golang 自定义封包协议(转的)
package protocolimport (
"bytes"
"encoding/binary"
)
const (
ConstHeader = "jackluo"
ConstHeaderLength = 7
ConstSaveDataLength = 4
)
//封包
func Packet(message []byte) []byte {
return append(append([]byte(ConstHeader), IntToBytes(len(message))...), message...)
}
//解包
func Unpack(buffer []byte, readerChannel chan []byte) []byte {
length := len(buffer)
var i int
for i = 0; i < length; i = i + 1 {
if length < i+ConstHeaderLength+ConstSaveDataLength {
break
}
if string(buffer) == ConstHeader {
messageLength := BytesToInt(buffer)
if length < i+ConstHeaderLength+ConstSaveDataLength+messageLength {
break
}
data := buffer
readerChannel
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