control-panel-dns/net.go

102 lines
2.4 KiB
Go

// This creates a simple hello world window
package main
import (
"log"
"net"
"strings"
"github.com/fsnotify/fsnotify"
// "git.wit.org/wit/gui"
"github.com/davecgh/go-spew/spew"
)
func watchNetworkInterfaces() {
// Get list of network interfaces
interfaces, _ := net.Interfaces()
// Set up a notification channel
notification := make(chan net.Interface)
// Start goroutine to watch for changes
go func() {
for {
// Check for changes in each interface
for _, i := range interfaces {
if status := i.Flags & net.FlagUp; status != 0 {
notification <- i
log.Println("something on i =", i)
}
}
}
}()
}
func inotifyNetworkInterfaceChanges() error {
watcher, err := fsnotify.NewWatcher()
if err != nil {
return err
}
defer watcher.Close()
// Watch for network interface changes
err = watcher.Add("/sys/class/net")
if err != nil {
return err
}
for {
select {
case event := <-watcher.Events:
log.Println("inotifyNetworkInterfaceChanges() event =", event)
if event.Op&fsnotify.Create == fsnotify.Create {
// Do something on network interface creation
}
case err := <-watcher.Errors:
return err
}
}
}
func IsIPv6(address string) bool {
return strings.Count(address, ":") >= 2
}
func scanInterfaces() {
ifaces, _ := net.Interfaces()
spew.Dump(ifaces)
for _, i := range ifaces {
addrs, _ := i.Addrs()
log.Println("addrs = ", i)
spew.Dump(addrs)
for _, addr := range addrs {
log.Println("\taddr =", addr)
spew.Dump(addr)
ips, _ := net.LookupIP(addr.String())
log.Println("\tLookupIP(addr) =", ips)
switch v := addr.(type) {
case *net.IPNet:
log.Println("\t\taddr.(type) = *net.IPNet")
log.Println("\t\taddr.(type) =", v)
ip := v.IP
// spew.Dump(ip)
log.Println("\t\taddr.IP =", ip)
if (IsIPv6(ip.String())) {
log.Println("\t\tIP is IPv6")
} else {
log.Println("\t\tIP is IPv4")
}
log.Println("\t\tIP is IsPrivate() =", ip.IsPrivate())
log.Println("\t\tIP is IsLoopback() =", ip.IsLoopback())
log.Println("\t\tIP is IsLinkLocalUnicast() =", ip.IsLinkLocalUnicast())
if (ip.IsPrivate() || ip.IsLoopback() || ip.IsLinkLocalUnicast()) {
log.Println("\t\tIP is Real = false")
} else {
log.Println("\t\tIP is Real = true")
}
// log.Println("\t\tIP is () =", ip.())
default:
log.Println("\t\taddr.(type) = NO IDEA WHAT TO DO HERE v =", v)
}
}
}
}