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50 lines
1.3 KiB
Go
50 lines
1.3 KiB
Go
package sctp
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import (
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"github.com/pkg/errors"
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)
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/*
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CookieEcho represents an SCTP Chunk of type CookieEcho
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0 1 2 3
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0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Type = 10 |Chunk Flags | Length |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Cookie |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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*/
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type CookieEcho struct {
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ChunkHeader
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Cookie []byte
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}
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// Unmarshal populates a CookieEcho Chunk from a byte slice
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func (c *CookieEcho) Unmarshal(raw []byte) error {
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if err := c.ChunkHeader.Unmarshal(raw); err != nil {
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return err
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}
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if c.typ != COOKIEECHO {
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return errors.Errorf("ChunkType is not of type COOKIEECHO, actually is %s", c.typ.String())
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}
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c.Cookie = raw[chunkHeaderSize:]
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return nil
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}
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// Marshal generates raw data from a CookieEcho struct
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func (c *CookieEcho) Marshal() ([]byte, error) {
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c.ChunkHeader.typ = COOKIEECHO
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c.ChunkHeader.raw = c.Cookie
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return c.ChunkHeader.Marshal()
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}
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// Check asserts the validity of this structs values
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func (c *CookieEcho) Check() (abort bool, err error) {
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return false, nil
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}
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