VOL-381 add unum container to support ONOS cluster formation under swarm
Change-Id: Ic260edda19bb199ed040f05164ab605f28c919d0
diff --git a/unum/vendor/golang.org/x/net/ipv6/header.go b/unum/vendor/golang.org/x/net/ipv6/header.go
new file mode 100644
index 0000000..e05cb08
--- /dev/null
+++ b/unum/vendor/golang.org/x/net/ipv6/header.go
@@ -0,0 +1,55 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package ipv6
+
+import (
+ "encoding/binary"
+ "fmt"
+ "net"
+)
+
+const (
+ Version = 6 // protocol version
+ HeaderLen = 40 // header length
+)
+
+// A Header represents an IPv6 base header.
+type Header struct {
+ Version int // protocol version
+ TrafficClass int // traffic class
+ FlowLabel int // flow label
+ PayloadLen int // payload length
+ NextHeader int // next header
+ HopLimit int // hop limit
+ Src net.IP // source address
+ Dst net.IP // destination address
+}
+
+func (h *Header) String() string {
+ if h == nil {
+ return "<nil>"
+ }
+ return fmt.Sprintf("ver=%d tclass=%#x flowlbl=%#x payloadlen=%d nxthdr=%d hoplim=%d src=%v dst=%v", h.Version, h.TrafficClass, h.FlowLabel, h.PayloadLen, h.NextHeader, h.HopLimit, h.Src, h.Dst)
+}
+
+// ParseHeader parses b as an IPv6 base header.
+func ParseHeader(b []byte) (*Header, error) {
+ if len(b) < HeaderLen {
+ return nil, errHeaderTooShort
+ }
+ h := &Header{
+ Version: int(b[0]) >> 4,
+ TrafficClass: int(b[0]&0x0f)<<4 | int(b[1])>>4,
+ FlowLabel: int(b[1]&0x0f)<<16 | int(b[2])<<8 | int(b[3]),
+ PayloadLen: int(binary.BigEndian.Uint16(b[4:6])),
+ NextHeader: int(b[6]),
+ HopLimit: int(b[7]),
+ }
+ h.Src = make(net.IP, net.IPv6len)
+ copy(h.Src, b[8:24])
+ h.Dst = make(net.IP, net.IPv6len)
+ copy(h.Dst, b[24:40])
+ return h, nil
+}