Auto-delete clients when FB returns UNREGISTERED

scnserver/jobs/requestLogCollectorJob.go

@@ -0,0 +1,103 @@
+package jobs
+
+import (
+	"blackforestbytes.com/simplecloudnotifier/logic"
+	"blackforestbytes.com/simplecloudnotifier/models"
+	"context"
+	"errors"
+	"fmt"
+	"github.com/rs/zerolog/log"
+	"gogs.mikescher.com/BlackForestBytes/goext/syncext"
+	"time"
+)
+
+type RequestLogCollectorJob struct {
+	app        *logic.Application
+	name       string
+	isRunning  *syncext.AtomicBool
+	isStarted  bool
+	sigChannel chan string
+}
+
+func NewRequestLogCollectorJob(app *logic.Application) *RequestLogCollectorJob {
+	return &RequestLogCollectorJob{
+		app:        app,
+		name:       "RequestLogCollectorJob",
+		isRunning:  syncext.NewAtomicBool(false),
+		isStarted:  false,
+		sigChannel: make(chan string, 1),
+	}
+}
+
+func (j *RequestLogCollectorJob) Start() error {
+	if j.isRunning.Get() {
+		return errors.New("job already running")
+	}
+	if j.isStarted {
+		return errors.New("job was already started") // re-start after stop is not allowed
+	}
+
+	j.isStarted = true
+
+	go j.mainLoop()
+
+	return nil
+}
+
+func (j *RequestLogCollectorJob) Stop() {
+	log.Info().Msg(fmt.Sprintf("Stopping Job [%s]", j.name))
+	if !syncext.WriteNonBlocking(j.sigChannel, "stop") {
+		log.Error().Msg(fmt.Sprintf("Failed to send Stop-Signal to Job [%s]", j.name))
+	}
+	j.isRunning.Wait(false)
+	log.Info().Msg(fmt.Sprintf("Stopped Job [%s]", j.name))
+}
+
+func (j *RequestLogCollectorJob) Running() bool {
+	return j.isRunning.Get()
+}
+
+func (j *RequestLogCollectorJob) mainLoop() {
+	j.isRunning.Set(true)
+
+mainLoop:
+	for {
+		select {
+		case obj := <-j.app.RequestLogQueue:
+			requestid := models.NewRequestID()
+			err := j.insertLog(requestid, obj)
+			if err != nil {
+				log.Error().Err(err).Msg(fmt.Sprintf("Failed to insert RequestLog {%s} into DB", requestid))
+			} else {
+				log.Debug().Msg(fmt.Sprintf("Inserted RequestLog '%s' into DB", requestid))
+			}
+		case signal := <-j.sigChannel:
+			if signal == "stop" {
+				log.Info().Msg(fmt.Sprintf("Job [%s] received <stop> signal", j.name))
+				break mainLoop
+			} else if signal == "run" {
+				log.Info().Msg(fmt.Sprintf("Job [%s] received <run> signal", j.name))
+				continue
+			} else {
+				log.Error().Msg(fmt.Sprintf("Received unknown job signal: <%s> in job [%s]", signal, j.name))
+			}
+		}
+	}
+
+	log.Info().Msg(fmt.Sprintf("Job [%s] exiting main-loop", j.name))
+
+	j.isRunning.Set(false)
+}
+
+func (j *RequestLogCollectorJob) insertLog(requestid models.RequestID, rl models.RequestLog) error {
+
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	_, err := j.app.Database.Requests.InsertRequestLog(ctx, requestid, rl)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}