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+ "wasm-bindgen-macro",
+]
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+ "log",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wasm-bindgen-shared",
+]
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+]
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+]
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+]
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--- /dev/null
+[package]
+name = "pokerwave"
+version = "0.1.0"
+authors = ["Geoffrey Allott <geoffrey@allott.email>"]
+edition = "2018"
+
+[dependencies]
+async-std = { version = "1", features = ["attributes"] }
+env_logger = "0.8"
+log = "0.4"
+futures = "0.3"
+rand = "0.8"
+redis = { version = "0.19", features = ["async-std-comp"] }
+serde = "1"
+serde_derive = "1"
+serde_json = "1"
+signal-hook = "0.3"
+signal-hook-async-std = "0.2"
+tide = { version = "0.16.0", default-features = false, features = ["h1-server"] }
+tide-rustls = "0.2"
+tide-websockets = { git = "https://github.com/http-rs/tide-websockets", branch = "main" }
--- /dev/null
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+-----END CERTIFICATE-----
--- /dev/null
+-----BEGIN PRIVATE KEY-----
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+-----END PRIVATE KEY-----
--- /dev/null
+<!doctype html>
+<html>
+ <head>
+ <meta charset="utf-8" />
+ </head>
+ <body>
+ <h1>404 Not Found</h1>
+ </body>
+</html>
--- /dev/null
+<!doctype html>
+<html>
+ <head>
+ <meta charset="utf-8" />
+ <script src="main.js"></script>
+ </head>
+ <body>
+ <h1>Pokerwave</h1>
+ </body>
+</html>
--- /dev/null
+"use strict";
+
+var socket;
+
+function socket_open() {
+ let proto = window.location.protocol === "https:" ? "wss:" : "ws:";
+ let uri = proto + "//" + window.location.host + "/api";
+ socket = new WebSocket(uri);
+ socket.onopen = socket_onopen;
+ socket.onmessage = socket_onmessage;
+}
+
+function socket_onopen() {
+ console.log("WebSocket connected");
+ socket_send({type: "Login", username: "geoff"});
+}
+
+function socket_send(object) {
+ console.log(">>", object);
+ socket.send(JSON.stringify(object));
+}
+
+function socket_onmessage(msg) {
+ var message = JSON.parse(msg.data);
+ console.log("<<", message);
+ switch (message.type) {
+ case "LoginAuthChallenge":
+ socket_send({type: "LoginAuthResponse", signature: "hunter2"});
+ break;
+ }
+}
+
+window.onload = function() {
+ socket_open();
+};
--- /dev/null
+use crate::auth::Auth;
+use crate::game::{Action, Game, GameSettings, GameSummary, UserAction};
+
+#[derive(Debug, Clone, Deserialize)]
+enum Scope {
+ Global,
+ Game { id: u32 },
+ Hand { id: u32 },
+ Player { username: String },
+}
+
+#[derive(Debug, Clone, Deserialize)]
+#[serde(tag = "type")]
+pub enum ClientMessage {
+ CreateUser { username: String, auth: Auth, nickname: String },
+ Login { username: String },
+ LoginAuthResponse { signature: String },
+ ChangeAuth { auth: Auth },
+ ChangeNickname { nickname: String },
+ Logout,
+ CreateGame { settings: GameSettings },
+ GetGameList { tags: Vec<String> },
+ JoinGame { id: u32 },
+ TakeAction { action: Action },
+ SendMessage { scope: Scope, message: String },
+ LeaveGame,
+ GetHandHistory { scope: Scope },
+}
+
+#[derive(Debug, Clone, Serialize)]
+#[serde(tag = "type")]
+pub enum ServerMessage {
+ CreateUserSuccess,
+ CreateUserFailure { reason: String },
+ LoginAuthChallenge { challenge: String },
+ LoginSuccess,
+ LoginFailure { reason: String },
+ ChangeAuthSuccess,
+ ChangeAuthFailure { reason: String },
+ ChangeNicknameSuccess,
+ ChangeNicknameFailure { reason: String },
+ LogoutSuccess,
+ CreateGameSuccess { id: u32 },
+ CreateGameFailure { reason: String },
+ GameList { games: Vec<GameSummary> },
+ GameListFailure { reason: String },
+ JoinGameSuccess { game: Game },
+ JoinGameFailure { reason: String },
+ NewAction { action: UserAction },
