mirror of
https://github.com/MercuryWorkshop/epoxy-tls.git
synced 2025-05-13 06:20:02 -04:00
fix the websocket impl
This commit is contained in:
Toshit Chawda
parent
fc17bacb9d
commit
1b7181d78f
6 changed files with 248 additions and 251 deletions
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@ -30,7 +30,7 @@ wasm-streams = "0.4.0"
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either = "1.9.0"
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tokio-util = { version = "0.7.10", features = ["io"] }
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async-compression = { version = "0.4.5", features = ["tokio", "gzip", "brotli"] }
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fastwebsockets = { version = "0.6.0", features=[]}
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fastwebsockets = { version = "0.6.0" }
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rand = "0.8.5"
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base64 = "0.21.7"
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@ -11,7 +11,7 @@ wasm-bindgen --weak-refs --no-typescript --target no-modules --out-dir out/ ../t
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echo "[ws] bindgen finished"
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mv out/wstcp_client_bg.wasm out/wstcp_client_unoptimized.wasm
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wasm-opt out/wstcp_client_unoptimized.wasm -o out/wstcp_client_bg.wasm
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time wasm-opt -O4 out/wstcp_client_unoptimized.wasm -o out/wstcp_client_bg.wasm
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echo "[ws] optimized"
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AUTOGENERATED_SOURCE=$(<"out/wstcp_client.js")
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@ -1,16 +0,0 @@
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import fs from "fs";
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import path from "path";
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import binaryen from "binaryen";
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import { fileURLToPath } from 'url';
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const __filename = fileURLToPath(import.meta.url);
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const __dirname = path.dirname(__filename);
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let fp = path.resolve(__dirname, './wat.wat');
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const originBuffer = fs.readFileSync(fp).toString();
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// const wasm = binaryen.readBinary(originBuffer);
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const wast = originBuffer
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.replace(/\(br_if \$label\$1[\s\n]+?\(i32.eq\n[\s\S\n]+?i32.const -1\)[\s\n]+\)[\s\n]+\)/g, '');
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// const distBuffer = binaryen.parseText(wast).emitBinary();
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fs.writeFileSync(fp, wast);
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@ -3,15 +3,13 @@
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mod utils;
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mod tokioio;
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mod wrappers;
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mod websocket;
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use base64::{engine::general_purpose::STANDARD, Engine};
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use fastwebsockets::{Frame, OpCode, Payload, Role, WebSocket};
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use tokio::io::{AsyncReadExt, AsyncWriteExt};
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use tokioio::TokioIo;
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use utils::{ReplaceErr, UriExt};
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use wrappers::{IncomingBody, WsStreamWrapper};
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use std::{io::Read, ptr::null_mut, str::from_utf8, sync::Arc};
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use std::sync::Arc;
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use async_compression::tokio::bufread as async_comp;
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use bytes::Bytes;
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@ -19,10 +17,10 @@ use futures_util::StreamExt;
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use http::{uri, HeaderName, HeaderValue, Request, Response};
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use hyper::{
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body::Incoming,
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client::conn::http1::{handshake, Builder},
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client::conn::http1::Builder,
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Uri,
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};
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use js_sys::{Array, Function, Object, Reflect, Uint8Array};
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use js_sys::{Array, Object, Reflect, Uint8Array};
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use penguin_mux_wasm::{Multiplexor, MuxStream};
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use tokio_rustls::{client::TlsStream, rustls, rustls::RootCertStore, TlsConnector};
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use tokio_util::{
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@ -47,7 +45,7 @@ enum EpxCompression {
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type EpxTlsStream = TlsStream<MuxStream<WsStreamWrapper>>;
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type EpxUnencryptedStream = MuxStream<WsStreamWrapper>;
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type EpxStream = Either<WsTcpTlsStream, WsTcpUnencryptedStream>;
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type EpxStream = Either<EpxTlsStream, EpxUnencryptedStream>;
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async fn send_req(
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req: http::Request<HttpBody>,
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@ -115,171 +113,6 @@ async fn start() {
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utils::set_panic_hook();
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}
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#[wasm_bindgen]
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pub struct WsWebSocket {
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onopen: Function,
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onclose: Function,
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onerror: Function,
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onmessage: Function,
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ws: Option<WebSocket<EpxStream>>,
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}
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async fn wtf(iop: *mut EpxStream) {
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let mut t = false;
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unsafe {
