func main() {
ignoreIfaceNames := make(stringList)
mflag.Var(&ignoreIfaceNames, []string{"-ignore-iface"}, "name of interface to ignore)")
mflag.Parse()
if len(mflag.Args()) < 1 {
fmt.Fprintln(os.Stderr, "usage: netcheck [--ignore-iface <iface-name>] network-cidr")
os.Exit(1)
}
cidrStr := mflag.Args()[0]
addr, ipnet, err := net.ParseCIDR(cidrStr)
if err != nil {
fatal(err)
}
if ipnet.IP.Equal(addr) {
err = weavenet.CheckNetworkFree(ipnet, ignoreIfaceNames)
} else {
err = weavenet.CheckAddressOverlap(addr, ignoreIfaceNames)
}
if err != nil {
fatal(err)
}
os.Exit(0)
}
func netcheck(args []string) error {
if len(args) < 1 {
cmdUsage("netcheck", "<cidr> [<interface-to-ignore> ...]")
}
addr, ipnet, err := net.ParseCIDR(args[0])
if err != nil {
return err
}
ignoreIfaceNames := make(map[string]struct{})
for _, ifName := range args[1:] {
ignoreIfaceNames[ifName] = struct{}{}
}
if ipnet.IP.Equal(addr) {
err = weavenet.CheckNetworkFree(ipnet, ignoreIfaceNames)
} else {
err = weavenet.CheckAddressOverlap(addr, ignoreIfaceNames)
}
return err
}
func main() {
if len(os.Args) <= 1 {
os.Exit(0)
}
cidrStr := os.Args[1]
addr, ipnet, err := net.ParseCIDR(cidrStr)
if err != nil {
fatal(err)
}
if ipnet.IP.Equal(addr) {
err = weavenet.CheckNetworkFree(ipnet)
} else {
err = weavenet.CheckAddressOverlap(addr)
}
if err != nil {
fatal(err)
}
os.Exit(0)
}