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deadvey
2026-05-31 13:12:37 +01:00
parent 14a16aa89f
commit 1f9bdb3ac0
4 changed files with 121 additions and 61 deletions
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.pingscores.json.swp
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pingscores.json
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@@ -1 +0,0 @@
{"error":[0,60],"anon":[15,10],"deadvey":[1129258,0]}
src/.main.rs.swp
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src/main.rs
+121 -60
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@@ -1,4 +1,5 @@
use std::{
use std::
{
collections::HashMap,
fs,
io::Write,
@@ -6,9 +7,11 @@ use std::{
sync::Arc,
};
use axum::{
use axum::
{
Router,
extract::{
extract::
{
State,
ws::{Message, WebSocket, WebSocketUpgrade},
},
@@ -19,31 +22,36 @@ use futures::StreamExt as _;
use rand::random_bool;
use serde::{Deserialize, Serialize, de};
use serde_json::json;
use tokio::{
use tokio::
{
sync::{Mutex, mpsc},
time::{Duration, sleep},
};
#[derive(Deserialize, Serialize, Debug, Ord, Eq, PartialEq, PartialOrd, Clone)]
struct Entry {
struct Entry
{
score: u32,
person: String,
}
#[derive(Clone)]
struct AppState {
struct AppState
{
tx: mpsc::Sender<LeaderboardUpdate>,
hiscores: Arc<Mutex<Vec<Entry>>>,
loscores: Arc<Mutex<Vec<Entry>>>,
pingscores: Arc<Mutex<HashMap<String, (u64, u32)>>>, // u64 is reset count and u32 is PB
}
struct LeaderboardUpdate {
struct LeaderboardUpdate
{
name: Arc<str>,
update: LeaderboardUpdateType,
}
enum LeaderboardUpdateType {
enum LeaderboardUpdateType
{
Reset { hiscore_pingscore: u32 },
Increment { loscore: u32 },
}
@@ -57,19 +65,25 @@ const PATH_PINGSCORES: &str = "pingscores.json";
const MAX_LEADERBOARD: usize = 20;
#[tokio::main]
async fn main() -> anyhow::Result<()> {
fn read_file<T: for<'de> de::Deserialize<'de>>(
async fn main() -> anyhow::Result<()>
{
fn read_file<T: for<'de> de::Deserialize<'de>>
(
file_path: &str,
) -> anyhow::Result<Arc<Mutex<T>>> {
)
-> anyhow::Result<Arc<Mutex<T>>>
{
let file_contents: String = fs::read_to_string(file_path)?;
Ok(Arc::new(Mutex::new(serde_json::from_str(&file_contents)?)))
}
/// Makes the vector at `vec` one with a capacity of exactly [`MAX_LEADERBOARD`] if `vec` is
/// smaller or equal.
fn exact_leaderboard<T>(mut vec: impl DerefMut<Target = Vec<T>>) {
fn exact_leaderboard<T>(mut vec: impl DerefMut<Target = Vec<T>>)
{
let old_vec = std::mem::replace(&mut *vec, Vec::with_capacity(MAX_LEADERBOARD));
for e in old_vec {
for e in old_vec
{
vec.push(e);
}
}
@@ -81,20 +95,22 @@ async fn main() -> anyhow::Result<()> {
let pingscores: Arc<Mutex<HashMap<String, (u64, u32)>>> = read_file(PATH_PINGSCORES)?;
let (tx, rx) = mpsc::channel::<LeaderboardUpdate>(1024);
{
let (hiscores, loscores, pingscores) =
(hiscores.clone(), loscores.clone(), pingscores.clone());
tokio::spawn(async move {
tokio::spawn
(async move {
handle_hiscores(rx, &hiscores, &loscores, &pingscores).await;
});
}
{
let pingscores = pingscores.clone();
tokio::spawn(async move {
tokio::spawn
(async move {
// write pingscores every 30s
loop {
loop
{
sleep(Duration::from_secs(30)).await;
let pingscores = pingscores.lock().await;
let file_contents: String = serde_json::to_string(&pingscores.clone())
@@ -116,7 +132,8 @@ async fn main() -> anyhow::Result<()> {
.route("/", get(index))
.route("/ws", get(ws_handler))
.route("/leaderboard", get(leaderboard))
.with_state(AppState {
.with_state
(AppState {
tx,
hiscores: Arc::clone(&hiscores),
loscores: Arc::clone(&loscores),
@@ -132,40 +149,50 @@ async fn main() -> anyhow::Result<()> {
Ok(())
}
async fn index() -> Html<&'static str> {
async fn index() -> Html<&'static str>
{
Html(include_str!("../index.html"))
}
async fn leaderboard() -> Html<&'static str> {
async fn leaderboard() -> Html<&'static str>
{
Html(include_str!("../leaderboard.html"))
}
// receiver: 0 for hiscore, 1 for loscore, 2 for pingscore
async fn handle_hiscores(
async fn handle_hiscores
(
mut rx: mpsc::Receiver<LeaderboardUpdate>,
hiscores: &Mutex<Vec<Entry>>,
loscores: &Mutex<Vec<Entry>>,
pingscores: &Mutex<HashMap<String, (u64, u32)>>,
) {
fn update_scoretable<G: Deref<Target = Vec<Entry>> + DerefMut>(
)
{
fn update_scoretable<G: Deref<Target = Vec<Entry>> + DerefMut>
(
score_name: &str,
mut scoretable_lock: G,
name: &str,
score: u32,
file_path: &str,
) -> anyhow::Result<()> {
)
-> anyhow::Result<()>
{
let scoretable = &mut *scoretable_lock;
