99 lines
3.4 KiB
Rust
99 lines
3.4 KiB
Rust
use foxtrot::{
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io::{Nonblocking, Readiness},
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net::TcpListener,
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Async,
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};
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use jitterbug::Executor;
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use read_write_buf::ReadWriteBuf;
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use std::time::Duration;
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fn main() -> Result<(), Box<dyn std::error::Error>> {
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let executor = Executor::new();
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for _ in 0..4 {
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let execu2r = executor.clone();
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std::thread::spawn(move || {
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let _ = foxtrot::block_on(execu2r.into_runner());
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});
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}
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let execu2r = executor.clone();
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foxtrot::block_on(executor.run_with(async move {
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let executor = execu2r.clone();
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executor.spawn(async move {
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let mut listener = match Async::<TcpListener>::bind(([127, 0, 0, 1], 3456)).await {
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Ok(listener) => listener,
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Err(_) => return,
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};
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println!("Listening on port 3456");
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loop {
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let (mut stream, _addr) = match listener.accept().await {
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Ok(tup) => tup,
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Err(_) => return,
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};
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execu2r.spawn(async move {
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println!("Accepted stream");
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let mut ring_buf = ReadWriteBuf::<10>::new();
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let mut interests = Readiness::read();
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'l2: loop {
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let readiness = stream.ready(interests).await?;
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if readiness.is_hangup() {
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break;
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}
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if readiness.is_read() {
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while let Some(buf) = ring_buf.for_reading() {
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match stream.read_nonblocking(buf)? {
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Nonblocking::Ready(n) if n > 0 => {
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let should_break = n < buf.len();
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ring_buf.advance_read(n);
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if should_break {
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break;
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}
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}
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Nonblocking::Ready(_) if ring_buf.is_empty() => break 'l2,
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Nonblocking::Ready(_) | Nonblocking::WouldBlock => break,
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}
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}
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if !ring_buf.is_empty() {
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interests = Readiness::read() | Readiness::write();
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}
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}
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if readiness.is_write() {
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while let Some(buf) = ring_buf.for_writing() {
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match stream.write_nonblocking(buf)? {
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Nonblocking::Ready(n) => {
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ring_buf.advance_write(n);
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if ring_buf.is_empty() {
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interests = Readiness::read();
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}
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}
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Nonblocking::WouldBlock => break,
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}
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}
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}
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}
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println!("Stream closed");
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Ok(()) as foxtrot::io::Result<()>
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});
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}
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});
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foxtrot::time::sleep(Duration::from_secs(60 * 2)).await;
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executor.stop();
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println!("Stopping");
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}))??;
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Ok(())
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}
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