fix commands

[bytom/shuttle.git] / vendor / github.com / bytom / vendor / golang.org / x / net / ipv6 / payload_cmsg_go1_9.go

diff --git a/vendor/github.com/bytom/vendor/golang.org/x/net/ipv6/payload_cmsg_go1_9.go b/vendor/github.com/bytom/vendor/golang.org/x/net/ipv6/payload_cmsg_go1_9.go
new file mode 100644 (file)
index 0000000..8f6d02e
--- /dev/null
+++ b/vendor/github.com/bytom/vendor/golang.org/x/net/ipv6/payload_cmsg_go1_9.go
@@ -0,0 +1,57 @@
+// 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
+// +build !nacl,!plan9,!windows
+
+package ipv6
+
+import (
+       "net"
+
+       "golang.org/x/net/internal/socket"
+)
+
+func (c *payloadHandler) readFrom(b []byte) (int, *ControlMessage, net.Addr, error) {
+       c.rawOpt.RLock()
+       m := socket.Message{
+               Buffers: [][]byte{b},
+               OOB:     NewControlMessage(c.rawOpt.cflags),
+       }
+       c.rawOpt.RUnlock()
+       switch c.PacketConn.(type) {
+       case *net.UDPConn:
+               if err := c.RecvMsg(&m, 0); err != nil {
+                       return 0, nil, nil, &net.OpError{Op: "read", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: err}
+               }
+       case *net.IPConn:
+               if err := c.RecvMsg(&m, 0); err != nil {
+                       return 0, nil, nil, &net.OpError{Op: "read", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: err}
+               }
+       default:
+               return 0, nil, nil, &net.OpError{Op: "read", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: errInvalidConnType}
+       }
+       var cm *ControlMessage
+       if m.NN > 0 {
+               cm = new(ControlMessage)
+               if err := cm.Parse(m.OOB[:m.NN]); err != nil {
+                       return 0, nil, nil, &net.OpError{Op: "read", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: err}
+               }
+               cm.Src = netAddrToIP16(m.Addr)
+       }
+       return m.N, cm, m.Addr, nil
+}
+
+func (c *payloadHandler) writeTo(b []byte, cm *ControlMessage, dst net.Addr) (int, error) {
+       m := socket.Message{
+               Buffers: [][]byte{b},
+               OOB:     cm.Marshal(),
+               Addr:    dst,
+       }
+       err := c.SendMsg(&m, 0)
+       if err != nil {
+               err = &net.OpError{Op: "write", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Addr: opAddr(dst), Err: err}
+       }
+       return m.N, err
+}