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Lloyd
2025-09-02 23:08:57 +10:00
parent e4c39ba83b
commit 889a9fabe7
12 changed files with 1333 additions and 122 deletions
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301
backend/Cargo.lock generated
View File

@@ -17,6 +17,65 @@ version = "2.0.1"
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"memchr",
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[[package]]
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@@ -29,7 +88,7 @@ dependencies = [
"miniz_oxide",
"object",
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[[package]]
@@ -59,6 +118,12 @@ version = "1.0.3"
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[[package]]
name = "cpufeatures"
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@@ -94,6 +159,29 @@ dependencies = [
"crypto-common",
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[[package]]
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@@ -200,16 +288,47 @@ dependencies = [
"libc",
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@@ -251,7 +370,7 @@ checksum = "78bed444cc8a2160f01cbcf811ef18cac863ad68ae8ca62092e8db51d51c761c"
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[[package]]
@@ -263,6 +382,12 @@ dependencies = [
"memchr",
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name = "once_cell_polyfill"
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@@ -275,6 +400,21 @@ version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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@@ -337,12 +477,61 @@ dependencies = [
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@@ -367,7 +556,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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@@ -416,7 +605,7 @@ dependencies = [
"slab",
"socket2",
"tokio-macros",
"windows-sys",
"windows-sys 0.59.0",
]
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@@ -477,6 +666,12 @@ version = "0.7.6"
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@@ -498,13 +693,28 @@ dependencies = [
"wit-bindgen",
]
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@@ -513,14 +723,31 @@ version = "0.52.6"
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1
backend/Cargo.toml
View File

@@ -4,6 +4,7 @@ version = "0.1.0"
edition = "2024"
[dependencies]
env_logger = "0.11.8"
futures-util = "0.3.31"
log = "0.4.27"
tokio = { version = "1.47.1", features = ["rt-multi-thread", "macros", "net", "time"] }

22
backend/src/main.rs
View File

@@ -3,7 +3,7 @@ mod evaluator;
mod parser;
mod tokenizer;
use futures_util::{StreamExt, TryStreamExt, future};
use futures_util::{SinkExt, StreamExt, TryStreamExt, future};
use log::info;
use std::{env, io::Error};
use tokio::net::{TcpListener, TcpStream};
@@ -12,6 +12,7 @@ use crate::{cell::CellRef, evaluator::Evaluator};
#[tokio::main]
async fn main() -> Result<(), Error> {
env_logger::init();
// let mut input = String::new();
// io::stdin().read_line(&mut input).expect("Expected input.");
@@ -91,11 +92,20 @@ async fn accept_connection(stream: TcpStream) {
info!("New WebSocket connection: {}", addr);
let (write, read) = ws_stream.split();
let (mut write, mut read) = ws_stream.split();
// We should not forward messages other than text or binary.
read.try_filter(|msg| future::ready(msg.is_text() || msg.is_binary()))
.forward(write)
.await
.expect("Failed to forward messages");
while let Some(msg) = read.try_next().await.unwrap_or(None) {
if msg.is_text() || msg.is_binary() {
if let Err(e) = write
.send(format!("This is a message {}!", msg.to_text().unwrap_or("")).into())
.await
{
eprintln!("send error: {}", e);
break;
}
}
}
info!("Disconnected from {}", addr);
}