services decoupling

services/telemetry_events.go

@@ -0,0 +1,41 @@
+package services
+
+import (
+	"context"
+	"fmt"
+
+	telem "esdi/telemetry"
+)
+
+func (t *TelemetryService) onProviderHealthCheckFailed() {
+	// Just restart the whole lookup process
+	go t.FindProvider(t.CtxMonitor)
+}
+
+func (t *TelemetryService) onFindProvider(prov telem.TelemetryProvider) {
+	// Attach to the provider
+	t.logger.Info("found provider for " + prov.Name())
+	t.Messages <- fmt.Sprintf("Found provider \"%s\"\n", prov.Name())
+	err := t.SwitchProvider(prov)
+	if err != nil {
+		t.Messages <- fmt.Sprintf("Failed to switch to provider: %+v\n", err.Error())
+		t.logger.Error("failed to switch to provider onFindProvider", "err", err)
+		return
+	}
+
+	// Start the healthcheck on our provider so we can drop it if it stops
+	t.CtxHealthcheck, t.healthCheckCancel = context.WithCancel(context.Background())
+	go t.ProviderMonitor(t.CtxHealthcheck)
+
+	// Tell the devices service we got a provider
+}
+
+func (t *TelemetryService) onProviderStopsMidStream() {
+	// clear the current provider
+	// TODO: now we need to also clear the devices to restart everything,
+	// if the stream stopped we have to restart the devices and everything
+	t.Messages <- "Telemetry provider stopped mid stream\n"
+	t.logger.Info("cleaning dropped provider and restarting lookup service")
+	t.dropActiveProvider()
+	go t.FindProvider(t.CtxMonitor)
+}