Function exchange

atomic-cli/src/commands/agent/owner.rs:1416–1422

(endpoint: &str, frame: &RequestFrame)

#[cfg(unix)]
async fn exchange(endpoint: &str, frame: &RequestFrame) -> anyhow::Result<ResponseFrame> {
    let mut stream = tokio::net::UnixStream::connect(endpoint)
        .await
        .with_context(|| format!("database owner is not reachable at {endpoint}"))?;
    write_frame(&mut stream, frame).await?;
    read_frame(&mut stream).await
}

#[cfg(windows)]
async fn exchange(endpoint: &str, frame: &RequestFrame) -> anyhow::Result<ResponseFrame> {