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let io = &mut *iop;
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let mut v = vec![];
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loop {
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let r = io.read_u8().await;
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if let Ok(u) = r {
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v.push(u);
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if t && u as char == '\r' {
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let r = io.read_u8().await;
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break;
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}
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if u as char == '\n' {
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t = true;
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} else {
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t = false;
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}
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} else {
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break;
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}
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}
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log!("{}", &from_utf8(&v).unwrap().to_string());
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}
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}
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#[wasm_bindgen]
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impl WsWebSocket {
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#[wasm_bindgen(constructor)]
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pub fn new(
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onopen: Function,
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onclose: Function,
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onmessage: Function,
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onerror: Function,
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) -> Result<WsWebSocket, JsError> {
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Ok(Self {
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onopen,
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onclose,
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onerror,
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onmessage,
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ws: None,
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})
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}
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#[wasm_bindgen]
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pub async fn connect(
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&mut self,
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tcp: &mut EpoxyClient,
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url: String,
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protocols: Vec<String>,
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origin: String,
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) -> Result<(), JsError> {
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self.onopen.call0(&Object::default());
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let uri = url.parse::<uri::Uri>().replace_err("Failed to parse URL")?;
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let mut io = tcp.get_http_io(&uri).await?;
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let r: [u8; 16] = rand::random();
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let key = STANDARD.encode(&r);
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let pathstr = if let Some(p) = uri.path_and_query() {
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p.to_string()
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} else {
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uri.path().to_string()
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};
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io.write(format!("GET {} HTTP/1.1\r\n", pathstr).as_bytes())
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.await;
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io.write(b"Sec-WebSocket-Version: 13\r\n").await;
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io.write(format!("Sec-WebSocket-Key: {}\r\n", key).as_bytes())
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.await;
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io.write(b"Connection: Upgrade\r\n").await;
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io.write(b"Upgrade: websocket\r\n").await;
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io.write(format!("Origin: {}\r\n", origin).as_bytes()).await;
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io.write(format!("Host: {}\r\n", uri.host().unwrap()).as_bytes())
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.await;
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io.write(b"\r\n").await;
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let iop: *mut EpxStream = &mut io;
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wtf(iop).await;
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let mut ws = WebSocket::after_handshake(io, fastwebsockets::Role::Client);
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ws.set_writev(false);
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ws.set_auto_close(true);
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ws.set_auto_pong(true);
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self.ws = Some(ws);
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Ok(())
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}
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#[wasm_bindgen]
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pub fn ptr(&mut self) -> *mut WsWebSocket {
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self
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}
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#[wasm_bindgen]
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pub async fn send(&mut self, payload: String) -> Result<(), JsError> {
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let Some(ws) = self.ws.as_mut() else {
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return Err(JsError::new("Tried to send() before handshake!"));
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};
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ws.write_frame(Frame::new(
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true,
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OpCode::Text,
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None,
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Payload::Owned(payload.as_bytes().to_vec()),
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))
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.await
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.unwrap();
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// .replace_err("Failed to send WsWebSocket payload")?;
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Ok(())
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}
