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40 lines
1.4 KiB
Go
Vendored
40 lines
1.4 KiB
Go
Vendored
// Copyright 2013 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !zos
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// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!zos
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package ipv6
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import "net"
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// ReadFrom reads a payload of the received IPv6 datagram, from the
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// endpoint c, copying the payload into b. It returns the number of
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// bytes copied into b, the control message cm and the source address
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// src of the received datagram.
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func (c *payloadHandler) ReadFrom(b []byte) (n int, cm *ControlMessage, src net.Addr, err error) {
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if !c.ok() {
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return 0, nil, nil, errInvalidConn
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}
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if n, src, err = c.PacketConn.ReadFrom(b); err != nil {
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return 0, nil, nil, err
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}
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return
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}
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// WriteTo writes a payload of the IPv6 datagram, to the destination
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// address dst through the endpoint c, copying the payload from b. It
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// returns the number of bytes written. The control message cm allows
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// the IPv6 header fields and the datagram path to be specified. The
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// cm may be nil if control of the outgoing datagram is not required.
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func (c *payloadHandler) WriteTo(b []byte, cm *ControlMessage, dst net.Addr) (n int, err error) {
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if !c.ok() {
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return 0, errInvalidConn
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}
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if dst == nil {
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return 0, errMissingAddress
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}
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return c.PacketConn.WriteTo(b, dst)
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}
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