VOL-381 add unum container to support ONOS cluster formation under swarm
Change-Id: Ic260edda19bb199ed040f05164ab605f28c919d0
diff --git a/unum/vendor/golang.org/x/net/internal/socket/reflect.go b/unum/vendor/golang.org/x/net/internal/socket/reflect.go
new file mode 100644
index 0000000..bb179f1
--- /dev/null
+++ b/unum/vendor/golang.org/x/net/internal/socket/reflect.go
@@ -0,0 +1,62 @@
+// Copyright 2017 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
+
+package socket
+
+import (
+ "errors"
+ "net"
+ "os"
+ "reflect"
+ "runtime"
+)
+
+// A Conn represents a raw connection.
+type Conn struct {
+ c net.Conn
+}
+
+// NewConn returns a new raw connection.
+func NewConn(c net.Conn) (*Conn, error) {
+ return &Conn{c: c}, nil
+}
+
+func (o *Option) get(c *Conn, b []byte) (int, error) {
+ s, err := socketOf(c.c)
+ if err != nil {
+ return 0, err
+ }
+ n, err := getsockopt(s, o.Level, o.Name, b)
+ return n, os.NewSyscallError("getsockopt", err)
+}
+
+func (o *Option) set(c *Conn, b []byte) error {
+ s, err := socketOf(c.c)
+ if err != nil {
+ return err
+ }
+ return os.NewSyscallError("setsockopt", setsockopt(s, o.Level, o.Name, b))
+}
+
+func socketOf(c net.Conn) (uintptr, error) {
+ switch c.(type) {
+ case *net.TCPConn, *net.UDPConn, *net.IPConn:
+ v := reflect.ValueOf(c)
+ switch e := v.Elem(); e.Kind() {
+ case reflect.Struct:
+ fd := e.FieldByName("conn").FieldByName("fd")
+ switch e := fd.Elem(); e.Kind() {
+ case reflect.Struct:
+ sysfd := e.FieldByName("sysfd")
+ if runtime.GOOS == "windows" {
+ return uintptr(sysfd.Uint()), nil
+ }
+ return uintptr(sysfd.Int()), nil
+ }
+ }
+ }
+ return 0, errors.New("invalid type")
+}