {
logger.Fatal("%v", err) logger.Fatal("%v", err)
} }

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@ -0,0 +1,20 @@
package collect
import (
"github.com/go-flucky/flucky/pkg/types"
)
func MeasuredValues(measuredValueChannel <-chan types.MeasuredValue) []types.MeasuredValue {
cachedMeasuredValues := make([]types.MeasuredValue, 0)
for {
select {
case measuredValue, more := <-measuredValueChannel:
if more {
cachedMeasuredValues = append(cachedMeasuredValues, measuredValue)
continue
}
default:
return cachedMeasuredValues
}
}
}

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@ -1,20 +0,0 @@
package collect
import (
"github.com/go-flucky/flucky/pkg/types"
)
func Temperatures(temperatureChannel <-chan *types.Temperature) []*types.Temperature {
temperatureList := make([]*types.Temperature, 0)
for {
select {
case temperature, more := <-temperatureChannel:
if more {
temperatureList = append(temperatureList, temperature)
continue
}
default:
return temperatureList
}
}
}

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@ -1,187 +1,175 @@
package logfile package logfile
import ( // type csvLogfile struct {
"encoding/csv" // logfile string
"encoding/json" // }
"fmt"
"os"
"strconv"
"time"
"github.com/go-flucky/flucky/pkg/sensor" // func (cl *csvLogfile) GetLogfile() string {
"github.com/go-flucky/flucky/pkg/types" // return cl.logfile
) // }
type csvLogfile struct { // func (cl *csvLogfile) ReadHumidities() ([]*types.Humidity, error) {
logfile string // if _, err := os.Stat(cl.logfile); os.IsNotExist(err) {
} // return nil, fmt.Errorf("%v: %v", errorLogfileNotFound, cl.logfile)
// }
func (cl *csvLogfile) GetLogfile() string { // humidities := make([]*types.Humidity, 0)
return cl.logfile
}
func (cl *csvLogfile) ReadHumidities() ([]*types.Humidity, error) { // f, err := os.Open(cl.logfile)
if _, err := os.Stat(cl.logfile); os.IsNotExist(err) { // if err != nil {
return nil, fmt.Errorf("%v: %v", errorLogfileNotFound, cl.logfile) // return nil, fmt.Errorf("%v: %v", errorLogfileOpen, cl.logfile)
} // }
// defer f.Close()
humidities := make([]*types.Humidity, 0) // jsonDecoder := json.NewDecoder(f)
// err = jsonDecoder.Decode(&humidities)
// if err != nil {
// return nil, fmt.Errorf("%v: %v", errorLogfileDecode, err)
// }
f, err := os.Open(cl.logfile) // return humidities, nil
if err != nil { // }
return nil, fmt.Errorf("%v: %v", errorLogfileOpen, cl.logfile)
}
defer f.Close()
jsonDecoder := json.NewDecoder(f) // func (cl *csvLogfile) ReadTemperatures() ([]*types.Temperature, error) {
err = jsonDecoder.Decode(&humidities)
if err != nil {
return nil, fmt.Errorf("%v: %v", errorLogfileDecode, err)
}
return humidities, nil // if _, err := os.Stat(cl.logfile); os.IsNotExist(err) {
} // return nil, fmt.Errorf("%v %v: %v", errorLogfileNotFound, cl.logfile, err)
// }
func (cl *csvLogfile) ReadTemperatures() ([]*types.Temperature, error) { // temperatures := make([]*types.Temperature, 0)
if _, err := os.Stat(cl.logfile); os.IsNotExist(err) { // f, err := os.Open(cl.logfile)
return nil, fmt.Errorf("%v %v: %v", errorLogfileNotFound, cl.logfile, err) // if err != nil {
} // return nil, fmt.Errorf("%v %v: %v", errorLogfileOpen, cl.logfile, err)
// }
// defer f.Close()
temperatures := make([]*types.Temperature, 0) // r := csv.NewReader(f)
// records, err := r.ReadAll()
// if err != nil {
// return nil, fmt.Errorf("%v %v: %v", errorLogfileDecode, cl.logfile, err)
// }
f, err := os.Open(cl.logfile) // for _, record := range records {
if err != nil { // times := make([]time.Time, 0)
return nil, fmt.Errorf("%v %v: %v", errorLogfileOpen, cl.logfile, err) // for _, j := range []int{3, 4} {
} // time, err := time.Parse(timeFormat, record[j])
defer f.Close() // if err != nil {
// return nil, fmt.Errorf("%v %v: %v", errorParseTime, record[j], err)
// }
// times = append(times, time)
// }
r := csv.NewReader(f) // temperatureValue, err := strconv.ParseFloat(record[1], 64)
records, err := r.ReadAll() // if err != nil {
if err != nil { // return nil, fmt.Errorf("%v %v: %v", errorParseFloat, record[1], err)
return nil, fmt.Errorf("%v %v: %v", errorLogfileDecode, cl.logfile, err) // }
}
for _, record := range records { // measurementUnit, err := sensor.SelectTemperatureMeasurementUnit(record[2])
times := make([]time.Time, 0) // if err != nil {
for _, j := range []int{3, 4} { // return nil, fmt.Errorf("%v %v: %v", errorParseMeasurementUnit, record[2], err)
time, err := time.Parse(timeFormat, record[j]) // }
if err != nil {
return nil, fmt.Errorf("%v %v: %v", errorParseTime, record[j], err)
}
times = append(times, time)
}
temperatureValue, err := strconv.ParseFloat(record[1], 64) // temperature := &types.Temperature{
if err != nil { // TemperatureID: record[0], // 0
return nil, fmt.Errorf("%v %v: %v", errorParseFloat, record[1], err) // TemperatureValue: temperatureValue, // 1
} // TemperatureUnit: measurementUnit, // 2
// TemperatureFromDate: times[0], // 3
// TemperatureTillDate: times[1], // 4
// SensorID: record[5], // 5
// }
measurementUnit, err := sensor.SelectTemperatureMeasurementUnit(record[2]) // // Creation date
if err != nil { // temperatureCreationDate, err := time.Parse(timeFormat, record[6])
return nil, fmt.Errorf("%v %v: %v", errorParseMeasurementUnit, record[2], err) // if err != nil {
} // return nil, fmt.Errorf("%v %v: %v", errorParseTime, record[5], err)
