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35 lines
1.1 KiB
35 lines
1.1 KiB
// 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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// +build !nacl,!plan9,!windows |
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package ipv6 |
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import ( |
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"net" |
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"syscall" |
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) |
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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, syscall.EINVAL |
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} |
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return c.readFrom(b) |
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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, syscall.EINVAL |
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} |
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return c.writeTo(b, cm, dst) |
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}
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