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#[wasm_bindgen]
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pub async fn recv(&mut self) -> Result<(), JsError> {
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let Some(ws) = self.ws.as_mut() else {
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return Err(JsError::new("Tried to recv() before handshake!"));
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};
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loop {
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let Ok(frame) = ws.read_frame().await else {
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break;
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};
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match frame.opcode {
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OpCode::Text => {
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if let Ok(str) = from_utf8(&frame.payload) {
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self.onmessage
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.call1(&JsValue::null(), &jval!(str))
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.replace_err("missing onmessage handler")?;
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}
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}
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OpCode::Binary => {
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self.onmessage
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.call1(
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&JsValue::null(),
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&jval!(Uint8Array::from(frame.payload.to_vec().as_slice())),
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)
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.replace_err("missing onmessage handler")?;
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}
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_ => panic!("unknown opcode {:?}", frame.opcode),
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}
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}
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self.onclose
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.call0(&JsValue::null())
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.replace_err("missing onclose handler")?;
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Ok(())
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}
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}
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#[wasm_bindgen]
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pub async fn send(pointer: *mut WsWebSocket, payload: String) -> Result<(), JsError> {
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let tcp = unsafe { &mut *pointer };
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tcp.send(payload).await
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}
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#[wasm_bindgen]
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pub struct EpoxyClient {
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rustls_config: Arc<rustls::ClientConfig>,
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@ -1,69 +1,73 @@
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(async () => {
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console.log(
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"%cWASM is significantly slower with DevTools open!",
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"color:red;font-size:2rem;font-weight:bold"
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);
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console.log(
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"%cWASM is significantly slower with DevTools open!",
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"color:red;font-size:2rem;font-weight:bold"
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);
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const should_feature_test = (new URL(window.location.href)).searchParams.has("feature_test");
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const should_perf_test = (new URL(window.location.href)).searchParams.has("perf_test");
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const should_feature_test = (new URL(window.location.href)).searchParams.has("feature_test");
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const should_perf_test = (new URL(window.location.href)).searchParams.has("perf_test");
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const should_ws_test = (new URL(window.location.href)).searchParams.has("ws_test");
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await wasm_bindgen("./wstcp_client_bg.wasm");
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await wasm_bindgen("./wstcp_client_bg.wasm");
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const tconn0 = performance.now();
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// args: websocket url, user agent, redirect limit
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let wstcp = await new wasm_bindgen.WsTcp("wss://localhost:4000", navigator.userAgent, 10);
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const tconn1 = performance.now();
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console.warn(`conn establish took ${tconn1 - tconn0} ms or ${(tconn1 - tconn0) / 1000} s`);
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const tconn0 = performance.now();
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// args: websocket url, user agent, redirect limit
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let wstcp = await new wasm_bindgen.WsTcp("wss://localhost:4000", navigator.userAgent, 10);
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const tconn1 = performance.now();
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console.warn(`conn establish took ${tconn1 - tconn0} ms or ${(tconn1 - tconn0) / 1000} s`);
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if (should_feature_test) {
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for (const url of [
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["https://httpbin.org/get", {}],
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["https://httpbin.org/gzip", {}],
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["https://httpbin.org/brotli", {}],
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["https://httpbin.org/redirect/11", {}],
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["https://httpbin.org/redirect/1", { redirect: "manual" }]
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]) {
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let resp = await wstcp.fetch(url[0], url[1]);
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console.warn(url, resp, Object.fromEntries(resp.headers));
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console.warn(await resp.text());
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if (should_feature_test) {
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for (const url of [
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["https://httpbin.org/get", {}],
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["https://httpbin.org/gzip", {}],