+ TakeActionSuccess,
+ TakeActionFailure { reason: String },
+ NewMessage { username: String, message: String },
+ LeaveGameSuccess,
+ LeaveGameFailure { reason: String },
+ HandHistory { games: Vec<Game> },
+ ProtocolError { reason: String },
+}
--- /dev/null
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(tag = "method")]
+pub enum Auth {
+ NoLogin,
+ Plain { password: String },
+}
+
+impl Auth {
+ pub fn verify(&self, challenge: &str, signature: &str) -> bool {
+ match self {
+ Auth::NoLogin => false,
+ Auth::Plain{password} => signature == password,
+ }
+ }
+}
--- /dev/null
+#![allow(non_upper_case_globals)]
+
+use std::fmt::{self, Display, Formatter};
+
+use self::Rank::*;
+use self::Suit::*;
+
+#[derive(Copy, Clone, PartialOrd, Ord, PartialEq, Eq, Debug, Serialize, Deserialize)]
+pub enum Rank {
+ Two = 2,
+ Three = 3,
+ Four = 4,
+ Five = 5,
+ Six = 6,
+ Seven = 7,
+ Eight = 8,
+ Nine = 9,
+ Ten = 10,
+ Jack = 11,
+ Queen = 12,
+ King = 13,
+ Ace = 14,
+}
+
+impl Display for Rank {
+ fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
+ f.write_str(match *self {
+ Two => "2",
+ Three => "3",
+ Four => "4",
+ Five => "5",
+ Six => "6",
+ Seven => "7",
+ Eight => "8",
+ Nine => "9",
+ Ten => "T",
+ Jack => "J",
+ Queen => "Q",
+ King => "K",
+ Ace => "A",
+ })
+ }
+}
+
+#[derive(Copy, Clone, PartialOrd, Ord, PartialEq, Eq, Debug, Serialize, Deserialize)]
+pub enum Suit {
+ Clubs,
+ Diamonds,
+ Hearts,
+ Spades,
+}
+
+impl Display for Suit {
+ fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
+ f.write_str(match *self {
+ Clubs => "♣",
+ Diamonds => "♢",
+ Hearts => "♡",
+ Spades => "â™ ",
+ })
+ }
+}
+
+#[derive(Copy, Clone, PartialOrd, Ord, PartialEq, Eq, Debug, Serialize, Deserialize)]
+pub struct Card {
+ pub rank: Rank,
+ pub suit: Suit,
+}
+
+impl Display for Card {
+ fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
+ write!(f, "{}{}", self.rank, self.suit)
+ }
+}
+
+pub const TwoOfClubs: Card = Card{rank: Two, suit: Clubs};
+pub const ThreeOfClubs: Card = Card{rank: Three, suit: Clubs};
+pub const FourOfClubs: Card = Card{rank: Four, suit: Clubs};
+pub const FiveOfClubs: Card = Card{rank: Five, suit: Clubs};
+pub const SixOfClubs: Card = Card{rank: Six, suit: Clubs};
+pub const SevenOfClubs: Card = Card{rank: Seven, suit: Clubs};
+pub const EightOfClubs: Card = Card{rank: Eight, suit: Clubs};
+pub const NineOfClubs: Card = Card{rank: Nine, suit: Clubs};
+pub const TenOfClubs: Card = Card{rank: Ten, suit: Clubs};
+pub const JackOfClubs: Card = Card{rank: Jack, suit: Clubs};
+pub const QueenOfClubs: Card = Card{rank: Queen, suit: Clubs};
+pub const KingOfClubs: Card = Card{rank: King, suit: Clubs};
+pub const AceOfClubs: Card = Card{rank: Ace, suit: Clubs};
+
+pub const TwoOfDiamonds: Card = Card{rank: Two, suit: Diamonds};
+pub const ThreeOfDiamonds: Card = Card{rank: Three, suit: Diamonds};
+pub const FourOfDiamonds: Card = Card{rank: Four, suit: Diamonds};
+pub const FiveOfDiamonds: Card = Card{rank: Five, suit: Diamonds};
+pub const SixOfDiamonds: Card = Card{rank: Six, suit: Diamonds};
+pub const SevenOfDiamonds: Card = Card{rank: Seven, suit: Diamonds};
+pub const EightOfDiamonds: Card = Card{rank: Eight, suit: Diamonds};
+pub const NineOfDiamonds: Card = Card{rank: Nine, suit: Diamonds};
+pub const TenOfDiamonds: Card = Card{rank: Ten, suit: Diamonds};
+pub const JackOfDiamonds: Card = Card{rank: Jack, suit: Diamonds};
+pub const QueenOfDiamonds: Card = Card{rank: Queen, suit: Diamonds};
+pub const KingOfDiamonds: Card = Card{rank: King, suit: Diamonds};
+pub const AceOfDiamonds: Card = Card{rank: Ace, suit: Diamonds};
+
+pub const TwoOfHearts: Card = Card{rank: Two, suit: Hearts};
+pub const ThreeOfHearts: Card = Card{rank: Three, suit: Hearts};
+pub const FourOfHearts: Card = Card{rank: Four, suit: Hearts};
+pub const FiveOfHearts: Card = Card{rank: Five, suit: Hearts};
