fix heiarchy. rewrite routing table code

1 files changed, 28 insertions, 0 deletions

diff --git a/cmd/example/main.go b/cmd/example/main.go
new file mode 100644
index 0000000..5b6ae61
--- /dev/null
+++ b/cmd/example/main.go
@@ -0,0 +1,28 @@
+package main
+
+import (
+	"fmt"
+	"iptcp-jailpt2/pkg/lnxconfig"
+	"net/netip"
+	"os"
+)
+
+func main() {
+	if len(os.Args) != 2 {
+		fmt.Printf("Usage:  %s <configFile>\n", os.Args[0])
+		os.Exit(1)
+	}
+	fileName := os.Args[1]
+
+	// Parse the file
+	lnxConfig, err := lnxconfig.ParseConfig(fileName)
+	if err != nil {
+		panic(err)
+	}
+
+	// Demo:  print out the IP for each interface in this config
+	for _, iface := range lnxConfig.Interfaces {
+		prefixForm := netip.PrefixFrom(iface.AssignedIP, iface.AssignedPrefix.Bits())
+		fmt.Printf("%s has IP %s\n", iface.Name, prefixForm.String())
+	}
+}