// }
// temperature.CreationDate = &temperatureCreationDate
temperature := &types.Temperature{ // if record[7] != "" {
TemperatureID: record[0], // 0 // temperatureUpdateDate, err := time.Parse(timeFormat, record[7])
TemperatureValue: temperatureValue, // 1 // if err != nil {
TemperatureUnit: measurementUnit, // 2 // return nil, fmt.Errorf("%v %v: %v", errorParseTime, record[7], err)
TemperatureFromDate: times[0], // 3 // }
TemperatureTillDate: times[1], // 4
SensorID: record[5], // 5
}
// Creation date // temperature.UpdateDate = &temperatureUpdateDate
temperatureCreationDate, err := time.Parse(timeFormat, record[6]) // }
if err != nil {
return nil, fmt.Errorf("%v %v: %v", errorParseTime, record[5], err)
}
temperature.CreationDate = &temperatureCreationDate
if record[7] != "" { // temperatures = append(temperatures, temperature)
temperatureUpdateDate, err := time.Parse(timeFormat, record[7]) // }
if err != nil {
return nil, fmt.Errorf("%v %v: %v", errorParseTime, record[7], err)
}
temperature.UpdateDate = &temperatureUpdateDate // return temperatures, nil
} // }
temperatures = append(temperatures, temperature) // func (cl *csvLogfile) WriteHumidities(humidities []*types.Humidity) error {
}
return temperatures, nil // f, err := os.Create(cl.logfile)
} // if err != nil {
// return fmt.Errorf("%v: %v", errorLogfileCreate, cl.logfile)
// }
// defer f.Close()
func (cl *csvLogfile) WriteHumidities(humidities []*types.Humidity) error { // w := csv.NewWriter(f)
f, err := os.Create(cl.logfile) // for _, humidity := range humidities {
if err != nil { // w.Write([]string{
return fmt.Errorf("%v: %v", errorLogfileCreate, cl.logfile) // fmt.Sprintf("%v", humidity.HumidityID),
} // fmt.Sprintf("%v", humidity.HumidityValue),
defer f.Close() // fmt.Sprintf("%v", humidity.HumidityFromDate.Format(timeFormat)),
// fmt.Sprintf("%v", humidity.HumidityTillDate.Format(timeFormat)),
// fmt.Sprintf("%v", humidity.SensorID),
// fmt.Sprintf("%v", humidity.CreationDate.Format(timeFormat)),
// fmt.Sprintf("%v", humidity.UpdateDate.Format(timeFormat)),
// })
// }
w := csv.NewWriter(f) // w.Flush()
for _, humidity := range humidities { // return nil
w.Write([]string{ // }
fmt.Sprintf("%v", humidity.HumidityID),
fmt.Sprintf("%v", humidity.HumidityValue),
fmt.Sprintf("%v", humidity.HumidityFromDate.Format(timeFormat)),
fmt.Sprintf("%v", humidity.HumidityTillDate.Format(timeFormat)),
fmt.Sprintf("%v", humidity.SensorID),
fmt.Sprintf("%v", humidity.CreationDate.Format(timeFormat)),
fmt.Sprintf("%v", humidity.UpdateDate.Format(timeFormat)),
})
}
w.Flush() // func (cl *csvLogfile) WriteTemperatures(temperatures []*types.Temperature) error {
// f, err := os.Create(cl.logfile)
// if err != nil {
// return fmt.Errorf("%v: %v", errorLogfileCreate, cl.logfile)
// }
// defer f.Close()
return nil // writeCreationDate(temperatures)
}
func (cl *csvLogfile) WriteTemperatures(temperatures []*types.Temperature) error { // w := csv.NewWriter(f)
f, err := os.Create(cl.logfile)
if err != nil {
return fmt.Errorf("%v: %v", errorLogfileCreate, cl.logfile)
}
defer f.Close()
writeCreationDate(temperatures) // for _, temperature := range temperatures {
// record := make([]string, 0)
w := csv.NewWriter(f) // if temperature.UpdateDate != nil {
// record = []string{
// fmt.Sprintf("%v", temperature.TemperatureID),
// fmt.Sprintf("%v", temperature.TemperatureValue),
// fmt.Sprintf("%v", temperature.TemperatureUnit),
// fmt.Sprintf("%v", temperature.TemperatureFromDate.Format(timeFormat)),
// fmt.Sprintf("%v", temperature.TemperatureTillDate.Format(timeFormat)),
// fmt.Sprintf("%v", temperature.SensorID),
// fmt.Sprintf("%v", temperature.CreationDate.Format(timeFormat)),
// fmt.Sprintf("%v", temperature.UpdateDate.Format(timeFormat)),
// }
// } else {
// record = []string{
// fmt.Sprintf("%v", temperature.TemperatureID),
// fmt.Sprintf("%v", temperature.TemperatureValue),
// fmt.Sprintf("%v", temperature.TemperatureUnit),
// fmt.Sprintf("%v", temperature.TemperatureFromDate.Format(timeFormat)),
// fmt.Sprintf("%v", temperature.TemperatureTillDate.Format(timeFormat)),
// fmt.Sprintf("%v", temperature.SensorID),
// fmt.Sprintf("%v", temperature.CreationDate.Format(timeFormat)),
// fmt.Sprintf(""),
// }
// }
for _, temperature := range temperatures { // w.Write(record)
record := make([]string, 0) // }
if temperature.UpdateDate != nil { // w.Flush()
record = []string{
fmt.Sprintf("%v", temperature.TemperatureID),
fmt.Sprintf("%v", temperature.TemperatureValue),
fmt.Sprintf("%v", temperature.TemperatureUnit),
fmt.Sprintf("%v", temperature.TemperatureFromDate.Format(timeFormat)),
fmt.Sprintf("%v", temperature.TemperatureTillDate.Format(timeFormat)),
fmt.Sprintf("%v", temperature.SensorID),
fmt.Sprintf("%v", temperature.CreationDate.Format(timeFormat)),
fmt.Sprintf("%v", temperature.UpdateDate.Format(timeFormat)),
}
} else {
record = []string{
fmt.Sprintf("%v", temperature.TemperatureID),
fmt.Sprintf("%v", temperature.TemperatureValue),
fmt.Sprintf("%v", temperature.TemperatureUnit),
fmt.Sprintf("%v", temperature.TemperatureFromDate.Format(timeFormat)),
fmt.Sprintf("%v", temperature.TemperatureTillDate.Format(timeFormat)),
fmt.Sprintf("%v", temperature.SensorID),
fmt.Sprintf("%v", temperature.CreationDate.Format(timeFormat)),
fmt.Sprintf(""),
}
}
w.Write(record) // return nil
} // }
w.Flush()
return nil
}

