nim/common/protocol_def.h

#pragma once

#include <cstdint>

namespace im {

// Client / Server 共用的协议常量。编解码、JSON、网络实现仍各放各工程。

enum class Type : uint16_t {
    System  = 1,  // 心跳、被踢等
    Account = 2,  // 登录/注册/密码/隐私
    Friend  = 3,  // 好友
    Message = 4,  // 会话与聊天
    Sticker = 5,  // 表情包
};

enum class Cmd : uint16_t {
    Heartbeat            = 1,
    Login                = 2,
    Logout               = 3,
    Chat                 = 4,
    Register             = 5,
    SendCode             = 6,
    ResetPassword        = 7,
    ChangePassword       = 8,
    FriendList           = 9,
    ConvList             = 10,
    MsgHistory           = 11,
    AddFriend            = 12,
    SetLang              = 13,
    SearchUser           = 14,
    FriendRequestList    = 15,
    HandleFriendRequest  = 16,
    GetPrivacy           = 17,
    SetPrivacy           = 18,
    StickerPackList      = 19,
    StickerPack          = 20,
    GetSticker           = 21,
    DeleteConv           = 22,
    SetUnread            = 23,
    DeleteFriend         = 24,
    SetRemark            = 25,
    GetProfile           = 26,
    SetProfile           = 27,
    GetAvatar            = 28,
    PutFile              = 29,
    GetFile              = 30,
    ChatNotify           = 100,
    Kicked               = 101,
    FriendRequestNotify  = 102,
    FriendAcceptedNotify = 103,
};

namespace Err {
constexpr int Ok          = 0;
constexpr int BadParam    = 1;
constexpr int NotLogin    = 2;
constexpr int AuthFail    = 3;
constexpr int NotFound    = 4;
constexpr int Exists      = 5;
constexpr int PhoneExists = 6;
constexpr int BadSms      = 7;
constexpr int WeakPass    = 8;
constexpr int Forbidden   = 9;
constexpr int DbError     = 10;
constexpr int BadAccount  = 11;
constexpr int RateLimit   = 12;
constexpr int Disabled    = 13;
}  // namespace Err

namespace MsgType {
constexpr int Text    = 1;
constexpr int Sticker = 2;
constexpr int File    = 3;
constexpr int Card    = 4;
}

namespace FriendRel {
constexpr int None     = 0;  // 非好友
constexpr int Pending  = 1;  // 已发出申请，待对方同意
constexpr int Friend   = 2;  // 已是好友
constexpr int Incoming = 3;  // 对方已申请加我
}

constexpr uint32_t kHeaderSize = 12;
constexpr int64_t kFileHelperUid = 1;

inline const char* type_name(uint16_t type)
{
    switch (static_cast<Type>(type)) {
    case Type::System:  return "System";
    case Type::Account: return "Account";
    case Type::Friend:  return "Friend";
    case Type::Message: return "Message";
    case Type::Sticker: return "Sticker";
    }
    return "?";
}

inline const char* cmd_name(uint16_t cmd)
{
    switch (static_cast<Cmd>(cmd)) {
    case Cmd::Heartbeat:            return "Heartbeat";
    case Cmd::Login:                return "Login";
    case Cmd::Logout:               return "Logout";
    case Cmd::Chat:                 return "Chat";
    case Cmd::Register:             return "Register";
    case Cmd::SendCode:             return "SendCode";
    case Cmd::ResetPassword:        return "ResetPassword";
    case Cmd::ChangePassword:       return "ChangePassword";
    case Cmd::FriendList:           return "FriendList";
    case Cmd::ConvList:             return "ConvList";
    case Cmd::MsgHistory:           return "MsgHistory";
    case Cmd::AddFriend:            return "AddFriend";
    case Cmd::SetLang:              return "SetLang";
    case Cmd::SearchUser:           return "SearchUser";
    case Cmd::FriendRequestList:    return "FriendRequestList";
    case Cmd::HandleFriendRequest:  return "HandleFriendRequest";
    case Cmd::GetPrivacy:           return "GetPrivacy";
    case Cmd::SetPrivacy:           return "SetPrivacy";
    case Cmd::StickerPackList:      return "StickerPackList";
    case Cmd::StickerPack:          return "StickerPack";
    case Cmd::GetSticker:           return "GetSticker";
    case Cmd::DeleteConv:           return "DeleteConv";
    case Cmd::SetUnread:            return "SetUnread";
    case Cmd::DeleteFriend:         return "DeleteFriend";
    case Cmd::SetRemark:            return "SetRemark";
    case Cmd::GetProfile:           return "GetProfile";
    case Cmd::SetProfile:           return "SetProfile";
    case Cmd::GetAvatar:            return "GetAvatar";
    case Cmd::PutFile:              return "PutFile";
    case Cmd::GetFile:              return "GetFile";
    case Cmd::ChatNotify:           return "ChatNotify";
    case Cmd::Kicked:               return "Kicked";
    case Cmd::FriendRequestNotify:  return "FriendRequestNotify";
    case Cmd::FriendAcceptedNotify: return "FriendAcceptedNotify";
    }
    return "?";
}

}  // namespace im