+pub const SixOfHearts: Card = Card{rank: Six, suit: Hearts};
+pub const SevenOfHearts: Card = Card{rank: Seven, suit: Hearts};
+pub const EightOfHearts: Card = Card{rank: Eight, suit: Hearts};
+pub const NineOfHearts: Card = Card{rank: Nine, suit: Hearts};
+pub const TenOfHearts: Card = Card{rank: Ten, suit: Hearts};
+pub const JackOfHearts: Card = Card{rank: Jack, suit: Hearts};
+pub const QueenOfHearts: Card = Card{rank: Queen, suit: Hearts};
+pub const KingOfHearts: Card = Card{rank: King, suit: Hearts};
+pub const AceOfHearts: Card = Card{rank: Ace, suit: Hearts};
+
+pub const TwoOfSpades: Card = Card{rank: Two, suit: Spades};
+pub const ThreeOfSpades: Card = Card{rank: Three, suit: Spades};
+pub const FourOfSpades: Card = Card{rank: Four, suit: Spades};
+pub const FiveOfSpades: Card = Card{rank: Five, suit: Spades};
+pub const SixOfSpades: Card = Card{rank: Six, suit: Spades};
+pub const SevenOfSpades: Card = Card{rank: Seven, suit: Spades};
+pub const EightOfSpades: Card = Card{rank: Eight, suit: Spades};
+pub const NineOfSpades: Card = Card{rank: Nine, suit: Spades};
+pub const TenOfSpades: Card = Card{rank: Ten, suit: Spades};
+pub const JackOfSpades: Card = Card{rank: Jack, suit: Spades};
+pub const QueenOfSpades: Card = Card{rank: Queen, suit: Spades};
+pub const KingOfSpades: Card = Card{rank: King, suit: Spades};
+pub const AceOfSpades: Card = Card{rank: Ace, suit: Spades};
+
+pub const FIFTY_TWO_CARD_DECK: [Card; 52] = [
+ AceOfSpades,
+ AceOfHearts,
+ AceOfDiamonds,
+ AceOfClubs,
+ KingOfSpades,
+ KingOfHearts,
+ KingOfDiamonds,
+ KingOfClubs,
+ QueenOfSpades,
+ QueenOfHearts,
+ QueenOfDiamonds,
+ QueenOfClubs,
+ JackOfSpades,
+ JackOfHearts,
+ JackOfDiamonds,
+ JackOfClubs,
+ TenOfSpades,
+ TenOfHearts,
+ TenOfDiamonds,
+ TenOfClubs,
+ NineOfSpades,
+ NineOfHearts,
+ NineOfDiamonds,
+ NineOfClubs,
+ EightOfSpades,
+ EightOfHearts,
+ EightOfDiamonds,
+ EightOfClubs,
+ SevenOfSpades,
+ SevenOfHearts,
+ SevenOfDiamonds,
+ SevenOfClubs,
+ SixOfSpades,
+ SixOfHearts,
+ SixOfDiamonds,
+ SixOfClubs,
+ FiveOfSpades,
+ FiveOfHearts,
+ FiveOfDiamonds,
+ FiveOfClubs,
+ FourOfSpades,
+ FourOfHearts,
+ FourOfDiamonds,
+ FourOfClubs,
+ ThreeOfSpades,
+ ThreeOfHearts,
+ ThreeOfDiamonds,
+ ThreeOfClubs,
+ TwoOfSpades,
+ TwoOfHearts,
+ TwoOfDiamonds,
+ TwoOfClubs,
+];
--- /dev/null
+use std::sync::{Arc, RwLock};
+
+use futures::stream::{Stream, StreamExt, empty, iter, once};
+
+use crate::api::{ClientMessage, ServerMessage};
+use crate::game::{Game, UserAction};
+use crate::server::{ActionStatus, ServerState};
+
+pub struct ConnectionState {
+ server: ServerState,
+ client: ClientState,
+}
+
+#[derive(Debug, Clone)]
+pub enum ClientState {
+ Connected,
+ LoginAuthIssued { username: String, challenge: String },
+ LoggedIn {
+ username: String,
+ state: LoggedInState,
+ },
+}
+
+pub enum ClientUpdate {
+ GameList,
+ Game,
+ Users,
+}
+
+#[derive(Debug, Clone)]
+pub enum LoggedInState {
+ InLobby,
+ InGame { game: Game },
+}
+
+impl ConnectionState {
+ pub fn new(server: ServerState) -> Self {
+ Self {
+ server,
+ client: ClientState::Connected,
+ }
+ }
+
+ pub async fn retrieve_updates(&mut self, update: ClientUpdate) -> impl Stream<Item=ServerMessage> {
+ match update {
+ ClientUpdate::GameList => empty().boxed(), // TODO
+ ClientUpdate::Game => match &mut self.client {
+ ClientState::LoggedIn{ref username, state: LoggedInState::InGame{ref mut game}} => {
+ let from = game.actions_len();
+ match self.server.update_game_state(game).await {
+ Ok(()) => iter(game.update_view_for(username, from)).map(|action| ServerMessage::NewAction{action}).boxed(),
+ Err(err) => once(async move { ServerMessage::ProtocolError{reason: err.to_string()} }).boxed(),
+ }
+ }
+ _ => empty().boxed(),
+ }
+ ClientUpdate::Users => empty().boxed(), // TODO
+ }
+ }
+
+ pub async fn apply_message(&mut self, message: ClientMessage) -> ServerMessage {
