59 lines
2.2 KiB
Rust
59 lines
2.2 KiB
Rust
use std::convert::TryFrom;
|
|
use std::sync::Arc;
|
|
|
|
use syndicate::actor::*;
|
|
use syndicate::enclose;
|
|
use syndicate::supervise::{Supervisor, SupervisorConfiguration};
|
|
|
|
use tokio::net::TcpListener;
|
|
|
|
use crate::language::language;
|
|
use crate::lifecycle;
|
|
use crate::protocol::detect_protocol;
|
|
use crate::schemas::internal_services::TcpRelayListener;
|
|
|
|
use syndicate_macros::during;
|
|
|
|
pub fn on_demand(t: &mut Activation, ds: Arc<Cap>, gateway: Arc<Cap>) {
|
|
t.spawn(syndicate::name!("on_demand", module = module_path!()), move |t| {
|
|
Ok(during!(t, ds, language(), <run-service $spec: TcpRelayListener>, |t| {
|
|
Supervisor::start(
|
|
t,
|
|
syndicate::name!(parent: None, "relay", addr = ?spec),
|
|
SupervisorConfiguration::default(),
|
|
enclose!((ds, spec) lifecycle::updater(ds, spec)),
|
|
enclose!((ds, gateway) move |t|
|
|
enclose!((ds, gateway, spec) run(t, ds, gateway, spec))))
|
|
}))
|
|
});
|
|
}
|
|
|
|
fn run(t: &mut Activation, ds: Arc<Cap>, gateway: Arc<Cap>, spec: TcpRelayListener) -> ActorResult {
|
|
let host = spec.addr.host.clone();
|
|
let port = u16::try_from(&spec.addr.port).map_err(|_| "Invalid TCP port number")?;
|
|
let parent_span = tracing::Span::current();
|
|
let facet = t.facet.clone();
|
|
t.linked_task(syndicate::name!("listener"), async move {
|
|
let listen_addr = format!("{}:{}", host, port);
|
|
let listener = TcpListener::bind(listen_addr).await?;
|
|
facet.activate(Account::new(syndicate::name!("readiness")), |t| {
|
|
tracing::info!("listening");
|
|
ds.assert(t, language(), &lifecycle::ready(&spec));
|
|
Ok(())
|
|
})?;
|
|
loop {
|
|
let (stream, addr) = listener.accept().await?;
|
|
Actor::new().boot(
|
|
syndicate::name!(parent: parent_span.clone(), "conn"),
|
|
enclose!((gateway) move |t| Ok(t.linked_task(tracing::Span::current(), {
|
|
let facet = t.facet.clone();
|
|
async move {
|
|
detect_protocol(facet, stream, gateway, addr).await?;
|
|
Ok(LinkedTaskTermination::KeepFacet)
|
|
}
|
|
}))));
|
|
}
|
|
});
|
|
Ok(())
|
|
}
|