Files
realm-chat/server/src/main.rs
2024-10-13 22:27:20 -04:00

109 lines
3.6 KiB
Rust

use std::env;
use std::future::Future;
use std::net::{IpAddr, Ipv6Addr, SocketAddr};
use std::sync::{Arc};
use dotenvy::dotenv;
use futures::future::{self};
use futures::StreamExt;
use sqlx::migrate::MigrateDatabase;
use sqlx::{migrate, Sqlite, SqlitePool};
use tarpc::{
server::{Channel},
tokio_serde::formats::Json,
};
use tarpc::server::incoming::Incoming;
use tarpc::server::BaseChannel;
use tokio::sync::Mutex;
use tracing::{info, subscriber, warn};
use realm_server::events::*;
use realm_server::server::RealmChatServer;
use realm_server::types::{RealmChat};
async fn spawn(fut: impl Future<Output = ()> + Send + 'static) {
tokio::spawn(fut);
}
#[tokio::main]
async fn main() -> anyhow::Result<()> {
dotenv().ok();
let subscriber = tracing_subscriber::fmt()
.compact()
.with_file(true)
.with_line_number(true)
.with_thread_ids(true)
.with_target(false)
.finish();
subscriber::set_global_default(subscriber)?;
let database_url: &str = &env::var("DATABASE_URL").expect("DATABASE_URL must be set");
if !Sqlite::database_exists(database_url).await.unwrap_or(false) {
info!("Creating database {}", database_url);
match Sqlite::create_database(database_url).await {
Ok(_) => info!("Create db success"),
Err(error) => panic!("error: {}", error),
}
} else {
warn!("Database already exists");
} // TODO: Do in Docker with Sqlx-cli
let db_pool = SqlitePool::connect(database_url).await?;
info!("Running migrations...");
migrate!().run(&db_pool).await?; // TODO: Do in Docker with Sqlx-cli
info!("Migrations complete!");
let port = env::var("PORT").expect("PORT must be set").parse::<u16>()?;
let server_addr = (IpAddr::V4("0.0.0.0".parse()?), port);
// let (handler, listener) = node::split::<()>();
// handler.network().listen(Transport::FramedTcp, "0.0.0.0:"+(port-1))?;
// info!("Listening on port {}", port-1);
//
// // Read incoming network events.
// listener.for_each(|event| match event.network() {
// NetEvent::Connected(_, _) => unreachable!(), // Used for explicit connections.
// NetEvent::Accepted(_endpoint, _listener) => println!("Client connected"), // Tcp or Ws
// NetEvent::Message(endpoint, data) => {
// println!("Received: {}", String::from_utf8_lossy(data));
// handler.network().send(endpoint, data);
// },
// NetEvent::Disconnected(_endpoint) => println!("Client disconnected"), //Tcp or Ws
// });
//
// inner_manager.init_server(
// ServerConfig::new(
// SocketAddr::from((IpAddr::V4("0.0.0.0".parse()?), port-1)).to_string(),
// 0, None, 8, 8))?;
//
// let manager = Arc::new(Mutex::new(NetIO {
// handler,
// listener,
// }));
// JSON transport is provided by the json_transport tarpc module. It makes it easy
// to start up a serde-powered json serialization strategy over TCP.
let mut listener = tarpc::serde_transport::tcp::listen(&server_addr, Json::default).await?;
info!("Listening on port {}", listener.local_addr().port());
listener.config_mut().max_frame_length(usize::MAX);
listener
// Ignore accept errors.
.filter_map(|r| future::ready(r.ok()))
.map(BaseChannel::with_defaults)
// Limit channels to 1 per IP.
.max_channels_per_key(1, |t| t.transport().peer_addr().unwrap().ip())
// serve is generated by the service attribute. It takes as input any type implementing
// the generated World trait.
.map(|channel| {
let server = RealmChatServer::new(env::var("SERVER_ID").expect("SERVER_ID must be set"), channel.transport().peer_addr().unwrap(), db_pool.clone());
channel.execute(server.serve()).for_each(spawn)
})
// Max 10 channels.
.buffer_unordered(10)
.for_each(|_| async {})
.await;
Ok(())
}