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vppcalls_handlers.go
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vppcalls_handlers.go
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// Copyright (c) 2019 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.
package vpp2001_379
import (
"fmt"
"net"
govppapi "git.fd.io/govpp.git/api"
"github.com/ligato/cn-infra/logging"
vpp_ipsec "github.com/ligato/vpp-agent/plugins/vpp/binapi/vpp2001_379/ipsec"
"github.com/ligato/vpp-agent/plugins/vpp/ifplugin/ifaceidx"
"github.com/ligato/vpp-agent/plugins/vpp/ipsecplugin/vppcalls"
)
func init() {
var msgs []govppapi.Message
msgs = append(msgs, vpp_ipsec.AllMessages()...)
vppcalls.Versions["vpp2001_379"] = vppcalls.HandlerVersion{
Msgs: msgs,
New: func(ch govppapi.Channel, ifIdx ifaceidx.IfaceMetadataIndex, log logging.Logger) vppcalls.IPSecVppAPI {
return NewIPSecVppHandler(ch, ifIdx, log)
},
}
}
// IPSecVppHandler is accessor for IPSec-related vppcalls methods
type IPSecVppHandler struct {
callsChannel govppapi.Channel
ifIndexes ifaceidx.IfaceMetadataIndex
log logging.Logger
}
func NewIPSecVppHandler(ch govppapi.Channel, ifIdx ifaceidx.IfaceMetadataIndex, log logging.Logger) *IPSecVppHandler {
return &IPSecVppHandler{ch, ifIdx, log}
}
func ipsecAddrToIP(addr vpp_ipsec.Address) net.IP {
if addr.Af == vpp_ipsec.ADDRESS_IP6 {
addrIP := addr.Un.GetIP6()
return net.IP(addrIP[:])
}
addrIP := addr.Un.GetIP4()
return net.IP(addrIP[:])
}
func IPToAddress(ipstr string) (addr vpp_ipsec.Address, err error) {
netIP := net.ParseIP(ipstr)
if netIP == nil {
return vpp_ipsec.Address{}, fmt.Errorf("invalid IP: %q", ipstr)
}
if ip4 := netIP.To4(); ip4 == nil {
addr.Af = vpp_ipsec.ADDRESS_IP6
var ip6addr vpp_ipsec.IP6Address
copy(ip6addr[:], netIP.To16())
addr.Un.SetIP6(ip6addr)
} else {
addr.Af = vpp_ipsec.ADDRESS_IP4
var ip4addr vpp_ipsec.IP4Address
copy(ip4addr[:], ip4)
addr.Un.SetIP4(ip4addr)
}
return
}