+ match (&mut self.client, message) {
+ (_, ClientMessage::CreateUser{username, auth, nickname}) => {
+ match self.server.create_user(&username, auth, &nickname).await {
+ Ok(()) => ServerMessage::CreateUserSuccess,
+ Err(_) => ServerMessage::CreateUserFailure{reason: "User already exists".to_string()},
+ }
+ }
+ (ClientState::Connected, ClientMessage::Login{username}) => {
+ let challenge = format!("{:032x}{:032x}", rand::random::<u128>(), rand::random::<u128>());
+ self.client = ClientState::LoginAuthIssued{username, challenge: challenge.clone()};
+ ServerMessage::LoginAuthChallenge{challenge}
+ }
+ (ClientState::LoginAuthIssued{username, challenge}, ClientMessage::LoginAuthResponse{signature}) => {
+ if self.server.verify(&username, &challenge, &signature).await {
+ self.client = ClientState::LoggedIn{username: username.clone(), state: LoggedInState::InLobby};
+ ServerMessage::LoginSuccess
+ } else {
+ self.client = ClientState::Connected;
+ ServerMessage::LoginFailure{reason: "Invalid username or password".to_string()}
+ }
+ }
+ (ClientState::LoggedIn{username, ..}, ClientMessage::GetGameList{tags}) => {
+ match self.server.get_game_list().await {
+ Ok(games) => ServerMessage::GameList{games},
+ Err(err) => ServerMessage::GameListFailure{reason: err.to_string()},
+ }
+ }
+ (ClientState::LoggedIn{username, ..}, ClientMessage::CreateGame{settings}) => {
+ match self.server.create_game(settings).await {
+ Ok(id) => ServerMessage::CreateGameSuccess{id},
+ Err(err) => ServerMessage::CreateGameFailure{reason: err.to_string()},
+ }
+ }
+ (ClientState::LoggedIn{username, state: LoggedInState::InLobby}, ClientMessage::JoinGame{id}) => {
+ match self.server.get_game(id).await {
+ Ok(game) => {
+ let game_view = game.view_for(&username);
+ self.client = ClientState::LoggedIn{username: username.clone(), state: LoggedInState::InGame{game}};
+ ServerMessage::JoinGameSuccess{game: game_view}
+ }
+ Err(err) => ServerMessage::JoinGameFailure{reason: err.to_string()},
+ }
+ }
+ (ClientState::LoggedIn{ref username, state: LoggedInState::InGame{ref mut game}}, ClientMessage::TakeAction{action}) => {
+ let action = UserAction{username: username.clone(), action};
+ loop {
+ let len = game.actions_len();
+ if let Err(err) = game.verify(&action) {
+ return ServerMessage::TakeActionFailure{reason: err.to_string()};
+ }
+ match self.server.take_action(game.id(), len, &action).await {
+ Ok(ActionStatus::Committed) => match game.take_action(action) {
+ Ok(()) => return ServerMessage::TakeActionSuccess,
+ Err(err) => return ServerMessage::TakeActionFailure{reason: err.to_string()},
+ }
+ Ok(ActionStatus::Interrupted) => {
+ if let Err(err) = self.server.update_game_state(game).await {
+ return ServerMessage::TakeActionFailure{reason: err.to_string()};
+ }
+ }
+ Err(err) => return ServerMessage::TakeActionFailure{reason: err.to_string()},
+ }
+ }
+ }
+ (ClientState::LoggedIn{username, state: LoggedInState::InGame{..}}, ClientMessage::LeaveGame) => {
+ self.client = ClientState::LoggedIn{username: username.clone(), state: LoggedInState::InLobby};
+ ServerMessage::LeaveGameSuccess
+ }
+ (ClientState::LoggedIn{username, ..}, ClientMessage::Logout) => {
+ self.client = ClientState::Connected;
+ ServerMessage::LogoutSuccess
+ }
+ (ClientState::LoggedIn{username, ..}, ClientMessage::ChangeAuth{auth}) => {
+ match self.server.set_user_auth(&username, auth).await {
+ Ok(()) => ServerMessage::ChangeAuthSuccess,
+ Err(err) => ServerMessage::ChangeAuthFailure{reason: err.to_string()},
+ }
+ }
+ (ClientState::LoggedIn{username, ..}, ClientMessage::ChangeNickname{nickname}) => {
+ match self.server.set_user_nickname(&username, &nickname).await {
+ Ok(()) => ServerMessage::ChangeNicknameSuccess,
+ Err(err) => ServerMessage::ChangeNicknameFailure{reason: err.to_string()},
+ }
+ }
+ (_, _) => {
+ ServerMessage::ProtocolError{reason: "Protocol error".to_string() }