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["https://httpbin.org/brotli", {}],
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["https://httpbin.org/redirect/11", {}],
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["https://httpbin.org/redirect/1", { redirect: "manual" }]
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]) {
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let resp = await wstcp.fetch(url[0], url[1]);
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console.warn(url, resp, Object.fromEntries(resp.headers));
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console.warn(await resp.text());
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}
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} else if (should_perf_test) {
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const test_mux = async (url) => {
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const t0 = performance.now();
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await wstcp.fetch(url);
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const t1 = performance.now();
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return t1 - t0;
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};
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const test_native = async (url) => {
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const t0 = performance.now();
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await fetch(url);
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const t1 = performance.now();
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return t1 - t0;
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};
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const num_tests = 10;
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let total_mux = 0;
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for (const _ of Array(num_tests).keys()) {
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total_mux += await test_mux("https://httpbin.org/get");
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}
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total_mux = total_mux / num_tests;
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let total_native = 0;
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for (const _ of Array(num_tests).keys()) {
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total_native += await test_native("https://httpbin.org/get");
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}
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total_native = total_native / num_tests;
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console.warn(`avg mux (10) took ${total_mux} ms or ${total_mux / 1000} s`);
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console.warn(`avg native (10) took ${total_native} ms or ${total_native / 1000} s`);
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console.warn(`mux - native: ${total_mux - total_native} ms or ${(total_mux - total_native) / 1000} s`);
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} else if (should_ws_test) {
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let ws = await new wasm_bindgen.WsWebSocket(() => console.log("opened"), () => console.log("closed"), msg => console.log(msg), wstcp, "ws://localhost:9000", [], "localhost");
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await ws.send("data");
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} else {
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let resp = await wstcp.fetch("https://httpbin.org/get");
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console.warn(resp, Object.fromEntries(resp.headers));
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console.warn(await resp.text());
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}
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} else if (should_perf_test) {
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const test_mux = async (url) => {
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const t0 = performance.now();
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await wstcp.fetch(url);
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const t1 = performance.now();
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return t1 - t0;
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};
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const test_native = async (url) => {
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const t0 = performance.now();
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await fetch(url);
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const t1 = performance.now();
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return t1 - t0;
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};
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const num_tests = 10;
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let total_mux = 0;
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for (const _ of Array(num_tests).keys()) {
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total_mux += await test_mux("https://httpbin.org/get");
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}
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total_mux = total_mux / num_tests;
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let total_native = 0;
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for (const _ of Array(num_tests).keys()) {
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total_native += await test_native("https://httpbin.org/get");
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}
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total_native = total_native / num_tests;
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console.warn(`avg mux (10) took ${total_mux} ms or ${total_mux / 1000} s`);
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console.warn(`avg native (10) took ${total_native} ms or ${total_native / 1000} s`);
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console.warn(`mux - native: ${total_mux - total_native} ms or ${(total_mux - total_native) / 1000} s`);
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} else {
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let resp = await wstcp.fetch("https://httpbin.org/get");
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console.warn(resp, Object.fromEntries(resp.headers));
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console.warn(await resp.text());
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}
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alert("you can open console now");
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if (!should_ws_test) alert("you can open console now");
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})();
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|
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176
client/src/websocket.rs
Normal file
176
client/src/websocket.rs
Normal file
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@ -0,0 +1,176 @@
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use crate::*;
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use base64::{engine::general_purpose::STANDARD, Engine};
