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#[macro_use] extern crate serenity;
#[macro_use] extern crate log;
#[macro_use] extern crate error_chain;
#[macro_use] extern crate dotenv_codegen;
extern crate dotenv;
extern crate simple_logger;
extern crate typemap;
extern crate url;
mod commands;
mod util;
mod errors {
error_chain!();
}
use errors::*;
pub use util::*;
use std::env;
use std::collections::HashSet;
use std::thread;
use std::time::{Duration, Instant};
use serenity::prelude::*;
use serenity::framework::StandardFramework;
use serenity::framework::standard::help_commands;
use serenity::model::gateway::Ready;
use dotenv::dotenv;
struct Handler;
impl EventHandler for Handler {
fn ready(&self, _c: Context, r: Ready) {
r.guilds.iter().find(|g| {
g.id().0 == 0
}).or_else(|| {
info!("bot isn't in configured guild. let it join here: {}", OAUTH_URL);
});
}
}
fn run() -> Result<()> {
let token = &env::var("DISCORD_TOKEN")?;
let mut client = Client::new(token, Handler)?;
let framework = StandardFramework::new()
.configure(|c| c
.allow_dm(false)
.allow_whitespace(true)
.prefixes(vec!["!thulani ", "!thulan ", "!thulando madando ", "!thulando "])
.ignore_bots(true)
.on_mention(false)
.owners(HashSet::new())
.case_insensitivity(true)
)
.before(|_ctx, message, cmd| {
debug!("got command {} from user '{}' ({})", cmd, message.author.name, message.author.id);
true
})
.after(|_ctx, _msg, cmd, err| {
match err {
Ok(()) => {},
Err(e) => {
}
}
})
.bucket("std", 1, 10, 3)
.customised_help(help_commands::with_embeds, |c| {
c
});
client.with_framework(framework);
client.start()?;
Ok(())
}
fn main() {
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);
dotenv().ok();
simple_logger::init().unwrap();
let mut backoff_count: usize = 0;
loop {
let start = Instant::now();
info!("starting bot");
match run() {
Err(e) => {
error!("error encountered running client: {}", e);
e.iter().skip(1).for_each(|e| {
});
},
_ => {
warn!("somehow `run` completed without an error. should probably take a look at this.");
}
}
if Instant::now() - start >= MIN_RUN_DURATION {
backoff_count = 0;
continue;
}
backoff_count += 1;
if backoff_count >= 3 {
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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