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use std::net::SocketAddr;
use std::sync::Arc;
use std::time::Duration;
use log::info;
use structopt::StructOpt;
use sodiumoxide::crypto::auth;
use sodiumoxide::crypto::sign::ed25519;
use netapp::NetApp;
use netapp::peering::basalt::*;
#[derive(StructOpt, Debug)]
#[structopt(name = "netapp")]
pub struct Opt {
#[structopt(long = "network-key", short = "n")]
network_key: Option<String>,
#[structopt(long = "private-key", short = "p")]
private_key: Option<String>,
#[structopt(long = "bootstrap-peer", short = "b")]
bootstrap_peers: Vec<String>,
#[structopt(long = "listen-addr", short = "l", default_value = "127.0.0.1:1980")]
listen_addr: String,
#[structopt(long = "view-size", short = "v", default_value = "100")]
view_size: usize,
#[structopt(long = "cache-size", short = "c", default_value = "1000")]
cache_size: usize,
#[structopt(long = "exchange-interval-secs", short = "x", default_value = "1")]
exchange_interval: u64,
#[structopt(long = "reset-interval-secs", short = "r", default_value = "10")]
reset_interval: u64,
#[structopt(long = "reset-count", short = "k", default_value = "20")]
reset_count: usize,
}
#[tokio::main]
async fn main() {
pretty_env_logger::init();
let opt = Opt::from_args();
let netid = match &opt.network_key {
Some(k) => auth::Key::from_slice(&hex::decode(k).unwrap()).unwrap(),
None => auth::gen_key(),
};
info!("Network key: {}", hex::encode(&netid));
let privkey = match &opt.private_key {
Some(k) => ed25519::SecretKey::from_slice(&hex::decode(k).unwrap()).unwrap(),
None => {
let (_pk, sk) = ed25519::gen_keypair();
sk
}
};
info!("Node private key: {}", hex::encode(&privkey));
info!("Node public key: {}", hex::encode(&privkey.public_key()));
let listen_addr = opt.listen_addr.parse().unwrap();
let netapp = NetApp::new(listen_addr, netid, privkey);
let mut bootstrap_peers = vec![];
for peer in opt.bootstrap_peers.iter() {
if let Some(delim) = peer.find('@') {
let (key, ip) = peer.split_at(delim);
let pubkey = ed25519::PublicKey::from_slice(&hex::decode(&key).unwrap()).unwrap();
let ip = ip[1..].parse::<SocketAddr>().unwrap();
bootstrap_peers.push((pubkey, ip));
}
}
let basalt_params = BasaltParams {
view_size: opt.view_size,
cache_size: opt.cache_size,
exchange_interval: Duration::from_secs(opt.exchange_interval),
reset_interval: Duration::from_secs(opt.reset_interval),
reset_count: opt.reset_count,
};
let peering = Basalt::new(netapp.clone(), bootstrap_peers, basalt_params);
tokio::join!(
sampling_loop(peering.clone()),
netapp.listen(),
peering.run(),
);
}
async fn sampling_loop(basalt: Arc<Basalt>) {
loop {
tokio::time::delay_for(Duration::from_secs(10)).await;
let peers = basalt.sample(10);
for p in peers {
info!("Sampled: {}", hex::encode(p));
}
}
}
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