lemmy/src/main.rs

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Rust
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#[macro_use]
extern crate diesel_migrations;
use actix::prelude::*;
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use actix_web::*;
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use diesel::{
r2d2::{ConnectionManager, Pool},
PgConnection,
};
use lemmy_api::match_websocket_operation;
use lemmy_apub::activity_queue::create_activity_queue;
use lemmy_db::get_database_url_from_env;
use lemmy_rate_limit::{rate_limiter::RateLimiter, RateLimit};
use lemmy_server::{code_migrations::run_advanced_migrations, routes::*};
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use lemmy_structs::blocking;
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use lemmy_utils::{settings::Settings, LemmyError};
use lemmy_websocket::{chat_server::ChatServer, LemmyContext};
use reqwest::Client;
use std::sync::Arc;
use tokio::sync::Mutex;
embed_migrations!();
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#[actix_web::main]
async fn main() -> Result<(), LemmyError> {
env_logger::init();
let settings = Settings::get();
// Set up the r2d2 connection pool
let db_url = match get_database_url_from_env() {
Ok(url) => url,
Err(_) => settings.get_database_url(),
};
let manager = ConnectionManager::<PgConnection>::new(&db_url);
let pool = Pool::builder()
.max_size(settings.database.pool_size)
.build(manager)
.unwrap_or_else(|_| panic!("Error connecting to {}", db_url));
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// Run the migrations from code
blocking(&pool, move |conn| {
embedded_migrations::run(conn)?;
run_advanced_migrations(conn)?;
Ok(()) as Result<(), LemmyError>
})
.await??;
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// Set up the rate limiter
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let rate_limiter = RateLimit {
rate_limiter: Arc::new(Mutex::new(RateLimiter::default())),
};
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println!(
"Starting http server at {}:{}",
settings.bind, settings.port
);
let activity_queue = create_activity_queue();
let chat_server = ChatServer::startup(
pool.clone(),
rate_limiter.clone(),
|c, i, o, d| Box::pin(match_websocket_operation(c, i, o, d)),
Client::default(),
activity_queue.clone(),
)
.start();
// Create Http server with websocket support
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HttpServer::new(move || {
let context = LemmyContext::create(
pool.clone(),
chat_server.to_owned(),
Client::default(),
activity_queue.to_owned(),
);
let rate_limiter = rate_limiter.clone();
App::new()
.wrap(middleware::Logger::default())
.data(context)
// The routes
.configure(|cfg| api::config(cfg, &rate_limiter))
.configure(federation::config)
.configure(feeds::config)
.configure(|cfg| images::config(cfg, &rate_limiter))
.configure(nodeinfo::config)
.configure(webfinger::config)
.service(actix_files::Files::new("/docs", Settings::get().docs_dir))
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})
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.bind((settings.bind, settings.port))?
.run()
.await?;
Ok(())
}