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@ -22,3 +22,5 @@ var errorNoValidSensorID = errors.New("No sensor id detected or available")
var errorNoValidTemperatureID = errors.New("No valid temperature id detected or available") var errorNoValidTemperatureID = errors.New("No valid temperature id detected or available")
var errorNoValidTime = errors.New("No time detected or available") var errorNoValidTime = errors.New("No time detected or available")
var errorNoValidTimePeriods = errors.New("No valid time periods") var errorNoValidTimePeriods = errors.New("No valid time periods")
var errorTypeSwitch = errors.New("Can not detect type via type switch")

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@ -5,9 +5,9 @@ import (
) )
type Logfile interface { type Logfile interface {
GetLogfile() string Append(compression bool, measuredValues []types.MeasuredValue) error
ReadHumidities() ([]*types.Humidity, error) Read() ([]types.MeasuredValue, error)
ReadTemperatures() ([]*types.Temperature, error) // ReadCustom(r io.Reader) ([]types.MeasuredValue, error)
WriteHumidities(humidities []*types.Humidity) error Write(measuredValues []types.MeasuredValue) error
WriteTemperatures(temperatures []*types.Temperature) error // WriteCustom(w io.Writer, measuredValues []types.MeasuredValue) error
} }

View File

@ -3,68 +3,162 @@ package logfile
import ( import (
"encoding/json" "encoding/json"
"fmt" "fmt"
"log"
"os" "os"
"sync"
"github.com/go-flucky/flucky/pkg/internal/collect"
"github.com/go-flucky/flucky/pkg/internal/prittyprint"
"github.com/go-flucky/flucky/pkg/config"
"github.com/go-flucky/flucky/pkg/types" "github.com/go-flucky/flucky/pkg/types"
) )
type jsonLogfile struct { type jsonLogfile struct {
logfile string cnf *config.Configuration
} }
func (jl *jsonLogfile) GetLogfile() string { func (jl *jsonLogfile) Append(compression bool, measuredValues []types.MeasuredValue) error {
return jl.logfile
allMeasuredValues, err := jl.Read()
if err != nil {
return err
}
log.Println(len(allMeasuredValues))
allMeasuredValues = append(allMeasuredValues, measuredValues...)
log.Println(len(allMeasuredValues))
err = jl.Write(allMeasuredValues)
if err != nil {
return err
}
return nil
} }
func (jl *jsonLogfile) ReadHumidities() ([]*types.Humidity, error) { func (jl *jsonLogfile) Read() ([]types.MeasuredValue, error) {
if _, err := os.Stat(jl.logfile); os.IsNotExist(err) {
return nil, fmt.Errorf("%v: %v", errorLogfileNotFound, jl.logfile) measuredValues := make([]types.MeasuredValue, 0)
humidityValues, err := jl.readHumidities()
if err != nil {
return nil, err
}
measuredValues = append(measuredValues, humidityValues...)
temperatureValues, err := jl.readTemperatures()
if err != nil {
return nil, err
}
measuredValues = append(measuredValues, temperatureValues...)
return measuredValues, nil
}
func (jl *jsonLogfile) readHumidities() ([]types.MeasuredValue, error) {
if _, err := os.Stat(jl.cnf.Device.HumidityLogfile); os.IsNotExist(err) {
return nil, fmt.Errorf("%v: %v", errorLogfileNotFound, jl.cnf.Device.HumidityLogfile)
} }
humidities := make([]*types.Humidity, 0) humidities := make([]*types.Humidity, 0)
f, err := os.Open(jl.logfile) f, err := os.Open(jl.cnf.Device.HumidityLogfile)
if err != nil { if err != nil {
return nil, fmt.Errorf("%v: %v", errorLogfileOpen, jl.logfile) return nil, fmt.Errorf("%v: %v", errorLogfileOpen, jl.cnf.Device.HumidityLogfile)
} }
defer f.Close() defer f.Close()
jsonDecoder := json.NewDecoder(f) if err = json.NewDecoder(f).Decode(&humidities); err != nil {
err = jsonDecoder.Decode(&humidities)
if err != nil {
return nil, fmt.Errorf("%v: %v", errorLogfileDecode, err) return nil, fmt.Errorf("%v: %v", errorLogfileDecode, err)
} }
return humidities, nil measuredValues := make([]types.MeasuredValue, 0)
for _, humidity := range humidities {
measuredValues = append(measuredValues, humidity)
}
return measuredValues, nil
} }
func (jl *jsonLogfile) ReadTemperatures() ([]*types.Temperature, error) { func (jl *jsonLogfile) readTemperatures() ([]types.MeasuredValue, error) {
if _, err := os.Stat(jl.logfile); os.IsNotExist(err) { if _, err := os.Stat(jl.cnf.Device.TemperatureLogfile); os.IsNotExist(err) {
return nil, fmt.Errorf("%v: %v", errorLogfileNotFound, jl.logfile) return nil, fmt.Errorf("%v: %v", errorLogfileNotFound, jl.cnf.Device.TemperatureLogfile)
} }
temperatures := make([]*types.Temperature, 0) temperatures := make([]*types.Temperature, 0)
f, err := os.Open(jl.logfile) f, err := os.Open(jl.cnf.Device.TemperatureLogfile)
if err != nil { if err != nil {
return nil, fmt.Errorf("%v: %v", errorLogfileOpen, jl.logfile) return nil, fmt.Errorf("%v: %v", errorLogfileOpen, jl.cnf.Device.TemperatureLogfile)
} }
defer f.Close() defer f.Close()
jsonDecoder := json.NewDecoder(f) if err := json.NewDecoder(f).Decode(&temperatures); err != nil {
err = jsonDecoder.Decode(&temperatures)
if err != nil {
return nil, fmt.Errorf("%v: %v", errorLogfileDecode, err) return nil, fmt.Errorf("%v: %v", errorLogfileDecode, err)
} }
return temperatures, nil measuredValues := make([]types.MeasuredValue, 0)
for _, temperature := range temperatures {
measuredValues = append(measuredValues, temperature)
}
return measuredValues, nil
} }
func (jl *jsonLogfile) WriteHumidities(humidities []*types.Humidity) error { func (jl *jsonLogfile) Write(measuredValues []types.MeasuredValue) error {
humidities := make([]*types.Humidity, 0)
temperatures := make([]*types.Temperature, 0)
f, err := os.Create(jl.logfile) for _, measuredValue := range measuredValues {
switch v := measuredValue.(type) {
case *types.Humidity:
humidities = append(humidities, v)
case *types.Temperature:
temperatures = append(temperatures, v)
default:
return fmt.Errorf("%v", errorTypeSwitch)
}
}
errorChannel := make(chan error, 0)
wg := new(sync.WaitGroup)
wg.Add(2)
go jl.writeHumidities(humidities, errorChannel, wg)
go jl.writeTemperatures(temperatures, errorChannel, wg)
wg.Wait()
errors := collect.Errors(errorChannel)
if len(errors) > 0 {
return prittyprint.FormatErrors(errors)
}
return nil
}
func (jl *jsonLogfile) writeHumidities(humidities []*types.Humidity, errorChannel chan<- error, wg *sync.WaitGroup) {
defer wg.Done()
f, err := os.Create(jl.cnf.Device.HumidityLogfile)
if err != nil { if err != nil {
return fmt.Errorf("%v: %v", errorLogfileCreate, jl.logfile) errorChannel <- fmt.Errorf("%v: %v", errorLogfileCreate, jl.cnf.Device.HumidityLogfile)
return
} }
defer f.Close() defer f.Close()
@ -72,25 +166,28 @@ func (jl *jsonLogfile) WriteHumidities(humidities []*types.Humidity) error {
jsonEncoder.SetIndent("", " ") jsonEncoder.SetIndent("", " ")
err = jsonEncoder.Encode(humidities) err = jsonEncoder.Encode(humidities)
if err != nil { if err != nil {
return fmt.Errorf("%v: %v", errorLogfileEncode, err) errorChannel <- fmt.Errorf("%v: %v", errorLogfileEncode, err)
return
} }
return nil
} }
func (jl *jsonLogfile) WriteTemperatures(temperatures []*types.Temperature) error { func (jl *jsonLogfile) writeTemperatures(temperatures []*types.Temperature, errorChannel chan<- error, wg *sync.WaitGroup) {
f, err := os.Create(jl.logfile) defer wg.Done()
f, err := os.Create(jl.cnf.Device.TemperatureLogfile)
if err != nil { if err != nil {
return fmt.Errorf("%v: %v", errorLogfileCreate, jl.logfile) errorChannel <- fmt.Errorf("%v: %v", errorLogfileCreate, jl.cnf.Device.TemperatureLogfile)
return
} }
defer f.Close() defer f.Close()
writeCreationDate(temperatures) //writeCreationDate(temperatures)
jsonEncoder := json.NewEncoder(f) jsonEncoder := json.NewEncoder(f)
jsonEncoder.SetIndent("", " ") jsonEncoder.SetIndent("", " ")
err = jsonEncoder.Encode(temperatures) err = jsonEncoder.Encode(temperatures)
if err != nil { if err != nil {
return fmt.Errorf("%v: %v", errorLogfileEncode, err) errorChannel <- fmt.Errorf("%v: %v", errorLogfileEncode, err)
return
} }
return nil
} }

