👕 refactor: break apart the relay's main fn so we can see which ports it bound
(on company time)
parent
605c15468a
commit
3f0272ed09
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@ -1,6 +1,7 @@
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use tokio::sync::watch;
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use ptth_quic::prelude::*;
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use ptth_quic::executable_relay_server as relay;
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#[tokio::main]
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async fn main () -> anyhow::Result <()> {
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@ -8,7 +9,7 @@ async fn main () -> anyhow::Result <()> {
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tracing_subscriber::fmt::init ();
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let opt = ptth_quic::executable_relay_server::Opt::from_args ();
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let opt = relay::Opt::from_args ();
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let (running_tx, mut running_rx) = watch::channel (true);
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@ -17,8 +18,15 @@ async fn main () -> anyhow::Result <()> {
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})?;
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trace! ("Set Ctrl+C handler");
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let app = relay::App::new (opt)?;
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println! ("Base64 cert: {}", base64::encode (app.server_cert ()));
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println! ("Listening on {}", app.listen_addr ());
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tokio::fs::create_dir_all ("ptth_quic_output").await?;
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tokio::fs::write ("ptth_quic_output/quic_server.crt", app.server_cert ()).await?;
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tokio::select! {
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val = ptth_quic::executable_relay_server::main (opt) => {
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val = app.run () => {
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},
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val = running_rx.changed () => {
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@ -18,162 +18,191 @@ use crate::prelude::*;
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use protocol::PeerId;
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#[derive (Debug, StructOpt)]
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pub (crate) struct Opt {
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pub struct Opt {
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#[structopt (long)]
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pub (crate) listen_addr: Option <String>,
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#[structopt (long)]
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pub (crate) tcp_listen_port: Option <u16>,
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}
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pub (crate) async fn main (opt: Opt) -> anyhow::Result <()>
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{
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let listen_addr = opt.listen_addr.unwrap_or_else (|| String::from ("0.0.0.0:30380")).parse ()?;
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let (endpoint, server_cert) = make_server_endpoint (listen_addr)?;
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println! ("Base64 cert: {}", base64::encode (&server_cert));
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println! ("Listening on {}", listen_addr);
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pub struct App {
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endpoint: quinn::Endpoint,
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listen_addr: SocketAddr,
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server_cert: Vec <u8>,
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tcp_listen_port: Option <u16>,
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}
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tokio::fs::create_dir_all ("ptth_quic_output").await?;
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tokio::fs::write ("ptth_quic_output/quic_server.crt", &server_cert).await?;
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impl App {
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pub fn new (opt: Opt) -> anyhow::Result <Self> {
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let listen_addr = opt.listen_addr.unwrap_or_else (|| String::from ("0.0.0.0:30380")).parse ()?;
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let (endpoint, server_cert) = make_server_endpoint (listen_addr)?;
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let relay_state = RelayState::default ();
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if let Err (e) = relay_state.reload_config ().await {
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error! ("{:?}", e);
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let listen_addr = endpoint.local_addr ()?;
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Ok (Self {
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endpoint,
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listen_addr,
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server_cert,
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tcp_listen_port: opt.tcp_listen_port,
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})
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}
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let relay_state = Arc::new (relay_state);
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let make_svc = {
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let relay_state = Arc::clone (&relay_state);
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make_service_fn (move |_conn| {
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pub fn listen_addr (&self) -> SocketAddr {
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self.listen_addr
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}
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pub fn server_cert (&self) -> &[u8] {
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&self.server_cert
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}
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pub async fn run (self) -> anyhow::Result <()> {
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let Self {
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endpoint,
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listen_addr,
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server_cert,
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tcp_listen_port,
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} = self;
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let relay_state = RelayState::default ();
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if let Err (e) = relay_state.reload_config ().await {
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error! ("{:?}", e);
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}
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let relay_state = Arc::new (relay_state);
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let make_svc = {
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let relay_state = Arc::clone (&relay_state);
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async move {
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Ok::<_, String> (service_fn (move |req| {
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let relay_state = Arc::clone (&relay_state);
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handle_http (req, relay_state)
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}))
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}
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})
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};
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let http_addr = SocketAddr::from (([0, 0, 0, 0], 4004));
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let http_server = Server::bind (&http_addr);
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let _task_reload_config = {
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let relay_state = Arc::clone (&relay_state);
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tokio::spawn (async move {
