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#![no_std]
use defmt::{assert, *};
use embassy_futures::join::join;
use embassy_net::driver::Driver;
use embassy_net::tcp::TcpSocket;
use embassy_net::{Ipv4Address, Stack};
use embassy_time::{with_timeout, Duration, Timer};
pub struct Expected {
pub down_kbps: usize,
pub up_kbps: usize,
pub updown_kbps: usize,
}
pub async fn run<D: Driver>(stack: &Stack<D>, expected: Expected) {
info!("Waiting for DHCP up...");
while stack.config_v4().is_none() {
Timer::after(Duration::from_millis(100)).await;
}
info!("IP addressing up!");
let down = test_download(stack).await;
let up = test_upload(stack).await;
let updown = test_upload_download(stack).await;
assert!(down > expected.down_kbps);
assert!(up > expected.up_kbps);
assert!(updown > expected.updown_kbps);
}
const TEST_DURATION: usize = 10;
const IO_BUFFER_SIZE: usize = 1024;
const RX_BUFFER_SIZE: usize = 4096;
const TX_BUFFER_SIZE: usize = 4096;
const SERVER_ADDRESS: Ipv4Address = Ipv4Address::new(192, 168, 2, 2);
const DOWNLOAD_PORT: u16 = 4321;
const UPLOAD_PORT: u16 = 4322;
const UPLOAD_DOWNLOAD_PORT: u16 = 4323;
async fn test_download<D: Driver>(stack: &Stack<D>) -> usize {
info!("Testing download...");
let mut rx_buffer = [0; RX_BUFFER_SIZE];
let mut tx_buffer = [0; TX_BUFFER_SIZE];
let mut socket = TcpSocket::new(stack, &mut rx_buffer, &mut tx_buffer);
socket.set_timeout(Some(Duration::from_secs(10)));
info!("connecting to {:?}:{}...", SERVER_ADDRESS, DOWNLOAD_PORT);
if let Err(e) = socket.connect((SERVER_ADDRESS, DOWNLOAD_PORT)).await {
error!("connect error: {:?}", e);
return 0;
}
info!("connected, testing...");
let mut rx_buf = [0; IO_BUFFER_SIZE];
let mut total: usize = 0;
with_timeout(Duration::from_secs(TEST_DURATION as _), async {
loop {
match socket.read(&mut rx_buf).await {
Ok(0) => {
error!("read EOF");
return 0;
}
Ok(n) => total += n,
Err(e) => {
error!("read error: {:?}", e);
return 0;
}
}
}
})
.await
.ok();
let kbps = (total + 512) / 1024 / TEST_DURATION;
info!("download: {} kB/s", kbps);
kbps
}
async fn test_upload<D: Driver>(stack: &Stack<D>) -> usize {
info!("Testing upload...");
let mut rx_buffer = [0; RX_BUFFER_SIZE];
let mut tx_buffer = [0; TX_BUFFER_SIZE];
let mut socket = TcpSocket::new(stack, &mut rx_buffer, &mut tx_buffer);
socket.set_timeout(Some(Duration::from_secs(10)));
info!("connecting to {:?}:{}...", SERVER_ADDRESS, UPLOAD_PORT);
if let Err(e) = socket.connect((SERVER_ADDRESS, UPLOAD_PORT)).await {
error!("connect error: {:?}", e);
return 0;
}
info!("connected, testing...");
let buf = [0; IO_BUFFER_SIZE];
let mut total: usize = 0;
with_timeout(Duration::from_secs(TEST_DURATION as _), async {
loop {
match socket.write(&buf).await {
Ok(0) => {
error!("write zero?!??!?!");
return 0;
}
Ok(n) => total += n,
Err(e) => {
error!("write error: {:?}", e);
return 0;
}
}
}
})
.await
.ok();
let kbps = (total + 512) / 1024 / TEST_DURATION;
info!("upload: {} kB/s", kbps);
kbps
}
async fn test_upload_download<D: Driver>(stack: &Stack<D>) -> usize {
info!("Testing upload+download...");
let mut rx_buffer = [0; RX_BUFFER_SIZE];
let mut tx_buffer = [0; TX_BUFFER_SIZE];
let mut socket = TcpSocket::new(stack, &mut rx_buffer, &mut tx_buffer);
socket.set_timeout(Some(Duration::from_secs(10)));
info!("connecting to {:?}:{}...", SERVER_ADDRESS, UPLOAD_DOWNLOAD_PORT);
if let Err(e) = socket.connect((SERVER_ADDRESS, UPLOAD_DOWNLOAD_PORT)).await {
error!("connect error: {:?}", e);
return 0;
}
info!("connected, testing...");
let (mut reader, mut writer) = socket.split();
let tx_buf = [0; IO_BUFFER_SIZE];
let mut rx_buf = [0; IO_BUFFER_SIZE];
let mut total: usize = 0;
let tx_fut = async {
loop {
match writer.write(&tx_buf).await {
Ok(0) => {
error!("write zero?!??!?!");
return 0;
}
Ok(_) => {}
Err(e) => {
error!("write error: {:?}", e);
return 0;
}
}
}
};
let rx_fut = async {
loop {
match reader.read(&mut rx_buf).await {
Ok(0) => {
error!("read EOF");
return 0;
}
Ok(n) => total += n,
Err(e) => {
error!("read error: {:?}", e);
return 0;
}
}
}
};
with_timeout(Duration::from_secs(TEST_DURATION as _), join(tx_fut, rx_fut))
.await
.ok();
let kbps = (total + 512) / 1024 / TEST_DURATION;
info!("upload+download: {} kB/s", kbps);
kbps
}
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