everything auto-updates on open

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

gui.go

@@ -33,6 +33,9 @@ func addDNSTab(title string) {
 
 	g2 = me.tab.NewGroup("Real Stuff")
 
+	g2.NewButton("gui.DebugWindow()", func () {
+		gui.DebugWindow()
+	})
 	g2.NewButton("Network Interfaces", func () {
 		for i, t := range me.ifmap {
 			log("name =", t.iface.Name)
@@ -73,9 +76,6 @@ func addDNSTab(title string) {
 	g2.NewButton("Escalate()", func () {
 		Escalate()
 	})
-	g2.NewButton("gui.DebugWindow()", func () {
-		gui.DebugWindow()
-	})
 	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 {
@@ -122,60 +122,20 @@ func nsupdateGroup(w *gui.Node) {
 	grid.NewLabel("DNS A =")
 	me.DnsA = grid.NewLabel("?")
 
+	grid.NewLabel("IPv4 =")
+	me.IPv4 = grid.NewLabel("?")
+
+	grid.NewLabel("IPv6 =")
+	me.IPv6 = grid.NewLabel("?")
+
+	grid.NewLabel("interfaces =")
+	me.Interfaces = grid.NewCombobox("Interfaces")
+
 	grid.NewLabel("DNS Status =")
 	me.DnsStatus = grid.NewLabel("unknown")
 
-	grid.NewLabel("IPv4 =")
-	me.IPv4 = grid.NewCombobox("foo(2,1)")
-
-	grid.NewLabel("IPv6 =")
-	me.IPv6 = grid.NewCombobox("foo(1,3)")
-
-	grid.NewLabel("interfaces =")
-	me.Interfaces = grid.NewCombobox("foo(1,3)")
-
 	g.NewButton("Update DNS", func () {
-		var aaaa []string
-		h := me.hostname
-		if (h == "") {
-			h = "unknown.lab.wit.org"
-			// h = "hpdevone.lab.wit.org"
-		}
-		aaaa = dnsAAAA(h)
-		log(SPEW, me)
-		if (aaaa == nil) {
-			log("There are no DNS AAAA records for hostname: ", h)
-		}
-		var broken int = 0
-		var all string
-		for _, s := range aaaa {
-			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
-				}
-			}
-		}
-		all = strings.TrimSuffix(all, "\r\n")
-		all = strings.TrimSuffix(all, "\n")
-		me.DnsAAAA.SetText(all)
-		if (broken == 1) {
-			me.DnsStatus.SetText("WORKING")
-		} else {
-			me.DnsStatus.SetText("BROKEN")
-			log("Need to run go-nsupdate here")
-		}
-
-		user, _ := user.Current()
-		spew.Dump(user)
-		log("os.Getuid =", user.Username, os.Getuid())
-		if (me.uid != nil) {
-			me.uid.SetText(user.Username + " (" + strconv.Itoa(os.Getuid()) + ")")
-		}
+		updateDNS()
 		me.tab.Margin()
 		me.tab.Pad()
 		grid.Pad()
@@ -192,3 +152,47 @@ func output(s string, a bool) {
 	me.output.SetText(outJunk)
 	log(outJunk)
 }
+
+func updateDNS() {
+	var aaaa []string
+	h := me.hostname
+	if (h == "") {
+		h = "unknown.lab.wit.org"
+		// h = "hpdevone.lab.wit.org"
+	}
+	aaaa = dnsAAAA(h)
+	log(SPEW, me)
+	if (aaaa == nil) {
+		log("There are no DNS AAAA records for hostname: ", h)
+	}
+	var broken int = 0
+	var all string
+	for _, s := range aaaa {
+		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
+			}
+		}
+	}
+	all = strings.TrimSuffix(all, "\r\n")
+	all = strings.TrimSuffix(all, "\n")
+	me.DnsAAAA.SetText(all)
+	if (broken == 1) {
+		me.DnsStatus.SetText("WORKING")
+	} else {
+		me.DnsStatus.SetText("BROKEN")
+		log("Need to run go-nsupdate here")
+	}
+
+	user, _ := user.Current()
+	spew.Dump(user)
+	log("os.Getuid =", user.Username, os.Getuid())
+	if (me.uid != nil) {
+		me.uid.SetText(user.Username + " (" + strconv.Itoa(os.Getuid()) + ")")
+	}
+}

hostname.go

@@ -28,9 +28,11 @@ 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
+		if (me.hostname != s) {
+			me.fqdn.SetText(s)
+			me.hostname = s
+			me.changed = true
+		}
 	}
 	log("FQDN =", s)
 }

main.go

@@ -7,7 +7,7 @@ package main
 import 	(
 	"strconv"
 	"runtime"
-	// "net"
+	"time"
 	arg "github.com/alexflint/go-arg"
 	"git.wit.org/wit/gui"
 )
@@ -71,17 +71,29 @@ func checkNetworkChanges() {
 