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use fastwebsockets::{CloseCode, Frame, OpCode, Payload, Role, WebSocket, WebSocketError};
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use http_body_util::Empty;
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use hyper::{
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client::conn::http1 as hyper_conn,
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header::{CONNECTION, UPGRADE},
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StatusCode,
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};
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use js_sys::Function;
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use std::str::from_utf8;
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use tokio::sync::{mpsc, oneshot};
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enum EpxMsg {
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SendText(String, oneshot::Sender<Result<(), WebSocketError>>),
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Close,
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}
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#[wasm_bindgen]
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pub struct EpxWebSocket {
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msg_sender: mpsc::Sender<EpxMsg>,
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}
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#[wasm_bindgen]
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impl EpxWebSocket {
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#[wasm_bindgen(constructor)]
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pub async fn connect(
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onopen: Function,
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onclose: Function,
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onmessage: Function,
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tcp: &EpoxyClient,
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url: String,
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protocols: Vec<String>,
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origin: String,
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) -> Result<EpxWebSocket, JsError> {
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let url = Uri::try_from(url).replace_err("Failed to parse URL")?;
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let host = url.host().replace_err("URL must have a host")?;
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let rand: [u8; 16] = rand::random();
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let key = STANDARD.encode(rand);
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let mut builder = Request::builder()
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.method("GET")
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.uri(url.clone())
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.header("Host", host)
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.header("Origin", origin)
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.header(UPGRADE, "websocket")
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.header(CONNECTION, "upgrade")
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.header("Sec-WebSocket-Key", key)
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.header("Sec-WebSocket-Version", "13");
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if !protocols.is_empty() {
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builder = builder.header("Sec-WebSocket-Protocol", protocols.join(", "));
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}
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||||
|
||||
let req = builder.body(Empty::<Bytes>::new())?;
|
||||
|
||||
let stream = tcp.get_http_io(&url).await?;
|
||||
|
||||
let (mut sender, conn) =
|
||||
hyper_conn::handshake::<TokioIo<EpxStream>, Empty<Bytes>>(TokioIo::new(stream))
|
||||
.await?;
|
||||
|
||||
wasm_bindgen_futures::spawn_local(async move {
|
||||
if let Err(e) = conn.with_upgrades().await {
|
||||
error!("wstcp: error in muxed hyper connection (ws)! {:?}", e);
|
||||
}
|
||||
});
|
||||
|
||||
let mut response = sender.send_request(req).await?;
|
||||
verify(&response)?;
|
||||
|
||||
let mut ws = WebSocket::after_handshake(
|
||||
TokioIo::new(hyper::upgrade::on(&mut response).await?),
|
||||
Role::Client,
|
||||
);
|
||||
|
||||
let (msg_sender, mut rx) = mpsc::channel(1);
|
||||
|
||||
wasm_bindgen_futures::spawn_local(async move {
|
||||
loop {
|
||||
tokio::select! {
|
||||
frame = ws.read_frame() => {
|
||||
if let Ok(frame) = frame {
|
||||
error!("hiii");
|
||||
match frame.opcode {
|
||||
OpCode::Text => {
|
||||
if let Ok(str) = from_utf8(&frame.payload) {
|
||||
let _ = onmessage.call1(&JsValue::null(), &jval!(str));
|
||||
}
|
||||
}
|
||||
OpCode::Binary => {
|
||||
let _ = onmessage.call1(
|
||||
&JsValue::null(),
|
||||
&jval!(Uint8Array::from(frame.payload.to_vec().as_slice())),
|
||||
);
|
||||
}
|
||||
OpCode::Close => {
|
||||
let _ = onclose.call0(&JsValue::null());
|
||||
break;
|
||||
}
|
||||
_ => panic!("unknown opcode {:?}", frame.opcode),
|
||||
}
|
||||
}
|
||||
}
|
||||
msg = rx.recv() => {
|
||||
if let Some(msg) = msg {
|
||||
match msg {
|
||||
EpxMsg::SendText(payload, err) => {
|
||||
let _ = err.send(ws.write_frame(Frame::text(
|
||||
Payload::Owned(payload.as_bytes().to_vec()),
|
||||
))
|
||||
.await);
|
||||
}
|
||||
EpxMsg::Close => break,
|
||||
}
|
||||
} else {
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
let _ = ws.write_frame(Frame::close(CloseCode::Normal.into(), b""))
|
||||
.await;
|
||||
});
|
||||
|
||||
onopen
|
||||
.call0(&Object::default())
|
||||
.replace_err("Failed to call onopen")?;
|
||||
|
||||
Ok(Self { msg_sender })
|
||||
}
|
||||
|
||||
#[wasm_bindgen]
|
||||
pub async fn send(&mut self, payload: String) -> Result<(), JsError> {
|
||||
let (tx, rx) = oneshot::channel();
|
||||
self.msg_sender.send(EpxMsg::SendText(payload, tx)).await?;
|
||||
Ok(rx.await??)
|
||||
}
|
||||
|
||||
#[wasm_bindgen]
|
||||
pub async fn close(&mut self) -> Result<(), JsError> {
|
||||
self.msg_sender.send(EpxMsg::Close).await?;
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
// https://github.com/snapview/tungstenite-rs/blob/314feea3055a93e585882fb769854a912a7e6dae/src/handshake/client.rs#L189
|
||||
fn verify(response: &Response<Incoming>) -> Result<(), JsError> {
|
||||
if response.status() != StatusCode::SWITCHING_PROTOCOLS {
|
||||
return Err(jerr!("wstcpws connect: Invalid status code"));
|
||||
}
|
||||
|
||||
let headers = response.headers();
|
||||
|
||||
if !headers
|
||||
.get("Upgrade")
|
||||
.and_then(|h| h.to_str().ok())
|
||||
.map(|h| h.eq_ignore_ascii_case("websocket"))
|
||||
.unwrap_or(false)
|
||||
{
|
||||
return Err(jerr!("wstcpws connect: Invalid upgrade header"));
|
||||
}
|
||||
|
||||
if !headers
|
||||
.get("Connection")
|
||||
.and_then(|h| h.to_str().ok())
|
||||
.map(|h| h.eq_ignore_ascii_case("Upgrade"))
|
||||
.unwrap_or(false)
|
||||
{
|
||||
return Err(jerr!("wstcpws connect: Invalid upgrade header"));
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue