rust_web_server/server/
mod.rs

1#[cfg(test)]
2pub mod tests;
3#[cfg(test)]
4mod example;
5
6use std::io::prelude::*;
7use std::borrow::Borrow;
8use std::net::{IpAddr, SocketAddr, TcpListener};
9use std::str::FromStr;
10use std::time::Duration;
11
12use crate::request::{METHOD, Request};
13use crate::response::{Response, STATUS_CODE_REASON_PHRASE};
14use crate::app::App;
15use crate::application::Application;
16use crate::core::{New};
17use crate::entry_point::{bootstrap, get_ip_port_thread_count, get_request_allocation_size, set_default_values};
18use crate::header::Header;
19use crate::log::Log;
20use crate::mime_type::MimeType;
21use crate::range::{ContentRange, Range};
22use crate::symbol::SYMBOL;
23use crate::thread_pool::ThreadPool;
24
25pub struct Server {}
26impl Server {
27    pub fn process_request(mut stream: impl Read + Write + Unpin, peer_addr: SocketAddr) -> Vec<u8> {
28        let request_allocation_size = get_request_allocation_size();
29        let mut buffer = vec![0; request_allocation_size as usize];
30        let boxed_read = stream.read(&mut buffer);
31        if boxed_read.is_err() {
32            let message = boxed_read.err().unwrap().to_string();
33            eprintln!("unable to read TCP stream {}", &message);
34
35            let raw_response = Server::bad_request_response(message);
36            let boxed_stream = stream.write(raw_response.borrow());
37            if boxed_stream.is_ok() {
38                stream.flush().unwrap();
39            };
40            return raw_response;
41        }
42
43        boxed_read.unwrap();
44        let request : &[u8] = &buffer;
45
46        // let raw_request = String::from_utf8(Vec::from(request)).unwrap();
47        // println!("\n\n______{}______\n\n", raw_request);
48
49
50        let boxed_request = Request::parse_request(request);
51        if boxed_request.is_err() {
52            let message = boxed_request.err().unwrap();
53            eprintln!("unable to parse request: {}", &message);
54
55            let raw_response = Server::bad_request_response(message);
56            let boxed_stream = stream.write(raw_response.borrow());
57            if boxed_stream.is_ok() {
58                stream.flush().unwrap();
59            };
60            return raw_response;
61        }
62
63
64        let request: Request = boxed_request.unwrap();
65        let (response, request) = App::handle_request(request);
66
67
68        let log_request_response = Log::combined(&request, &response, &peer_addr);
69        println!("{}", log_request_response);
70        let raw_response = Response::generate_response(response, request);
71
72        let boxed_stream = stream.write(raw_response.borrow());
73        if boxed_stream.is_ok() {
74            stream.flush().unwrap();
75        };
76
77        raw_response
78    }
79
80    pub fn bad_request_response(message: String) -> Vec<u8> {
81        let error_request = Request {
82            method: METHOD.get.to_string(),
83            request_uri: "".to_string(),
84            http_version: "".to_string(),
85            headers: vec![],
86            body: vec![],
87        };
88
89        let size = message.chars().count() as u64;
90        let content_range = ContentRange {
91            unit: Range::BYTES.to_string(),
92            range: Range { start: 0, end: size },
93            size: size.to_string(),
94            body: Vec::from(message.as_bytes()),
95            content_type: MimeType::TEXT_PLAIN.to_string(),
96        };
97
98        let header_list = Header::get_header_list(&error_request);
99        let error_response: Response = Response::get_response(
100            STATUS_CODE_REASON_PHRASE.n400_bad_request,
101            Some(header_list),
102            Some(vec![content_range])
103        );
104
105        let response = Response::generate_response(error_response, error_request);
106        return response;
107    }
108
109    pub fn process(mut stream: impl Read + Write + Unpin,
110                   connection: ConnectionInfo,
111                   app: impl Application) -> Result<(), String> {
112        use crate::http::VERSION;
113
114        let request_allocation_size = connection.request_size;
115        let client = connection.client.clone();
116        let client_addr = SocketAddr::new(IpAddr::from_str(client.ip.as_str()).unwrap(), client.port as u16);
117
118        loop {
119            let mut buffer = vec![0; request_allocation_size as usize];
120            let boxed_read = stream.read(&mut buffer);
121            if boxed_read.is_err() {
122                // timeout or client closed — normal end of keep-alive session
123                break;
124            }
125            if boxed_read.unwrap() == 0 {
126                break;
127            }
128
