use async_trait::async_trait;
use futures::{AsyncReadExt, AsyncWriteExt};
use std::{error::Error, time::Duration};
#[macro_use]
extern crate lazy_static;
use libp2prs_core::identity::Keypair;
use libp2prs_core::peerstore::ADDRESS_TTL;
use libp2prs_core::transport::memory::MemoryTransport;
use libp2prs_core::transport::upgrade::TransportUpgrade;
use libp2prs_core::upgrade::{Selector, UpgradeInfo};
use libp2prs_core::{Multiaddr, PeerId, ProtocolId};
use libp2prs_exporter::ExporterServer;
use libp2prs_infoserver::InfoServer;
use libp2prs_mplex as mplex;
use libp2prs_runtime::task;
use libp2prs_secio as secio;
use libp2prs_swarm::identify::IdentifyConfig;
use libp2prs_swarm::ping::PingConfig;
use libp2prs_swarm::protocol_handler::{IProtocolHandler, Notifiee, ProtocolHandler, ProtocolImpl};
use libp2prs_swarm::substream::Substream;
use libp2prs_swarm::{DummyProtocol, Swarm};
use libp2prs_tcp::TcpConfig;
use libp2prs_websocket::WsConfig;
use libp2prs_yamux as yamux;
fn main() {
task::block_on(async {
env_logger::Builder::from_env(env_logger::Env::default().default_filter_or("info")).init();
if std::env::args().nth(1) == Some("server".to_string()) {
log::info!("Starting server ......");
run_server();
} else {
log::info!("Starting client ......");
run_client();
}
});
}
lazy_static! {
static ref SERVER_KEY: Keypair = Keypair::generate_ed25519_fixed();
}
const PROTO_NAME: &[u8] = b"/my/1.0.0";
#[allow(clippy::empty_loop)]
fn run_server() {
let keys = SERVER_KEY.clone();
let listen_addr1: Multiaddr = "/ip4/0.0.0.0/tcp/8086".parse().unwrap();
let listen_addr2: Multiaddr = "/ip4/127.0.0.1/tcp/30199/ws".parse().unwrap();
let sec = secio::Config::new(keys.clone());
let mux = Selector::new(yamux::Config::new(), mplex::Config::new());
let tu = TransportUpgrade::new(TcpConfig::default(), mux.clone(), sec.clone());
let tu2 = TransportUpgrade::new(MemoryTransport::default(), mux.clone(), sec.clone());
let tu3 = TransportUpgrade::new(WsConfig::new(), mux, sec);
struct MyProtocol;
impl ProtocolImpl for MyProtocol {
fn handler(&self) -> IProtocolHandler {
Box::new(MyProtocolHandler)
}
}
#[derive(Clone)]
struct MyProtocolHandler;
impl UpgradeInfo for MyProtocolHandler {
type Info = ProtocolId;
fn protocol_info(&self) -> Vec<Self::Info> {
vec![PROTO_NAME.into()]
}
}
impl Notifiee for MyProtocolHandler {}
#[async_trait]
impl ProtocolHandler for MyProtocolHandler {
async fn handle(&mut self, stream: Substream, _info: <Self as UpgradeInfo>::Info) -> Result<(), Box<dyn Error>> {
let mut stream = stream;
log::trace!("MyProtocol handling inbound {:?}", stream);
let mut msg = vec![0; 4096];
loop {
let n = stream.read(&mut msg).await?;
log::info!("received: {:?}", &msg[..n]);
stream.write(&msg[..n]).await?;
}
}
fn box_clone(&self) -> IProtocolHandler {
Box::new(self.clone())
}
}
let mut swarm = Swarm::new(keys.public())
.with_transport(Box::new(tu))
.with_transport(Box::new(tu2))
.with_transport(Box::new(tu3))
.with_protocol(DummyProtocol::new())
.with_protocol(MyProtocol)
.with_ping(PingConfig::new().with_unsolicited(true).with_interval(Duration::from_secs(1)))
.with_identify(IdentifyConfig::new(false));
log::info!("Swarm created, local-peer-id={:?}", swarm.local_peer_id());
let control = swarm.control();
swarm.listen_on(vec![listen_addr1, listen_addr2]).unwrap();
let monitor = InfoServer::new(control.clone());
monitor.start("127.0.0.1:8999".to_string());
ExporterServer::new(control).start("127.0.0.1:9102".to_string());
swarm.start();
loop {
std::thread::sleep(std::time::Duration::from_secs(5));
}
}
fn run_client() {
let keys = Keypair::generate_secp256k1();
let sec = secio::Config::new(keys.clone());
let mux = Selector::new(yamux::Config::new(), mplex::Config::new());
let tu = TransportUpgrade::new(TcpConfig::default(), mux.clone(), sec.clone());
let tu2 = TransportUpgrade::new(WsConfig::new(), mux, sec);
let swarm = Swarm::new(keys.public())
.with_transport(Box::new(tu))
.with_transport(Box::new(tu2))
.with_ping(PingConfig::new().with_unsolicited(false).with_interval(Duration::from_secs(1)))
.with_identify(IdentifyConfig::new(false));
let mut control = swarm.control();
let remote_peer_id = PeerId::from_public_key(SERVER_KEY.public());
log::info!("about to connect to {:?}", remote_peer_id);
swarm.start();
let addrs = vec![
"/ip4/127.0.0.1/tcp/30199/ws".parse().unwrap(),
"/ip4/127.0.0.1/tcp/8086".parse().unwrap(),
];
control.add_addrs(&remote_peer_id, addrs, ADDRESS_TTL);
task::block_on(async move {
for _ in 0..2 {
let mut stream = control.new_stream(remote_peer_id, vec![PROTO_NAME.into()]).await.unwrap();
log::info!("stream {:?} opened, writing something...", stream);
let _ = stream.write_all(b"hello").await;
let mut buf = [0; 4096];
let n = stream.read(&mut buf).await.unwrap();
let str = String::from_utf8_lossy(&buf[0..n]);
log::info!("======================{}", str);
task::sleep(Duration::from_secs(1)).await;
let _ = stream.close().await;
log::info!("shutdown is completed");
}
control.close();
});
}