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lewis.moe
1use std::net::SocketAddr;
2use std::process::ExitCode;
3use std::sync::Arc;
4use tokio::sync::watch;
5use tracing::{error, info, warn};
6use tranquil_pds::comms::{CommsService, DiscordSender, EmailSender, SignalSender, TelegramSender};
7use tranquil_pds::crawlers::{Crawlers, start_crawlers_service};
8use tranquil_pds::scheduled::{backfill_genesis_commit_blocks, backfill_repo_rev, backfill_user_blocks, start_scheduled_tasks};
9use tranquil_pds::state::AppState;
10
11#[tokio::main]
12async fn main() -> ExitCode {
13 dotenvy::dotenv().ok();
14 tracing_subscriber::fmt::init();
15 tranquil_pds::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 state = AppState::new().await?;
28 tranquil_pds::sync::listener::start_sequencer_listener(state.clone()).await;
29
30 let (shutdown_tx, shutdown_rx) = watch::channel(false);
31
32 let backfill_db = state.db.clone();
33 let backfill_block_store = state.block_store.clone();
34 tokio::spawn(async move {
35 backfill_genesis_commit_blocks(&backfill_db, backfill_block_store.clone()).await;
36 backfill_repo_rev(&backfill_db, backfill_block_store.clone()).await;
37 backfill_user_blocks(&backfill_db, backfill_block_store).await;
38 });
39
40 let mut comms_service = CommsService::new(state.db.clone());
41
42 if let Some(email_sender) = EmailSender::from_env() {
43 info!("Email comms enabled");
44 comms_service = comms_service.register_sender(email_sender);
45 } else {
46 warn!("Email comms disabled (MAIL_FROM_ADDRESS not set)");
47 }
48
49 if let Some(discord_sender) = DiscordSender::from_env() {
50 info!("Discord comms enabled");
51 comms_service = comms_service.register_sender(discord_sender);
52 }
53
54 if let Some(telegram_sender) = TelegramSender::from_env() {
55 info!("Telegram comms enabled");
56 comms_service = comms_service.register_sender(telegram_sender);
57 }
58
59 if let Some(signal_sender) = SignalSender::from_env() {
60 info!("Signal comms enabled");
61 comms_service = comms_service.register_sender(signal_sender);
62 }
63
64 let comms_handle = tokio::spawn(comms_service.run(shutdown_rx.clone()));
65
66 let crawlers_handle = if let Some(crawlers) = Crawlers::from_env() {
67 let crawlers = Arc::new(
68 crawlers.with_circuit_breaker(state.circuit_breakers.relay_notification.clone()),
69 );
70 let firehose_rx = state.firehose_tx.subscribe();
71 info!("Crawlers notification service enabled");
72 Some(tokio::spawn(start_crawlers_service(
73 crawlers,
74 firehose_rx,
75 shutdown_rx.clone(),
76 )))
77 } else {
78 warn!("Crawlers notification service disabled (PDS_HOSTNAME or CRAWLERS not set)");
79 None
80 };
81
82 let scheduled_handle = tokio::spawn(start_scheduled_tasks(
83 state.db.clone(),
84 state.blob_store.clone(),
85 shutdown_rx,
86 ));
87
88 let app = tranquil_pds::app(state);
89 let addr = SocketAddr::from(([127, 0, 0, 1], 3000));
90 info!("listening on {}", addr);
91
92 let listener = tokio::net::TcpListener::bind(addr)
93 .await
94 .map_err(|e| format!("Failed to bind to {}: {}", addr, e))?;
95
96 let server_result = axum::serve(listener, app)
97 .with_graceful_shutdown(shutdown_signal(shutdown_tx))
98 .await;
99
100 comms_handle.await.ok();
101
102 if let Some(handle) = crawlers_handle {
103 handle.await.ok();
104 }
105
106 scheduled_handle.await.ok();
107
108 if let Err(e) = server_result {
109 return Err(format!("Server error: {}", e).into());
110 }
111
112 Ok(())
113}
114
115async fn shutdown_signal(shutdown_tx: watch::Sender<bool>) {
116 let ctrl_c = async {
117 match tokio::signal::ctrl_c().await {
118 Ok(()) => {}
119 Err(e) => {
120 error!("Failed to install Ctrl+C handler: {}", e);
121 }
122 }
123 };
124
125 #[cfg(unix)]
126 let terminate = async {
127 match tokio::signal::unix::signal(tokio::signal::unix::SignalKind::terminate()) {
128 Ok(mut signal) => {
129 signal.recv().await;
130 }
131 Err(e) => {
132 error!("Failed to install SIGTERM handler: {}", e);
133 std::future::pending::<()>().await;
134 }
135 }
136 };
137
138 #[cfg(not(unix))]
139 let terminate = std::future::pending::<()>();
140
141 tokio::select! {
142 _ = ctrl_c => {},
143 _ = terminate => {},
144 }
145
146 info!("Shutdown signal received, stopping services...");
147 shutdown_tx.send(true).ok();
148}