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Update examples to print a listen address. (#1064)

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This was no longer the case since https://github.com/libp2p/rust-libp2p/pull/1032.
This commit is contained in:
Roman Borschel
2019-04-16 19:57:16 +02:00
committed by GitHub
parent a953b613cf
commit 3ec9c37e17
2 changed files with 27 additions and 10 deletions
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19
examples/chat.rs
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@@ -52,6 +52,7 @@
use futures::prelude::*;
use libp2p::{
PeerId,
Swarm,
NetworkBehaviour,
identity,
tokio_codec::{FramedRead, LinesCodec}
@@ -118,10 +119,6 @@ fn main() {
libp2p::Swarm::new(transport, behaviour, local_peer_id)
};
// Listen on all interfaces and whatever port the OS assigns
let addr = libp2p::Swarm::listen_on(&mut swarm, "/ip4/0.0.0.0/tcp/0".parse().unwrap()).unwrap();
println!("Listening on {:?}", addr);
// Reach out to another node if specified
if let Some(to_dial) = std::env::args().nth(1) {
let dialing = to_dial.clone();
@@ -140,7 +137,11 @@ fn main() {
let stdin = tokio_stdin_stdout::stdin(0);
let mut framed_stdin = FramedRead::new(stdin, LinesCodec::new());
// Listen on all interfaces and whatever port the OS assigns
libp2p::Swarm::listen_on(&mut swarm, "/ip4/0.0.0.0/tcp/0".parse().unwrap()).unwrap();
// Kick it off
let mut listening = false;
tokio::run(futures::future::poll_fn(move || -> Result<_, ()> {
loop {
match framed_stdin.poll().expect("Error while polling stdin") {
@@ -155,7 +156,15 @@ fn main() {
Async::Ready(Some(_)) => {
},
Async::Ready(None) | Async::NotReady => break,
Async::Ready(None) | Async::NotReady => {
if !listening {
if let Some(a) = Swarm::listeners(&swarm).next() {
println!("Listening on {:?}", a);
listening = true;
}
}
break
}
}
}