examples/tokio_bridge.rs

// socketcan/examples/tokio_bridge.rs
//
// Example application for using Tokio with socketcan-rs.
//
// This file is part of the Rust 'socketcan-rs' library.
//
// Licensed under the MIT license:
//   <LICENSE or http://opensource.org/licenses/MIT>
// This file may not be copied, modified, or distributed except according
// to those terms.

//! A SocketCAN example using Tokio.
//!
//! This sends CAN data frames received on one interface to another.
//!

use futures_util::StreamExt;
use socketcan::{tokio::CanSocket, CanFrame, Result};

#[tokio::main]
async fn main() -> Result<()> {
    let mut sock_rx = CanSocket::open("vcan0")?;
    let sock_tx = CanSocket::open("can0")?;

    while let Some(Ok(frame)) = sock_rx.next().await {
        if matches!(frame, CanFrame::Data(_)) {
            sock_tx.write_frame(frame).await?;
        }
    }

    Ok(())
}