VOL-381 add unum container to support ONOS cluster formation under swarm
Change-Id: Ic260edda19bb199ed040f05164ab605f28c919d0
diff --git a/unum/vendor/golang.org/x/net/ipv4/payload_cmsg_go1_8.go b/unum/vendor/golang.org/x/net/ipv4/payload_cmsg_go1_8.go
new file mode 100644
index 0000000..d26ccd9
--- /dev/null
+++ b/unum/vendor/golang.org/x/net/ipv4/payload_cmsg_go1_8.go
@@ -0,0 +1,59 @@
+// Copyright 2012 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.
+
+// +build !go1.9
+// +build !nacl,!plan9,!windows
+
+package ipv4
+
+import "net"
+
+func (c *payloadHandler) readFrom(b []byte) (n int, cm *ControlMessage, src net.Addr, err error) {
+ c.rawOpt.RLock()
+ oob := NewControlMessage(c.rawOpt.cflags)
+ c.rawOpt.RUnlock()
+ var nn int
+ switch c := c.PacketConn.(type) {
+ case *net.UDPConn:
+ if n, nn, _, src, err = c.ReadMsgUDP(b, oob); err != nil {
+ return 0, nil, nil, err
+ }
+ case *net.IPConn:
+ nb := make([]byte, maxHeaderLen+len(b))
+ if n, nn, _, src, err = c.ReadMsgIP(nb, oob); err != nil {
+ return 0, nil, nil, err
+ }
+ hdrlen := int(nb[0]&0x0f) << 2
+ copy(b, nb[hdrlen:])
+ n -= hdrlen
+ default:
+ return 0, nil, nil, &net.OpError{Op: "read", Net: c.LocalAddr().Network(), Source: c.LocalAddr(), Err: errInvalidConnType}
+ }
+ if nn > 0 {
+ cm = new(ControlMessage)
+ if err = cm.Parse(oob[:nn]); err != nil {
+ return 0, nil, nil, &net.OpError{Op: "read", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: err}
+ }
+ }
+ if cm != nil {
+ cm.Src = netAddrToIP4(src)
+ }
+ return
+}
+
+func (c *payloadHandler) writeTo(b []byte, cm *ControlMessage, dst net.Addr) (n int, err error) {
+ oob := cm.Marshal()
+ if dst == nil {
+ return 0, &net.OpError{Op: "write", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: errMissingAddress}
+ }
+ switch c := c.PacketConn.(type) {
+ case *net.UDPConn:
+ n, _, err = c.WriteMsgUDP(b, oob, dst.(*net.UDPAddr))
+ case *net.IPConn:
+ n, _, err = c.WriteMsgIP(b, oob, dst.(*net.IPAddr))
+ default:
+ return 0, &net.OpError{Op: "write", Net: c.LocalAddr().Network(), Source: c.LocalAddr(), Addr: opAddr(dst), Err: errInvalidConnType}
+ }
+ return
+}