Committing vendored dependencies and generated protos
Change-Id: I349c149b513d9de7d9f60bde2c954a939da2fc54
diff --git a/vendor/github.com/google/gopacket/layers/arp.go b/vendor/github.com/google/gopacket/layers/arp.go
new file mode 100644
index 0000000..49e05ac
--- /dev/null
+++ b/vendor/github.com/google/gopacket/layers/arp.go
@@ -0,0 +1,109 @@
+// Copyright 2012 Google, Inc. All rights reserved.
+// Copyright 2009-2011 Andreas Krennmair. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style license
+// that can be found in the LICENSE file in the root of the source
+// tree.
+
+package layers
+
+import (
+ "encoding/binary"
+ "errors"
+
+ "github.com/google/gopacket"
+)
+
+// Potential values for ARP.Operation.
+const (
+ ARPRequest = 1
+ ARPReply = 2
+)
+
+// ARP is a ARP packet header.
+type ARP struct {
+ BaseLayer
+ AddrType LinkType
+ Protocol EthernetType
+ HwAddressSize uint8
+ ProtAddressSize uint8
+ Operation uint16
+ SourceHwAddress []byte
+ SourceProtAddress []byte
+ DstHwAddress []byte
+ DstProtAddress []byte
+}
+
+// LayerType returns LayerTypeARP
+func (arp *ARP) LayerType() gopacket.LayerType { return LayerTypeARP }
+
+// DecodeFromBytes decodes the given bytes into this layer.
+func (arp *ARP) DecodeFromBytes(data []byte, df gopacket.DecodeFeedback) error {
+ arp.AddrType = LinkType(binary.BigEndian.Uint16(data[0:2]))
+ arp.Protocol = EthernetType(binary.BigEndian.Uint16(data[2:4]))
+ arp.HwAddressSize = data[4]
+ arp.ProtAddressSize = data[5]
+ arp.Operation = binary.BigEndian.Uint16(data[6:8])
+ arp.SourceHwAddress = data[8 : 8+arp.HwAddressSize]
+ arp.SourceProtAddress = data[8+arp.HwAddressSize : 8+arp.HwAddressSize+arp.ProtAddressSize]
+ arp.DstHwAddress = data[8+arp.HwAddressSize+arp.ProtAddressSize : 8+2*arp.HwAddressSize+arp.ProtAddressSize]
+ arp.DstProtAddress = data[8+2*arp.HwAddressSize+arp.ProtAddressSize : 8+2*arp.HwAddressSize+2*arp.ProtAddressSize]
+
+ arpLength := 8 + 2*arp.HwAddressSize + 2*arp.ProtAddressSize
+ arp.Contents = data[:arpLength]
+ arp.Payload = data[arpLength:]
+ return nil
+}
+
+// SerializeTo writes the serialized form of this layer into the
+// SerializationBuffer, implementing gopacket.SerializableLayer.
+// See the docs for gopacket.SerializableLayer for more info.
+func (arp *ARP) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
+ size := 8 + len(arp.SourceHwAddress) + len(arp.SourceProtAddress) + len(arp.DstHwAddress) + len(arp.DstProtAddress)
+ bytes, err := b.PrependBytes(size)
+ if err != nil {
+ return err
+ }
+ if opts.FixLengths {
+ if len(arp.SourceHwAddress) != len(arp.DstHwAddress) {
+ return errors.New("mismatched hardware address sizes")
+ }
+ arp.HwAddressSize = uint8(len(arp.SourceHwAddress))
+ if len(arp.SourceProtAddress) != len(arp.DstProtAddress) {
+ return errors.New("mismatched prot address sizes")
+ }
+ arp.ProtAddressSize = uint8(len(arp.SourceProtAddress))
+ }
+ binary.BigEndian.PutUint16(bytes, uint16(arp.AddrType))
+ binary.BigEndian.PutUint16(bytes[2:], uint16(arp.Protocol))
+ bytes[4] = arp.HwAddressSize
+ bytes[5] = arp.ProtAddressSize
+ binary.BigEndian.PutUint16(bytes[6:], arp.Operation)
+ start := 8
+ for _, addr := range [][]byte{
+ arp.SourceHwAddress,
+ arp.SourceProtAddress,
+ arp.DstHwAddress,
+ arp.DstProtAddress,
+ } {
+ copy(bytes[start:], addr)
+ start += len(addr)
+ }
+ return nil
+}
+
+// CanDecode returns the set of layer types that this DecodingLayer can decode.
+func (arp *ARP) CanDecode() gopacket.LayerClass {
+ return LayerTypeARP
+}
+
+// NextLayerType returns the layer type contained by this DecodingLayer.
+func (arp *ARP) NextLayerType() gopacket.LayerType {
+ return gopacket.LayerTypePayload
+}
+
+func decodeARP(data []byte, p gopacket.PacketBuilder) error {
+
+ arp := &ARP{}
+ return decodingLayerDecoder(arp, data, p)
+}