#rust tcp server frame.
# Examples Echo
``` rust
#![feature(async_closure)]
use tcpserver::tokio;
use tokio::io::AsyncReadExt;
use tcpserver::XBWrite;
use tcpserver::Builder;
#[tokio::main]
async fn main() {
let tcpserver = Builder::new("0.0.0.0:5555")
.set_connect_event(|addr| {
println!("{:?} connect", addr);
true
}).set_input_event(async move |mut reader, peer| {
let mut buff = [0; 4096];
while let Ok(len) = peer.reader.read(&mut buff).await {
if len==0{
break;
}
println!("{:?}",&buff[..len]);
peer.send(buff[..len].to_vec()).await.unwrap();
}
println!("{:?} disconnect",peer.addr);
}).build().await;
tcpserver.start().await.unwrap();
}
```