jeol-t330a/succbone/succd/main.go
hmelder 6bd2d18ce2
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succd: Do not exit prematurely if modbus connections fails
2024-11-15 23:49:26 +01:00

95 lines
2.8 KiB
Go

package main
import (
"context"
"flag"
"net/http"
"os"
"os/signal"
"time"
"github.com/simonvetter/modbus"
"k8s.io/klog"
)
var (
flagFake bool
flagListenHTTP string
flagPressureThresholdRough = ScientificNotationValue(1e-1)
flagPressureThresholdRoughHysteresis = ScientificNotationValue(3e-2)
flagPressureThresholdHigh = ScientificNotationValue(1e-4)
flagPressureThresholdHighHysteresis = ScientificNotationValue(2e-5)
)
func main() {
flag.BoolVar(&flagFake, "fake", false, "Enable fake mode which allows to run succd for tests outside the succbone")
flag.StringVar(&flagListenHTTP, "listen_http", ":8080", "Address at which to listen for HTTP requests")
flag.TextVar(&flagPressureThresholdRough, "pressure_threshold_rough", &flagPressureThresholdRough, "Threshold for opening up diffusion pump (mbar)")
flag.TextVar(&flagPressureThresholdRoughHysteresis, "pressure_threshold_rough_hysteresis", &flagPressureThresholdRoughHysteresis, "+-Hysteresis for rough threshold (mbar)")
flag.TextVar(&flagPressureThresholdHigh, "pressure_threshold_high", &flagPressureThresholdHigh, "Threshold for enabling high voltage circuits (mbar)")
flag.TextVar(&flagPressureThresholdHighHysteresis, "pressure_threshold_high_hysteresis", &flagPressureThresholdHighHysteresis, "+-Hysteresis for high threshold (mbar)")
flag.Parse()
ctx, _ := signal.NotifyContext(context.Background(), os.Interrupt)
d := daemon{}
d.daemonState.rpOn = true
d.daemonState.piraniVolts3.limit = 3
d.daemonState.piraniVolts100.limit = 100
d.tempDPBottom = 420.6
d.tempDPTop = 69.0
d.tempDPInlet = 42.0
d.tempSEM = 42.5
d.humiditySEM = 66.6
d.aboveRough.threshold = float64(flagPressureThresholdRough)
d.aboveRough.hysteresis = float64(flagPressureThresholdRoughHysteresis)
d.aboveHigh.threshold = float64(flagPressureThresholdHigh)
d.aboveHigh.hysteresis = float64(flagPressureThresholdHighHysteresis)
if flagFake {
klog.Infof("Starting with fake peripherals")
d.adcPirani = &fakeADC{}
} else {
adc, err := newBBADC(0)
if err != nil {
klog.Exitf("Failed to setup Pirani ADC: %v", err)
}
d.adcPirani = adc
// Setup modbus client
d.modbusClient, err = modbus.NewClient(&modbus.ClientConfiguration{
URL: "tcp://10.250.241.20:8887",
Timeout: 1 * time.Second,
})
if err != nil {
klog.Exitf("Failed to setup modbus client %v", err)
}
// Connect to modbus client
err = d.modbusClient.Open()
if err != nil {
klog.Warningf("Failed to connect to modbus TCP %v", err)
}
}
web := webServer{
d: &d,
}
web.setupViews()
klog.Infof("Listening for HTTP at %s", flagListenHTTP)
go func() {
if err := http.ListenAndServe(flagListenHTTP, nil); err != nil {
klog.Errorf("HTTP listen failed: %v", err)
}
}()
go d.process(ctx)
if !flagFake {
go d.modbusProcess(ctx)
}
<-ctx.Done()
}