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/*
Hurry Curry! - a game about cooking
Copyright 2024 metamuffin
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, version 3 of the License only.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
use crate::server::Server;
use anyhow::{bail, Result};
use hurrycurry_protocol::{registry::Submission, VERSION};
use log::{error, info, warn};
use rand::random;
use reqwest::{header::USER_AGENT, Client, Url};
use std::{
net::{IpAddr, Ipv4Addr, Ipv6Addr},
str::FromStr,
sync::Arc,
time::Duration,
};
use tokio::{sync::RwLock, time::interval};
const REGISTRY_URI: &'static str = "https://hurrycurry-registry.metamuffin.org";
pub struct Register {
name: String,
port: u16,
register_uri: Option<String>,
state: Arc<RwLock<Server>>,
ip4_client: Option<Client>,
ip6_client: Option<Client>,
secret: u128,
players: usize,
}
impl Register {
pub fn new(
name: String,
port: u16,
register_uri: Option<String>,
state: Arc<RwLock<Server>>,
no6: bool,
no4: bool,
) -> Self {
Self {
name,
register_uri,
players: 0,
port,
secret: random(),
state,
ip4_client: if no4 {
None
} else {
Some(
Client::builder()
.local_address(IpAddr::V4(Ipv4Addr::UNSPECIFIED))
.build()
.unwrap(),
)
},
ip6_client: if no6 {
None
} else {
Some(
Client::builder()
.local_address(IpAddr::V6(Ipv6Addr::UNSPECIFIED))
.build()
.unwrap(),
)
},
}
}
pub async fn register_loop(mut self) {
let mut interval = interval(Duration::from_secs(60));
loop {
interval.tick().await;
self.players = self.state.read().await.count_chefs();
if let Err(e) = self.register().await {
warn!("register error: {e}")
}
}
}
pub async fn register(&self) -> Result<()> {
info!("register update");
let [v4, v6] = [&self.ip4_client, &self.ip6_client].map(|client| async {
if let Some(r) = client.as_ref().map(|client| {
self.register_with(
client,
self.register_uri
.clone()
.unwrap_or(format!("ws://0.0.0.0:{}", self.port)),
)
}) {
Some(r.await)
} else {
None
}
});
#[rustfmt::skip]
match tokio::join!(v4, v6) {
(None, None) => info!("no registration sent"),
(Some(Ok(())), None) => info!("Registration successful (IPv4)"),
(None, Some(Ok(()))) => info!("Registration successful (IPv6)"),
(Some(Ok(())), Some(Ok(()))) => info!("Registration successful (IPv4 + IPv6)"),
(Some(Err(e)), None) => info!("Registration failed (IPv4): {e}"),
(None, Some(Err(e))) => error!("Registration failed (IPv6): {e}"),
(Some(Err(e1)), Some(Err(e2))) => error!("Registration failed (IPv4 + IPv6): {e1}, {e2}"),
(Some(Ok(())), Some(Err(e))) => warn!("Registration partially failed (IPv4 ok, IPv6 fail): {e}"),
(Some(Err(e)), Some(Ok(()))) => warn!("Registration partially failed (IPv4 fail, IPv6 ok): {e}"),
}
Ok(())
}
// TODO ip v6
pub async fn register_with(&self, client: &Client, uri: String) -> Result<()> {
let res = client
.post(Url::from_str(&format!("{REGISTRY_URI}/v1/register")).unwrap())
.header(
USER_AGENT,
format!("hurrycurry-server {}", env!("CARGO_PKG_VERSION")),
)
.json(&Submission {
last_game: 0,
name: self.name.clone(),
uri,
players: self.players,
secret: self.secret,
version: VERSION,
})
.send()
.await?;
let r = res.text().await?;
if r == "ok" {
Ok(())
} else {
bail!("{r}");
}
}
}
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