feat: refactor prudp code and start working on refactoring rmc

src/nex-implementation/matchmake_extension/method_get_playing_session.rs

@@ -0,0 +1,34 @@
+use std::io::Cursor;
+use std::sync::Arc;
+use log::info;
+use tokio::sync::{Mutex, RwLock};
+use crate::protocols::matchmake_common::MatchmakeData;
+use crate::rmc::message::RMCMessage;
+use crate::rmc::response::{ErrorCode, RMCResponseResult};
+use crate::rmc::structures::RmcSerialize;
+
+type PIDList = Vec<u32>;
+
+async fn get_playing_session(rmcmessage: &RMCMessage, _data: Arc<RwLock<MatchmakeData>>) -> RMCResponseResult {
+    //todo: propperly implement this
+
+    let cheeseburger = PIDList::new();
+
+    let mut vec = Vec::new();
+
+    cheeseburger.serialize(&mut vec).expect("somehow unable to write cheeseburger");
+
+    rmcmessage.success_with_data(vec)
+}
+
+pub async fn get_playing_session_raw_params(rmcmessage: &RMCMessage, _: &Arc<SocketData>, _: &Arc<Mutex<ConnectionData>>, data: Arc<RwLock<MatchmakeData>>) -> RMCResponseResult{
+    let mut reader = Cursor::new(&rmcmessage.rest_of_data);
+
+    let Ok(list) = PIDList::deserialize(&mut reader) else {
+        return rmcmessage.error_result_with_code(ErrorCode::FPD_FriendNotExists);
+    };
+
+    info!("get_playing_session got called with {:?}", list);
+
+    get_playing_session(rmcmessage, data).await
+}