129            let request = match Request::parse(&buffer) {
130                Ok(r) => r,
131                Err(message) => {
132                    let raw_response = Server::bad_request_response(message.clone());
133                    let boxed_stream = stream.write(raw_response.borrow());
134                    if boxed_stream.is_ok() { stream.flush().unwrap(); }
135                    return Err(message);
136                }
137            };
138
139            let keep_alive = {
140                let conn_hdr = request.get_header(Header::_CONNECTION.to_string());
141                match conn_hdr {
142                    Some(h) => h.value.to_lowercase() != "close",
143                    None => request.http_version == VERSION.http_1_1,
144                }
145            };
146
147            let mut response = match app.execute(&request, &connection) {
148                Ok(r) => r,
149                Err(message) => {
150                    let raw_response = Server::bad_request_response(message.clone());
151                    let boxed_stream = stream.write(raw_response.borrow());
152                    if boxed_stream.is_ok() { stream.flush().unwrap(); }
153                    return Err(message);
154                }
155            };
156
157            crate::metrics::record_request();
158            crate::compression::apply_gzip(&request, &mut response);
159
160            response.headers.push(Header {
161                name: Header::_CONNECTION.to_string(),
162                value: if keep_alive { "keep-alive".to_string() } else { "close".to_string() },
163            });
164
165            Log::log_access(&request, &response, &client_addr);
166
167            if let Some(ref filepath) = response.stream_file.clone() {
168                if let Err(e) = Server::write_chunked_file(&mut stream, response, request, filepath) {
169                    return Err(e);
170                }
171            } else {
172                let raw_response = Response::generate_response(response, request);
173                if let Err(e) = stream.write(raw_response.borrow()) {
174                    return Err(e.to_string());
175                }
176                stream.flush().unwrap();
177            }
178
179            if !keep_alive { break; }
180        }
181
182        Ok(())
183    }
184
185    /// Streams a file to `stream` using HTTP/1.1 chunked transfer encoding.
186    /// The response headers are written first, then the file is read and written in 64 KB chunks.
187    pub(crate) fn write_chunked_file(
188        stream: &mut impl Write,
189        mut response: Response,
190        request: Request,
191        filepath: &str,
192    ) -> Result<(), String> {
193        use std::fs::File;
194        use std::io::Read as _;
195
196        response.headers.push(Header {
197            name: Header::_TRANSFER_ENCODING.to_string(),
198            value: "chunked".to_string(),
199        });
200
201        // build status line + headers (no body)
202        let status = [
203            response.http_version.clone(),
204            response.status_code.to_string(),
205            response.reason_phrase.clone(),
206        ].join(SYMBOL.whitespace);
207
208        let mut headers_str = SYMBOL.new_line_carriage_return.to_string();
209        for header in &response.headers {
210            headers_str.push_str(&header.name);
211            headers_str.push_str(Header::NAME_VALUE_SEPARATOR);
212            headers_str.push_str(&header.value);
213            headers_str.push_str(SYMBOL.new_line_carriage_return);
214        }
215        let head = format!("{}{}{}", status, headers_str, SYMBOL.new_line_carriage_return);
216
217        stream.write_all(head.as_bytes()).map_err(|e| e.to_string())?;
218
219        if request.method != METHOD.head && request.method != METHOD.options {
220            let mut file = File::open(filepath).map_err(|e| e.to_string())?;
221            let mut buf = vec![0u8; 65536];
222            loop {
223                let n = file.read(&mut buf).map_err(|e| e.to_string())?;
224                if n == 0 { break; }
225                // chunk header: hex size + CRLF
226                stream.write_all(format!("{:x}\r\n", n).as_bytes()).map_err(|e| e.to_string())?;
227                stream.write_all(&buf[..n]).map_err(|e| e.to_string())?;
228                stream.write_all(b"\r\n").map_err(|e| e.to_string())?;
229            }
230            // terminal chunk
231            stream.write_all(b"0\r\n\r\n").map_err(|e| e.to_string())?;
232        }
233
234        stream.flush().map_err(|e| e.to_string())
235    }
236
237    /// Reads configuration (IP, port, thread count, TLS paths) from the layered config system
238    /// and returns a bound `TcpListener` and a sized `ThreadPool`. Call once at startup.
