veilid/veilid-server/src/unix.rs
2023-08-22 21:12:23 +00:00

101 lines
3.1 KiB
Rust

use crate::*;
use crate::server::*;
use crate::settings::Settings;
use crate::tools::*;
use crate::veilid_logs::*;
use futures_util::StreamExt;
use signal_hook::consts::signal::*;
use signal_hook_async_std::Signals;
use veilid_core::tools::*;
#[instrument(skip(signals))]
async fn handle_signals(mut signals: Signals) {
while let Some(signal) = signals.next().await {
match signal {
SIGHUP => {
// XXX: reload configuration?
}
SIGTERM | SIGINT | SIGQUIT => {
// Shutdown the system;
shutdown();
}
_ => unreachable!(),
}
}
}
#[warn(missing_docs)]
#[instrument(err)]
pub fn run_daemon(settings: Settings, _args: CmdlineArgs) -> EyreResult<()> {
let daemon = {
let mut daemon = daemonize::Daemonize::new();
let s = settings.read();
if let Some(pid_file) = s.daemon.pid_file.clone() {
daemon = daemon.pid_file(pid_file.clone());
}
if let Some(chroot) = &s.daemon.chroot {
daemon = daemon.chroot(chroot);
}
if let Some(working_directory) = &s.daemon.working_directory {
daemon = daemon.working_directory(working_directory);
}
if let Some(user) = &s.daemon.user {
daemon = daemon.user(user.as_str());
}
if let Some(group) = &s.daemon.group {
daemon = daemon.group(group.as_str());
}
let stdout_file = if let Some(stdout_file) = &s.daemon.stdout_file {
Some(std::fs::File::create(stdout_file).wrap_err("Failed to create stdio file")?)
} else {
None
};
if let Some(stderr_file) = &s.daemon.stderr_file {
if Some(stderr_file) == s.daemon.stdout_file.as_ref() {
// same output file for stderr and stdout
daemon = daemon.stderr(
stdout_file
.as_ref()
.unwrap()
.try_clone()
.wrap_err("Failed to clone stdout file")?,
);
} else {
daemon = daemon.stderr(
std::fs::File::create(stderr_file).wrap_err("Failed to create stderr file")?,
);
}
}
if let Some(stdout_file) = stdout_file {
daemon = daemon.stdout(stdout_file);
}
daemon
};
// Now, run the server
block_on(async {
// Init combined console/file logger
let veilid_logs = VeilidLogs::setup(settings.clone())?;
// Daemonize
daemon.start().wrap_err("Failed to daemonize")?;
// Catch signals
let signals =
Signals::new(&[SIGHUP, SIGTERM, SIGINT, SIGQUIT]).wrap_err("failed to init signals")?;
let handle = signals.handle();
let signals_task = spawn(handle_signals(signals));
let res = run_veilid_server(settings, ServerMode::Normal, veilid_logs).await;
// Terminate the signal stream.
handle.close();
let _ = signals_task.await;
res
})
}