146 lines
3.6 KiB
Go
146 lines
3.6 KiB
Go
package cmd
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import (
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"fmt"
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"math/rand"
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"time"
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"github.com/andig/evcc/api"
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"github.com/andig/evcc/charger"
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"github.com/andig/evcc/core"
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"github.com/andig/evcc/core/wrapper"
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"github.com/andig/evcc/provider"
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"github.com/andig/evcc/push"
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"github.com/andig/evcc/vehicle"
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"github.com/spf13/viper"
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)
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func init() {
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rand.Seed(time.Now().UnixNano())
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}
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func clientID() string {
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pid := rand.Int31()
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return fmt.Sprintf("evcc-%d", pid)
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}
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func configureMeters(conf config) (meters map[string]api.Meter) {
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meters = make(map[string]api.Meter)
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for _, mc := range conf.Meters {
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m := core.NewMeter(provider.NewFloatGetterFromConfig(mc.Power))
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// decorate Meter with MeterEnergy
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if mc.Energy != nil {
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m = &wrapper.CompositeMeter{
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Meter: m,
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MeterEnergy: core.NewMeterEnergy(provider.NewFloatGetterFromConfig(mc.Energy)),
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}
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}
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meters[mc.Name] = m
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}
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return
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}
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func configureChargers(conf config) (chargers map[string]api.Charger) {
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chargers = make(map[string]api.Charger)
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for _, cc := range conf.Chargers {
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chargers[cc.Name] = charger.NewFromConfig(log, cc.Type, cc.Other)
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}
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return
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}
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func configureVehicles(conf config) (vehicles map[string]api.Vehicle) {
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vehicles = make(map[string]api.Vehicle)
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for _, cc := range conf.Vehicles {
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vehicles[cc.Name] = vehicle.NewFromConfig(log, cc.Type, cc.Other)
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}
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return
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}
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// TODO rewrite based on https://github.com/spf13/viper/pull/863
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func configureLoadPoint(lp *core.LoadPoint, lpc loadPointConfig, subv *viper.Viper) {
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// for _, key := range []string{"charger", "gridmeter", "pvmeter", "chargemeter", "soc"} {
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// delete(kv, key)
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// }
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// config := &mapstructure.DecoderConfig{
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// WeaklyTypedInput: true,
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// DecodeHook: mapstructure.StringToTimeDurationHookFunc(),
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// Result: lp,
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// }
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// decoder, err := mapstructure.NewDecoder(config)
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// if err != nil {
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// log.FATAL.Fatalf("configuring loadpoints failed: %v", err)
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// }
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// if err := decoder.Decode(kv); err != nil {
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// log.FATAL.Fatalf("configuring loadpoints failed: %v", err)
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// }
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// we can ignore the error here as UnmarshalExact has been called before
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_ = subv.UnmarshalExact(lp)
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if lpc.Mode != "" {
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// workaround for golangs yaml off=0 conversion
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if lpc.Mode == "0" {
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lpc.Mode = api.ModeOff
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}
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lp.Mode = lpc.Mode // don't use SetMode here as that will block on channel send
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}
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}
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func loadConfig(conf config, eventsChan chan push.Event) (loadPoints []*core.LoadPoint) {
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if viper.Get("mqtt") != nil {
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provider.MQTT = provider.NewMqttClient(conf.Mqtt.Broker, conf.Mqtt.User, conf.Mqtt.Password, clientID(), 1)
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}
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meters := configureMeters(conf)
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chargers := configureChargers(conf)
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vehicles := configureVehicles(conf)
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for idx, lpc := range conf.LoadPoints {
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// configure loadpoint
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lp := core.NewLoadPoint()
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subv := viper.SubSlice("loadpoints")[idx]
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configureLoadPoint(lp, lpc, subv)
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// assign charger
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if charger, ok := chargers[lpc.Charger]; ok {
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lp.Charger = charger
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} else {
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log.FATAL.Fatalf("invalid charger '%s'", lpc.Charger)
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}
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// assign meters
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for _, m := range []struct {
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key string
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meter *api.Meter
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}{
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{lpc.GridMeter, &lp.GridMeter},
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{lpc.ChargeMeter, &lp.ChargeMeter},
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{lpc.PVMeter, &lp.PVMeter},
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} {
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if m.key != "" {
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if impl, ok := meters[m.key]; ok {
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*m.meter = impl
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} else {
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log.FATAL.Fatalf("invalid meter '%s'", m.key)
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}
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}
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}
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// assign socs
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if lpc.Vehicle != "" {
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if impl, ok := vehicles[lpc.Vehicle]; ok {
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lp.Vehicle = impl
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} else {
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log.FATAL.Fatalf("invalid vehicle '%s'", lpc.Vehicle)
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}
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}
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loadPoints = append(loadPoints, lp)
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}
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return
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}
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