diff options
Diffstat (limited to 'vendor/golang.org/x/net/ipv6/payload_cmsg.go')
-rw-r--r-- | vendor/golang.org/x/net/ipv6/payload_cmsg.go | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/vendor/golang.org/x/net/ipv6/payload_cmsg.go b/vendor/golang.org/x/net/ipv6/payload_cmsg.go deleted file mode 100644 index be04e4d6a..000000000 --- a/vendor/golang.org/x/net/ipv6/payload_cmsg.go +++ /dev/null @@ -1,70 +0,0 @@ -// Copyright 2013 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. - -//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos - -package ipv6 - -import ( - "net" - - "golang.org/x/net/internal/socket" -) - -// ReadFrom reads a payload of the received IPv6 datagram, from the -// endpoint c, copying the payload into b. It returns the number of -// bytes copied into b, the control message cm and the source address -// src of the received datagram. -func (c *payloadHandler) ReadFrom(b []byte) (n int, cm *ControlMessage, src net.Addr, err error) { - if !c.ok() { - return 0, nil, nil, errInvalidConn - } - 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} - } - 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 -} - -// WriteTo writes a payload of the IPv6 datagram, to the destination -// address dst through the endpoint c, copying the payload from b. It -// returns the number of bytes written. The control message cm allows -// the IPv6 header fields and the datagram path to be specified. The -// cm may be nil if control of the outgoing datagram is not required. -func (c *payloadHandler) WriteTo(b []byte, cm *ControlMessage, dst net.Addr) (n int, err error) { - if !c.ok() { - return 0, errInvalidConn - } - 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 -} |