X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=examples%2Funion-example%2Funion_example.go;h=cdba2faebc1723db764a5c3a02cee0565951ea09;hb=c7ae74a95d1bd6fefcbb061f5f045c60c11e32fc;hp=22fb362fcd78e9a1e593be8c6a97a062aa2cbac0;hpb=c4522fe10317b1729a0820dc880afc78c663f64d;p=govpp.git

diff --git a/examples/union-example/union_example.go b/examples/union-example/union_example.go
index 22fb362..cdba2fa 100644
--- a/examples/union-example/union_example.go
+++ b/examples/union-example/union_example.go
@@ -16,88 +16,115 @@
 package main
 
 import (
-	"bytes"
 	"fmt"
-	"log"
-	"net"
-
+	"git.fd.io/govpp.git/codec"
+	"git.fd.io/govpp.git/examples/binapi/interfaces"
 	"git.fd.io/govpp.git/examples/binapi/ip"
-	"github.com/lunixbochs/struc"
+	"git.fd.io/govpp.git/examples/binapi/ip_types"
+	"log"
+	"reflect"
 )
 
+func init() {
+	log.SetFlags(0)
+}
+
 func main() {
-	encodingExample()
-	usageExample()
+	constructExample()
+
+	encodingExampleIP()
+
+	// convert IP from string form into Address type containing union
+	convertIP("10.10.1.1")
+	convertIP("ff80::1")
+
+	// convert IP from string form into Prefix type
+	convertIPPrefix("20.10.1.1/24")
+	convertIPPrefix("21.10.1.1")
+	convertIPPrefix("ff90::1/64")
+	convertIPPrefix("ff91::1")
+
+	// convert MAC address from string into MacAddress
+	convertToMacAddress("00:10:ab:4f:00:01")
+}
+
+func constructExample() {
+	var union ip_types.AddressUnion
+
+	// create AddressUnion with AdressUnionXXX constructors
+	union = ip_types.AddressUnionIP4(ip_types.IP4Address{192, 168, 1, 10})
+	union = ip_types.AddressUnionIP6(ip_types.IP6Address{0xff, 0x02, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x02})
+
+	// set AddressUnion with SetXXX methods
+	union.SetIP4(ip_types.IP4Address{192, 168, 1, 10})
+	union.SetIP6(ip_types.IP6Address{0xff, 0x02, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x02})
 }
 
-func encodingExample() {
-	// create union with IPv4 address
-	var unionIP4 ip.AddressUnion
-	unionIP4.SetIP4(ip.IP4Address{192, 168, 1, 10})
+func encodingExampleIP() {
+	var c = codec.DefaultCodec
 
-	// use it in the Address type
-	addr := &ip.Address{
-		Af: ip.ADDRESS_IP4,
-		Un: ip.AddressUnionIP4(ip.IP4Address{192, 168, 1, 10}),
+	// encode this message
+	var msg = ip.IPPuntRedirect{
+		Punt: ip.PuntRedirect{
+			Nh: ip_types.Address{
+				Af: ip_types.ADDRESS_IP4,
+				Un: ip_types.AddressUnionIP4(ip_types.IP4Address{192, 168, 1, 10}),
+			},
+		},
+		IsAdd: true,
 	}
-	log.Printf("encoding union IPv4: %v", addr.Un.GetIP4())
+	log.Printf("encoding message: %+v", msg)
 
-	// encode the address with union
-	data := encode(addr)
-	// decode the address with union
-	addr2 := decode(data)
+	b, err := c.EncodeMsg(&msg, 1)
+	if err != nil {
+		log.Fatal(err)
+	}
 
-	log.Printf("decoded union IPv4: %v", addr2.Un.GetIP4())
-}
+	// decode into this message
+	var msg2 ip.IPPuntRedirect
+	if err := c.DecodeMsg(b, &msg2); err != nil {
+		log.Fatal(err)
+	}
+	log.Printf("decoded message: %+v", msg2)
 
-func encode(addr *ip.Address) []byte {
-	log.Printf("encoding address: %#v", addr)
-	buf := new(bytes.Buffer)
-	if err := struc.Pack(buf, addr); err != nil {
-		panic(err)
+	// compare the messages
+	if !reflect.DeepEqual(msg, msg2) {
+		log.Fatal("messages are not equal")
 	}
-	return buf.Bytes()
 }
 
-func decode(data []byte) *ip.Address {
-	addr := new(ip.Address)
-	buf := bytes.NewReader(data)
-	if err := struc.Unpack(buf, addr); err != nil {
-		panic(err)
+func convertIP(ip string) {
+	addr, err := ip_types.ParseAddress(ip)
+	if err != nil {
+		log.Printf("error converting IP to Address: %v", err)
+		return
 	}
-	log.Printf("decoded address: %#v", addr)
-	return addr
+	fmt.Printf("converted IP %q to: %+v\n", ip, addr)
+
+	ipStr := addr.ToString()
+	fmt.Printf("Address converted back to string IP %+v to: %q\n", addr, ipStr)
 }
 
-func usageExample() {
-	var convAddr = func(ip string) {
-		addr, err := ipToAddress(ip)
-		if err != nil {
-			log.Printf("converting ip %q failed: %v", ip, err)
-		}
-		fmt.Printf("% 0X\n", addr)
+func convertIPPrefix(ip string) {
+	prefix, err := ip_types.ParsePrefix(ip)
+	if err != nil {
+		log.Printf("error converting prefix to IP4Prefix: %v", err)
+		return
 	}
+	fmt.Printf("converted prefix %q to: %+v\n", ip, prefix)
 
-	convAddr("10.10.10.10")
-	convAddr("::1")
-	convAddr("")
+	ipStr := prefix.ToString()
+	fmt.Printf("IP4Prefix converted back to string prefix %+v to: %q\n", prefix, ipStr)
 }
 
-func ipToAddress(ipstr string) (addr ip.Address, err error) {
-	netIP := net.ParseIP(ipstr)
-	if netIP == nil {
-		return ip.Address{}, fmt.Errorf("invalid IP: %q", ipstr)
-	}
-	if ip4 := netIP.To4(); ip4 == nil {
-		addr.Af = ip.ADDRESS_IP6
-		var ip6addr ip.IP6Address
-		copy(ip6addr[:], netIP.To16())
-		addr.Un.SetIP6(ip6addr)
-	} else {
-		addr.Af = ip.ADDRESS_IP4
-		var ip4addr ip.IP4Address
-		copy(ip4addr[:], ip4)
-		addr.Un.SetIP4(ip4addr)
+func convertToMacAddress(mac string) {
+	parsedMac, err := interfaces.ParseMAC(mac)
+	if err != nil {
+		log.Printf("error converting MAC to MacAddress: %v", err)
+		return
 	}
-	return
-}
+	fmt.Printf("converted prefix %q to: %+v\n", mac, parsedMac)
+
+	macStr := parsedMac.ToString()
+	fmt.Printf("MacAddress converted back to string %+v to: %q\n", parsedMac, macStr)
+}
\ No newline at end of file