143 lines
4.5 KiB
C++
143 lines
4.5 KiB
C++
// Copyright 2017 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <array>
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#include <functional>
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#include <future>
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#include <string>
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#include <vector>
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#include "common/common_types.h"
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namespace Common {
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struct WebResult {
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enum class Code : u32 {
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Success,
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InvalidURL,
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CredentialsMissing,
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LibError,
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HttpError,
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WrongContent,
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NoWebservice,
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};
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Code result_code;
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std::string result_string;
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};
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} // namespace Common
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namespace AnnounceMultiplayerRoom {
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using MacAddress = std::array<u8, 6>;
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struct Room {
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struct Member {
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std::string name;
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MacAddress mac_address;
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std::string game_name;
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u64 game_id;
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};
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std::string name;
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std::string UID;
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std::string owner;
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std::string ip;
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u16 port;
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u32 max_player;
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u32 net_version;
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bool has_password;
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std::string preferred_game;
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u64 preferred_game_id;
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std::vector<Member> members;
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};
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using RoomList = std::vector<Room>;
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/**
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* A AnnounceMultiplayerRoom interface class. A backend to submit/get to/from a web service should
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* implement this interface.
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*/
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class Backend : NonCopyable {
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public:
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virtual ~Backend() = default;
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/**
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* Sets the Information that gets used for the announce
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* @param uid The Id of the room
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* @param name The name of the room
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* @param port The port of the room
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* @param net_version The version of the libNetwork that gets used
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* @param has_password True if the room is passowrd protected
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* @param preferred_game The preferred game of the room
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* @param preferred_game_id The title id of the preferred game
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*/
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virtual void SetRoomInformation(const std::string& uid, const std::string& name, const u16 port,
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const u32 max_player, const u32 net_version,
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const bool has_password, const std::string& preferred_game,
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const u64 preferred_game_id) = 0;
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/**
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* Adds a player information to the data that gets announced
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* @param nickname The nickname of the player
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* @param mac_address The MAC Address of the player
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* @param game_id The title id of the game the player plays
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* @param game_name The name of the game the player plays
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*/
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virtual void AddPlayer(const std::string& nickname, const MacAddress& mac_address,
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const u64 game_id, const std::string& game_name) = 0;
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/**
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* Send the data to the announce service
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* @result The result of the announce attempt
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*/
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virtual std::future<Common::WebResult> Announce() = 0;
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/**
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* Empties the stored players
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*/
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virtual void ClearPlayers() = 0;
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/**
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* Get the room information from the announce service
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* @param func a function that gets exectued when the get finished.
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* Can be used as a callback
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* @result A list of all rooms the announce service has
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*/
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virtual std::future<RoomList> GetRoomList(std::function<void()> func) = 0;
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/**
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* Sends a delete message to the announce service
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*/
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virtual void Delete() = 0;
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};
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/**
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* Empty implementation of AnnounceMultiplayerRoom interface that drops all data. Used when a
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* functional backend implementation is not available.
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*/
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class NullBackend : public Backend {
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public:
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~NullBackend() = default;
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void SetRoomInformation(const std::string& /*uid*/, const std::string& /*name*/,
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const u16 /*port*/, const u32 /*max_player*/, const u32 /*net_version*/,
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const bool /*has_password*/, const std::string& /*preferred_game*/,
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const u64 /*preferred_game_id*/) override {}
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void AddPlayer(const std::string& /*nickname*/, const MacAddress& /*mac_address*/,
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const u64 /*game_id*/, const std::string& /*game_name*/) override {}
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std::future<Common::WebResult> Announce() override {
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return std::async(std::launch::deferred, []() {
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return Common::WebResult{Common::WebResult::Code::NoWebservice,
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"WebService is missing"};
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});
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}
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void ClearPlayers() override {}
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std::future<RoomList> GetRoomList(std::function<void()> func) override {
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return std::async(std::launch::deferred, [func]() {
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func();
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return RoomList{};
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});
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}
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void Delete() override {}
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};
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} // namespace AnnounceMultiplayerRoom
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