1 files changed, 40 insertions, 0 deletions
diff --git a/dhcpv4/nclient4/example_lease_test.go b/dhcpv4/nclient4/example_lease_test.go
new file mode 100644
index 0000000..876a075
--- /dev/null
+++ b/dhcpv4/nclient4/example_lease_test.go
@@ -0,0 +1,40 @@
+//this is an example for nclient4 with lease
+
+package nclient4_test
+
+import (
+	"context"
+	"log"
+
+	"github.com/insomniacslk/dhcp/dhcpv4"
+	"github.com/insomniacslk/dhcp/dhcpv4/nclient4"
+)
+
+func Example_dHCPv4ClientLease() {
+	ifname := "eth0"
+	remoteID := "client-1"
+	var idoptlist dhcpv4.OptionCodeList
+	//specify option82 is part of client identification used by DHCPv4 server
+	idoptlist.Add(dhcpv4.OptionRelayAgentInformation)
+	clntOptions := []nclient4.ClientOpt{nclient4.WithClientIDOptions(idoptlist), nclient4.WithDebugLogger()}
+	clnt, err := nclient4.New(ifname, clntOptions...)
+	if err != nil {
+		log.Fatalf("failed to create dhcpv4 client,%v", err)
+	}
+	//adding option82/remote-id option to discovery and request
+	remoteIDSubOpt := dhcpv4.OptGeneric(dhcpv4.AgentRemoteIDSubOption, []byte(remoteID))
+	option82 := dhcpv4.OptRelayAgentInfo(remoteIDSubOpt)
+	_, _, err = clnt.RequestSavingLease(context.Background(), dhcpv4.WithOption(option82))
+	if err != nil {
+		log.Fatal(err)
+	}
+	//print the lease
+	log.Printf("Got lease:\n%v", clnt.GetLease())
+	//release the lease
+	log.Print("Releasing lease...")
+	err = clnt.Release()
+	if err != nil {
+		log.Fatal(err)
+	}
+	log.Print("done")
+}