Peer discovery broadcast #5
50
src/main.rs
50
src/main.rs
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@ -1,17 +1,48 @@
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use async_std::fs;
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use async_std::{fs, task};
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use async_std::net::UdpSocket;
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use async_std::path::PathBuf;
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use async_std::sync::Arc;
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use clap::{load_yaml, App};
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use ed25519_dalek::Keypair;
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mod keypair;
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use keypair::SSBKeypair;
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use keypair::{SSBKeypair, SSBPublicKey};
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mod network;
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use network::Peer;
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type Config = toml::map::Map<String, toml::Value>;
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async fn peer_discovery_recv() {
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let socket = UdpSocket::bind(":::8008").await.unwrap();
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let mut buf = [0u8; 1024];
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loop {
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let (amt, peer) = socket.recv_from(&mut buf).await.unwrap();
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let buf = &mut buf[..amt];
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let packet = String::from_utf8(buf.to_vec()).unwrap();
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println!(
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"{} {}",
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peer,
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Peer::from_discovery_packet(&packet).to_discovery_packet()
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);
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}
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}
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async fn peer_discovery_send(pubkey: Arc<String>) {
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let socket = UdpSocket::bind(":::0").await.unwrap();
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let msg = format!("net:1.2.3.4:8023~shs:{}", &pubkey);
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let buf = msg.as_bytes();
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socket.set_broadcast(true).unwrap();
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loop {
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println!("Sending packet: {:?}", &msg);
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socket.send_to(&buf, "255.255.255.255:8008").await.unwrap();
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task::sleep(std::time::Duration::from_secs(1)).await;
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}
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}
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#[async_std::main]
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async fn main() {
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let options = load_yaml!("options.yaml");
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@ -39,17 +70,8 @@ async fn main() {
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let keypair = Keypair::read_or_generate(path.join("secret")).await;
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println!("{}", keypair.to_json().pretty(2));
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let socket = UdpSocket::bind("0.0.0.0:8008").await.unwrap();
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let mut buf = [0u8; 1024];
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let pubkey = keypair.public.to_base64();
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loop {
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let (amt, peer) = socket.recv_from(&mut buf).await.unwrap();
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let buf = &mut buf[..amt];
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let packet = String::from_utf8(buf.to_vec()).unwrap();
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println!(
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"{} {}",
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peer,
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Peer::from_discovery_packet(&packet).to_discovery_packet()
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);
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}
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task::spawn(peer_discovery_recv());
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task::spawn(peer_discovery_send(Arc::new(pubkey))).await;
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}
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