add all files from Hong

cmds/client/main.go

@@ -0,0 +1,61 @@
+// Copyright 2018-present the CoreDHCP Authors. All rights reserved
+// This source code is licensed under the MIT license found in the
+// LICENSE file in the root directory of this source tree.
+
+package main
+
+/*
+ * Sample DHCPv6 client to test on the local interface
+ */
+
+import (
+	"flag"
+	"net"
+
+	"github.com/coredhcp/coredhcp/logger"
+	"github.com/insomniacslk/dhcp/dhcpv6"
+	"github.com/insomniacslk/dhcp/dhcpv6/client6"
+	"github.com/insomniacslk/dhcp/iana"
+)
+
+var log = logger.GetLogger("main")
+
+func main() {
+	flag.Parse()
+
+	var macString string
+	if len(flag.Args()) > 0 {
+		macString = flag.Arg(0)
+	} else {
+		macString = "00:11:22:33:44:55"
+	}
+
+	c := client6.NewClient()
+	c.LocalAddr = &net.UDPAddr{
+		IP:   net.ParseIP("::1"),
+		Port: 546,
+	}
+	c.RemoteAddr = &net.UDPAddr{
+		IP:   net.ParseIP("::1"),
+		Port: 547,
+	}
+	log.Printf("%+v", c)
+
+	mac, err := net.ParseMAC(macString)
+	if err != nil {
+		log.Fatal(err)
+	}
+	duid := dhcpv6.DUIDLLT{
+		HWType:        iana.HWTypeEthernet,
+		Time:          dhcpv6.GetTime(),
+		LinkLayerAddr: mac,
+	}
+
+	conv, err := c.Exchange("lo", dhcpv6.WithClientID(&duid))
+	for _, p := range conv {
+		log.Print(p.Summary())
+	}
+	if err != nil {
+		log.Fatal(err)
+	}
+}