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//! Basic bootstrap example (equivalent to example1.cpp).
//!
//! Usage:
//! cargo run --example join -- 10000
//! cargo run --example join -- 10001 127.0.0.1 10000
//!
//! The first invocation creates a standalone node.
//! The second joins via the first.
use std::time::Duration;
use tesseras_dht::Node;
use tesseras_dht::nat::NatState;
fn main() {
env_logger::Builder::from_env(
env_logger::Env::default().default_filter_or("info"),
)
.format(|buf, record| {
use std::io::Write;
writeln!(
buf,
"{} [{}] {}",
record.level(),
record.target(),
record.args()
)
})
.init();
let args: Vec<String> = std::env::args().collect();
if args.len() < 2 {
eprintln!("usage: {} port [host port]", args[0]);
eprintln!();
eprintln!("example:");
eprintln!(" $ {} 10000 &", args[0]);
eprintln!(" $ {} 10001 127.0.0.1 10000", args[0]);
std::process::exit(1);
}
let port: u16 = args[1].parse().expect("invalid port");
let mut node = Node::bind(port).expect("bind failed");
node.set_nat_state(NatState::Global);
println!("Node {} listening on port {port}", node.id_hex());
if args.len() >= 4 {
let dst_host = &args[2];
let dst_port: u16 = args[3].parse().expect("invalid dst port");
match node.join(dst_host, dst_port) {
Ok(()) => println!("Join request sent"),
Err(e) => {
eprintln!("Join failed: {e}");
std::process::exit(1);
}
}
}
// Event loop
loop {
node.poll().ok();
std::thread::sleep(Duration::from_millis(100));
}
}
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