239    pub fn setup() -> Result<(TcpListener, ThreadPool), String> {
240        let info = Log::info("Rust Web Server");
241        println!("{}", info);
242
243        let usage_info = Log::usage_information();
244        println!("{}", usage_info);
245
246
247        println!("RWS Configuration Start: \n");
248
249        set_default_values();
250        bootstrap();
251
252        println!("\nRWS Configuration End\n\n");
253
254
255        let (ip, port, thread_count) = get_ip_port_thread_count();
256
257
258        let mut ip_readable = ip.to_string();
259
260        if ip.contains(":") {
261            ip_readable = [SYMBOL.opening_square_bracket, &ip, SYMBOL.closing_square_bracket].join("");
262        }
263
264        let bind_addr = [ip_readable, SYMBOL.colon.to_string(), port.to_string()].join(SYMBOL.empty_string);
265
266        #[cfg(feature = "http2")]
267        let protocol = {
268            let cert = std::env::var(crate::entry_point::Config::RWS_CONFIG_TLS_CERT_FILE).unwrap_or_default();
269            if cert.is_empty() { "http" } else { "https" }
270        };
271        #[cfg(not(feature = "http2"))]
272        let protocol = "http";
273
274        println!("Setting up {}://{}...", protocol, &bind_addr);
275
276        let boxed_listener = TcpListener::bind(&bind_addr);
277        if boxed_listener.is_err() {
278            let message = format!("unable to set up TCP listener: {}", boxed_listener.err().unwrap());
279            return Err(message);
280        }
281
282        let listener = boxed_listener.unwrap();
283        let pool = ThreadPool::new(thread_count as usize);
284
285
286        let server_url_thread_count = Log::server_url_thread_count(protocol, &bind_addr, thread_count);
287        println!("{}", server_url_thread_count);
288
289        Ok((listener, pool))
290    }
291
292    /// Accepts TCP connections in a loop and dispatches each to the thread pool.
293    /// Blocks forever (plain HTTP/1.1). For TLS/HTTP2/HTTP3 use [`Server::run_tls`].
294    pub fn run(listener : TcpListener,
295               pool: ThreadPool,
296               app: impl Application + New + Send + 'static + Copy) {
297        for boxed_stream in listener.incoming() {
298            if boxed_stream.is_err() {
299                eprintln!("unable to get TCP stream: {}", boxed_stream.err().unwrap());
300                return;
301            }
302
303            let stream = boxed_stream.unwrap();
304
305            print!("Connection established, ");
306
307            let boxed_local_addr = stream.local_addr();
308            if boxed_local_addr.is_ok() {
309                print!("local addr: {}", boxed_local_addr.unwrap())
310            } else {
311                eprintln!("\nunable to read local addr");
312                return;
313            }
314
315            let boxed_peer_addr = stream.peer_addr();
316            if boxed_peer_addr.is_err() {
317                eprintln!("\nunable to read peer addr");
318                return;
319            }
320            let peer_addr = boxed_peer_addr.unwrap();
321            print!(", peer addr: {}\n", peer_addr.to_string());
322
323            let (server_ip, server_port, _thread_count) = get_ip_port_thread_count();
324            let client_ip = peer_addr.ip().to_string();
325            let client_port = peer_addr.port() as i32;
326            let request_allocation_size = get_request_allocation_size();
327
328            let connection = ConnectionInfo {
329                client: Address {
330                    ip: client_ip.to_string(),
331                    port: client_port
332                },
333                server: Address {
334                    ip: server_ip,
335                    port: server_port
336                },
337                request_size: request_allocation_size,
338            };
339
340
341
342            if let Err(e) = stream.set_read_timeout(Some(Duration::from_secs(30))) {
343                eprintln!("failed to set read timeout: {}", e);
344            }
345
346            pool.execute(move || {
347                crate::metrics::connection_open();
348                let boxed_process = Server::process(stream, connection, app);
349                crate::metrics::connection_close();
350                if boxed_process.is_err() {
351                    crate::metrics::record_error();
352                    let message = boxed_process.err().unwrap();
353                    eprintln!("{}", message);
354                }
355            });
356
357        }
358
359
360    }
361
362}
363
364/// Network context for the current connection, passed into every [`Controller`](crate::controller::Controller).
365#[derive(Clone)]
366pub struct ConnectionInfo {
367    /// Client (peer) address.
368    pub client: Address,
369    /// Server (local) address.
370    pub server: Address,
371    /// Bytes allocated for reading the request.
372    pub request_size: i64
373}
374
375/// IP address and port pair.
376#[derive(Clone)]
377pub struct Address {
378    pub ip: String,
379    pub port: i32
380}
381
382/// Resolves when SIGTERM is received on Unix, or never on other platforms.