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let mut interval = tokio::time::interval (std::time::Duration::from_secs (60));
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interval.set_missed_tick_behavior (tokio::time::MissedTickBehavior::Skip);
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loop {
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interval.tick ().await;
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relay_state.reload_config ().await.ok ();
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}
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})
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};
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let task_quic_server = {
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let relay_state = Arc::clone (&relay_state);
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tokio::spawn (async move {
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while let Some (conn) = endpoint.accept ().await {
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make_service_fn (move |_conn| {
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let relay_state = Arc::clone (&relay_state);
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// Each new peer QUIC connection gets its own task
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tokio::spawn (async move {
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let active = relay_state.stats.quic.connect ();
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debug! ("QUIC connections: {}", active);
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async move {
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Ok::<_, String> (service_fn (move |req| {
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let relay_state = Arc::clone (&relay_state);
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match handle_quic_connection (Arc::clone (&relay_state), conn).await {
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Ok (_) => (),
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Err (e) => warn! ("handle_quic_connection `{:?}`", e),
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}
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handle_http (req, relay_state)
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}))
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}
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})
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};
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let active = relay_state.stats.quic.disconnect ();
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debug! ("QUIC connections: {}", active);
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});
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}
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let http_addr = SocketAddr::from (([0, 0, 0, 0], 4004));
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let http_server = Server::bind (&http_addr);
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Ok::<_, anyhow::Error> (())
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})
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};
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let _task_reload_config = {
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let relay_state = Arc::clone (&relay_state);
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tokio::spawn (async move {
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let mut interval = tokio::time::interval (std::time::Duration::from_secs (60));
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interval.set_missed_tick_behavior (tokio::time::MissedTickBehavior::Skip);
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let task_direc_server = {
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let relay_state = Arc::clone (&relay_state);
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loop {
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interval.tick ().await;
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tokio::spawn (async move {
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let sock = UdpSocket::bind("0.0.0.0:30379").await?;
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let mut buf = [0; 2048];
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loop {
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let (len, addr) = sock.recv_from (&mut buf).await?;
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debug! ("{:?} bytes received from {:?}", len, addr);
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relay_state.reload_config ().await.ok ();
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}
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})
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};
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let packet = Vec::from_iter ((&buf [0..len]).into_iter ().map (|x| *x));
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let task_quic_server = {
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let relay_state = Arc::clone (&relay_state);
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tokio::spawn (async move {
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while let Some (conn) = endpoint.accept ().await {
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let relay_state = Arc::clone (&relay_state);
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{
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let mut direc_cookies = relay_state.direc_cookies.lock ().await;
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// Each new peer QUIC connection gets its own task
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tokio::spawn (async move {
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let active = relay_state.stats.quic.connect ();
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debug! ("QUIC connections: {}", active);
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if let Some (direc_state) = direc_cookies.remove (&packet) {
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debug! ("Got PTTH_DIREC cookie for {}", direc_state.p2_id);
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direc_state.p2_addr.send (addr).ok ();
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}
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else {
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debug! ("UDP packet didn't match any PTTH_DIREC cookie");
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match handle_quic_connection (Arc::clone (&relay_state), conn).await {
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Ok (_) => (),
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Err (e) => warn! ("handle_quic_connection `{:?}`", e),
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}
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let active = relay_state.stats.quic.disconnect ();
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debug! ("QUIC connections: {}", active);
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});
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}
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Ok::<_, anyhow::Error> (())
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})
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};
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let task_direc_server = {
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let relay_state = Arc::clone (&relay_state);
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tokio::spawn (async move {
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let sock = UdpSocket::bind("0.0.0.0:30379").await?;
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let mut buf = [0; 2048];
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loop {
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let (len, addr) = sock.recv_from (&mut buf).await?;
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debug! ("{:?} bytes received from {:?}", len, addr);
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let packet = Vec::from_iter ((&buf [0..len]).into_iter ().map (|x| *x));
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{
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let mut direc_cookies = relay_state.direc_cookies.lock ().await;
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if let Some (direc_state) = direc_cookies.remove (&packet) {
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debug! ("Got PTTH_DIREC cookie for {}", direc_state.p2_id);
