diff options
Diffstat (limited to 'Godeps/_workspace/src/code.google.com/p/go.net/ipv6/payload_cmsg.go')
-rw-r--r-- | Godeps/_workspace/src/code.google.com/p/go.net/ipv6/payload_cmsg.go | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/Godeps/_workspace/src/code.google.com/p/go.net/ipv6/payload_cmsg.go b/Godeps/_workspace/src/code.google.com/p/go.net/ipv6/payload_cmsg.go deleted file mode 100644 index 658467a6ca..0000000000 --- a/Godeps/_workspace/src/code.google.com/p/go.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. - -// +build !plan9,!windows - -package ipv6 - -import ( - "net" - "syscall" -) - -// 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, syscall.EINVAL - } - oob := newControlMessage(&c.rawOpt) - var oobn int - switch c := c.PacketConn.(type) { - case *net.UDPConn: - if n, oobn, _, src, err = c.ReadMsgUDP(b, oob); err != nil { - return 0, nil, nil, err - } - case *net.IPConn: - if n, oobn, _, src, err = c.ReadMsgIP(b, oob); err != nil { - return 0, nil, nil, err - } - default: - return 0, nil, nil, errInvalidConnType - } - if cm, err = parseControlMessage(oob[:oobn]); err != nil { - return 0, nil, nil, err - } - if cm != nil { - cm.Src = netAddrToIP16(src) - } - return -} - -// 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, syscall.EINVAL - } - oob := marshalControlMessage(cm) - if dst == nil { - return 0, 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, errInvalidConnType - } - if err != nil { - return 0, err - } - return -} |