56 lines
1.1 KiB
Go
56 lines
1.1 KiB
Go
package main
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import (
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"encoding/binary"
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"io"
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)
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const (
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RemoteGetState = uint32(0x01)
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RemoteHandleMutation = uint32(0x02)
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ResponseBody = uint32(0x03)
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RemoteGetStateReply = uint32(0x04)
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RemoteHandleMutationReply = uint32(0x05)
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)
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type CartPacket struct {
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Version uint32
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MessageType uint32
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DataLength uint64
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Id CartId
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}
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type Packet struct {
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Version uint32
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MessageType uint32
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DataLength uint64
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}
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func ReadPacket(conn io.Reader, packet *Packet) error {
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return binary.Read(conn, binary.LittleEndian, packet)
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}
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func ReadCartPacket(conn io.Reader, packet *CartPacket) error {
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return binary.Read(conn, binary.LittleEndian, packet)
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}
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func GetPacketData(conn io.Reader, len uint64) ([]byte, error) {
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data := make([]byte, len)
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_, err := conn.Read(data)
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return data, err
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}
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func ReceivePacket(conn io.Reader) (uint32, []byte, error) {
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var packet Packet
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err := ReadPacket(conn, &packet)
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if err != nil {
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return 0, nil, err
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}
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data, err := GetPacketData(conn, packet.DataLength)
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if err != nil {
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return 0, nil, err
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}
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return packet.MessageType, data, nil
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}
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