libp2p: add UPnP support

1 files changed, 10 insertions, 0 deletions

diff --git a/src/config/mod.rs b/src/config/mod.rs
index cfe2e7e..cb4bf19 100644
--- a/src/config/mod.rs
+++ b/src/config/mod.rs
@@ -292,6 +292,13 @@ pub(crate) const OPTIONS: &[OptionSpec] = &[
         "With the libp2p transport: find nodes on the LAN (multicast DNS, IPv4). Those that speak continuum are seeds while joining, so nodes on one LAN find each other without configured seeds; a swarm key keeps a new node from joining another swarm on the same LAN.",
     ),
     option(
+        "libp2p-upnp",
+        Kind::Flag,
+        "BOOL",
+        Some("false"),
+        "With the libp2p transport: ask the router to forward this node's listen ports (UPnP), and publish where (the router's public address), so that nodes elsewhere can dial it: behind a home router, no relay or hole punching is needed then. Opens those ports on the router for as long as the node runs.",
+    ),
+    option(
         "libp2p-public",
         Kind::Flag,
         "BOOL",
@@ -458,6 +465,9 @@ pub(crate) struct Settings {
     pub(crate) libp2p_mdns: bool,
     #[serde(default)]
     #[cfg_attr(not(feature = "libp2p"), allow(dead_code))]
+    pub(crate) libp2p_upnp: bool,
+    #[serde(default)]
+    #[cfg_attr(not(feature = "libp2p"), allow(dead_code))]
     pub(crate) libp2p_public: bool,
     #[cfg_attr(not(feature = "libp2p"), allow(dead_code))]
     pub(crate) libp2p_key_file: Option<PathBuf>,