383/// Enables a single `select!` branch to handle both SIGTERM and Ctrl+C.
384#[cfg(feature = "http2")]
385async fn sigterm() {
386    #[cfg(unix)]
387    {
388        if let Ok(mut s) = tokio::signal::unix::signal(
389            tokio::signal::unix::SignalKind::terminate()
390        ) {
391            s.recv().await;
392        } else {
393            std::future::pending::<()>().await
394        }
395    }
396    #[cfg(not(unix))]
397    std::future::pending::<()>().await
398}
399
400#[cfg(feature = "http2")]
401impl Server {
402    pub async fn run_tls(
403        listener: TcpListener,
404        pool: ThreadPool,
405        app: impl Application + New + Send + 'static + Copy,
406    ) {
407        use crate::tls::create_tls_acceptor;
408        use crate::h2_handler;
409
410        let cert_path = std::env::var(crate::entry_point::Config::RWS_CONFIG_TLS_CERT_FILE)
411            .unwrap_or_default();
412        let key_path = std::env::var(crate::entry_point::Config::RWS_CONFIG_TLS_KEY_FILE)
413            .unwrap_or_default();
414
415        if cert_path.is_empty() || key_path.is_empty() {
416            println!("No TLS certificate configured — serving plain HTTP/1.1.");
417            tokio::task::block_in_place(|| Server::run(listener, pool, app));
418            return;
419        }
420
421        let tls_acceptor = match create_tls_acceptor(&cert_path, &key_path) {
422            Ok(a) => a,
423            Err(e) => {
424                eprintln!("TLS setup failed: {}", e);
425                return;
426            }
427        };
428
429        listener
430            .set_nonblocking(true)
431            .expect("failed to set TCP listener to non-blocking");
432        let tokio_listener = tokio::net::TcpListener::from_std(listener)
433            .expect("failed to convert TCP listener to tokio");
434
435        println!("Listening for TLS connections (HTTP/1.1 + HTTP/2)...");
436
437        loop {
438            tokio::select! {
439                result = tokio_listener.accept() => {
440                    match result {
441                        Ok((tcp_stream, peer_addr)) => {
442                            let acceptor = tls_acceptor.clone();
443                            tokio::spawn(async move {
444                                match acceptor.accept(tcp_stream).await {
445                                    Ok(tls_stream) => {
446                                        let protocol = tls_stream
447                                            .get_ref()
448                                            .1
449                                            .alpn_protocol()
450                                            .map(|p| p.to_vec());
451
452                                        match protocol.as_deref() {
453                                            Some(b"h2") => {
454                                                if let Err(e) =
455                                                    h2_handler::handle_connection(tls_stream, peer_addr, app)
456                                                        .await
457                                                {
458                                                    eprintln!("H2 connection error: {}", e);
459                                                }
460                                            }
461                                            _ => {
462                                                if let Err(e) =
463                                                    Server::process_h1_tls(tls_stream, peer_addr, app).await
464                                                {
465                                                    eprintln!("H1 TLS error: {}", e);
466                                                }
467                                            }
468                                        }
469                                    }
470                                    Err(e) => eprintln!("TLS handshake failed: {}", e),
471                                }
472                            });
473                        }
474                        Err(e) => eprintln!("TCP accept error: {}", e),
475                    }
476                }
477                _ = tokio::signal::ctrl_c() => {
478                    crate::metrics::SERVER_READY.store(false, std::sync::atomic::Ordering::SeqCst);
479                    println!("\nShutting down gracefully (SIGINT).");
480                    break;
481                }
482                _ = sigterm() => {
483                    crate::metrics::SERVER_READY.store(false, std::sync::atomic::Ordering::SeqCst);
484                    println!("\nShutting down gracefully (SIGTERM).");
485                    break;
486                }
487            }
488        }
489    }
490
491    /// Binds a plain-HTTP listener on the port in `RWS_CONFIG_HTTP_REDIRECT_PORT` and sends
492    /// `301 Moved Permanently` to the HTTPS equivalent of every incoming URL.
493    /// Returns immediately if TLS is not configured or the redirect port is not set.