+ }
+ }
+ }
+}
--- /dev/null
+use std::fmt::Debug;
+
+use crate::card::Card;
+use crate::gamestate::GameState;
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(tag = "format")]
+pub enum GameSettings {
+ Chatroom {max_users: u32},
+ TexasHoldEm {
+ // TODO
+ },
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(tag = "action")]
+pub enum Action {
+ Join { seat: u32, chips: u64 },
+ AddOn { chips: u64 },
+ NextToAct,
+ CommunityCard { card: Card },
+ ReceiveCard { card: Option<Card> },
+ RevealCard { card: Card },
+ Fold,
+ Bet { chips: u64 },
+ WinPot { chips: u64 },
+ Message { message: String },
+ Leave,
+}
+
+impl Action {
+ pub fn anonymise(&self) -> Self {
+ match self {
+ Action::ReceiveCard{..} => Action::ReceiveCard{card: None},
+ action => action.clone(),
+ }
+ }
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct UserAction {
+ pub username: String,
+ pub action: Action,
+}
+
+impl UserAction {
+ pub fn view_for(&self, username: &str) -> Self {
+ Self {
+ username: self.username.clone(),
+ action: if username == self.username { self.action.clone() } else { self.action.anonymise() },
+ }
+ }
+}
+
+#[derive(Debug, Clone, Serialize)]
+pub enum ActionError {
+ NotAuthorised,
+ AlreadyJoined,
+ NoSeatAvailable,
+ OutOfTurn,
+ InvalidActionForGameType,
+}
+
+use std::fmt::{Display, Formatter};
+
+impl Display for ActionError {
+ fn fmt(&self, f: &mut Formatter) -> std::fmt::Result {
+ match self {
+ ActionError::NotAuthorised => f.write_str("NotAuthorised"),
+ ActionError::AlreadyJoined => f.write_str("AlreadyJoined"),
+ ActionError::NoSeatAvailable => f.write_str("NoSeatAvailable"),
+ ActionError::OutOfTurn => f.write_str("OutOfTurn"),
+ ActionError::InvalidActionForGameType => f.write_str("InvalidActionForGameType"),
+ }
+ }
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct GameSummary {
+ id: u32,
+ settings: GameSettings,
+}
+
+impl GameSummary {
+ pub fn new(id: u32, settings: GameSettings) -> Self {
+ Self{id, settings}
+ }
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Game {
+ summary: GameSummary,
+ state: GameState,
+}
+
+impl Game {
+ pub fn new(id: u32, settings: GameSettings) -> Self {
+ Self {
+ summary: GameSummary{id, settings},
+ state: GameState::new(),
+ }
+ }
+
+ pub fn id(&self) -> u32 {
+ self.summary.id
+ }
+
+ pub fn actions_len(&self) -> usize {
+ self.state.actions_len()
+ }
+
+ pub fn view_for(&self, username: &str) -> Game {
+ Game {
+ summary: self.summary.clone(),
+ state: self.state.view_for(username),
+ }
+ }
+
+ pub fn update_view_for(&self, username: &str, from: usize) -> Vec<UserAction> {
+ self.state.update_view_for(username, from)
+ }
+
+ pub fn verify(&self, UserAction{ref username, ref action}: &UserAction) -> Result<(), ActionError> {
+ debug!("Verifying action: UserAction {{ username: {:?}, action: {:?} }}", username, action);
+ match self.summary.settings {
+ GameSettings::Chatroom{max_users} => match action {
+ Action::Join{seat: 0, chips: 0} if self.state.user_has_joined(username) => Err(ActionError::AlreadyJoined),
+ Action::Join{seat: 0, chips: 0} if self.state.num_players() + 1 > max_users => Err(ActionError::NoSeatAvailable),
+ Action::Join{seat: 0, chips: 0} => Ok(()),
+ Action::Message{ref message} if self.state.user_has_joined(username) => Ok(()),
+ Action::Message{..} => Err(ActionError::NotAuthorised),
+ Action::Leave if self.state.user_has_joined(username) => Ok(()),
+ Action::Leave => Err(ActionError::NotAuthorised),
+ _ => Err(ActionError::InvalidActionForGameType),
+ },
+ GameSettings::TexasHoldEm{..} => {
+ // TODO
+ Err(ActionError::NotAuthorised)
+ }
+ }
+ }
+
+ pub fn take_action(&mut self, user_action: UserAction) -> Result<(), ActionError> {
+ self.verify(&user_action)?;
+ debug!("Taking action: {:?}", user_action);
+ debug!("State before: {:?}", self.state);
+ self.state.take_action(user_action);