View File

@ -1,45 +1,39 @@
package logfile package logfile
import ( import (
"os" "github.com/go-flucky/flucky/pkg/config"
"path/filepath"
"regexp"
"sort"
"time"
"github.com/go-flucky/flucky/pkg/types"
) )
var validUUID = regexp.MustCompile("^[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-4[a-fA-F0-9]{3}-[8|9|aA|bB][a-fA-F0-9]{3}-[a-fA-F0-9]{12}$") // var validUUID = regexp.MustCompile("^[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-4[a-fA-F0-9]{3}-[8|9|aA|bB][a-fA-F0-9]{3}-[a-fA-F0-9]{12}$")
var timeFormat = "2006-01-02 15:04:05.999999999 -0700" // var timeFormat = "2006-01-02 15:04:05.999999999 -0700"
// AppendTemperatures with temperature values from a logfile. As additional // // AppendTemperatures with temperature values from a logfile. As additional
// option it's possible to compress the temperature data. // // option it's possible to compress the temperature data.
func AppendTemperatures(logfile Logfile, compression bool, temperatures []*types.Temperature) error { // func AppendTemperatures(logfile Logfile, compression bool, temperatures []*types.Temperature) error {
allTemperatures := make([]*types.Temperature, 0) // allTemperatures := make([]*types.Temperature, 0)
if _, err := os.Stat(logfile.GetLogfile()); err == nil { // if _, err := os.Stat(logfile.GetLogfile()); err == nil {
temperaturesFromLogfile, err := logfile.ReadTemperatures() // temperaturesFromLogfile, err := logfile.ReadTemperatures()
if err != nil { // if err != nil {
return err // return err
} // }
allTemperatures = append(allTemperatures, temperaturesFromLogfile...) // allTemperatures = append(allTemperatures, temperaturesFromLogfile...)
} // }
allTemperatures = append(allTemperatures, temperatures...) // allTemperatures = append(allTemperatures, temperatures...)
if compression { // if compression {
allTemperatures = CompressTemperature(allTemperatures) // allTemperatures = CompressTemperature(allTemperatures)
} // }
err := logfile.WriteTemperatures(allTemperatures) // err := logfile.WriteTemperatures(allTemperatures)
if err != nil { // if err != nil {
return err // return err
} // }
return nil // return nil
} // }
// CompressTemperature compresses the temperatures from an array. It is checked // CompressTemperature compresses the temperatures from an array. It is checked
// whether the measured temperature of a value corresponds to that of the // whether the measured temperature of a value corresponds to that of the
@ -47,116 +41,118 @@ func AppendTemperatures(logfile Logfile, compression bool, temperatures []*types
// validity date of the predecessor value is set to that of the current value. // validity date of the predecessor value is set to that of the current value.
// No information is lost as a result. The validity period of the measured value // No information is lost as a result. The validity period of the measured value
// is thereby exclusively increased. // is thereby exclusively increased.
func CompressTemperature(temperatures []*types.Temperature) []*types.Temperature { // func Compression(measuredValues []types) []*types.Temperature {
compressedTemperatures := make([]*types.Temperature, 0) // compressedTemperatures := make([]*types.Temperature, 0)
lastTemperatureBySensors := make(map[string]*types.Temperature, 0) // lastTemperatureBySensors := make(map[string]*types.Temperature, 0)
// Sort all measured temperatures beforehand by the starting validity date to // // Sort all measured temperatures beforehand by the starting validity date to
// avoid errors when compressing the temperatures. // // avoid errors when compressing the temperatures.
SortTemperatures(temperatures) // SortTemperatures(temperatures)
for _, temperature := range temperatures { // for _, temperature := range temperatures {
if lastTemperatureBySensor, ok := lastTemperatureBySensors[temperature.SensorID]; ok { // if lastTemperatureBySensor, ok := lastTemperatureBySensors[temperature.SensorID]; ok {
if lastTemperatureBySensor.TemperatureValue == temperature.TemperatureValue { // if lastTemperatureBySensor.TemperatureValue == temperature.TemperatureValue {
lastTemperatureBySensors[temperature.SensorID].TemperatureTillDate = temperature.TemperatureTillDate // lastTemperatureBySensors[temperature.SensorID].TemperatureTillDate = temperature.TemperatureTillDate
now := time.Now() // now := time.Now()
lastTemperatureBySensors[temperature.SensorID].UpdateDate = &now // lastTemperatureBySensors[temperature.SensorID].UpdateDate = &now
} else { // } else {
compressedTemperatures = append(compressedTemperatures, lastTemperatureBySensors[temperature.SensorID]) // compressedTemperatures = append(compressedTemperatures, lastTemperatureBySensors[temperature.SensorID])
lastTemperatureBySensors[temperature.SensorID] = temperature // lastTemperatureBySensors[temperature.SensorID] = temperature
} // }
} else { // } else {
lastTemperatureBySensors[temperature.SensorID] = temperature // lastTemperatureBySensors[temperature.SensorID] = temperature
} // }
} // }
// Copy all remaining entries from the map into the array // // Copy all remaining entries from the map into the array
for _, lastTemperatureBySensor := range lastTemperatureBySensors { // for _, lastTemperatureBySensor := range lastTemperatureBySensors {
compressedTemperatures = append(compressedTemperatures, lastTemperatureBySensor) // compressedTemperatures = append(compressedTemperatures, lastTemperatureBySensor)
} // }
return compressedTemperatures // return compressedTemperatures
} // }
// New returns a log file with basic functions for reading and writing data. The // New returns a log file with basic functions for reading and writing data. The
// file extension of the logfile is taken into account to format the logfile // file extension of the logfile is taken into account to format the logfile
// into the correct format. // into the correct format.
func New(logfile string) Logfile { func New(cnf *config.Configuration) Logfile {
ext := filepath.Ext(logfile) // switch ext {
// case ".csv":
// return &csvLogfile{
// logfile: logfile,
// }
// case ".json":
// return &jsonLogfile{
// cnf: cnf,
// }
// case ".xml":
// return &xmlLogfile{
// logfile: logfile,
// }
// default:
// return &jsonLogfile{
// logfile: logfile,
// }
// }
switch ext { return &jsonLogfile{
case ".csv": cnf: cnf,
return &csvLogfile{
logfile: logfile,
}
case ".json":
return &jsonLogfile{
logfile: logfile,
}
case ".xml":
return &xmlLogfile{
logfile: logfile,
}
default:
return &jsonLogfile{
logfile: logfile,
}
} }
} }
// SplittTemperatures into multiple arrays. The Size can be defined by // // SplittTemperatures into multiple arrays. The Size can be defined by
// temperatureSplitBy parameter. // // temperatureSplitBy parameter.
func SplittTemperatures(temperatures []*types.Temperature, templeratureSplitBy int) [][]*types.Temperature { // func SplittTemperatures(temperatures []*types.Temperature, templeratureSplitBy int) [][]*types.Temperature {
splittedTemperatures := make([][]*types.Temperature, 0) // splittedTemperatures := make([][]*types.Temperature, 0)
newTemperatures := make([]*types.Temperature, 0) // newTemperatures := make([]*types.Temperature, 0)
for _, temperature := range temperatures { // for _, temperature := range temperatures {
if len(newTemperatures) == templeratureSplitBy { // if len(newTemperatures) == templeratureSplitBy {
splittedTemperatures = append(splittedTemperatures, newTemperatures) // splittedTemperatures = append(splittedTemperatures, newTemperatures)
newTemperatures = make([]*types.Temperature, 0) // newTemperatures = make([]*types.Temperature, 0)
} // }
newTemperatures = append(newTemperatures, temperature) // newTemperatures = append(newTemperatures, temperature)
} // }
splittedTemperatures = append(splittedTemperatures, newTemperatures) // splittedTemperatures = append(splittedTemperatures, newTemperatures)
return splittedTemperatures // return splittedTemperatures
} // }
// SortTemperatures by TemperatureFromDate // // SortTemperatures by TemperatureFromDate
func SortTemperatures(temperatures []*types.Temperature) { // func SortTemperatures(temperatures []*types.Temperature) {
sort.SliceStable(temperatures, func(i int, j int) bool { // sort.SliceStable(temperatures, func(i int, j int) bool {
return temperatures[i].TemperatureFromDate.Before(temperatures[j].TemperatureFromDate) // return temperatures[i].TemperatureFromDate.Before(temperatures[j].TemperatureFromDate)
}) // })
} // }
// ValidateTemperatures Checks if the temperature data is valid. // // ValidateTemperatures Checks if the temperature data is valid.
// - Check the temperature id (uuid) // // - Check the temperature id (uuid)
// - Checks whether the time specifications are historically in a sequence. // // - Checks whether the time specifications are historically in a sequence.
// - Check the sensor id (uuid) // // - Check the sensor id (uuid)
func ValidateTemperatures(temperatures []*types.Temperature) error { // func ValidateTemperatures(temperatures []*types.Temperature) error {
for _, temperature := range temperatures { // for _, temperature := range temperatures {
if !validUUID.MatchString(temperature.TemperatureID) { // if !validUUID.MatchString(temperature.TemperatureID) {
return errorNoValidTemperatureID // return errorNoValidTemperatureID
} else if temperature.TemperatureValue == 0 { // } else if temperature.TemperatureValue == 0 {
return errorNoValidMesuredValue // return errorNoValidMesuredValue
} else if temperature.TemperatureFromDate.After(temperature.TemperatureTillDate) { // } else if temperature.TemperatureFromDate.After(temperature.TemperatureTillDate) {
return errorNoValidTimePeriods // return errorNoValidTimePeriods
} else if !validUUID.MatchString(temperature.SensorID) { // } else if !validUUID.MatchString(temperature.SensorID) {
return errorNoValidSensorID // return errorNoValidSensorID
} else if temperature.CreationDate.After(*temperature.UpdateDate) && temperature.UpdateDate != nil { // } else if temperature.CreationDate.After(*temperature.UpdateDate) && temperature.UpdateDate != nil {
return errorNoValidTimePeriods // return errorNoValidTimePeriods
} // }
} // }
return nil // return nil
} // }
func writeCreationDate(temperatures []*types.Temperature) { // func writeCreationDate(temperatures []*types.Temperature) {
now := time.Now() // now := time.Now()
for _, temperature := range temperatures { // for _, temperature := range temperatures {
if temperature.CreationDate == nil { // if temperature.CreationDate == nil {
temperature.CreationDate = &now // temperature.CreationDate = &now
} // }
} // }
} // }

