Exchange data via websockets

Use websockets to send binary messages to the server. The server logs
the time taken by the client, as well as the time calculated with the
received messages sent by the client.
This commit is contained in:
finga 2022-09-20 16:23:45 +02:00
parent b12b8765a9
commit afa1d19dd8
6 changed files with 559 additions and 42 deletions

442
Cargo.lock generated
View file

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"cfg-if",
"cpufeatures",
"digest",
]
[[package]]
name = "sha1"
version = "0.10.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f04293dc80c3993519f2d7f6f511707ee7094fe0c6d3406feb330cdb3540eba3"
dependencies = [
"cfg-if",
"cpufeatures",
"digest",
]
[[package]] [[package]]
name = "sharded-slab" name = "sharded-slab"
version = "0.1.4" version = "0.1.4"
@ -945,9 +1203,9 @@ checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
[[package]] [[package]]
name = "syn" name = "syn"
version = "1.0.99" version = "1.0.101"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "58dbef6ec655055e20b86b15a8cc6d439cca19b667537ac6a1369572d151ab13" checksum = "e90cde112c4b9690b8cbe810cba9ddd8bc1d7472e2cae317b69e9438c1cba7d2"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
@ -969,26 +1227,20 @@ dependencies = [
"winapi-util", "winapi-util",
] ]
[[package]]
name = "textwrap"
version = "0.15.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "949517c0cf1bf4ee812e2e07e08ab448e3ae0d23472aee8a06c985f0c8815b16"
[[package]] [[package]]
name = "thiserror" name = "thiserror"
version = "1.0.35" version = "1.0.37"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c53f98874615aea268107765aa1ed8f6116782501d18e53d08b471733bea6c85" checksum = "10deb33631e3c9018b9baf9dcbbc4f737320d2b576bac10f6aefa048fa407e3e"
dependencies = [ dependencies = [
"thiserror-impl", "thiserror-impl",
] ]
[[package]] [[package]]
name = "thiserror-impl" name = "thiserror-impl"
version = "1.0.35" version = "1.0.37"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f8b463991b4eab2d801e724172285ec4195c650e8ec79b149e6c2a8e6dd3f783" checksum = "982d17546b47146b28f7c22e3d08465f6b8903d0ea13c1660d9d84a6e7adcdbb"
dependencies = [ dependencies = [
"proc-macro2", "proc-macro2",
"quote", "quote",
@ -1005,10 +1257,25 @@ dependencies = [
] ]
[[package]] [[package]]
name = "tokio" name = "tinyvec"
version = "1.21.1" version = "1.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0020c875007ad96677dcc890298f4b942882c5d4eb7cc8f439fc3bf813dc9c95" checksum = "87cc5ceb3875bb20c2890005a4e226a4651264a5c75edb2421b52861a0a0cb50"
dependencies = [
"tinyvec_macros",
]
[[package]]
name = "tinyvec_macros"
version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
[[package]]
name = "tokio"
version = "1.21.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a9e03c497dc955702ba729190dc4aac6f2a0ce97f913e5b1b5912fc5039d9099"
dependencies = [ dependencies = [
"autocfg", "autocfg",
"bytes", "bytes",
@ -1016,7 +1283,6 @@ dependencies = [
"memchr", "memchr",
"mio", "mio",
"num_cpus", "num_cpus",
"once_cell",
"parking_lot", "parking_lot",
"pin-project-lite", "pin-project-lite",
"signal-hook-registry", "signal-hook-registry",
@ -1036,6 +1302,18 @@ dependencies = [
"syn", "syn",
] ]
[[package]]
name = "tokio-tungstenite"