+ debug!("State after: {:?}", self.state);
+ Ok(())
+ }
+}
--- /dev/null
+use crate::game::{Action, UserAction};
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct GameState {
+ actions: Vec<UserAction>,
+}
+
+impl GameState {
+ pub fn new() -> Self {
+ Self {
+ actions: Vec::new(),
+ }
+ }
+
+ pub fn actions_len(&self) -> usize {
+ self.actions.len()
+ }
+
+ pub fn view_for(&self, username: &str) -> Self {
+ Self {
+ actions: self.actions.iter().map(|action| action.view_for(username)).collect(),
+ }
+ }
+
+ pub fn update_view_for(&self, username: &str, from: usize) -> Vec<UserAction> {
+ self.actions.iter().skip(from).map(|action| action.view_for(username)).collect()
+ }
+
+ pub fn user_has_joined(&self, user: &str) -> bool {
+ let mut logged_in = false;
+ for action in &self.actions {
+ match action {
+ UserAction{ref username, action: Action::Join{..}} if user == username => logged_in = true,
+ UserAction{ref username, action: Action::Leave} if user == username => logged_in = false,
+ _ => continue,
+ }
+ }
+ logged_in
+ }
+
+ pub fn num_players(&self) -> u32 {
+ let mut num_players = 0;
+ for action in &self.actions {
+ match action.action {
+ Action::Join{..} => num_players += 1,
+ Action::Leave => num_players -= 1,
+ _ => continue,
+ }
+ }
+ num_players
+ }
+
+ pub fn take_action(&mut self, action: UserAction) {
+ self.actions.push(action);
+ }
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+
+ #[test]
+ fn user_has_joined() {
+ let mut state = GameState::new();
+ state.take_action(UserAction{username: "user".to_string(), action: Action::Join{seat: 0, chips: 10000}});
+ assert!(state.user_has_joined("user"));
+ }
+
+ #[test]
+ fn num_players() {
+ let mut state = GameState::new();
+ state.take_action(UserAction{username: "user".to_string(), action: Action::Join{seat: 0, chips: 10000}});
+ assert_eq!(1, state.num_players());
+ state.take_action(UserAction{username: "user2".to_string(), action: Action::Join{seat: 1, chips: 10000}});
+ assert_eq!(2, state.num_players());
+ state.take_action(UserAction{username: "user".to_string(), action: Action::Leave});
+ assert_eq!(1, state.num_players());
+ }
+}
--- /dev/null
+#[macro_use] extern crate log;
+#[macro_use] extern crate serde_derive;
+
+use std::pin::Pin;
+
+use async_std::prelude::*;
+use futures::{future::select, future::Either, pin_mut, Stream, StreamExt, stream};
+use signal_hook::consts::signal::*;
+use signal_hook_async_std::Signals;
+use tide::{Body, Request, Error, Response, StatusCode};
+use tide::utils::After;
+use tide_rustls::TlsListener;
+use tide_websockets::{Message, WebSocket, WebSocketConnection};
+
+mod api;
+mod auth;
+mod card;
+mod client;
+mod game;
+mod gamestate;
+mod server;
+
+use crate::api::ServerMessage;
+use crate::server::ServerState;
+use crate::client::{ClientUpdate, ConnectionState};
+
+pub async fn handle_websocket_request(request: Request<ServerState>, mut stream: WebSocketConnection) -> Result<(), Error> {
+ let mut client = ConnectionState::new(request.state().clone());
+ let update_stream: Pin<Box<dyn Stream<Item=ClientUpdate> + Send>>;
+ update_stream = stream::empty().boxed(); // TODO
+ let mut combined = stream::select(stream.clone().map(Either::Left), update_stream.map(Either::Right));
+ while let Some(message) = combined.next().await {
+ let message: Either<Result<Message, tide_websockets::Error>, ClientUpdate> = message;
+ match message {
+ Either::Left(Ok(Message::Text(input))) => {
+ let response = match serde_json::from_str(&input) {
+ Ok(message) => client.apply_message(message).await,
+ Err(err) => ServerMessage::ProtocolError{reason: err.to_string()},
+ };
+ stream.send_json(&response).await?;
+ }
+ Either::Right(update) => {
+ let mut responses = client.retrieve_updates(update).await;
+ while let Some(response) = responses.next().await {
+ stream.send_json(&response).await?