View File

@ -1,121 +1,112 @@
package logfile package logfile
import ( // type xmlLogfile struct {
"encoding/xml" // logfile string
"fmt" // }
"io/ioutil"
"os"
"github.com/go-flucky/flucky/pkg/types" // func (xl *xmlLogfile) GetLogfile() string {
) // return xl.logfile
// }
type xmlLogfile struct { // func (xl *xmlLogfile) ReadHumidities() ([]*types.Humidity, error) {
logfile string // if _, err := os.Stat(xl.logfile); os.IsNotExist(err) {
} // return nil, fmt.Errorf("%v: %v", errorLogfileNotFound, xl.logfile)
// }
func (xl *xmlLogfile) GetLogfile() string { // humidities := make([]*types.Humidity, 0)
return xl.logfile
}
func (xl *xmlLogfile) ReadHumidities() ([]*types.Humidity, error) { // f, err := os.Open(xl.logfile)
if _, err := os.Stat(xl.logfile); os.IsNotExist(err) { // if err != nil {
return nil, fmt.Errorf("%v: %v", errorLogfileNotFound, xl.logfile) // return nil, fmt.Errorf("%v: %v", errorLogfileOpen, xl.logfile)
} // }
// defer f.Close()
humidities := make([]*types.Humidity, 0) // xmlDecoder := xml.NewDecoder(f)
// err = xmlDecoder.Decode(&humidities)
// if err != nil {
// return nil, fmt.Errorf("%v: %v", errorLogfileDecode, err)
// }
f, err := os.Open(xl.logfile) // return humidities, nil
if err != nil { // }
return nil, fmt.Errorf("%v: %v", errorLogfileOpen, xl.logfile)
}
defer f.Close()
xmlDecoder := xml.NewDecoder(f) // func (xl *xmlLogfile) ReadTemperatures() ([]*types.Temperature, error) {
err = xmlDecoder.Decode(&humidities) // if _, err := os.Stat(xl.logfile); os.IsNotExist(err) {
if err != nil { // return nil, fmt.Errorf("%v: %v", errorLogfileNotFound, xl.logfile)
return nil, fmt.Errorf("%v: %v", errorLogfileDecode, err) // }
}
return humidities, nil // f, err := os.Open(xl.logfile)
} // if err != nil {
// return nil, fmt.Errorf("%v: %v", errorLogfileOpen, xl.logfile)
// }
// defer f.Close()
func (xl *xmlLogfile) ReadTemperatures() ([]*types.Temperature, error) { // bytes, err := ioutil.ReadAll(f)
if _, err := os.Stat(xl.logfile); os.IsNotExist(err) { // if err != nil {
return nil, fmt.Errorf("%v: %v", errorLogfileNotFound, xl.logfile) // return nil, fmt.Errorf("%v: %v", errorLogfileRead, err)
} // }
f, err := os.Open(xl.logfile) // tmpTemperatures := new(Temperatures)
if err != nil {
return nil, fmt.Errorf("%v: %v", errorLogfileOpen, xl.logfile)
}
defer f.Close()
bytes, err := ioutil.ReadAll(f) // err = xml.Unmarshal(bytes, tmpTemperatures)
if err != nil { // if err != nil {
return nil, fmt.Errorf("%v: %v", errorLogfileRead, err) // return nil, fmt.Errorf("%v: %v", errorLogfileUnmarshal, err)
} // }
tmpTemperatures := new(Temperatures) // temperatures := make([]*types.Temperature, 0)
err = xml.Unmarshal(bytes, tmpTemperatures) // for _, tmpTemperature := range tmpTemperatures.Temperatures {
if err != nil { // temperatures = append(temperatures, tmpTemperature.Temperature)
return nil, fmt.Errorf("%v: %v", errorLogfileUnmarshal, err) // }
}
temperatures := make([]*types.Temperature, 0) // return temperatures, nil
// }
for _, tmpTemperature := range tmpTemperatures.Temperatures { // func (xl *xmlLogfile) WriteHumidities(humidities []*types.Humidity) error {
temperatures = append(temperatures, tmpTemperature.Temperature)
}
return temperatures, nil // f, err := os.Create(xl.logfile)
} // if err != nil {
// return fmt.Errorf("%v: %v", errorLogfileCreate, xl.logfile)
// }
// defer f.Close()
func (xl *xmlLogfile) WriteHumidities(humidities []*types.Humidity) error { // xmlEncoder := xml.NewEncoder(f)
// xmlEncoder.Indent("", " ")
// err = xmlEncoder.Encode(humidities)
// if err != nil {
// return fmt.Errorf("%v: %v", errorLogfileEncode, err)
// }
// return nil
// }
f, err := os.Create(xl.logfile) // func (xl *xmlLogfile) WriteTemperatures(temperatures []*types.Temperature) error {
if err != nil { // f, err := os.Create(xl.logfile)
return fmt.Errorf("%v: %v", errorLogfileCreate, xl.logfile) // if err != nil {
} // return fmt.Errorf("%v: %v", errorLogfileCreate, xl.logfile)
defer f.Close() // }
// defer f.Close()
xmlEncoder := xml.NewEncoder(f) // writeCreationDate(temperatures)
xmlEncoder.Indent("", " ")
err = xmlEncoder.Encode(humidities)
if err != nil {
return fmt.Errorf("%v: %v", errorLogfileEncode, err)
}
return nil
}
func (xl *xmlLogfile) WriteTemperatures(temperatures []*types.Temperature) error { // tmpTemperatures := new(Temperatures)
f, err := os.Create(xl.logfile)
if err != nil {
return fmt.Errorf("%v: %v", errorLogfileCreate, xl.logfile)
}
defer f.Close()
writeCreationDate(temperatures) // for _, temperature := range temperatures {
// tmpTemperature := &Temperature{
// Temperature: temperature,
// }
tmpTemperatures := new(Temperatures) // tmpTemperatures.Temperatures = append(tmpTemperatures.Temperatures, tmpTemperature)
// }
for _, temperature := range temperatures { // bytes, err := xml.MarshalIndent(tmpTemperatures, "", " ")
tmpTemperature := &Temperature{ // if err != nil {
Temperature: temperature, // return fmt.Errorf("%v: %v", errorLogfileMarshal, err)
} // }
tmpTemperatures.Temperatures = append(tmpTemperatures.Temperatures, tmpTemperature) // _, err = f.Write(bytes)
} // if err != nil {
// return fmt.Errorf("%v: %v", errorLogfileWrite, err)
// }
bytes, err := xml.MarshalIndent(tmpTemperatures, "", " ") // return nil
if err != nil { // }
return fmt.Errorf("%v: %v", errorLogfileMarshal, err)
}
_, err = f.Write(bytes)
if err != nil {
return fmt.Errorf("%v: %v", errorLogfileWrite, err)
}
return nil
}