 // Run this every once and a while
 func dnsTTL() {
+	me.changed = false
 	log("FQDN =", me.fqdn.GetText())
 	getHostname()
 	scanInterfaces()
 	for i, t := range me.ifmap {
 		log(strconv.Itoa(i) + " iface = " + t.iface.Name)
 	}
+
 	var aaaa []string
 	aaaa = realAAAA()
+	var all string
 	for _, s := range aaaa {
 		log("my actual AAAA = ",s)
-		// me.IPv6.AddText(s)
-		me.IPv6.SetText(s)
+		all += s + "\n"
+	}
+	me.IPv6.SetText(all)
+
+	if (me.changed) {
+		stamp := time.Now().Format("2006/01/02 15:04:05")
+		s := stamp + " Network things changed"
+		log(logError, "Network things changed on", stamp)
+		updateDNS()
+		me.output.SetText(s)
+
 	}
 }

net.go

@@ -78,7 +78,7 @@ func checkInterface(i net.Interface) {
 		me.ifmap[i.Index] = new(IFtype)
 		me.ifmap[i.Index].gone = false
 		me.ifmap[i.Index].iface = &i
-		me.ipchange = true
+		me.changed = true
 		if (me.Interfaces != nil) {
 			me.Interfaces.AddText(i.Name)
 			me.Interfaces.SetText(i.Name)
@@ -90,7 +90,7 @@ func checkInterface(i net.Interface) {
 	if (val.iface.Name != i.Name) {
 		log(val.iface.Name, "has changed to it's name to", i.Name)
 		me.ifmap[i.Index].iface = &i
-		me.ipchange = true
+		me.changed = true
 		if (me.Interfaces != nil) {
 			me.Interfaces.AddText(i.Name)
 			me.Interfaces.SetText(i.Name)
@@ -165,14 +165,12 @@ func checkIP(ip *net.IPNet, i net.Interface) bool {
 		me.ipmap[realip].ipv4 = false
 		t = "IPv6"
 		if (me.IPv6 != nil) {
-			me.IPv6.AddText(realip)
 			me.IPv6.SetText(realip)
 		}
 	} else {
 		me.ipmap[realip].ipv6 = false
 		me.ipmap[realip].ipv4 = true
 		if (me.IPv4 != nil) {
-			me.IPv4.AddText(realip)
 			me.IPv4.SetText(realip)
 		}
 	}
@@ -189,7 +187,7 @@ func checkIP(ip *net.IPNet, i net.Interface) bool {
 }
 
 func scanInterfaces() {
-	me.ipchange = false
+	me.changed = false
 	ifaces, _ := net.Interfaces()
 	// me.ifnew = ifaces
 	log(DEBUGNET, SPEW, ifaces)
@@ -215,6 +213,20 @@ func scanInterfaces() {
 		}
 	}
 	deleteChanges()
+	var all4 string
+	var all6 string
+	for s, t := range me.ipmap {
+		log("HAVE name =", s, "IPv4 =", t.ipv4)
+		log("HAVE name =", s, "IPv6 =", t.ipv6)
+		if (t.ipv4) {
+			all4 += s + "\n"
+		}
+		if (t.ipv6) {
+			all6 += s + "\n"
+		}
+	}
+	me.IPv4.SetText(all4)
+	me.IPv6.SetText(all6)
 }
 
 // delete network interfaces and ip addresses from the gui
@@ -223,6 +235,7 @@ func deleteChanges() {
 		if (t.gone) {
 			log("DELETE int =", i, "name =", t.name, t.iface)
 			delete(me.ifmap, i)
+			me.changed = true
 		}
 		t.gone = true
 	}
@@ -233,6 +246,7 @@ func deleteChanges() {
 			log("DELETE name =", s, "iface =", t.iface)
 			log("DELETE name =", s, "ip =", t.ip)
 			delete(me.ipmap, s)
+			me.changed = true
 		}
 		t.gone = true
 	}

structs.go

@@ -14,11 +14,11 @@ type Host struct {
 	domainname	string			// kernel.org
 	// fqdn		string			// mirrors.kernel.org
 	dnsTTL		int			// Recheck DNS is working every TTL (in seconds)
+	changed		bool			// set to true if things changed
 	user		string			// name of the user
 	ipmap		map[string]*IPtype	// the current ip addresses
 	dnsmap		map[string]*IPtype	// the current dns addresses
 	ifmap		map[int]*IFtype		// the current interfaces
-	ipchange	bool			// set to true if things change
 	window		*gui.Node		// the main window
 	tab		*gui.Node		// the main dns tab
 	notes		*gui.Node		// using this to put notes here