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lewis.moe
1use bspds::crawlers::{Crawlers, start_crawlers_service};
2use bspds::notifications::{DiscordSender, EmailSender, NotificationService, SignalSender, TelegramSender};
3use bspds::state::AppState;
4use std::net::SocketAddr;
5use std::process::ExitCode;
6use std::sync::Arc;
7use tokio::sync::watch;
8use tracing::{error, info, warn};
9
10#[tokio::main]
11async fn main() -> ExitCode {
12 dotenvy::dotenv().ok();
13 tracing_subscriber::fmt::init();
14
15 bspds::metrics::init_metrics();
16
17 match run().await {
18 Ok(()) => ExitCode::SUCCESS,
19 Err(e) => {
20 error!("Fatal error: {}", e);
21 ExitCode::FAILURE
22 }
23 }
24}
25
26async fn run() -> Result<(), Box<dyn std::error::Error>> {
27 let database_url = std::env::var("DATABASE_URL")
28 .map_err(|_| "DATABASE_URL environment variable must be set")?;
29
30 let max_connections: u32 = std::env::var("DATABASE_MAX_CONNECTIONS")
31 .ok()
32 .and_then(|v| v.parse().ok())
33 .unwrap_or(100);
34 let min_connections: u32 = std::env::var("DATABASE_MIN_CONNECTIONS")
35 .ok()
36 .and_then(|v| v.parse().ok())
37 .unwrap_or(10);
38 let acquire_timeout_secs: u64 = std::env::var("DATABASE_ACQUIRE_TIMEOUT_SECS")
39 .ok()
40 .and_then(|v| v.parse().ok())
41 .unwrap_or(10);
42
43 info!(
44 "Configuring database pool: max={}, min={}, acquire_timeout={}s",
45 max_connections, min_connections, acquire_timeout_secs
46 );
47
48 let pool = sqlx::postgres::PgPoolOptions::new()
49 .max_connections(max_connections)
50 .min_connections(min_connections)
51 .acquire_timeout(std::time::Duration::from_secs(acquire_timeout_secs))
52 .idle_timeout(std::time::Duration::from_secs(300))
53 .max_lifetime(std::time::Duration::from_secs(1800))
54 .connect(&database_url)
55 .await
56 .map_err(|e| format!("Failed to connect to Postgres: {}", e))?;
57
58 sqlx::migrate!("./migrations")
59 .run(&pool)
60 .await
61 .map_err(|e| format!("Failed to run migrations: {}", e))?;
62
63 let state = AppState::new(pool.clone()).await;
64
65 bspds::sync::listener::start_sequencer_listener(state.clone()).await;
66
67 let (shutdown_tx, shutdown_rx) = watch::channel(false);
68
69 let mut notification_service = NotificationService::new(pool);
70
71 if let Some(email_sender) = EmailSender::from_env() {
72 info!("Email notifications enabled");
73 notification_service = notification_service.register_sender(email_sender);
74 } else {
75 warn!("Email notifications disabled (MAIL_FROM_ADDRESS not set)");
76 }
77
78 if let Some(discord_sender) = DiscordSender::from_env() {
79 info!("Discord notifications enabled");
80 notification_service = notification_service.register_sender(discord_sender);
81 }
82
83 if let Some(telegram_sender) = TelegramSender::from_env() {
84 info!("Telegram notifications enabled");
85 notification_service = notification_service.register_sender(telegram_sender);
86 }
87
88 if let Some(signal_sender) = SignalSender::from_env() {
89 info!("Signal notifications enabled");
90 notification_service = notification_service.register_sender(signal_sender);
91 }
92
93 let notification_handle = tokio::spawn(notification_service.run(shutdown_rx.clone()));
94
95 let crawlers_handle = if let Some(crawlers) = Crawlers::from_env() {
96 let crawlers = Arc::new(
97 crawlers.with_circuit_breaker(state.circuit_breakers.relay_notification.clone())
98 );
99 let firehose_rx = state.firehose_tx.subscribe();
100 info!("Crawlers notification service enabled");
101 Some(tokio::spawn(start_crawlers_service(crawlers, firehose_rx, shutdown_rx)))
102 } else {
103 warn!("Crawlers notification service disabled (PDS_HOSTNAME or CRAWLERS not set)");
104 None
105 };
106
107 let app = bspds::app(state);
108
109 let addr = SocketAddr::from(([127, 0, 0, 1], 3000));
110 info!("listening on {}", addr);
111 let listener = tokio::net::TcpListener::bind(addr)
112 .await
113 .map_err(|e| format!("Failed to bind to {}: {}", addr, e))?;
114
115 let server_result = axum::serve(listener, app)
116 .with_graceful_shutdown(shutdown_signal(shutdown_tx))
117 .await;
118
119 notification_handle.await.ok();
120 if let Some(handle) = crawlers_handle {
121 handle.await.ok();
122 }
123
124 if let Err(e) = server_result {
125 return Err(format!("Server error: {}", e).into());
126 }
127
128 Ok(())
129}
130
131async fn shutdown_signal(shutdown_tx: watch::Sender<bool>) {
132 let ctrl_c = async {
133 match tokio::signal::ctrl_c().await {
134 Ok(()) => {}
135 Err(e) => {
136 error!("Failed to install Ctrl+C handler: {}", e);
137 }
138 }
139 };
140
141 #[cfg(unix)]
142 let terminate = async {
143 match tokio::signal::unix::signal(tokio::signal::unix::SignalKind::terminate()) {
144 Ok(mut signal) => {
145 signal.recv().await;
146 }
147 Err(e) => {
148 error!("Failed to install SIGTERM handler: {}", e);
149 std::future::pending::<()>().await;
150 }
151 }
152 };
153
154 #[cfg(not(unix))]
155 let terminate = std::future::pending::<()>();
156
157 tokio::select! {
158 _ = ctrl_c => {},
159 _ = terminate => {},
160 }
161
162 info!("Shutdown signal received, stopping services...");
163 shutdown_tx.send(true).ok();
164}