View File

@ -3,7 +3,6 @@ package sensor
import ( import (
"context" "context"
"fmt" "fmt"
"math"
"sync" "sync"
"time" "time"
@ -22,8 +21,9 @@ func (s *DHT11) GetSensorModel() types.SensorModel {
return s.Sensor.SensorModel return s.Sensor.SensorModel
} }
// ReadHumidity measure the humidity // Read measured values
func (s *DHT11) ReadHumidity(round float64) (*types.Humidity, error) { func (s *DHT11) Read() ([]types.MeasuredValue, error) {
err := dht.HostInit() err := dht.HostInit()
if err != nil { if err != nil {
return nil, fmt.Errorf("HostInit error: %v", err) return nil, fmt.Errorf("HostInit error: %v", err)
@ -39,117 +39,59 @@ func (s *DHT11) ReadHumidity(round float64) (*types.Humidity, error) {
return nil, fmt.Errorf("NewDHT error: %v", err) return nil, fmt.Errorf("NewDHT error: %v", err)
} }
humidityValue, _, err := dht.Read() humidityValue, temperatureValue, err := dht.Read()
if err != nil { if err != nil {
return nil, fmt.Errorf("Read error: %v", err) return nil, fmt.Errorf("Read error: %v", err)
} }
if round != 0 { measuredValues := []types.MeasuredValue{
humidityValue = math.Round(humidityValue/round) * round &types.Humidity{
HumidityID: uuid.NewV4().String(),
HumidityValue: humidityValue,
HumidityFromDate: time.Now(),
HumidityTillDate: time.Now(),
SensorID: s.SensorID,
},
&types.Temperature{
TemperatureID: uuid.NewV4().String(),
TemperatureValue: temperatureValue,
TemperatureFromDate: time.Now(),
TemperatureTillDate: time.Now(),
SensorID: s.SensorID,
},
} }
humidity := &types.Humidity{ return measuredValues, nil
HumidityID: uuid.NewV4().String(),
HumidityValue: humidityValue,
HumidityFromDate: time.Now(),
HumidityTillDate: time.Now(),
SensorID: s.SensorID,
}
return humidity, nil
} }
// ReadHumidityWriteIntoChannel and write values into a channel // ReadChannel reads the measured values from the sensor and writes them to a
func (s *DHT11) ReadHumidityWriteIntoChannel(round float64, humidityChannel chan<- *types.Humidity, errorChannel chan<- error, wg *sync.WaitGroup) { // channel.
func (s *DHT11) ReadChannel(measuredValueChannel chan<- types.MeasuredValue, errorChannel chan<- error, wg *sync.WaitGroup) {
if wg != nil { if wg != nil {
defer wg.Done() defer wg.Done()
} }
humidity, err := s.ReadHumidity(round) measuredValues, err := s.Read()
if err != nil { if err != nil {
errorChannel <- err errorChannel <- err
return return
} }
humidityChannel <- humidity
for _, measuredValue := range measuredValues {
measuredValueChannel <- measuredValue
}
} }
// ReadHumidityContinously into a channel until context closed // ReadContinously reads the measured values continously from the sensor and
func (s *DHT11) ReadHumidityContinously(ctx context.Context, round float64, humidityChannel chan<- *types.Humidity, errorChannel chan<- error) { // writes them to a channel.
func (s *DHT11) ReadContinously(ctx context.Context, measuredValueChannel chan<- types.MeasuredValue, errorChannel chan<- error) {
for { for {
select { select {
case <-ctx.Done(): case <-ctx.Done():
errorChannel <- fmt.Errorf("%v: Context closed: %v", s.SensorName, ctx.Err()) errorChannel <- fmt.Errorf("%v: Context closed: %v", s.SensorName, ctx.Err())
return return
default: default:
s.ReadHumidityWriteIntoChannel(round, humidityChannel, errorChannel, nil) s.ReadChannel(measuredValueChannel, errorChannel, nil)
}
}
}
// ReadTemperature measure the temperature
func (s *DHT11) ReadTemperature(degree types.TemperatureUnit, round float64) (*types.Temperature, error) {
err := dht.HostInit()
if err != nil {
return nil, fmt.Errorf("HostInit error: %v", err)
}
gpio, err := types.GPIOToString(*s.GPIONumber)
if err != nil {
return nil, err
}
dht, err := dht.NewDHT(gpio, dht.Celsius, "")
if err != nil {
return nil, fmt.Errorf("NewDHT error: %v", err)
}
_, temperatureValue, err := dht.Read()
if err != nil {
return nil, fmt.Errorf("Read error: %v", err)
}
// Convert temperature degree
temperatureValue = convertTemperatureMeasurementUnit(temperatureValue, types.TemperatureUnitCelsius, degree)
if round != 0 {
temperatureValue = math.Round(temperatureValue/round) * round
}
temperature := &types.Temperature{
TemperatureID: uuid.NewV4().String(),
TemperatureValue: temperatureValue,
TemperatureUnit: degree,
TemperatureFromDate: time.Now(),
TemperatureTillDate: time.Now(),
SensorID: s.SensorID,
}
return temperature, nil
}
// ReadTemperatureWriteIntoChannel and write values into a channel
func (s *DHT11) ReadTemperatureWriteIntoChannel(degree types.TemperatureUnit, round float64, temperatureChannel chan<- *types.Temperature, errorChannel chan<- error, wg *sync.WaitGroup) {
if wg != nil {
defer wg.Done()
}
temperature, err := s.ReadTemperature(degree, round)
if err != nil {
errorChannel <- err
return
}
temperatureChannel <- temperature
}
// ReadTemperatureContinously into a channel until context closed
func (s *DHT11) ReadTemperatureContinously(ctx context.Context, degree types.TemperatureUnit, round float64, temperatureChannel chan<- *types.Temperature, errorChannel chan<- error) {
for {
select {
case <-ctx.Done():
errorChannel <- fmt.Errorf("%v: Context closed: %v", s.SensorName, ctx.Err())
return
default:
s.ReadTemperatureWriteIntoChannel(degree, round, temperatureChannel, errorChannel, nil)
} }
} }
} }

View File

@ -3,7 +3,6 @@ package sensor
import ( import (
"context" "context"
"fmt" "fmt"
"math"
"sync" "sync"
"time" "time"
@ -22,8 +21,9 @@ func (s *DHT22) GetSensorModel() types.SensorModel {
return s.Sensor.SensorModel return s.Sensor.SensorModel
} }
// ReadHumidity measure the humidity // Read measured values
func (s *DHT22) ReadHumidity(round float64) (*types.Humidity, error) { func (s *DHT22) Read() ([]types.MeasuredValue, error) {
err := dht.HostInit() err := dht.HostInit()
if err != nil { if err != nil {
return nil, fmt.Errorf("HostInit error: %v", err) return nil, fmt.Errorf("HostInit error: %v", err)
@ -39,118 +39,59 @@ func (s *DHT22) ReadHumidity(round float64) (*types.Humidity, error) {
return nil, fmt.Errorf("NewDHT error: %v", err) return nil, fmt.Errorf("NewDHT error: %v", err)
} }
humidityValue, _, err := dht.Read() humidityValue, temperatureValue, err := dht.Read()
if err != nil { if err != nil {
return nil, fmt.Errorf("Read error: %v", err) return nil, fmt.Errorf("Read error: %v", err)
} }
if round != 0 { measuredValues := []types.MeasuredValue{
humidityValue = math.Round(humidityValue/round) * round &types.Humidity{
HumidityID: uuid.NewV4().String(),
HumidityValue: humidityValue,
HumidityFromDate: time.Now(),
HumidityTillDate: time.Now(),
SensorID: s.SensorID,
},
&types.Temperature{
TemperatureID: uuid.NewV4().String(),
TemperatureValue: temperatureValue,
TemperatureFromDate: time.Now(),
TemperatureTillDate: time.Now(),
SensorID: s.SensorID,
},
} }
humidity := &types.Humidity{ return measuredValues, nil
HumidityID: uuid.NewV4().String(),
HumidityValue: humidityValue,
HumidityFromDate: time.Now(),
HumidityTillDate: time.Now(),
SensorID: s.SensorID,
}
return humidity, nil
} }
// ReadHumidityWriteIntoChannel and write values into a channel // ReadChannel reads the measured values from the sensor and writes them to a
func (s *DHT22) ReadHumidityWriteIntoChannel(round float64, humidityChannel chan<- *types.Humidity, errorChannel chan<- error, wg *sync.WaitGroup) { // channel.
func (s *DHT22) ReadChannel(measuredValueChannel chan<- types.MeasuredValue, errorChannel chan<- error, wg *sync.WaitGroup) {
if wg != nil { if wg != nil {
defer wg.Done() defer wg.Done()
} }
humidity, err := s.ReadHumidity(round) measuredValues, err := s.Read()
if err != nil { if err != nil {
errorChannel <- err errorChannel <- err
return return
} }
humidityChannel <- humidity
for _, measuredValue := range measuredValues {
measuredValueChannel <- measuredValue
}
} }
// ReadHumidityContinously into a channel until context closed // ReadContinously reads the measured values continously from the sensor and
func (s *DHT22) ReadHumidityContinously(ctx context.Context, round float64, humidityChannel chan<- *types.Humidity, errorChannel chan<- error) { // writes them to a channel.
func (s *DHT22) ReadContinously(ctx context.Context, measuredValueChannel chan<- types.MeasuredValue, errorChannel chan<- error) {
for { for {
select { select {
case <-ctx.Done(): case <-ctx.Done():
errorChannel <- fmt.Errorf("%v: Context closed: %v", s.SensorName, ctx.Err()) errorChannel <- fmt.Errorf("%v: Context closed: %v", s.SensorName, ctx.Err())
return return
default: default:
s.ReadHumidityWriteIntoChannel(round, humidityChannel, errorChannel, nil) s.ReadChannel(measuredValueChannel, errorChannel, nil)
}
}
}
// ReadTemperature measure the temperature
func (s *DHT22) ReadTemperature(degree types.TemperatureUnit, round float64) (*types.Temperature, error) {
err := dht.HostInit()
if err != nil {
return nil, fmt.Errorf("HostInit error: %v", err)
}
gpio, err := types.GPIOToString(*s.GPIONumber)
if err != nil {
return nil, err
}
dht, err := dht.NewDHT(gpio, dht.Celsius, "")
if err != nil {
return nil, fmt.Errorf("NewDHT error: %v", err)
}
_, temperatureValue, err := dht.Read()
if err != nil {
return nil, fmt.Errorf("Read error: %v", err)
}
// Convert temperature degree
temperatureValue = convertTemperatureMeasurementUnit(temperatureValue, types.TemperatureUnitCelsius, degree)
// round
if round != 0 {
temperatureValue = math.Round(temperatureValue/round) * round
}
temperature := &types.Temperature{
TemperatureID: uuid.NewV4().String(),
TemperatureValue: temperatureValue,
TemperatureUnit: degree,
TemperatureFromDate: time.Now(),
TemperatureTillDate: time.Now(),
SensorID: s.SensorID,
}
return temperature, nil
}
// ReadTemperatureWriteIntoChannel and write values into a channel
func (s *DHT22) ReadTemperatureWriteIntoChannel(degree types.TemperatureUnit, round float64, temperatureChannel chan<- *types.Temperature, errorChannel chan<- error, wg *sync.WaitGroup) {
if wg != nil {
defer wg.Done()
}
temperature, err := s.ReadTemperature(degree, round)
if err != nil {
errorChannel <- err
return
}
temperatureChannel <- temperature
}
// ReadTemperatureContinously into a channel until context closed
func (s *DHT22) ReadTemperatureContinously(ctx context.Context, degree types.TemperatureUnit, round float64, temperatureChannel chan<- *types.Temperature, errorChannel chan<- error) {
for {
select {
case <-ctx.Done():
errorChannel <- fmt.Errorf("%v: Context closed: %v", s.SensorName, ctx.Err())
return
default:
s.ReadTemperatureWriteIntoChannel(degree, round, temperatureChannel, errorChannel, nil)
} }
} }
} }

