From 54a8d7b3409f6a5857b6fc9a964a36b66c28ae25 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Fri, 30 Oct 2026 15:36:47 +0100
Subject: refactor transports to start themselves

---
 src/transport/libp2p.rs | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

(limited to 'src/transport/libp2p.rs')

diff --git a/src/transport/libp2p.rs b/src/transport/libp2p.rs
index 610b94e..2d67d2c 100644
--- a/src/transport/libp2p.rs
+++ b/src/transport/libp2p.rs
@@ -205,6 +205,41 @@ pub(crate) struct Libp2pConfig {
 }
 
 impl Libp2pConfig {
+    /// The configuration `settings` give; `relay_only`: a relay that is no node
+    /// (`--relay-only`).
+    pub(crate) fn from_settings(
+        settings: &crate::config::Settings,
+        relay_only: bool,
+    ) -> Result<Self> {
+        let parse = |option: &str, addresses: &[String]| {
+            addresses
+                .iter()
+                .map(|address| {
+                    address
+                        .parse::<Multiaddr>()
+                        .with_context(|| format!("{option} {address:?}"))
+                })
+                .collect::<Result<Vec<_>>>()
+        };
+        Ok(Self {
+            key: Self::load_key(settings.libp2p_key_file.as_deref())?,
+            listen: parse("libp2p-listen", &settings.libp2p_listen)?,
+            announce: parse("libp2p-announce", &settings.libp2p_announce)?,
+            relays: parse("libp2p-relays", &settings.libp2p_relays)?,
+            relay: settings.libp2p_relay || relay_only,
+            continuum: !relay_only,
+            mdns: settings.libp2p_mdns,
+            upnp: settings.libp2p_upnp,
+            ignore: settings
+                .libp2p_ignore
+                .iter()
+                .map(|range| range.parse().context("libp2p-ignore"))
+                .collect::<Result<Vec<_>>>()?,
+            public: settings.libp2p_public,
+            memory: false,
+        })
+    }
+
     /// The key in `path` (32 raw bytes, an Ed25519 secret key), or a new one each start
     /// without a file: the peer ID only says where a node is, so a new one costs nothing
     /// but the WHO that finds it again (`transport::identity`).
-- 
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