version = "0.17.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f714dd15bead90401d77e04243611caec13726c2408afd5b31901dfcdcb3b181"
dependencies = [
"futures-util",
"log",
"tokio",
"tungstenite",
]
[[package]] [[package]]
name = "tokio-util" name = "tokio-util"
version = "0.7.4" version = "0.7.4"
@ -1160,6 +1438,31 @@ version = "0.2.3"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642" checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
[[package]]
name = "tungstenite"
version = "0.17.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e27992fd6a8c29ee7eef28fc78349aa244134e10ad447ce3b9f0ac0ed0fa4ce0"
dependencies = [
"base64",
"byteorder",
"bytes",
"http",
"httparse",
"log",
"rand",
"sha-1",
"thiserror",
"url",
"utf-8",
]
[[package]]
name = "typenum"
version = "1.15.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "dcf81ac59edc17cc8697ff311e8f5ef2d99fcbd9817b34cec66f90b6c3dfd987"
[[package]] [[package]]
name = "unicase" name = "unicase"
version = "2.6.0" version = "2.6.0"
@ -1169,12 +1472,44 @@ dependencies = [
"version_check", "version_check",
] ]
[[package]]
name = "unicode-bidi"
version = "0.3.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "099b7128301d285f79ddd55b9a83d5e6b9e97c92e0ea0daebee7263e932de992"
[[package]] [[package]]
name = "unicode-ident" name = "unicode-ident"
version = "1.0.4" version = "1.0.4"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "dcc811dc4066ac62f84f11307873c4850cb653bfa9b1719cee2bd2204a4bc5dd" checksum = "dcc811dc4066ac62f84f11307873c4850cb653bfa9b1719cee2bd2204a4bc5dd"
[[package]]
name = "unicode-normalization"
version = "0.1.22"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5c5713f0fc4b5db668a2ac63cdb7bb4469d8c9fed047b1d0292cc7b0ce2ba921"
dependencies = [
"tinyvec",
]
[[package]]
name = "url"
version = "2.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0d68c799ae75762b8c3fe375feb6600ef5602c883c5d21eb51c09f22b83c4643"
dependencies = [
"form_urlencoded",
"idna",
"percent-encoding",
]
[[package]]
name = "utf-8"
version = "0.7.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "09cc8ee72d2a9becf2f2febe0205bbed8fc6615b7cb429ad062dc7b7ddd036a9"
[[package]] [[package]]
name = "uuid" name = "uuid"
version = "1.1.2" version = "1.1.2"
@ -1219,6 +1554,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "eaf9f5aceeec8be17c128b2e93e031fb8a4d469bb9c4ae2d7dc1888b26887268" checksum = "eaf9f5aceeec8be17c128b2e93e031fb8a4d469bb9c4ae2d7dc1888b26887268"
dependencies = [ dependencies = [
"cfg-if", "cfg-if",
"serde",
"serde_json",
"wasm-bindgen-macro", "wasm-bindgen-macro",
] ]
@ -1405,3 +1742,34 @@ dependencies = [
"quote", "quote",
"syn", "syn",
] ]
[[package]]
name = "yew-router"
version = "0.16.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "155804f6f3aa309f596d5c3fa14486a94e7756f1edd7634569949e401d5099f2"
dependencies = [
"gloo",
"gloo-utils",
"js-sys",
"route-recognizer",
"serde",
"serde-wasm-bindgen",
"serde_urlencoded",
"thiserror",
"wasm-bindgen",
"web-sys",
"yew",
"yew-router-macro",
]
[[package]]
name = "yew-router-macro"
version = "0.16.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "39049d193b52eaad4ffc80916bf08806d142c90b5edcebd527644de438a7e19a"
dependencies = [
"proc-macro2",
"quote",
"syn",
]