View File

@ -4,7 +4,6 @@ import (
"context" "context"
"fmt" "fmt"
"io/ioutil" "io/ioutil"
"math"
"path/filepath" "path/filepath"
"strconv" "strconv"
"strings" "strings"
@ -25,13 +24,8 @@ func (s *DS18B20) GetSensorModel() types.SensorModel {
return s.Sensor.SensorModel return s.Sensor.SensorModel
} }
// GetSensor return the sensor struct // Read measured values
func (s *DS18B20) GetSensor() *types.Sensor { func (s *DS18B20) Read() ([]types.MeasuredValue, error) {
return s.Sensor
}
// ReadTemperature measure the temperature
func (s *DS18B20) ReadTemperature(degree types.TemperatureUnit, round float64) (*types.Temperature, error) {
data, err := ioutil.ReadFile(filepath.Join("/sys/bus/w1/devices", *s.WireID, "/w1_slave")) data, err := ioutil.ReadFile(filepath.Join("/sys/bus/w1/devices", *s.WireID, "/w1_slave"))
if err != nil { if err != nil {
@ -52,50 +46,49 @@ func (s *DS18B20) ReadTemperature(degree types.TemperatureUnit, round float64) (
temperatureValue := c / 1000 temperatureValue := c / 1000
// Convert temperature degree measuredValues := []types.MeasuredValue{
temperatureValue = convertTemperatureMeasurementUnit(temperatureValue, types.TemperatureUnitCelsius, degree) &types.Temperature{
TemperatureID: uuid.NewV4().String(),
// round TemperatureValue: temperatureValue,
if round != 0 { TemperatureFromDate: time.Now(),
temperatureValue = math.Round(temperatureValue/round) * round TemperatureTillDate: time.Now(),
SensorID: s.SensorID,
},
} }
temperature := &types.Temperature{ return measuredValues, nil
TemperatureID: uuid.NewV4().String(),
TemperatureValue: temperatureValue,
TemperatureUnit: degree,
TemperatureFromDate: time.Now(),
TemperatureTillDate: time.Now(),
SensorID: s.SensorID,
}
return temperature, nil
} }
// ReadTemperatureWriteIntoChannel and write values into a channel // ReadChannel reads the measured values from the sensor and writes them to a
func (s *DS18B20) ReadTemperatureWriteIntoChannel(degree types.TemperatureUnit, round float64, temperatureChannel chan<- *types.Temperature, errorChannel chan<- error, wg *sync.WaitGroup) { // channel.
func (s *DS18B20) ReadChannel(measuredValueChannel chan<- types.MeasuredValue, errorChannel chan<- error, wg *sync.WaitGroup) {
if wg != nil { if wg != nil {
defer wg.Done() defer wg.Done()
} }
temperature, err := s.ReadTemperature(degree, round) measuredValues, err := s.Read()
if err != nil { if err != nil {
errorChannel <- err errorChannel <- err
return return
} }
temperatureChannel <- temperature
for _, measuredValue := range measuredValues {
measuredValueChannel <- measuredValue
}
} }
// ReadTemperatureContinously into a channel until context closed // ReadContinously reads the measured values continously from the sensor and
func (s *DS18B20) ReadTemperatureContinously(ctx context.Context, degree types.TemperatureUnit, round float64, temperatureChannel chan<- *types.Temperature, errorChannel chan<- error) { // writes them to a channel.
func (s *DS18B20) ReadContinously(ctx context.Context, measuredValueChannel chan<- types.MeasuredValue, errorChannel chan<- error) {
for { for {
select { select {
case <-ctx.Done(): case <-ctx.Done():
errorChannel <- fmt.Errorf("%v: Context closed: %v", s.SensorName, ctx.Err()) errorChannel <- fmt.Errorf("%v: Context closed: %v", s.SensorName, ctx.Err())
return return
default: default:
s.ReadTemperatureWriteIntoChannel(degree, round, temperatureChannel, errorChannel, nil) s.ReadChannel(measuredValueChannel, errorChannel, nil)
} }
} }
} }

View File

@ -7,18 +7,9 @@ import (
"github.com/go-flucky/flucky/pkg/types" "github.com/go-flucky/flucky/pkg/types"
) )
// HumiditySensor is a interface to describe required functions to measure humidities type Sensor interface {
type HumiditySensor interface {
GetSensorModel() types.SensorModel GetSensorModel() types.SensorModel
ReadHumidity(round float64) (*types.Humidity, error) Read() ([]types.MeasuredValue, error)
ReadHumidityWriteIntoChannel(round float64, humidityChannel chan<- *types.Humidity, errorChannel chan<- error, wg *sync.WaitGroup) ReadChannel(measuredValueChannel chan<- types.MeasuredValue, errorChannel chan<- error, wg *sync.WaitGroup)
ReadHumidityContinously(ctx context.Context, round float64, humidityChannel chan<- *types.Humidity, errorChannel chan<- error) ReadContinously(ctx context.Context, measuredValueChannel chan<- types.MeasuredValue, errorChannel chan<- error)
}
// TemperatureSensor is a interface to describe required functions to measure temperatures
type TemperatureSensor interface {
GetSensorModel() types.SensorModel
ReadTemperature(degree types.TemperatureUnit, round float64) (*types.Temperature, error)
ReadTemperatureWriteIntoChannel(degree types.TemperatureUnit, round float64, temperatureChannel chan<- *types.Temperature, errorChannel chan<- error, wg *sync.WaitGroup)
ReadTemperatureContinously(ctx context.Context, degree types.TemperatureUnit, round float64, temperatureChannel chan<- *types.Temperature, errorChannel chan<- error)
} }