494    pub async fn run_redirect() {
495        use std::env;
496        use tokio::io::{AsyncReadExt, AsyncWriteExt};
497        use tokio::net::TcpListener as TokioListener;
498
499        let cert_path = env::var(crate::entry_point::Config::RWS_CONFIG_TLS_CERT_FILE)
500            .unwrap_or_default();
501        if cert_path.is_empty() {
502            return;
503        }
504
505        let redirect_port_str = env::var(crate::entry_point::Config::RWS_CONFIG_HTTP_REDIRECT_PORT)
506            .unwrap_or_default();
507        if redirect_port_str.is_empty() {
508            return;
509        }
510
511        let redirect_port: u16 = match redirect_port_str.parse() {
512            Ok(p) => p,
513            Err(_) => {
514                eprintln!("Invalid RWS_CONFIG_HTTP_REDIRECT_PORT: {}", redirect_port_str);
515                return;
516            }
517        };
518
519        let (server_ip, server_port, _) = get_ip_port_thread_count();
520        let bind_addr = format!("{}:{}", server_ip, redirect_port);
521
522        let listener = match TokioListener::bind(&bind_addr).await {
523            Ok(l) => l,
524            Err(e) => {
525                eprintln!("HTTP redirect listener error on {}: {}", bind_addr, e);
526                return;
527            }
528        };
529
530        println!("HTTP→HTTPS redirect listening on http://{}:{}", server_ip, redirect_port);
531
532        loop {
533            tokio::select! {
534                result = listener.accept() => {
535                    match result {
536                        Ok((mut stream, _peer)) => {
537                            let https_port = server_port;
538                            tokio::spawn(async move {
539                                let mut buf = vec![0u8; 4096];
540                                let n = match stream.read(&mut buf).await {
541                                    Ok(n) => n,
542                                    Err(_) => return,
543                                };
544                                let text = String::from_utf8_lossy(&buf[..n]);
545
546                                let uri = text.lines()
547                                    .next()
548                                    .and_then(|line| line.split_whitespace().nth(1))
549                                    .unwrap_or("/")
550                                    .to_string();
551
552                                let host_header = text.lines()
553                                    .find(|l| l.to_lowercase().starts_with("host:"))
554                                    .map(|l| l[5..].trim().to_string());
555
556                                let location = match host_header {
557                                    Some(h) => {
558                                        // strip existing port from Host header
559                                        let h_no_port = if h.starts_with('[') {
560                                            // IPv6: [::1] or [::1]:port
561                                            h.find(']')
562                                                .map(|i| h[..=i].to_string())
563                                                .unwrap_or(h.clone())
564                                        } else {
565                                            h.rfind(':')
566                                                .map(|i| h[..i].to_string())
567                                                .unwrap_or(h.clone())
568                                        };
569                                        if https_port == 443 {
570                                            format!("https://{}{}", h_no_port, uri)
571                                        } else {
572                                            format!("https://{}:{}{}", h_no_port, https_port, uri)
573                                        }
574                                    }
575                                    None => format!("https://localhost:{}{}", https_port, uri),
576                                };
577
578                                let response = format!(
579                                    "HTTP/1.1 301 Moved Permanently\r\nLocation: {}\r\nContent-Length: 0\r\nConnection: close\r\n\r\n",
580                                    location
581                                );
582                                let _ = stream.write_all(response.as_bytes()).await;
583                            });
584                        }
585                        Err(e) => eprintln!("HTTP redirect accept error: {}", e),
586                    }
587                }
588                _ = tokio::signal::ctrl_c() => {
589                    println!("\nShutting down HTTP redirect listener (SIGINT).");
590                    break;
591                }
592                _ = sigterm() => {
593                    println!("\nShutting down HTTP redirect listener (SIGTERM).");
594                    break;
595                }
596            }
597        }
598    }
599
600    async fn process_h1_tls(
601        mut stream: tokio_rustls::server::TlsStream<tokio::net::TcpStream>,
602        peer_addr: std::net::SocketAddr,
603        app: impl Application,
604    ) -> Result<(), String> {
605        use tokio::io::{AsyncReadExt, AsyncWriteExt};
606
607        let (server_ip, server_port, _) = get_ip_port_thread_count();
608        let request_allocation_size = get_request_allocation_size();
609
610        let mut buffer = vec![0u8; request_allocation_size as usize];
611        if let Err(e) = stream.read(&mut buffer).await {
