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#![feature(try_trait_v2)]
#![feature(pattern)]
#![feature(concat_idents)]
#![feature(associated_type_defaults)]
#![feature(clamp)]
#![feature(box_syntax, box_patterns)]
// trash dependencies that can't be fucked to upgrade to ed. 2018
#[macro_use] extern crate diesel;
#[macro_use] extern crate pest_derive;
#[macro_use] extern crate envconfig_derive;
use std::{
thread,
time::{
Duration,
Instant,
},
};
use log::{
error,
info,
};
pub use self::util::*;
pub use self::config::*;
#[cfg(feature = "diesel")]
mod db;
#[cfg(feature = "games")]
mod game;
#[cfg(not(feature = "games"))]
mod game {
use serenity::framework::StandardFramework;
#[inline]
fn register(f: StandardFramework) -> StandardFramework {
return f
}
}
mod commands;
mod util;
mod audio;
mod config;
mod log_setup;
mod bot;
pub type Error = anyhow::Error;
pub type Result<T> = anyhow::Result<T>;
const BACKOFF_FACTOR: f64 = 2.0;
const MAX_BACKOFFS: usize = 3;
const BACKOFF_INIT: f64 = 100.0;
const MIN_RUN_DURATION: Duration = Duration::from_secs(120);
fn main() {
log_setup::init().expect("initializing logging");
let mut backoff_count: usize = 0;
loop {
let start = Instant::now();
info!("starting bot");
match bot::run() {
Err(e) => {
error!("error encountered running client: {:?}", e);
},
_ => {
// NOTE: we MUST have gotten here through SIGINT/SIGTERM handlers
::std::process::exit(0);
}
}
if Instant::now() - start >= MIN_RUN_DURATION {
backoff_count = 0;
continue;
}
backoff_count += 1;
if backoff_count >= MAX_BACKOFFS {
panic!("restarted bot too many times");
}
let backoff_millis = (BACKOFF_INIT * BACKOFF_FACTOR.powi(backoff_count as i32)) as u64;
info!("bot died too quickly. backing off, retrying in {}ms.", backoff_millis);
thread::sleep(Duration::from_millis(backoff_millis));
}
}
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