33 lines
1.1 KiB
Go
33 lines
1.1 KiB
Go
// 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 !js,!nacl,!plan9,!windows
|
|
|
|
package ipv6
|
|
|
|
import "net"
|
|
|
|
// 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
|
|
}
|
|
return c.readFrom(b)
|
|
}
|
|
|
|
// 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
|
|
}
|
|
return c.writeTo(b, cm, dst)
|
|
}
|