some initial code

cmd/main.go

@@ -0,0 +1,59 @@
+package main
+
+import "context"
+import "fmt"
+import "haza"
+import "net"
+import "os"
+//import "time"
+
+func main() {
+	var ds *haza.DhcpServer
+	var logger *AppLogger
+	var addr *net.UDPAddr
+	var addr2 *net.UDPAddr
+	var err error
+
+//	addr, err = net.ResolveUDPAddr("udp4", "0.0.0.0:10000")
+	addr, err = net.ResolveUDPAddr("udp4", "192.168.1.130:10000")
+	if err != nil {
+		fmt.Printf("Failed to resolve address - %s\n", err.Error())
+		os.Exit(-1)
+	}
+
+	addr2, err = net.ResolveUDPAddr("udp4", "192.168.1.114:10000")
+	if err != nil {
+		fmt.Printf("Failed to resolve address - %s\n", err.Error())
+		os.Exit(-1)
+	}
+
+	logger = NewAppLogger("client", os.Stderr, haza.LOG_ALL)
+
+	ds, err = haza.NewDhcpServer(context.Background(), "haza-dhcpd", logger)
+	if err != nil {
+		fmt.Printf("Failed to create dhcp server - %s\n", err.Error())
+		goto oops
+	}
+
+// consider this if you want some more freedom on supported systems
+// sysctl -w net.ipv4.ip_nonlocal_bind=1
+
+//ds.AddListener("tun0", addr)
+err = ds.AddListener4("enp1s0", addr)
+if err != nil {
+	fmt.Printf("Failed to add listgener for %v - %s\n", addr, err.Error())
+	goto oops
+}
+err = ds.AddListener4("enp1s0", addr2)
+if err != nil {
+	fmt.Printf("Failed to add listgener for %v - %s\n", addr2, err.Error())
+	goto oops
+}
+
+	ds.StartService(nil)
+	ds.WaitForTermination()
+	os.Exit(0)
+	
+oops:
+	os.Exit(-1)
+}