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pub mod api;
pub mod helper;
pub mod webui;
pub mod webui_ws;
pub mod worker_ws;
use anyhow::{Result, anyhow};
use api::{api_complete_json, api_loading_json, api_queue_json};
use axum::{Router, routing::get};
use log::{debug, error, info};
use serde_json::{Map, Value};
use std::{
collections::{HashMap, HashSet},
env::args,
path::Path,
sync::Arc,
time::Instant,
};
use tokio::{
fs::{File, read_to_string, rename},
io::AsyncWriteExt,
net::TcpListener,
sync::{
RwLock, broadcast,
mpsc::{self},
},
};
use webui::{webui, webui_script, webui_style};
use webui_ws::{WebuiEvent, webui_websocket};
use worker_ws::{WorkerID, WorkerResponse, worker_websocket};
pub struct Worker {
accept: usize,
name: String,
task_kinds: Vec<String>,
assigned_tasks: HashSet<String>,
send: mpsc::Sender<WorkerResponse>,
}
pub struct State {
worker_id_counter: WorkerID,
workers: HashMap<WorkerID, Worker>,
webui_broadcast: broadcast::Sender<Arc<WebuiEvent>>,
config: Value,
metadata: HashMap<String, Map<String, Value>>,
queue: HashSet<String>,
loading: HashSet<String>,
complete: HashSet<String>,
}
#[tokio::main]
async fn main() -> Result<()> {
env_logger::init_from_env("LOG");
let mut state = State::default();
state.load_config().await?;
state.load().await?;
let router = Router::new()
.route("/", get(webui))
.route("/style.css", get(webui_style))
.route("/webui_live.js", get(webui_script))
.route("/webui_ws", get(webui_websocket))
.route("/worker_ws", get(worker_websocket))
.route("/api/queue.json", get(api_queue_json))
.route("/api/complete.json", get(api_complete_json))
.route("/api/loading.json", get(api_loading_json))
.with_state(Arc::new(RwLock::new(state)));
let listener = TcpListener::bind("127.0.0.1:8080").await?;
axum::serve(listener, router).await?;
Ok(())
}
impl Default for State {
fn default() -> Self {
Self {
config: Default::default(),
worker_id_counter: Default::default(),
workers: Default::default(),
webui_broadcast: broadcast::channel(1024).0,
metadata: Default::default(),
queue: Default::default(),
loading: Default::default(),
complete: Default::default(),
}
}
}
impl State {
pub async fn load_config(&mut self) -> Result<()> {
let path = args()
.nth(1)
.ok_or(anyhow!("first argument is config path"))?;
self.config = serde_yml::from_str::<serde_json::Value>(&read_to_string(path).await?)?;
Ok(())
}
pub async fn load(&mut self) -> Result<()> {
debug!("loading state");
let t = Instant::now();
if AsRef::<Path>::as_ref("metadata.json").exists()
&& AsRef::<Path>::as_ref("queue.json").exists()
&& AsRef::<Path>::as_ref("complete.json").exists()
{
self.metadata = serde_json::from_str(&read_to_string("metadata.json").await?)?;
self.queue = serde_json::from_str(&read_to_string("queue.json").await?)?;
self.complete = serde_json::from_str(&read_to_string("complete.json").await?)?;
info!("state loaded (took {:?})", t.elapsed());
} else {
error!("some state files are missing, skipping load")
}
Ok(())
}
pub async fn save(&mut self) -> Result<()> {
let t = Instant::now();
File::create("metadata.json~")
.await?
.write_all(&serde_json::to_vec(&self.metadata)?)
.await?;
File::create("queue.json~")
.await?
.write_all(&serde_json::to_vec(&self.queue)?)
.await?;
File::create("complete.json~")
.await?
.write_all(&serde_json::to_vec(&self.complete)?)
.await?;
rename("metadata.json~", "metadata.json").await?;
rename("queue.json~", "queue.json").await?;
rename("complete.json~", "complete.json").await?;
info!("state saved (took {:?})", t.elapsed());
Ok(())
}
}
|
