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use crate::{
connection::Connection,
mc_buf,
packets::{ClientIntentionPacket, ConnectionProtocol, ServerboundStatusRequestPacket},
resolver, ServerAddress,
};
use tokio::io::AsyncReadExt;
pub async fn ping_server(address: &ServerAddress) -> Result<(), String> {
let resolved_address = resolver::resolve_address(&address).await?;
let mut conn = Connection::new(&resolved_address).await?;
println!("resolved_address {}", &resolved_address.ip);
println!("writing intention packet {}", address.host);
conn.send_packet(&ClientIntentionPacket {
protocol_version: 757,
hostname: &address.host,
port: address.port,
intention: ConnectionProtocol::Status,
})
.await;
conn.send_packet(&ServerboundStatusRequestPacket {}).await;
let data = mc_buf::read_varint(conn.stream);
println!("data {}", data);
// log what the server sends back
loop {
if 0 == conn.stream.read_buf(&mut conn.buffer).await.unwrap() {
// The remote closed the connection. For this to be a clean
// shutdown, there should be no data in the read buffer. If
// there is, this means that the peer closed the socket while
// sending a frame.
// log conn.buffer
println!("{:?}", conn.buffer);
if conn.buffer.is_empty() {
println!("buffer is empty ok");
return Ok(());
} else {
return Err("connection reset by peer".into());
}
}
}
}
|
