yuzu_room: Remove dependency on core

1 files changed, 98 insertions, 0 deletions

diff --git a/src/network/announce_multiplayer_session.h b/src/network/announce_multiplayer_session.h
new file mode 100644
index 000000000..db790f7d2
--- /dev/null
+++ b/src/network/announce_multiplayer_session.h
@@ -0,0 +1,98 @@
+// SPDX-FileCopyrightText: Copyright 2017 Citra Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <atomic>
+#include <functional>
+#include <memory>
+#include <mutex>
+#include <set>
+#include <thread>
+#include "common/announce_multiplayer_room.h"
+#include "common/common_types.h"
+#include "common/thread.h"
+
+namespace Network {
+class Room;
+class RoomNetwork;
+} // namespace Network
+
+namespace Core {
+
+/**
+ * Instruments AnnounceMultiplayerRoom::Backend.
+ * Creates a thread that regularly updates the room information and submits them
+ * An async get of room information is also possible
+ */
+class AnnounceMultiplayerSession {
+public:
+    using CallbackHandle = std::shared_ptr<std::function<void(const WebService::WebResult&)>>;
+    AnnounceMultiplayerSession(Network::RoomNetwork& room_network_);
+    ~AnnounceMultiplayerSession();
+
+    /**
+     * Allows to bind a function that will get called if the announce encounters an error
+     * @param function The function that gets called
+     * @return A handle that can be used the unbind the function
+     */
+    CallbackHandle BindErrorCallback(std::function<void(const WebService::WebResult&)> function);
+
+    /**
+     * Unbind a function from the error callbacks
+     * @param handle The handle for the function that should get unbind
+     */
+    void UnbindErrorCallback(CallbackHandle handle);
+
+    /**
+     * Registers a room to web services
+     * @return The result of the registration attempt.
+     */
+    WebService::WebResult Register();
+
+    /**
+     * Starts the announce of a room to web services
+     */
+    void Start();
+
+    /**
+     * Stops the announce to web services
+     */
+    void Stop();
+
+    /**
+     *  Returns a list of all room information the backend got
+     * @param func A function that gets executed when the async get finished, e.g. a signal
+     * @return a list of rooms received from the web service
+     */
+    AnnounceMultiplayerRoom::RoomList GetRoomList();
+
+    /**
+     * Whether the announce session is still running
+     */
+    bool IsRunning() const;
+
+    /**
+     * Recreates the backend, updating the credentials.
+     * This can only be used when the announce session is not running.
+     */
+    void UpdateCredentials();
+
+private:
+    void UpdateBackendData(std::shared_ptr<Network::Room> room);
+    void AnnounceMultiplayerLoop();
+
+    Common::Event shutdown_event;
+    std::mutex callback_mutex;
+    std::set<CallbackHandle> error_callbacks;
+    std::unique_ptr<std::thread> announce_multiplayer_thread;
+
+    /// Backend interface that logs fields
+    std::unique_ptr<AnnounceMultiplayerRoom::Backend> backend;
+
+    std::atomic_bool registered = false; ///< Whether the room has been registered
+
+    Network::RoomNetwork& room_network;
+};
+
+} // namespace Core