+ }
+ }
+ Either::Left(Ok(_)) => {
+ error!("Websocket received non-text");
+ break;
+ }
+ Either::Left(Err(err)) => {
+ error!("Websocket error: {}", err);
+ break;
+ }
+ }
+ }
+ Ok(())
+}
+
+async fn handle_signals(mut signals: Signals) -> Result<(), std::io::Error> {
+ signals.next().await;
+ info!("Shutting down...");
+ Ok(())
+}
+
+async fn serve_404(response: Response) -> Result<Response, Error> {
+ match response.status() {
+ StatusCode::NotFound =>
+ Ok(Response::builder(404)
+ .body(Body::from_file("site/404.html").await?)
+ .content_type("text/html")
+ .build()),
+ _ => Ok(response)
+ }
+}
+
+#[async_std::main]
+async fn main() -> Result<(), Error> {
+ env_logger::init();
+
+ let mut app = tide::with_state(ServerState::new("redis://localhost/").await?);
+
+ app.at("/").serve_dir("site/")?;
+ app.at("/").serve_file("site/index.html")?;
+ app.at("/api").get(WebSocket::new(handle_websocket_request));
+ app.with(After(serve_404));
+
+ let signals = Signals::new(&[SIGINT])?;
+ let signal_handler = handle_signals(signals);
+
+ let listener = TlsListener::build()
+ .addrs("localhost:4433")
+ .cert("cert/cert.pem")
+ .key("cert/key.pem");
+
+ let app = app.listen(listener);
+ pin_mut!(signal_handler, app);
+
+ select(app, signal_handler).await.factor_first().0?;
+
+ info!("Pokerwave shut down gracefully.");
+
+ Ok(())
+}
--- /dev/null
+use futures::Stream;
+use redis::{AsyncCommands, Client, ErrorKind, FromRedisValue, IntoConnectionInfo, Msg, RedisError, RedisResult, RedisWrite, ToRedisArgs, Value, aio::MultiplexedConnection};
+use serde::{Serialize, Deserialize};
+
+use crate::auth::Auth;
+use crate::game::{Game, GameSettings, GameSummary, UserAction};
+
+#[derive(Clone)]
+pub struct ServerState {
+ client: Client,
+ redis: MultiplexedConnection,
+}
+
+fn user_key(username: &str) -> String {
+ format!("user:{}", username)
+}
+
+fn game_key(id: u32) -> String {
+ format!("game:{}", id)
+}
+
+const TAKE_ACTION_LUA_SCRIPT: &'static str = r#"
+ local len = redis.call('llen', KEYS[1])
+ local expected = tonumber(ARGV[1])
+ if (len == expected) then
+ return redis.call('rpush', KEYS[1], ARGV[2])
+ elseif (len > expected) then
+ return 0
+ else
+ local error = string.format('Inconsistent game state - database reports %d actions but expected at least %d', len, expected)
+ return redis.error_reply(error)
+ end
+"#;
+
+impl ServerState {
+ pub async fn new<T: IntoConnectionInfo>(params: T) -> RedisResult<Self> {
+ let client = Client::open(params)?;
+ let redis = client.get_multiplexed_async_std_connection().await?;
+ Ok(Self{client, redis})
+ }
+
+ pub async fn create_user(&mut self, username: &str, auth: Auth, nickname: &str) -> RedisResult<()> {
+ let key = user_key(username);
+ if self.redis.hset_nx::<_, _, _, i32>(&key, "auth", AsJson(auth)).await? == 0 {
+ return Err(RedisError::from((ErrorKind::ResponseError, "User already exists")));
+ }
+ self.redis.hset(&key, "nickname", username).await
+ }
+
+ pub async fn set_user_auth(&mut self, username: &str, auth: Auth) -> RedisResult<()> {
+ let key = user_key(username);
+ self.redis.hset(key, "auth", AsJson(auth)).await
+ }
+
+ async fn get_user_auth(&mut self, username: &str) -> Option<Auth> {
+ let key = user_key(username);
+ self.redis.hget(key, "auth").await.ok().map(AsJson::get)
+ }
+
+ pub async fn set_user_nickname(&mut self, username: &str, nickname: &str) -> RedisResult<()> {
