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path: root/vendor/golang.org/x/net/ipv4/payload_cmsg_go1_8.go
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Diffstat (limited to 'vendor/golang.org/x/net/ipv4/payload_cmsg_go1_8.go')
-rw-r--r--vendor/golang.org/x/net/ipv4/payload_cmsg_go1_8.go59
1 files changed, 0 insertions, 59 deletions
diff --git a/vendor/golang.org/x/net/ipv4/payload_cmsg_go1_8.go b/vendor/golang.org/x/net/ipv4/payload_cmsg_go1_8.go
deleted file mode 100644
index 8d45599..0000000
--- a/vendor/golang.org/x/net/ipv4/payload_cmsg_go1_8.go
+++ /dev/null
@@ -1,59 +0,0 @@
-// 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 !js,!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
-}