612            let raw = Server::bad_request_response(e.to_string());
613            let _ = stream.write_all(&raw).await;
614            return Ok(());
615        }
616
617        let request = match Request::parse(&buffer) {
618            Ok(r) => r,
619            Err(message) => {
620                let raw = Server::bad_request_response(message);
621                let _ = stream.write_all(&raw).await;
622                return Ok(());
623            }
624        };
625
626        let connection = ConnectionInfo {
627            client: Address {
628                ip: peer_addr.ip().to_string(),
629                port: peer_addr.port() as i32,
630            },
631            server: Address {
632                ip: server_ip,
633                port: server_port,
634            },
635            request_size: request_allocation_size,
636        };
637
638        let mut response = match app.execute(&request, &connection) {
639            Ok(r) => r,
640            Err(message) => {
641                let raw = Server::bad_request_response(message);
642                let _ = stream.write_all(&raw).await;
643                return Ok(());
644            }
645        };
646
647        crate::metrics::record_request();
648        crate::compression::apply_gzip(&request, &mut response);
649        response.headers.push(Header::get_hsts_header());
650
651        #[cfg(feature = "http3")]
652        response.headers.push(Header {
653            name: Header::_ALT_SVC.to_string(),
654            value: format!("h3=\":{}\"", server_port),
655        });
656        #[cfg(not(feature = "http3"))]
657        response.headers.push(Header {
658            name: Header::_ALT_SVC.to_string(),
659            value: format!("h2=\":{}\"", server_port),
660        });
661
662        Log::log_access(&request, &response, &peer_addr);
663
664        let raw = Response::generate_response(response, request);
665        stream
666            .write_all(&raw)
667            .await
668            .map_err(|e| e.to_string())?;
669        stream.flush().await.map_err(|e| e.to_string())?;
670
671        Ok(())
672    }
673}
674
675#[cfg(feature = "http3")]
676impl Server {
677    pub async fn run_quic(
678        app: impl Application + New + Send + 'static + Copy,
679    ) {
680        use crate::tls::create_quinn_server_config;
681        use crate::h3_handler;
682
683        let cert_path = std::env::var(crate::entry_point::Config::RWS_CONFIG_TLS_CERT_FILE)
684            .unwrap_or_default();
685        let key_path = std::env::var(crate::entry_point::Config::RWS_CONFIG_TLS_KEY_FILE)
686            .unwrap_or_default();
687
688        if cert_path.is_empty() || key_path.is_empty() {
689            return;
690        }
691
692        let server_config = match create_quinn_server_config(&cert_path, &key_path) {
693            Ok(c) => c,
694            Err(e) => {
695                eprintln!("QUIC TLS setup failed: {}", e);
696                return;
697            }
698        };
699
700        let (server_ip, server_port, _) = get_ip_port_thread_count();
701        let bind_addr = format!("{}:{}", server_ip, server_port);
702        let addr: std::net::SocketAddr = match bind_addr.parse() {
703            Ok(a) => a,
704            Err(e) => {
705                eprintln!("Invalid QUIC bind address '{}': {}", bind_addr, e);
706                return;
707            }
708        };
709
710        let endpoint = match quinn::Endpoint::server(server_config, addr) {
711            Ok(e) => e,
712            Err(e) => {
713                eprintln!("QUIC endpoint error: {}", e);
714                return;
715            }
716        };
717
718        println!("Listening for QUIC/HTTP3 on UDP {}:{}", server_ip, server_port);
719
720        loop {
721            tokio::select! {
722                maybe = endpoint.accept() => {
723                    match maybe {
724                        Some(incoming) => {
725                            tokio::spawn(async move {
726                                match incoming.await {
727                                    Ok(conn) => {
728                                        let peer_addr = conn.remote_address();
729                                        if let Err(e) = h3_handler::handle_connection(conn, peer_addr, app).await {
730                                            eprintln!("H3 connection error: {}", e);
731                                        }
732                                    }
733                                    Err(e) => eprintln!("QUIC connection error: {}", e),
734                                }
735                            });
736                        }
737                        None => break,
738                    }
739                }
740                _ = tokio::signal::ctrl_c() => {
741                    crate::metrics::SERVER_READY.store(false, std::sync::atomic::Ordering::SeqCst);
742                    println!("\nShutting down QUIC (SIGINT).");
743                    endpoint.close(0u32.into(), b"shutdown");
744                    break;
745                }
746                _ = sigterm() => {
747                    crate::metrics::SERVER_READY.store(false, std::sync::atomic::Ordering::SeqCst);
748                    println!("\nShutting down QUIC (SIGTERM).");
749                    endpoint.close(0u32.into(), b"shutdown");
750                    break;
751                }
752            }
753        }
754    }
755}
756
757
rust_web_server/server/mod.rs

rust_web_server/server/
mod.rs
