mirror of https://github.com/v2ray/v2ray-core
38 lines
800 B
Go
38 lines
800 B
Go
// Package vmess contains protocol definition, io lib for VMess.
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package vmess
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import (
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"fmt"
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"io"
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)
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// VMessInput implements the input message of VMess protocol. It only contains
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// the header of a input message. The data part will be handled by conection
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// handler directly, in favor of data streaming.
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type VMessInput struct {
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version byte
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userHash [16]byte
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randHash [256]byte
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respKey [32]byte
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iv [16]byte
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command byte
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port uint16
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target [256]byte
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}
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func Read(reader io.Reader) (input *VMessInput, err error) {
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buffer := make([]byte, 17 /* version + user hash */)
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nBytes, err := reader.Read(buffer)
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if err != nil {
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return
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}
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if nBytes != len(buffer) {
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err = fmt.Errorf("Unexpected length of header %d", nBytes)
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return
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}
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return
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}
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type VMessOutput [4]byte
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