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Add websocket listener to rendezvous-node (previously dial-only) #1214

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Add websocket listener to rendezvous-node (previously dial-only) #1214

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15 changes: 15 additions & 0 deletions libp2p-rendezvous-node/src/main.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,10 @@ struct Cli {
#[structopt(long, default_value = "8888")]
port: u16,

/// Port used for listening on websocket (put a TLS-terminating reverse proxy in front for wss)
#[structopt(long, default_value = "8889")]
ws_port: u16,

/// Enable listening on Tor onion service
#[structopt(long)]
no_onion: bool,
Expand Down Expand Up @@ -75,6 +79,17 @@ async fn main() -> Result<()> {
)
.context("Failed to initialize listener")?;

// The transport stack tries the websocket transport before plain TCP, but only for
// addresses carrying a /ws suffix — without a dedicated listener here, inbound wss
// (e.g. through a TLS-terminating reverse proxy) never gets accepted.
swarm
.listen_on(
format!("/ip4/0.0.0.0/tcp/{}/ws", cli.ws_port)
.parse()
.expect("static string is valid MultiAddress"),
)
.context("Failed to initialize websocket listener")?;

loop {
match swarm.select_next_some().await {
SwarmEvent::Behaviour(behaviour::BehaviourEvent::Server(
Expand Down