fully implement KeepAlive behavior

src/server/systems/DisconnectSystem.cpp

@@ -0,0 +1,25 @@
+#include <server/systems/DisconnectSystem.h>
+
+#include <server/components/Disconnect.h>
+#include <server/components/EnetConnection.h>
+
+#include <server/Server.h>
+
+namespace blitz {
+namespace server {
+
+DisconectSystem::DisconectSystem(entt::registry& a_Registry, Server& a_Server) : m_Registry(a_Registry), m_Server(a_Server) {}
+
+void DisconectSystem::Update(Nz::Time elapsedTime) {
+	m_Registry.view<EnetConnectionComponent, DisconnectComponent>().each(
+		[this](auto entity, EnetConnectionComponent& connection, DisconnectComponent disconnect) {
+			m_Server.CloseConnection(connection.m_Connection->GetPeerId());
+		});
+
+	// remove the entities
+	auto it = m_Registry.view<DisconnectComponent>();
+	m_Registry.destroy(it.begin(), it.end());
+}
+
+}  // namespace server
+}  // namespace blitz