if let Some(index_to_insert_at) = scoretable.iter().position(|e| score > e.score) {
if let Some(index_to_insert_at) = scoretable.iter().position(|e| score > e.score)
{
println!("New {score_name} {score} by {name}");
scoretable[index_to_insert_at..].rotate_right(1);
let push_out = std::mem::replace(
let push_out = std::mem::replace
(
&mut scoretable[index_to_insert_at],
Entry {
Entry
{
score,
person: name.to_string(),
},
);
if scoretable.len() < MAX_LEADERBOARD {
if scoretable.len() < MAX_LEADERBOARD
{
scoretable.push(push_out);
}
@@ -177,9 +204,12 @@ async fn handle_hiscores(
.open(file_path)?;
file.write_all(file_contents.as_bytes())?;
file.flush()?;
} else if scoretable.len() < MAX_LEADERBOARD {
}
else if scoretable.len() < MAX_LEADERBOARD
{
println!("New {score_name} {score} by {name}");
scoretable.push(Entry {
scoretable.push
(Entry {
score,
person: name.to_string(),
});
@@ -204,13 +234,17 @@ async fn handle_hiscores(
.expect("failed to write hiscores");
drop(file);
loop {
loop
{
let LeaderboardUpdate { name, update } = rx.recv().await.expect("channel error");
match update {
LeaderboardUpdateType::Reset { hiscore_pingscore } => {
match update
{
LeaderboardUpdateType::Reset { hiscore_pingscore } =>
{
// Hiscore
update_scoretable(
update_scoretable
(
"hiscore",
hiscores.lock().await,
&name,
@@ -222,7 +256,8 @@ async fn handle_hiscores(
// Pingscore
let mut pingscores = pingscores.lock().await;
// pb
if hiscore_pingscore > pingscores.get(&*name).unwrap_or(&(0, 0)).1 {
if hiscore_pingscore > pingscores.get(&*name).unwrap_or(&(0, 0)).1
{
pingscores.entry(name.to_string()).or_insert((0, 0)).1 = hiscore_pingscore;
println!("{name} new PB: {hiscore_pingscore}");
}
@@ -230,8 +265,10 @@ async fn handle_hiscores(
drop(pingscores);
}
LeaderboardUpdateType::Increment { loscore } => {
update_scoretable(
LeaderboardUpdateType::Increment { loscore } =>
{
update_scoretable
(
"loscore",
loscores.lock().await,
&name,
@@ -244,9 +281,17 @@ async fn handle_hiscores(
}
}
async fn ws_handler(ws: WebSocketUpgrade, State(state): State<AppState>) -> impl IntoResponse {
ws.on_upgrade(|socket| async move {
handle_socket(
async fn ws_handler
(
ws: WebSocketUpgrade,
State(state): State<AppState>
)
-> impl IntoResponse
{
ws.on_upgrade
(|socket| async move {
handle_socket
(
socket,
&state.tx,
&state.hiscores,
@@ -257,17 +302,20 @@ async fn ws_handler(ws: WebSocketUpgrade, State(state): State<AppState>) -> impl
})
}
async fn handle_socket(
async fn handle_socket
(
mut socket: WebSocket,
tx: &mpsc::Sender<LeaderboardUpdate>,
hiscores: &Mutex<Vec<Entry>>,
loscores: &Mutex<Vec<Entry>>,
pingscores: &Mutex<HashMap<String, (u64, u32)>>,
) {
)
{
let mut value: u32 = 0;
let msg = {
json!({
let msg =
{
json!
({
"hiscores": &*hiscores.lock().await,
"loscores": &*loscores.lock().await,
"pingscores": &*pingscores.lock().await
@@ -275,11 +323,13 @@ async fn handle_socket(
.to_string()
};
let Some(name) = socket.next().await else {
let Some(name) = socket.next().await else
{
eprintln!("user gave no username");
return;
};
let name: Arc<str> = match name.expect("failed to recv socket msg") {
let name: Arc<str> = match name.expect("failed to recv socket msg")
{
Message::Text(text)
if let text = text.to_string()
&& validate_name(&text) =>
@@ -296,15 +346,22 @@ async fn handle_socket(
let _ = socket.send(Message::Text(msg.into())).await;
while let Some(msg) = socket.next().await {
match msg {
Ok(Message::Text(_)) => {
if random_bool(CHANCE) {
while let Some(msg) = socket.next().await
{
match msg
{
Ok(Message::Text(_)) =>
{
// 1/3 chance of failing
if random_bool(CHANCE)
{
// reset
let _ = tx
.send(LeaderboardUpdate {
.send(LeaderboardUpdate
{
name: name.clone(),
update: LeaderboardUpdateType::Reset {
update: LeaderboardUpdateType::Reset
{
hiscore_pingscore: value,
},
})
@@ -312,12 +369,14 @@ async fn handle_socket(
resets += 1;
value = 0;
}
// 1/3 chance of failing
else {
else
{
value += 1;
if prev == 0 {
if prev == 0
{
let _ = tx
.send(LeaderboardUpdate {
.send
(LeaderboardUpdate {
name: name.clone(),
update: LeaderboardUpdateType::Increment { loscore: resets },
})
@@ -329,7 +388,8 @@ async fn handle_socket(
prev = value;
}
Ok(Message::Close(_)) => {
Ok(Message::Close(_)) =>
{
break;
}
@@ -342,7 +402,8 @@ fn validate_name(input: &str) -> bool {
let input = input.trim();
// Length check
if input.is_empty() || input.len() > 32 {
if input.is_empty() || input.len() > 32
{
return false;
}