View File

@ -10,16 +10,16 @@ import (
"github.com/go-flucky/flucky/pkg/types" "github.com/go-flucky/flucky/pkg/types"
) )
// ReadHumidities returns a list of measured humidities by humidity sensors // Read measured values from sensors
func ReadHumidities(humiditySensors []HumiditySensor, round float64) ([]*types.Humidity, error) { func Read(ctx context.Context, sensors []Sensor) ([]types.MeasuredValue, error) {
humidityChannel := make(chan *types.Humidity, len(humiditySensors)) measuredValueChannel := make(chan types.MeasuredValue, len(sensors))
errorChannel := make(chan error, len(humiditySensors)) errorChannel := make(chan error, len(sensors))
wg := new(sync.WaitGroup) wg := new(sync.WaitGroup)
wg.Add(len(humiditySensors)) wg.Add(len(sensors))
for _, humiditySensor := range humiditySensors { for _, sensor := range sensors {
go humiditySensor.ReadHumidityWriteIntoChannel(round, humidityChannel, errorChannel, wg) go sensor.ReadContinously(ctx, measuredValueChannel, errorChannel)
} }
wg.Wait() wg.Wait()
@ -29,132 +29,29 @@ func ReadHumidities(humiditySensors []HumiditySensor, round float64) ([]*types.H
return nil, prittyprint.FormatErrors(errors) return nil, prittyprint.FormatErrors(errors)
} }
humidities := collect.Humidities(humidityChannel) measuredValues := collect.MeasuredValues(measuredValueChannel)
return humidities, nil return measuredValues, nil
} }
// ReadHumiditiesWriteIntoChannel reads the humidity values of humidity sensors and writes them into a channel // ReadChannel reads the measured values from sensors and writes them to a
func ReadHumiditiesWriteIntoChannel(ctx context.Context, humiditySensors []HumiditySensor, round float64, humidityChannel chan<- *types.Humidity, errorChannel chan<- error, wg *sync.WaitGroup) { // channel.
for _, humiditySensor := range humiditySensors { func ReadChannel(ctx context.Context, sensors []Sensor, measuredValueChannel chan<- types.MeasuredValue, errorChannel chan<- error, wg *sync.WaitGroup) {
humiditySensor.ReadHumidityWriteIntoChannel(round, humidityChannel, errorChannel, wg) for _, sensor := range sensors {
sensor.ReadChannel(measuredValueChannel, errorChannel, wg)
} }
} }
// ReadHumiditiesContinuously reads the humidity values of humidity sensors continuously and writes them into a channel // ReadContinuously reads the measured values continously from sensors and writes
func ReadHumiditiesContinuously(ctx context.Context, humiditySensors []HumiditySensor, round float64, humidityChannel chan<- *types.Humidity, errorChannel chan<- error) { // them to a channel.
func ReadContinuously(ctx context.Context, sensors []Sensor, measuredValueChannel chan<- types.MeasuredValue, errorChannel chan<- error) {
for { for {
select { select {
case <-ctx.Done(): case <-ctx.Done():
errorChannel <- fmt.Errorf("Context closed: %v", ctx.Err()) errorChannel <- fmt.Errorf("Context closed: %v", ctx.Err())
return return
default: default:
ReadHumiditiesWriteIntoChannel(ctx, humiditySensors, round, humidityChannel, errorChannel, nil) ReadChannel(ctx, sensors, measuredValueChannel, errorChannel, nil)
} }
} }
} }
// ReadTemperatures returns a list of measured temperatures by temperature sensors
func ReadTemperatures(temperatureSensors []TemperatureSensor, degree types.TemperatureUnit, round float64) ([]*types.Temperature, error) {
temperatureChannel := make(chan *types.Temperature, len(temperatureSensors))
errorChannel := make(chan error, len(temperatureSensors))
wg := new(sync.WaitGroup)
wg.Add(len(temperatureSensors))
for _, temperatureSensor := range temperatureSensors {
go temperatureSensor.ReadTemperatureWriteIntoChannel(degree, round, temperatureChannel, errorChannel, wg)
}
wg.Wait()
errors := collect.Errors(errorChannel)
if len(errors) > 0 {
return nil, prittyprint.FormatErrors(errors)
}
temperatures := collect.Temperatures(temperatureChannel)
return temperatures, nil
}
// ReadTemperaturesWriteIntoChannel reads the temperature values of temperature sensors and writes them into a channel
func ReadTemperaturesWriteIntoChannel(ctx context.Context, temperatureSensors []TemperatureSensor, degree types.TemperatureUnit, round float64, temperatureChannel chan<- *types.Temperature, errorChannel chan<- error, wg *sync.WaitGroup) {
for _, temperatureSensor := range temperatureSensors {
temperatureSensor.ReadTemperatureWriteIntoChannel(degree, round, temperatureChannel, errorChannel, wg)
}
}
// ReadTemperaturesContinuously reads the temperature values of temperature sensors continuously and writes them into a chann
func ReadTemperaturesContinuously(ctx context.Context, temperatureSensors []TemperatureSensor, degree types.TemperatureUnit, round float64, temperatureChannel chan<- *types.Temperature, errorChannel chan<- error) {
for {
select {
case <-ctx.Done():
errorChannel <- fmt.Errorf("Context closed: %v", ctx.Err())
return
default:
ReadTemperaturesWriteIntoChannel(ctx, temperatureSensors, degree, round, temperatureChannel, errorChannel, nil)
}
}
}
func convertTemperatureMeasurementUnit(value float64, fromDegree types.TemperatureUnit, toDegree types.TemperatureUnit) float64 {
switch fromDegree {
// Celsius
case types.TemperatureUnitCelsius:
switch toDegree {
// Celsius -> Celsius
case types.TemperatureUnitCelsius:
return value
// Celsius -> Fahrenheit
case types.TemperatureUnitFahrenheit:
return (value * 9 / 5) + 32
// Celsius -> Kelvin
case types.TemperatureUnitKelvin:
return value + 273.15
}
// Fahrenheit
case types.TemperatureUnitFahrenheit:
switch toDegree {
// Fahrenheit -> Celsius
case types.TemperatureUnitCelsius:
return (value - 32) * 5 / 9
// Fahrenheit -> Fahrenheit
case types.TemperatureUnitFahrenheit:
return value
// Fahrenheit -> Kelvin
case types.TemperatureUnitKelvin:
return (value-32)*5/9 + 273.15
}
case types.TemperatureUnitKelvin:
switch toDegree {
// Kelvin -> Celsius
case types.TemperatureUnitCelsius:
return value - 273.15
// Kelvin -> Fahrenheit
case types.TemperatureUnitFahrenheit:
return (value-273.15)*9/5 + 32
// Kevin -> Kelvin
case types.TemperatureUnitKelvin:
return value
}
}
return value
}
func SelectTemperatureMeasurementUnit(unit string) (types.TemperatureUnit, error) {
switch unit {
case "celsius":
return types.TemperatureUnitCelsius, nil
case "fahrenheit":
return types.TemperatureUnitFahrenheit, nil
case "kelvin":
return types.TemperatureUnitKelvin, nil
default:
return "", fmt.Errorf("Can not determine temperature measurement unit")
}
}

View File

@ -12,3 +12,15 @@ type Humidity struct {
CreationDate *time.Time `json:"creation_date" xml:"creation_date"` CreationDate *time.Time `json:"creation_date" xml:"creation_date"`
UpdateDate *time.Time `json:"update_date" xml:"update_date"` UpdateDate *time.Time `json:"update_date" xml:"update_date"`
} }
func (h *Humidity) GetID() string {
return h.HumidityID
}
func (h *Humidity) GetSensorID() string {
return h.SensorID
}
func (h *Humidity) GetValue() float64 {
return h.HumidityValue
}

View File

@ -0,0 +1,7 @@
package types
type MeasuredValue interface {
GetID() string
GetSensorID() string
GetValue() float64
}

View File

@ -1,31 +1,26 @@
package types package types
import ( import "time"
"time"
)
// Temperature ... // Temperature ...
type Temperature struct { type Temperature struct {
TemperatureID string `json:"temperature_id" xml:"temperature_id"` TemperatureID string `json:"temperature_id" xml:"temperature_id"`
TemperatureValue float64 `json:"temperature_value,string" xml:"temperature_value,string"` TemperatureValue float64 `json:"temperature_value,string" xml:"temperature_value,string"`
TemperatureUnit TemperatureUnit `json:"temperature_unit" xml:"temperature_unit"` TemperatureFromDate time.Time `json:"temperature_from_date" xml:"temperature_from_date"`
TemperatureFromDate time.Time `json:"temperature_from_date" xml:"temperature_from_date"` TemperatureTillDate time.Time `json:"temperature_till_date" xml:"temperature_till_date"`
TemperatureTillDate time.Time `json:"temperature_till_date" xml:"temperature_till_date"` SensorID string `json:"sensor_id" xml:"sensor_id"`
SensorID string `json:"sensor_id" xml:"sensor_id"` CreationDate *time.Time `json:"creation_date" xml:"creation_date"`
CreationDate *time.Time `json:"creation_date" xml:"creation_date"` UpdateDate *time.Time `json:"update_date" xml:"update_date"`
UpdateDate *time.Time `json:"update_date" xml:"update_date"`
} }
// TemperatureUnit of measurement for temperature func (t *Temperature) GetID() string {
type TemperatureUnit string return t.TemperatureID
}
const ( func (t *Temperature) GetSensorID() string {
// TemperatureUnitCelsius indicates the temperature in Celsius return t.SensorID
TemperatureUnitCelsius TemperatureUnit = "celsius" }
// TemperatureUnitFahrenheit indicates the temperature in Fahrenheit func (t *Temperature) GetValue() float64 {
TemperatureUnitFahrenheit = "fahrenheit" return t.TemperatureValue
}
// TemperatureUnitKelvin indicates the temperature in Kelvin
TemperatureUnitKelvin = "kelvin"
)