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// Copyright (c) 2018 Cisco and/or its affiliates.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at:
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// binapi-types is an example showing how to use and convert data with
// helper methods from *-types packages in VPP binary API.
package main
import (
"fmt"
"log"
"time"
"git.fd.io/govpp.git/binapi/ethernet_types"
"git.fd.io/govpp.git/binapi/ip"
"git.fd.io/govpp.git/binapi/ip_types"
"git.fd.io/govpp.git/binapi/vpe_types"
"git.fd.io/govpp.git/codec"
)
func init() {
}
func main() {
log.SetFlags(0)
usageUnion()
usageAddress()
// convert IP address in string form into ip_types.Address
convertIPAddress("10.10.1.1")
convertIPAddress("ff80::1")
// convert IP address / CIDR in string form into ip_types.Prefix
convertIPPrefix("20.10.1.1/24")
convertIPPrefix("21.10.1.1")
convertIPPrefix("ff90::1/64")
convertIPPrefix("ff91::1")
// convert MAC address in string form into ethernet_types.MacAddress
convertToMacAddress("00:10:ab:4f:00:01")
// convert time.Time into vpe_types.Timestamp
convertToTimestamp(time.Now())
}
func usageUnion() {
var union ip_types.AddressUnion
// initialize union using 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})
// get union value using getters
ip4 := union.GetIP4()
ip6 := union.GetIP6()
// set union value using setters
union.SetIP4(ip4)
union.SetIP6(ip6)
}
func usageAddress() {
// parse string into IP address
addr, err := ip_types.ParseAddress("192.168.1.10")
if err != nil {
panic(err)
}
var msg = ip.IPPuntRedirect{
IsAdd: true,
Punt: ip.PuntRedirect{
Nh: addr,
},
}
log.Printf("encoding message: %#v", msg)
var c = codec.DefaultCodec
b, err := c.EncodeMsg(&msg, 1)
if err != nil {
log.Fatal(err)
}
// 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)
// compare the messages
if !msg.Punt.Nh.ToIP().Equal(msg2.Punt.Nh.ToIP()) {
log.Fatal("messages are not equal")
}
}
func convertIPAddress(ip string) {
addr, err := ip_types.ParseAddress(ip)
if err != nil {
log.Printf("error converting IP to Address: %v", err)
return
}
fmt.Printf("converted IP %q to: %#v\n", ip, addr)
fmt.Printf("Address converted back to string IP %#v to: %s\n", addr, 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)
fmt.Printf("IP4Prefix converted back to string prefix %#v to: %s\n", prefix, prefix)
}
func convertToMacAddress(mac string) {
parsedMac, err := ethernet_types.ParseMacAddress(mac)
if err != nil {
log.Printf("error converting MAC to MacAddress: %v", err)
return
}
fmt.Printf("converted mac %q to: %#v\n", mac, parsedMac)
fmt.Printf("MacAddress converted back to string %#v to: %s\n", parsedMac, parsedMac)
}
func convertToTimestamp(t time.Time) {
timestamp := vpe_types.NewTimestamp(t)
fmt.Printf("converted time %v to: %#v\n", t, timestamp)
fmt.Printf("Timestamp converted back to string %#v to: %s\n", timestamp, timestamp)
}
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