1 // Copyright 2021 Ian Jackson and contributors to Hippotat
2 // SPDX-License-Identifier: GPL-3.0-or-later
3 // There is NO WARRANTY.
5 use hippotat::prelude::*;
11 pub use sweb::{WebRequest, WebResponse};
14 #[derive(StructOpt,Debug)]
20 pub config: config::Opts,
23 pub const METADATA_MAX_LEN: usize = MAX_OVERHEAD;
24 pub const INTERNAL_QUEUE: usize = 15; // xxx: config
28 config: config::InstanceConfigGlobal,
29 all_clients: HashMap<ClientName, User>,
32 pub type RoutedPacket = Box<[u8]>; // not MIME data
34 #[throws(PacketError)]
35 pub async fn route_packet(global: &Global,
36 conn: &str, link: &(dyn Display + Sync),
37 packet: RoutedPacket, daddr: IpAddr)
39 let c = &global.config;
40 let len = packet.len();
41 let trace = |how: &str, why: &str| {
42 trace!("{} {} {} {} {:?} len={}",
43 conn, link, how, why, daddr, len);
47 if daddr == c.vaddr || ! c.vnetwork.iter().any(|n| n.contains(&daddr)) {
48 (None, "ipif-inbound-xxx")
49 } else if daddr == c.vrelay {
51 } else if let Some(client) = global.all_clients.get(&ClientName(daddr)) {
52 (Some(&client.route), "client")
57 let dest = if let Some(d) = dest { d } else {
58 trace("discard", why); return;
61 match dest.send(packet).await {
62 Ok(()) => trace("forward", why),
63 Err(_) => trace("task-crashed!", why),
69 let opts = Opts::from_args();
75 let (global, ipif) = config::startup(
76 "hippotatd", LinkEnd::Server,
77 &opts.config, &opts.log, |ics|
79 let global_config = config::InstanceConfigGlobal::from(&ics);
81 let ipif = Ipif::start(&global_config.ipif, None)?;
83 let ics = ics.into_iter().map(Arc::new).collect_vec();
84 let (client_handles_send, client_handles_recv) = ics.iter()
86 let (web_send, web_recv) = mpsc::channel(
87 5 // xxx should me max_requests_outstanding but that's
88 // marked client-only so needs rework
90 let (route_send, route_recv) = mpsc::channel(
93 ((web_send, route_send), (web_recv, route_recv))
94 }).unzip::<_,_,Vec<_>,Vec<_>>();
96 let all_clients = izip!(
99 ).map(|(ic, (web_send, route_send))| {
108 let global = Arc::new(Global {
109 config: global_config,
113 for (ic, (web_recv, route_recv)) in izip!(
117 let global_ = global.clone();
118 let ic_ = ic.clone();
119 tasks.push((tokio::spawn(async move {
120 suser::run(global_, ic_, web_recv, route_recv)
121 .await.void_unwrap_err()
122 }), format!("client {}", &ic)));
125 for addr in &global.config.addrs {
126 let global_ = global.clone();
127 let make_service = hyper::service::make_service_fn(
128 move |conn: &hyper::server::conn::AddrStream| {
129 let global_ = global_.clone();
130 let conn = Arc::new(format!("[{}]", conn.remote_addr()));
131 async { Ok::<_, Void>( hyper::service::service_fn(move |req| {
132 sweb::handle(conn.clone(), global_.clone(), req)
137 let addr = SocketAddr::new(*addr, global.config.port);
138 let server = hyper::Server::try_bind(&addr)
140 .http1_preserve_header_case(true)
141 .serve(make_service);
142 info!("listening on {}", &addr);
143 let task = tokio::task::spawn(async move {
145 Ok(()) => anyhow!("shut down?!"),
149 tasks.push((task, format!("http server {}", addr)));
155 let died = future::select_all(
156 tasks.iter_mut().map(|e| &mut e.0)
158 error!("xxx {:?}", &died);
160 ipif.quitting(None).await;