use std::{
convert::Infallible,
sync::LazyLock,
time::{Duration, SystemTime},
};
use anyctx::AnyCtx;
use arrayref::array_ref;
use async_trait::async_trait;
use chrono::{NaiveDate, NaiveDateTime};
use geph5_broker_protocol::{NetStatus, puzzle::solve_puzzle};
use geph5_misc_rpc::client_control::{
ConnInfo, ConnectedInfo, ControlProtocol, ControlService, NewsItem, RegistrationProgress,
};
use nanorpc::{JrpcId, JrpcRequest, JrpcResponse, RpcService, RpcTransport};
use parking_lot::Mutex;
use serde_json::{Value, json};
use slab::Slab;
use crate::{
Config, broker::get_net_status, broker_client, client::CtxField, logging::get_json_logs,
stats::stat_get_num, traffcount::TRAFF_COUNT, updates::get_update_manifest,
};
pub struct ControlProtocolImpl {
pub ctx: AnyCtx<Config>,
}
pub static CURRENT_CONNECTED_INFOS: CtxField<Mutex<Slab<ConnectedInfo>>> =
|_| Mutex::new(Slab::new());
static REGISTRATIONS: LazyLock<Mutex<Slab<RegistrationProgress>>> =
LazyLock::new(|| Mutex::new(Slab::new()));
#[async_trait]
impl ControlProtocol for ControlProtocolImpl {
async fn ab_test(&self, key: String, secret: String) -> Result<bool, String> {
let id = blake3::hash(secret.as_bytes());
let id = u64::from_be_bytes(*array_ref![id.as_bytes(), 0, 8]);
let res = self
.broker_rpc("opaque_abtest".into(), vec![json!(key), json!(id)])
.await?;
serde_json::from_value(res).map_err(|e| e.to_string())
}
async fn conn_info(&self) -> ConnInfo {
if self.ctx.init().dry_run {
return ConnInfo::Disconnected;
}
let connected_infos = self
.ctx
.get(CURRENT_CONNECTED_INFOS)
.lock()
.iter()
.map(|(_, info)| info.clone())
.collect::<Vec<_>>();
if connected_infos.is_empty() {
ConnInfo::Connecting
} else {
ConnInfo::Connected {
sessions: connected_infos,
}
}
}
async fn stat_num(&self, stat: String) -> f64 {
stat_get_num(&self.ctx, &stat)
}
async fn start_time(&self) -> SystemTime {
static START_TIME: CtxField<SystemTime> = |_| SystemTime::now();
*self.ctx.get(START_TIME)
}
async fn stop(&self) {
std::thread::spawn(move || {
std::thread::sleep(Duration::from_millis(100));
std::process::exit(0);
});
}
async fn recent_logs(&self) -> Vec<String> {
get_json_logs(&self.ctx)
.await
.split("\n")
.map(|s| s.to_string())
.collect()
}
async fn broker_rpc(&self, method: String, params: Vec<Value>) -> Result<Value, String> {
let jrpc = JrpcRequest {
jsonrpc: "2.0".into(),
method,
params,
id: JrpcId::String(format!("req-{}", rand::random::<u128>())),
};
let resp = broker_client(&self.ctx)
.map_err(|e| format!("{:?}", e))?
.0
.call_raw(jrpc)
.await
.map_err(|e| format!("{:?}", e))?;
if let Some(err) = resp.error {
Err(err.message)
} else {
Ok(resp.result.unwrap_or(Value::Null))
}
}
async fn start_registration(&self) -> Result<usize, String> {
let (puzzle, difficulty) = broker_client(&self.ctx)
.map_err(|e| format!("{:?}", e))?
.get_puzzle()
.await
.map_err(|e| format!("{:?}", e))?;
tracing::debug!(puzzle, difficulty, "got puzzle");
let idx = REGISTRATIONS.lock().insert(RegistrationProgress {
progress: 0.0,
secret: None,
});
let ctx = self.ctx.clone();
smolscale::spawn(async move {
loop {
let fallible = async {
let solution = {
let puzzle = puzzle.clone();
smol::unblock(move || {
solve_puzzle(&puzzle, difficulty, |progress| {
REGISTRATIONS.lock()[idx] = RegistrationProgress {
progress,
secret: None,
}
})
})
.await
};
let secret = broker_client(&ctx)?
.register_user_secret(puzzle.clone(), solution)
.await?
.map_err(|e| anyhow::anyhow!(e))?;
REGISTRATIONS.lock()[idx] = RegistrationProgress {
progress: 1.0,
secret: Some(secret.clone()),
};
anyhow::Ok(secret)
};
if let Err(err) = fallible.await {
tracing::warn!(err = debug(err), "restarting registration")
} else {
break;
}
}
})
.detach();
Ok(idx)
}
async fn poll_registration(&self, idx: usize) -> Result<RegistrationProgress, String> {
tracing::debug!(idx, "polling registration");
let registers = REGISTRATIONS.lock();
registers
.get(idx)
.cloned()
.ok_or_else(|| "no such registration".to_string())
}
async fn stat_history(&self, stat: String) -> Result<Vec<f64>, String> {
if stat != "traffic" {
return Err(format!("bad: {stat}"));
}
Ok(self.ctx.get(TRAFF_COUNT).read().unwrap().speed_history())
}
async fn net_status(&self) -> Result<NetStatus, String> {
let resp = get_net_status(&self.ctx)
.await
.map_err(|e| format!("{:?}", e))?;
Ok(resp)
}
async fn latest_news(&self, lang: String) -> Result<Vec<NewsItem>, String> {
let (manifest, _) = get_update_manifest().await.map_err(|e| e.to_string())?;
let news = manifest["news"]
.as_array()
.ok_or_else(|| "No news array".to_string())?;
let mut out = Vec::new();
for item in news {
let important = item["important"].as_bool().unwrap_or_default();
let date_str = item["date"]
.as_str()
.ok_or_else(|| "No or invalid 'date' field in news item".to_string())?;
let naive_date = NaiveDate::parse_from_str(date_str, "%Y-%m-%d")
.map_err(|_| format!("Invalid date format: {}", date_str))?;
let naive_dt: NaiveDateTime = naive_date
.and_hms_opt(0, 0, 0)
.ok_or_else(|| "Unable to create NaiveDateTime from date".to_string())?;
let date_unix = naive_dt.and_utc().timestamp() as u64;
let localized = item[&lang]
.as_object()
.ok_or_else(|| format!("No localized data for language '{}'", lang))?;
let title = localized["title"]
.as_str()
.ok_or_else(|| "Missing 'title' in localized news data".to_string())?;
let contents = localized["contents"]
.as_str()
.ok_or_else(|| "Missing 'contents' in localized news data".to_string())?;
out.push(NewsItem {
title: title.to_string(),
date_unix,
contents: contents.to_string(),
important,
});
}
Ok(out)
}
async fn get_update_manifest(&self) -> Result<(serde_json::Value, String), String> {
get_update_manifest().await.map_err(|e| format!("{:?}", e))
}
}
pub struct DummyControlProtocolTransport(pub ControlService<ControlProtocolImpl>);
#[async_trait]
impl RpcTransport for DummyControlProtocolTransport {
type Error = Infallible;
async fn call_raw(&self, req: JrpcRequest) -> Result<JrpcResponse, Self::Error> {
Ok(self.0.respond_raw(req).await)
}
}