more cleaning

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

linuxstatus/common.go

@@ -6,29 +6,36 @@ import 	(
 	"go.wit.com/gui/gui"
 )
 
+// reports externally if something has changed
+// since the last time it was asked about it
+func (ls *LinuxStatus) Changed() bool {
+	if ! ls.Ready() {return false}
+	if ls.changed {
+		ls.changed = false
+		return true
+	}
+	return false
+}
+
 func (ls *LinuxStatus) Make() {
-	log.Log(CHANGE, "Draw() window")
 	if ! ls.Ready() {return}
-	log.Log(CHANGE, "Draw() window ready =", ls.ready)
+	log.Log(CHANGE, "Make() window ready =", ls.ready)
 	ls.window.Make()
 	ls.ready = true
 }
 func (ls *LinuxStatus) Draw() {
-	log.Log(CHANGE, "Draw() window")
 	if ! ls.Ready() {return}
 	log.Log(CHANGE, "Draw() window ready =", ls.ready)
 	ls.window.Draw()
 	ls.ready = true
 }
 func (ls *LinuxStatus) Draw2() {
-	log.Log(CHANGE, "draw(ls)")
 	if ! ls.Ready() {return}
 	log.Log(CHANGE, "draw(ls) ready =", ls.ready)
 	draw(ls)
 }
 
 func (ls *LinuxStatus) Show() {
-	log.Log(CHANGE, "Show() window")
 	if ! ls.Ready() {return}
 	log.Log(CHANGE, "Show() window ready =", ls.ready)
 	ls.window.Show()
@@ -36,7 +43,6 @@ func (ls *LinuxStatus) Show() {
 }
 
 func (ls *LinuxStatus) Hide() {
-	log.Log(CHANGE, "Hide() window")
 	if ! ls.Ready() {return}
 	log.Log(CHANGE, "Hide() window ready =", ls.ready)
 	ls.window.Hide()
@@ -44,7 +50,6 @@ func (ls *LinuxStatus) Hide() {
 }
 
 func (ls *LinuxStatus) Toggle() {
-	log.Log(CHANGE, "Toggle() window")
 	if ! ls.Ready() {return}
 	log.Log(CHANGE, "Toggle() window ready =", ls.ready)
 	if ls.hidden {
@@ -55,7 +60,7 @@ func (ls *LinuxStatus) Toggle() {
 }
 
 func (ls *LinuxStatus) Ready() bool {
-	log.Log(CHANGE, "Ready()")
+	log.Log(SPEW, "Ready() maybe not ready? ls =", ls)
 	if me == nil {return false}
 	if ls == nil {return false}
 	if ls.window == nil {return false}

linuxstatus/net.go

@@ -4,40 +4,12 @@ package linuxstatus
 import 	(
 	// "log"
 	"net"
+	"sort"
 	"strings"
 
 	"go.wit.com/log"
 )
 
-// this doesn't work
-/*
-func watchNetworkInterfaces() {
-	// Get list of network interfaces
-	interfaces, _ := net.Interfaces()
-
-	// Set up a notification channel
-	notification := make(chan net.Interface)
-
-	log.Log(NET, "watchNet()")
-	// Start goroutine to watch for changes
-	go func() {
-		log.Log(NET, "watchNet() func")
-		for {
-			log.Log(NET, "forever loop start")
-			// Check for changes in each interface
-			for _, i := range interfaces {
-				log.Log(NET, "something on i =", i)
-				if status := i.Flags & net.FlagUp; status != 0 {
-					notification <- i
-					log.Log(NET, "something on i =", i)
-				}
-			}
-			log.Log(NET, "forever loop end")
-		}
-	}()
-}
-*/
-
 func IsIPv6(address string) bool {
 	return strings.Count(address, ":") >= 2
 }
@@ -240,28 +212,35 @@ func scanInterfaces() {
 
 // displays the IP address found on your network interfaces
 func updateRealAAAA() {
-	var all4 string
+	var all4 []string
-	var all6 string
+	var all6 []string
 	for s, t := range me.ipmap {
 		if (t.ipv4) {
-			all4 += s + "\n"
+			all4 = append(all4, s)
 			log.Log(NET, "IPv4 =", s)
 		} else if (t.ipv6) {
-			all6 += s + "\n"
+			all6 = append(all6, s)
 			log.Log(NET, "IPv6 =", s)
 		} else {
 			log.Log(NET, "???? =", s)
 		}
 	}
-	all4 = sortLines(all4)
+
-	all6 = sortLines(all6)
+	// sort and create text
-	if (me.IPv4.Get() != all4) {
+	sort.Strings(all4)
-		log.Log(NET, "IPv4 addresses have changed", all4)
+	sort.Strings(all6)
-		me.IPv4.Set(all4)
+	s4 := strings.Join(all4, "\n")
+	s6 := strings.Join(all6, "\n")
+
+	if (me.IPv4.Get() != s4) {
+		log.Log(CHANGE, "IPv4 addresses have changed", s4)
+		me.IPv4.Set(s4)
+		me.changed = true
 	}
-	if (me.IPv6.Get() != all6) {
+	if (me.IPv6.Get() != s6) {
-		log.Log(NET, "IPv6 addresses have changed", all6)
+		log.Log(CHANGE, "IPv6 addresses have changed", s6)
-		me.IPv6.Set(all6)
+		me.IPv6.Set(s6)
+		me.changed = true
 	}
 }