joshuafhiggins/connect4-moderator-server
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fix: change to 7x6 boards, terminate games on error, example_client.py keep alive

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This commit is contained in:
Joshua Higgins
2025-11-20 16:10:57 -05:00
Unverified
parent 348e8ae786
commit 3669a54eea
4 changed files with 67 additions and 55 deletions
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69
src/main.rs
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@@ -16,8 +16,8 @@ use tokio::net::{TcpListener, TcpStream};
use tokio::sync::mpsc::error::SendError;
use tokio::sync::mpsc::UnboundedSender;
use tokio::sync::RwLock;
use tokio_tungstenite::{accept_async, tungstenite::Message};
use tokio_tungstenite::tungstenite::Utf8Bytes;
use tokio_tungstenite::{accept_async, tungstenite::Message};
use tracing::{error, info, warn};
use types::Client;
@@ -170,8 +170,7 @@ async fn handle_connection(
let client_option = clients_guard.get(&addr);
// Check if client is valid
if client_option.is_none()
|| client_option.unwrap().read().await.current_match.is_none()
if client_option.is_none() || client_option.unwrap().read().await.current_match.is_none()
{
let _ = send(&tx, "ERROR:INVALID:MOVE");
continue;
@@ -194,9 +193,8 @@ async fn handle_connection(
};
// Check if it's their move
if (current_match.ledger.is_empty() && current_match.first != addr)
|| (current_match.ledger.last().is_some()
&& current_match.ledger.last().unwrap().0 == client.color)
if (current_match.ledger.is_empty() && current_match.first != addr) ||
(current_match.ledger.last().is_some() && current_match.ledger.last().unwrap().0 == client.color)
{
let _ = send(&tx, "ERROR:INVALID:MOVE");
continue;
@@ -215,24 +213,57 @@ async fn handle_connection(
.await;
// Check if valid move
let mut invalid = false;
if let Ok(column) = column_parse {
if column >= 6 {
if column >= 7 {
let _ = send(&tx, "ERROR:INVALID:MOVE");
continue;
invalid = true;
}
if current_match.board[column][4] != Color::None {
if current_match.board[column][5] != Color::None && !invalid {
let _ = send(&tx, "ERROR:INVALID:MOVE");
continue;
invalid = true;
}
// Place it
current_match.place_token(client.color.clone(), column)
} else {
let _ = send(&tx, "ERROR:INVALID:MOVE");
continue;
invalid = true;
}
// Terminate games if a player makes an invalid move
if invalid {
let opponent_addr = opponent.addr;
let current_match_id = current_match.id;
broadcast_message(&current_match.viewers, &observers, "GAME:TERMINATED").await;
drop(client);
drop(opponent);
drop(current_match);
drop(clients_guard);
let mut clients_guard = clients.write().await;
let mut client = clients_guard.get_mut(&addr).unwrap().write().await;
client.current_match = None;
let _ = send(&tx, "GAME:TERMINATED");
drop(client);
let mut opponent =
clients_guard.get_mut(&opponent_addr).unwrap().write().await;
if !demo_mode {
opponent.current_match = None;
let _ = send(&opponent.connection, "GAME:TERMINATED");
}
matches_guard.remove(&current_match_id).unwrap();
continue;
} else {
// Place it
current_match.place_token(client.color.clone(), column_parse.clone()?);
}
// broadcast the move to viewers
broadcast_message(
&current_match.viewers,
@@ -248,8 +279,8 @@ async fn handle_connection(
let mut result = (Color::None, false);
let mut any_empty = true;
for x in 0..6 {
for y in 0..5 {
for x in 0..7 {
for y in 0..6 {
let color = current_match.board[x][y].clone();
let mut horizontal_end = true;
let mut vertical_end = true;
@@ -260,20 +291,20 @@ async fn handle_connection(
}
for i in 0..4 {
if x + i >= 6
if x + i >= 7
|| current_match.board[x + i][y] != color && horizontal_end
{
horizontal_end = false;
}
if y + i >= 5
if y + i >= 6
|| current_match.board[x][y + i] != color && vertical_end
{
vertical_end = false;
}
if x + i >= 6
|| y + i >= 5
if x + i >= 7
|| y + i >= 6
|| current_match.board[x + i][y + i] != color
&& diagonal_end
{