View file

@ -14,5 +14,12 @@ yew = "0.19"
console_error_panic_hook = "0.1" console_error_panic_hook = "0.1"
log = "0.4" log = "0.4"
wasm-logger = "0.2" wasm-logger = "0.2"
futures = "0.3"
gloo-timers = "0.2" gloo-timers = "0.2"
gloo-net = "0.2"
instant = { version = "0.1", features = [ "wasm-bindgen" ] } instant = { version = "0.1", features = [ "wasm-bindgen" ] }
wasm-bindgen-futures = "0.4"
bincode = "1"
yew-router = "0.16"
serde = { version = "1", features = ["derive"] }
tokio = { version = "1", default-features = false, features = ["sync"] }

9
client/src/lib.rs Normal file
View file

@ -0,0 +1,9 @@
use serde::{Deserialize, Serialize};
use std::time::Duration;
#[derive(Debug, Deserialize, Serialize)]
pub enum Message {
Start,
Stop,
Duration(Duration),
}

View file

@ -1,6 +1,58 @@
use futures::{
stream::{SplitSink, SplitStream},
SinkExt, StreamExt,
};
use gloo_net::websocket::{futures::WebSocket, Message};
use gloo_timers::callback::Interval; use gloo_timers::callback::Interval;
use instant::Instant; use instant::Instant;
use log::debug;
use std::sync::Arc;
use tokio::sync::Mutex;
use wasm_bindgen_futures::spawn_local;
use yew::prelude::*; use yew::prelude::*;
use yew_router::prelude::*;
#[derive(Clone, Debug, Eq, PartialEq, Routable)]
pub enum Route {
#[at("/")]
LockWatch,
#[not_found]
#[at("/404")]
NotFound,
}
struct WebSocketHandle {
writer: Arc<Mutex<SplitSink<WebSocket, Message>>>,
_reader: Arc<Mutex<SplitStream<WebSocket>>>,
}
impl WebSocketHandle {
fn connect(url: &str) -> Self {
debug!("connecting to websocket `{}`", url);
let ws = WebSocket::open(url)
.unwrap_or_else(|_| panic!("could not connect to websocket `{}`", url));
let (writer, reader) = ws.split();
Self {
writer: Arc::new(Mutex::new(writer)),
_reader: Arc::new(Mutex::new(reader)),
}
}
fn send(&self, msg: client::Message) {
let writer = self.writer.clone();
spawn_local(async move {
writer
.lock()
.await
.send(Message::Bytes(
bincode::serialize(&msg).expect("could not serialize websocket message"),
))
.await
.expect("could not send websocket message");
});
}
}
enum Msg { enum Msg {
Start, Start,
@ -9,6 +61,7 @@ enum Msg {
} }
struct LockWatch { struct LockWatch {
websocket: WebSocketHandle,
duration: Option<Instant>, duration: Option<Instant>,
duration_handle: Option<Interval>, duration_handle: Option<Interval>,
} }
@ -38,6 +91,7 @@ impl Component for LockWatch {
fn create(_ctx: &Context<Self>) -> Self { fn create(_ctx: &Context<Self>) -> Self {
Self { Self {
websocket: WebSocketHandle::connect("ws://localhost:3000/api/ws"),
duration: None, duration: None,
duration_handle: None, duration_handle: None,
} }
@ -47,6 +101,8 @@ impl Component for LockWatch {
match msg { match msg {
Msg::Start => { Msg::Start => {
self.duration = Some(Instant::now()); self.duration = Some(Instant::now());
self.websocket.send(client::Message::Start);
self.duration_handle = { self.duration_handle = {
let link = ctx.link().clone(); let link = ctx.link().clone();
Some(Interval::new(1, move || { Some(Interval::new(1, move || {
@ -54,7 +110,12 @@ impl Component for LockWatch {
})) }))
}; };
} }
Msg::Stop => self.duration_handle = None, Msg::Stop => {
self.duration_handle = None;
self.websocket.send(client::Message::Stop);
let duration = self.duration.expect("could not get duration").elapsed();
self.websocket.send(client::Message::Duration(duration));
}
Msg::UpdateDuration => {} Msg::UpdateDuration => {}
} }

