Added missing parts in libnetwork (#2838)

* Network: Set and send the game information over enet

Added Callbacks for RoomMember and GetMemberList to Room in preparation for web_services.

src/network/room_member.h

@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include <functional>
 #include <memory>
 #include <string>
 #include <vector>
@@ -53,12 +54,23 @@ public:
 
     struct MemberInformation {
         std::string nickname;   ///< Nickname of the member.
-        std::string game_name;  ///< Name of the game they're currently playing, or empty if they're
+        GameInfo game_info;     ///< Name of the game they're currently playing, or empty if they're
                                 /// not playing anything.
         MacAddress mac_address; ///< MAC address associated with this member.
     };
     using MemberList = std::vector<MemberInformation>;
 
+    // The handle for the callback functions
+    template <typename T>
+    using CallbackHandle = std::shared_ptr<std::function<void(const T&)>>;
+
+    /**
+     * Unbinds a callback function from the events.
+     * @param handle The connection handle to disconnect
+     */
+    template <typename T>
+    void Unbind(CallbackHandle<T> handle);
+
     RoomMember();
     ~RoomMember();
 
@@ -113,10 +125,49 @@ public:
     void SendChatMessage(const std::string& message);
 
     /**
-     * Sends the current game name  to the room.
-     * @param game_name The game name.
+     * Sends the current game info to the room.
+     * @param game_info The game information.
      */
-    void SendGameName(const std::string& game_name);
+    void SendGameInfo(const GameInfo& game_info);
+
+    /**
+     * Binds a function to an event that will be triggered every time the State of the member
+     * changed. The function wil be called every time the event is triggered. The callback function
+     * must not bind or unbind a function. Doing so will cause a deadlock
+     * @param callback The function to call
+     * @return A handle used for removing the function from the registered list
+     */
+    CallbackHandle<State> BindOnStateChanged(std::function<void(const State&)> callback);
+
+    /**
+     * Binds a function to an event that will be triggered every time a WifiPacket is received.
+     * The function wil be called everytime the event is triggered.
+     * The callback function must not bind or unbind a function. Doing so will cause a deadlock
+     * @param callback The function to call
+     * @return A handle used for removing the function from the registered list
+     */
+    CallbackHandle<WifiPacket> BindOnWifiPacketReceived(
+        std::function<void(const WifiPacket&)> callback);
+
+    /**
+     * Binds a function to an event that will be triggered every time the RoomInformation changes.
+     * The function wil be called every time the event is triggered.
+     * The callback function must not bind or unbind a function. Doing so will cause a deadlock
+     * @param callback The function to call
+     * @return A handle used for removing the function from the registered list
+     */
+    CallbackHandle<RoomInformation> BindOnRoomInformationChanged(
+        std::function<void(const RoomInformation&)> callback);
+
+    /**
+     * Binds a function to an event that will be triggered every time a ChatMessage is received.
+     * The function wil be called every time the event is triggered.
+     * The callback function must not bind or unbind a function. Doing so will cause a deadlock
+     * @param callback The function to call
+     * @return A handle used for removing the function from the registered list
+     */
+    CallbackHandle<ChatEntry> BindOnChatMessageRecieved(
+        std::function<void(const ChatEntry&)> callback);
 
     /**
      * Leaves the current room.