/
dhcp6.go
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/
dhcp6.go
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/*
* NETCAP - Traffic Analysis Framework
* Copyright (c) 2017 Philipp Mieden <dreadl0ck [at] protonmail [dot] ch>
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package encoder
import (
"github.com/dreadl0ck/netcap/types"
"github.com/golang/protobuf/proto"
"github.com/google/gopacket"
"github.com/google/gopacket/layers"
)
var dhcpv6Encoder = CreateLayerEncoder(types.Type_NC_DHCPv6, layers.LayerTypeDHCPv6, func(layer gopacket.Layer, timestamp string) proto.Message {
if dhcp6, ok := layer.(*layers.DHCPv6); ok {
var opts []*types.DHCPv6Option
for _, o := range dhcp6.Options {
opts = append(opts, &types.DHCPv6Option{
Data: o.Data,
Length: int32(o.Length),
Code: int32(o.Code),
})
}
return &types.DHCPv6{
Timestamp: timestamp,
MsgType: int32(dhcp6.MsgType),
HopCount: int32(dhcp6.HopCount),
LinkAddr: dhcp6.LinkAddr.String(),
PeerAddr: dhcp6.PeerAddr.String(),
TransactionID: []byte(dhcp6.TransactionID),
Options: opts,
}
}
return nil
})