Change project layout to make easier debug / tests"

internal/lib/signal.go

@@ -0,0 +1,35 @@
+package lib
+
+import (
+	"log"
+	"os"
+	"syscall"
+)
+
+var PrintOutput = true
+
+// SigHandler OS signal handler.
+func (c MyConfig) SigHandler() {
+	for s := range c.SigChan {
+		switch s {
+		case syscall.SIGUSR1:
+			log.Print("Got SIGUSR1, stopping output")
+
+			PrintOutput = false
+
+		case syscall.SIGUSR2:
+			log.Print("Got SIGUSR2, resuming output")
+
+			PrintOutput = true
+
+			c.UpdateReady <- true
+
+		case syscall.SIGQUIT, syscall.SIGTERM, syscall.SIGINT:
+			os.Exit(0)
+
+		// We have signal that we're not interested in, so make a new loop iteration.
+		default:
+			continue
+		}
+	}
+}