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https://github.com/v2fly/v2ray-core.git
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49 lines
911 B
Go
49 lines
911 B
Go
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package packetconn
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import (
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"encoding/binary"
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"io"
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)
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func NewPacketBundle() PacketBundle {
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return &packetBundle{}
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}
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type packetBundle struct{}
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func (p *packetBundle) Overhead() int {
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return 2
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}
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func (p *packetBundle) WriteToBundle(b []byte, writer io.Writer) (err error) {
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err = binary.Write(writer, binary.BigEndian, uint16(len(b)))
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if err != nil {
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return
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}
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_, err = writer.Write(b)
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return
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}
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func (p *packetBundle) ReadFromBundle(writer io.Reader) (b []byte, err error) {
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var length uint16
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err = binary.Read(writer, binary.BigEndian, &length)
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if err != nil {
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return
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}
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b = make([]byte, length)
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n, err := io.ReadFull(writer, b)
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if err != nil {
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return
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}
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if n != int(length) {
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return nil, io.ErrUnexpectedEOF
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}
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return
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}
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type PacketBundle interface {
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Overhead() int
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WriteToBundle(b []byte, writer io.Writer) (err error)
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ReadFromBundle(writer io.Reader) (b []byte, err error)
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}
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