ptth/prototypes/quic_demo/src/bin/quic_demo_client.rs

91 lines
2.3 KiB
Rust

use structopt::StructOpt;
use tokio::net::TcpListener;
use quic_demo::prelude::*;
use protocol::PeerId;
#[derive (Debug, StructOpt)]
struct Opt {
#[structopt (long)]
relay_addr: Option <String>,
#[structopt (long)]
client_id: Option <PeerId>,
#[structopt (long)]
server_id: Option <PeerId>,
#[structopt (long)]
client_tcp_port: Option <u16>,
#[structopt (long)]
server_tcp_port: Option <u16>,
}
#[tokio::main]
async fn main () -> anyhow::Result <()> {
tracing_subscriber::fmt::init ();
let opt = Opt::from_args ();
let server_cert = tokio::fs::read ("quic_server.crt").await?;
let relay_addr = opt.relay_addr.unwrap_or_else (|| String::from ("127.0.0.1:30380")).parse ()?;
let endpoint = make_client_endpoint ("0.0.0.0:0".parse ()?, &[&server_cert])?;
debug! ("Connecting to relay server");
let client_id = opt.client_id.unwrap_or_else (|| "bogus_client".to_string ());
let quinn::NewConnection {
connection,
..
} = protocol::p2_connect_to_p3 (&endpoint, &relay_addr, &client_id).await?;
// End of per-client stuff
// Beginning of per-port stuff
let server_id = opt.server_id.unwrap_or_else (|| "bogus_server".to_string ());
let client_tcp_port = opt.client_tcp_port.unwrap_or (30381);
let server_tcp_port = opt.server_tcp_port.unwrap_or (30382);
let listener = TcpListener::bind (("127.0.0.1", client_tcp_port)).await?;
// End of per-port stuff
// Beginning of per-connection stuff
let task_tcp_server = tokio::spawn (async move {
loop {
let (tcp_socket, _) = listener.accept ().await?;
let connection = connection.clone ();
let server_id = server_id.clone ();
tokio::spawn (async move {
let (local_recv, local_send) = tcp_socket.into_split ();
debug! ("Starting PTTH connection");
let (relay_send, relay_recv) = protocol::p2_connect_to_p5 (&connection, &server_id, server_tcp_port).await?;
trace! ("Relaying bytes...");
let ptth_conn = quic_demo::connection::NewConnection {
local_send,
local_recv,
relay_send,
relay_recv,
}.build ();
ptth_conn.wait_for_close ().await?;
debug! ("Ended PTTH connection");
Ok::<_, anyhow::Error> (())
});
}
Ok::<_, anyhow::Error> (())
});
debug! ("Accepting local TCP connections from P1");
task_tcp_server.await??;
Ok (())
}