+ let key = user_key(username);
+ self.redis.hset(key, "nickname", nickname).await
+ }
+
+ pub async fn verify(&mut self, username: &str, challenge: &str, signature: &str) -> bool {
+ match self.get_user_auth(username).await {
+ None => false,
+ Some(auth) => auth.verify(challenge, signature),
+ }
+ }
+
+ pub async fn create_game(&mut self, settings: GameSettings) -> RedisResult<u32> {
+ self.redis.rpush("games", AsJson(settings)).await.map(|i: u32| i - 1)
+ }
+
+ pub async fn get_game_list(&mut self) -> RedisResult<Vec<GameSummary>> {
+ const GAME_LIST_BLOCK_SIZE: isize = 1024;
+ let mut ret = Vec::new();
+ for i in (0..).step_by(GAME_LIST_BLOCK_SIZE as usize) {
+ let games: Vec<AsJson<GameSettings>> = self.redis.lrange("games", i, i + GAME_LIST_BLOCK_SIZE).await?;
+ if games.is_empty() { break; }
+ for (j, AsJson(settings)) in games.into_iter().enumerate() {
+ ret.push(GameSummary::new(i as u32 + j as u32, settings));
+ }
+ }
+ Ok(ret)
+ }
+
+ pub async fn update_game_state(&mut self, game: &mut Game) -> RedisResult<()> {
+ const GAME_ACTION_BLOCK_SIZE: isize = 1024;
+ let key = game_key(game.id());
+ for i in (game.actions_len() as isize..).step_by(GAME_ACTION_BLOCK_SIZE as usize) {
+ let actions: Vec<AsJson<UserAction>> = self.redis.lrange(&key, i, i + GAME_ACTION_BLOCK_SIZE).await?;
+ if actions.is_empty() { break; }
+ for AsJson(action) in actions {
+ game.take_action(action).map_err(|err| RedisError::from((ErrorKind::ResponseError, "Invalid action")))?;
+ }
+ }
+ Ok(())
+ }
+
+ pub async fn get_game(&mut self, id: u32) -> RedisResult<Game> {
+ let settings = self.redis.lindex("games", id as isize).await.map(AsJson::get)?;
+ let mut game = Game::new(id, settings);
+ self.update_game_state(&mut game).await?;
+ Ok(game)
+ }
+
+ pub async fn take_action(&mut self, id: u32, len: usize, action: &UserAction) -> RedisResult<ActionStatus> {
+ let key = game_key(id);
+ debug!("redis: executing: EVAL {:?} 1 {:?} {} {:?}", TAKE_ACTION_LUA_SCRIPT, key, len, serde_json::to_string(&action).unwrap());
+ redis::cmd("EVAL").arg(TAKE_ACTION_LUA_SCRIPT).arg(1).arg(key).arg(len).arg(AsJson(action)).query_async(&mut self.redis).await
+ }
+}
+
+pub enum ActionStatus {
+ Committed,
+ Interrupted,
+}
+
+impl FromRedisValue for ActionStatus {
+ fn from_redis_value(value: &Value) -> RedisResult<Self> {
+ match value {
+ Value::Int(0) => Ok(ActionStatus::Interrupted),
+ Value::Int(_) => Ok(ActionStatus::Committed),
+ _ => Err(RedisError::from((ErrorKind::TypeError, "ActionStatus may only be converted from an integer")))
+ }
+ }
+}
+
+struct AsJson<T>(T);
+
+impl<T> AsJson<T> {
+ pub fn get(self) -> T {
+ self.0
+ }
+}
+
+impl<T> FromRedisValue for AsJson<T>
+ where T: for<'a> Deserialize<'a>
+{
+ fn from_redis_value(value: &Value) -> RedisResult<Self> {
+ match value {
+ Value::Data(ref bytes) => serde_json::from_slice(bytes).map(AsJson)
+ .map_err(|err| RedisError::from((
+ ErrorKind::TypeError,
+ "Failed to parse as JSON",
+ err.to_string()
+ ))),
+ _ => Err(RedisError::from((ErrorKind::TypeError, "Value was not Value::Data"))),
+ }
+ }
+}
+
+impl<T> ToRedisArgs for AsJson<T>
+ where T: Serialize
+{
+ fn write_redis_args<W>(&self, out: &mut W)
+ where W: ?Sized + RedisWrite
+ {
+ match serde_json::to_vec(&self.0) {
+ Ok(bytes) => out.write_arg(&bytes),
+ Err(_) => return,
+ }
+ }
+
+ fn is_single_arg(&self) -> bool {
+ true
+ }
+}
projects / pokerwave.git / commitdiff