correctly shows the DNS status

Signed-off-by: Jeff Carr <jcarr@wit.com>

gui.go

@@ -72,16 +72,9 @@ func addDNSTab(title string) {
 	g2.NewButton("Escalate()", func () {
 		Escalate()
 	})
-	g2.NewButton("pprof(goroutine)", func () {
-		// loggo()
-		// panic("correctly inside of gui goroutine (goroutine 1?)")
-	})
 	g2.NewButton("gui.DebugWindow()", func () {
 		gui.DebugWindow()
 	})
-	g2.NewButton("NewCheckbox(test)", func () {
-		me.notes.NewCheckbox("test")
-	})
 	g2.NewButton("LookupAddr(<raw ipv6>) == fire from /etc/hosts", func () {
 		host, err := net.LookupAddr("2600:1700:afd5:6000:b26e:bfff:fe80:3c52")
 		if err != nil {
@@ -139,18 +132,46 @@ func nsupdateGroup(w *gui.Node) {
 	grid.NewLabel("interfaces =")
 	me.Interfaces = grid.NewCombobox("foo(1,3)")
 
+	grid.NewLabel("DNS AAAA =")
+	me.DnsAAAA = grid.NewLabel("need to lookup")
+
+	grid.NewLabel("DNS A =")
+	me.DnsA = grid.NewLabel("need to lookup")
+
+	grid.NewLabel("DNS Status =")
+	me.DnsStatus = grid.NewLabel("unknown")
+
 	g.NewButton("DNS AAAA", func () {
 		var aaaa []string
-		var out string
+		h := me.hostname
-		h := me.fqdn.GetText()
+		if (h == "") {
-		// h := "fire.lab.wit.org"
+			h = "unknown.lab.wit.org"
+			// h = "hpdevone.lab.wit.org"
+		}
 		aaaa = dnsAAAA(h)
 		log(SPEW, me)
 		if (aaaa == nil) {
-			out += "There are no DNS AAAA records for hostname: " + h + "\n"
+			log("There are no DNS AAAA records for hostname: ", h)
 		}
+		var broken int = 0
+		var all string
 		for _, s := range aaaa {
-			out += "host " + h + " DNS AAAA = " + s + "\n"
+			log("host", h, "DNS AAAA =", s)
+			all += s + "\n"
+			if ( me.ipmap[s] == nil) {
+				log("THIS IS THE WRONG AAAA DNS ENTRY:  host", h, "DNS AAAA =", s)
+				broken = 2
+			} else {
+				if (broken == 0) {
+					broken = 1
+				}
+			}
+		}
+		me.DnsAAAA.SetText(all)
+		if (broken == 1) {
+			me.DnsStatus.SetText("WORKING")
+		} else {
+			me.DnsStatus.SetText("Broken")
 		}
 	})
 	g.NewButton("dig +trace", func () {

hostname.go

@@ -28,7 +28,9 @@ func getHostname() {
 	if (me.fqdn != nil) {
 		// s =  me.fqdn.GetText()
 		log("trying to update gui.Label")
+		me.fqdn.AddText(s)
 		me.fqdn.SetText(s)
+		me.hostname = s
 	}
 	log("FQDN =", s)
 }

main.go

@@ -48,9 +48,10 @@ func main() {
 	Poll for changes to the networking settings
 */
 func checkNetworkChanges() {
-	var ttl int = 3
+	var ttl int = 0
+	var ttlsleep int = 5
 	for {
-		sleep(1)
+		sleep(ttlsleep)
 		ttl -= 1
 		if (ttl < 0) {
 			if (runtime.GOOS == "linux") {

structs.go

@@ -28,6 +28,9 @@ type Host struct {
 	IPv4		*gui.Node		// show valid IPv4 addresses
 	IPv6		*gui.Node		// show valid IPv6 addresses
 	Interfaces	*gui.Node		// Interfaces
+	DnsAAAA		*gui.Node		// the actual DNS AAAA results
+	DnsA		*gui.Node		// the actual DNS A results (ignore for status since mostly never happens?)
+	DnsStatus	*gui.Node		// the current state of DNS
 }
 
 type IPtype struct {