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use tokio::{
io::{AsyncReadExt, AsyncWriteExt},
net::TcpStream,
};
pub async fn tcp_send(connection: &mut TcpStream, 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 TcpStream) -> 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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