View file

@ -12,10 +12,13 @@ categories = ["web-programming::http-server"]
[dependencies] [dependencies]
anyhow = "1" anyhow = "1"
log = "0.4" log = "0.4"
axum = "0.5" axum = { version = "0.5", features = ["ws", "headers"] }
axum-extra = { version = "0.3", features = ["spa"] } axum-extra = { version = "0.3", features = ["spa"] }
tokio = { version = "1.0", features = ["full"] } tokio = { version = "1.0", features = ["full"] }
tracing-subscriber = "0.3" tracing-subscriber = "0.3"
tower = "0.4" tower = "0.4"
tower-http = { version = "0.3", features = ["full"] } tower-http = { version = "0.3", features = ["full"] }
clap = { version = "3", features = ["derive"] } clap = { version = "4", features = ["derive"] }
headers = "0.3"
bincode = "1"
client = { path = "../client" }

View file

@ -1,11 +1,21 @@
use anyhow::Result; use anyhow::Result;
use axum::Router; use axum::{
extract::{
ws::{Message, WebSocket},
WebSocketUpgrade,
},
response::IntoResponse,
routing::get,
Router, TypedHeader,
};
use axum_extra::routing::SpaRouter; use axum_extra::routing::SpaRouter;
use clap::{ArgAction, Parser}; use clap::{ArgAction, Parser};
use log::info; use headers::UserAgent;
use log::{debug, error, info, trace, warn};
use std::{ use std::{
env, env,
net::{IpAddr, SocketAddr}, net::{IpAddr, SocketAddr},
time::Instant,
}; };
use tower::ServiceBuilder; use tower::ServiceBuilder;
use tower_http::trace::TraceLayer; use tower_http::trace::TraceLayer;
@ -27,6 +37,64 @@ struct Cli {
verbosity: u8, verbosity: u8,
} }
async fn handle_websocket(mut socket: WebSocket) {
let mut start: Option<Instant> = None;
loop {
if let Some(msg) = socket.recv().await {
if let Ok(msg) = msg {
match msg {
Message::Binary(b) => {
if let Ok(message) = bincode::deserialize::<client::Message>(&b) {
trace!("received message on websocket: {:?}", message);
match message {
client::Message::Start => start = Some(Instant::now()),
client::Message::Stop => {
if let Some(start) = start {
info!("server measured {:?}", start.elapsed());
} else {
error!("received stop message without running clock");
}
}
client::Message::Duration(d) => info!("client measured {:?}", d),
}
} else {
error!("received invalid message: {:?}", b);
}
}
Message::Ping(p) => {
debug!("websocket ping: {:?}", p);
}
Message::Pong(p) => {
debug!("websocket pong: {:?}", p);
}
Message::Close(m) => {
info!("client disconnected: {:?}", m);
return;
}
Message::Text(_) => warn!("websocket text messages are not implemented"),
}
} else {
info!("client disconnected");
return;
}
}
}
}
#[allow(clippy::unused_async)]
async fn websocket_handler(
ws: WebSocketUpgrade,
user_agent: Option<TypedHeader<UserAgent>>,
) -> impl IntoResponse {
if let Some(TypedHeader(user_agent)) = user_agent {
info!("`{}` connected", user_agent.as_str());
}
ws.on_upgrade(handle_websocket)
}
#[tokio::main] #[tokio::main]
async fn main() -> Result<()> { async fn main() -> Result<()> {
let cli = Cli::parse(); let cli = Cli::parse();
@ -38,6 +106,7 @@ async fn main() -> Result<()> {
tracing_subscriber::fmt::init(); tracing_subscriber::fmt::init();
let app = Router::new() let app = Router::new()
.route("/api/ws", get(websocket_handler))
.merge(SpaRouter::new("/client", cli.static_dir)) .merge(SpaRouter::new("/client", cli.static_dir))
.layer(ServiceBuilder::new().layer(TraceLayer::new_for_http())); .layer(ServiceBuilder::new().layer(TraceLayer::new_for_http()));