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direc_state.p2_addr.send (addr).ok ();
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}
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else {
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debug! ("UDP packet didn't match any PTTH_DIREC cookie");
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}
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}
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}
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}
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Ok::<_, anyhow::Error> (())
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})
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};
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let task_http_server = tokio::spawn (async move {
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http_server.serve (make_svc).await?;
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Ok::<_, anyhow::Error> (())
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})
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};
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let task_http_server = tokio::spawn (async move {
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http_server.serve (make_svc).await?;
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Ok::<_, anyhow::Error> (())
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});
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debug! ("Serving HTTP on {:?}", http_addr);
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if let Some (tcp_listen_port) = opt.tcp_listen_port {
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tokio::spawn (async move {
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let cfg = udp_over_tcp::server::Config {
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tcp_port: tcp_listen_port,
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udp_port: listen_addr.port (),
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};
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if let Err (e) = udp_over_tcp::server::main (cfg).await {
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eprintln! ("udp_over_tcp::server::main exited with err {:?}", e);
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}
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});
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}
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{
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let config = relay_state.config.load ();
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dbg! (&config.webhook_url);
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if let Some (webhook_url) = config.webhook_url.clone () {
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let j = json! ({
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"text": "Booting up",
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}).to_string ();
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let http_client = relay_state.http_client.clone ();
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debug! ("Serving HTTP on {:?}", http_addr);
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if let Some (tcp_listen_port) = tcp_listen_port {
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tokio::spawn (async move {
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http_client.post (webhook_url).body (j).send ().await
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let cfg = udp_over_tcp::server::Config {
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tcp_port: tcp_listen_port,
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udp_port: listen_addr.port (),
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};
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if let Err (e) = udp_over_tcp::server::main (cfg).await {
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eprintln! ("udp_over_tcp::server::main exited with err {:?}", e);
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}
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});
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}
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}
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tokio::select! {
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_val = task_quic_server => {
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eprintln! ("QUIC relay server exited, exiting");
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},
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_val = task_http_server => {
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eprintln! ("HTTP server exited, exiting");
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},
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_val = task_direc_server => {
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eprintln! ("PTTH_DIREC server exited, exiting");
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},
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}
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{
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let config = relay_state.config.load ();
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dbg! (&config.webhook_url);
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if let Some (webhook_url) = config.webhook_url.clone () {
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let j = json! ({
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"text": "Booting up",
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}).to_string ();
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let http_client = relay_state.http_client.clone ();
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tokio::spawn (async move {
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http_client.post (webhook_url).body (j).send ().await
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});
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}
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}
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Ok (())
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tokio::select! {
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_val = task_quic_server => {
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eprintln! ("QUIC relay server exited, exiting");
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},
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_val = task_http_server => {
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eprintln! ("HTTP server exited, exiting");
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},
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_val = task_direc_server => {
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eprintln! ("PTTH_DIREC server exited, exiting");
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},
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}
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Ok (())
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}
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}
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async fn handle_http (_req: Request <Body>, relay_state: Arc <RelayState>)
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@ -9,12 +9,12 @@ async fn end_to_end_async () -> anyhow::Result <()> {
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use crate::executable_relay_server as relay;
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let relay_opt = relay::Opt {
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listen_addr: "127.0.0.1:30381".to_string ().into (),
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tcp_listen_port: 8001.into (),
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listen_addr: "127.0.0.1:0".to_string ().into (),
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tcp_listen_port: None,
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};
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let relay_app = relay::App::new (relay_opt)?;
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let task_relay = tokio::spawn (async move {
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relay::main (relay_opt).await?;
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Ok::<_, anyhow::Error> (())
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relay_app.run ().await
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});
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Ok (())
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