177 lines
4.0 KiB
Rust
177 lines
4.0 KiB
Rust
#![warn (clippy::pedantic)]
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use std::{
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net::SocketAddr,
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path::PathBuf,
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sync::Arc,
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};
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use arc_swap::ArcSwap;
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use hyper::{
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Body,
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Request,
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Response,
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Server,
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service::{
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make_service_fn,
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service_fn,
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},
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StatusCode,
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};
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use serde::Deserialize;
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use tracing::debug;
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use ptth_core::{
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http_serde::RequestParts,
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prelude::*,
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};
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use ptth_server::{
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file_server::{
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self,
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metrics,
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State,
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},
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load_toml,
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};
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async fn handle_all (req: Request <Body>, state: Arc <State>)
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-> Result <Response <Body>, anyhow::Error>
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{
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use std::str::FromStr;
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use hyper::header::HeaderName;
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debug! ("req.uri () = {:?}", req.uri ());
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let path_and_query = req.uri ().path_and_query ().map_or_else (|| req.uri ().path (), http::uri::PathAndQuery::as_str);
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let path_and_query = path_and_query.into ();
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let (parts, _) = req.into_parts ();
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let ptth_req = RequestParts::from_hyper (parts.method, path_and_query, parts.headers)?;
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let default_root = PathBuf::from ("./");
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let file_server_root: &std::path::Path = state.config.file_server_root
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.as_ref ()
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.unwrap_or (&default_root);
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let ptth_resp = file_server::serve_all (
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&state,
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file_server_root,
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ptth_req.method,
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&ptth_req.uri,
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&ptth_req.headers
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).await?;
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let mut resp = Response::builder ()
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.status (StatusCode::from (ptth_resp.parts.status_code));
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for (k, v) in ptth_resp.parts.headers {
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resp = resp.header (HeaderName::from_str (&k)?, v);
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}
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let body = ptth_resp.body.map_or_else (Body::empty, Body::wrap_stream);
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Ok (resp.body (body)?)
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}
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#[derive (Deserialize)]
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pub struct ConfigFile {
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pub file_server_root: Option <PathBuf>,
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pub name: Option <String>,
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}
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#[tokio::main]
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async fn main () -> Result <(), anyhow::Error> {
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tracing_subscriber::fmt::init ();
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let path = PathBuf::from ("./config/ptth_server.toml");
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let config_file: ConfigFile = load_toml::load (&path)?;
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info! ("file_server_root: {:?}", config_file.file_server_root);
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let addr = SocketAddr::from(([0, 0, 0, 0], 4000));
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let handlebars = file_server::load_templates (&PathBuf::new ())?;
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let metrics_startup = metrics::Startup::new (
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config_file.name.unwrap_or_else (|| "PTTH File Server".to_string ())
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);
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let metrics_interval = Arc::new (ArcSwap::default ());
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let interval_writer = Arc::clone (&metrics_interval);
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tokio::spawn (async move {
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use std::time::Duration;
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use uom::si::ratio::percent;
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let mut interval = tokio::time::interval (Duration::from_secs (60));
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let mut counter = 0_u64;
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let mut next_10_time = counter;
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let mut metrics_at_last_10: Arc <Option <metrics::Interval>> = Arc::new (None);
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loop {
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interval.tick ().await;
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let new_interval_metrics = match file_server::metrics::Interval::new ().await {
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Err (e) => {
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error! ("Failed to update interval metrics: {:?}", e);
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continue;
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},
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Ok (x) => x,
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};
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let new_interval_metrics = Arc::new (Some (new_interval_metrics));
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if counter >= next_10_time {
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if let (Some (old), Some (new)) = (&*metrics_at_last_10, &*new_interval_metrics) {
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let diff = new.cpu_usage.clone () - old.cpu_usage.clone ();
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trace! ("CPU usage: {}%", diff.get::<percent> ());
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}
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next_10_time += 1;
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metrics_at_last_10 = new_interval_metrics.clone ();
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}
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interval_writer.store (new_interval_metrics);
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counter += 1;
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//trace! ("interval metrics 1");
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}
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});
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let state = Arc::new (State {
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config: file_server::Config {
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file_server_root: config_file.file_server_root,
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},
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handlebars,
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metrics_startup,
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metrics_interval,
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hidden_path: Some (path),
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});
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let make_svc = make_service_fn (|_conn| {
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let state = state.clone ();
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async {
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Ok::<_, String> (service_fn (move |req| {
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let state = state.clone ();
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handle_all (req, state)
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}))
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}
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});
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let (shutdown_rx, forced_shutdown) = ptth_core::graceful_shutdown::init_with_force ();
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let server = Server::bind (&addr)
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.serve (make_svc)
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.with_graceful_shutdown (async move {
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shutdown_rx.await.ok ();
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});
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forced_shutdown.wrap_server (server).await??;
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Ok (())
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}
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