node: Add `listen` option to node config

radicle-node/src/main.rs

@@ -112,6 +112,11 @@ fn execute() -> anyhow::Result<()> {
     let daemon = options.daemon.unwrap_or_else(|| {
         net::SocketAddr::new(net::Ipv4Addr::LOCALHOST.into(), radicle::git::PROTOCOL_PORT)
     });
+    let listen: Vec<std::net::SocketAddr> = if !options.listen.is_empty() {
+        options.listen.clone()
+    } else {
+        config.listen.clone()
+    };
 
     let (notify, signals) = chan::bounded(1);
     signals::install(notify)?;
@@ -120,7 +125,7 @@ fn execute() -> anyhow::Result<()> {
         log::debug!(target: "node", "Removing existing control socket..");
         fs::remove_file(home.socket()).ok();
     }
-    Runtime::init(home, config, options.listen, proxy, daemon, signals, signer)?.run()?;
+    Runtime::init(home, config, listen, proxy, daemon, signals, signer)?.run()?;
 
     Ok(())
 }

radicle/src/node/config.rs

@@ -1,4 +1,5 @@
 use std::collections::HashSet;
+use std::net;
 use std::ops::Deref;
 
 use cyphernet::addr::PeerAddr;
@@ -165,6 +166,9 @@ impl Default for PeerConfig {
 pub struct Config {
     /// Node alias.
     pub alias: Alias,
+    /// Address to listen on.
+    #[serde(default)]
+    pub listen: Vec<net::SocketAddr>,
     /// Peer configuration.
     #[serde(default)]
     pub peers: PeerConfig,
@@ -204,6 +208,7 @@ impl Config {
         Self {
             alias,
             peers: PeerConfig::default(),
+            listen: vec![],
             connect: HashSet::default(),
             external_addresses: vec![],
             network: Network::default(),