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use tokio::io::{AsyncRead, AsyncReadExt, AsyncWrite, AsyncWriteExt};
pub async fn tcp_send(
connection: &mut (impl AsyncWrite + Unpin),
message: &[u8],
) -> std::io::Result<()> {
let len_raw = (message.len() as u64).to_le_bytes();
connection.write_all(&len_raw).await?;
connection.write_all(message).await?;
connection.flush().await?;
Ok(())
}
pub async fn tcp_receive(connection: &mut (impl AsyncRead + Unpin)) -> std::io::Result<Vec<u8>> {
let reply_len = {
let mut raw = [0; 8];
connection.read_exact(&mut raw).await?;
u64::from_le_bytes(raw) as usize
};
let mut reply = vec![0; reply_len];
connection.read_exact(&mut reply).await?;
Ok(reply)
}
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