#pragma once
#include <cstdint>

#pragma pack(push, 1)
struct PacketHeader {
    uint16_t size;
    uint16_t opcode;
    uint16_t flags;
    uint32_t request_id;
    uint64_t session_id;
};
#pragma pack(pop)

enum Opcodes : uint16_t {
    AUTH_REQUEST = 1,
    AUTH_RESPONSE = 2,
    REGISTER_REQUEST = 3,
    REGISTER_RESPONSE = 4,
    SERVER_LIST_REQUEST = 5,
    SERVER_LIST_RESPONSE = 6,
    HEARTBEAT = 7,
    ERROR = 8
};