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async-tungstenite/examples/async-std-echo.rs

31 lines
828 B

use async_tungstenite::{async_std::connect_async, tungstenite::Message};
use futures::prelude::*;
use async_std::task;
async fn run() -> Result<(), Box<dyn std::error::Error>> {
#[cfg(any(feature = "async-tls", feature = "async-native-tls"))]
let url = "wss://echo.websocket.org";
#[cfg(not(any(feature = "async-tls", feature = "async-native-tls")))]
let url = "ws://echo.websocket.org";
let (mut ws_stream, _) = connect_async(url).await?;
let text = "Hello, World!";
println!("Sending: \"{}\"", text);
ws_stream.send(Message::text(text)).await?;
let msg = ws_stream
.next()
.await
.ok_or_else(|| "didn't receive anything")??;
println!("Received: {:?}", msg);
Ok(())
}
fn main() -> Result<(), Box<dyn std::error::Error>> {
task::block_on(run())
}