codec

package
v0.4.0 Latest Latest
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Published: Dec 10, 2018 License: MIT Imports: 3 Imported by: 0

Documentation

Index

Constants

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const (
	HeadLength    = 4
	MaxPacketSize = 64 * 1024
)

Codec constants.

Variables

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var ErrPacketSizeExcced = errors.New("codec: packet size exceed")

ErrPacketSizeExcced is the error used for encode/decode.

Functions

func Encode

func Encode(typ packet.Type, data []byte) ([]byte, error)

Encode create a packet.Packet from the raw bytes slice and then encode to network bytes slice Protocol refs: https://github.com/NetEase/pomelo/wiki/Communication-Protocol

-<type>-|--------<length>--------|-<data>- --------|------------------------|-------- 1 byte packet type, 3 bytes packet data length(big end), and data segment

Types

type Decoder

type Decoder struct {
	// contains filtered or unexported fields
}

A Decoder reads and decodes network data slice

func NewDecoder

func NewDecoder() *Decoder

NewDecoder returns a new decoder that used for decode network bytes slice.

func (*Decoder) Decode

func (c *Decoder) Decode(data []byte) ([]*packet.Packet, error)

Decode decode the network bytes slice to packet.Packet(s) TODO(Warning): shared slice

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