1 files changed, 33 insertions, 0 deletions
diff --git a/crates/tor-config-shared/src/metrics.rs b/crates/tor-config-shared/src/metrics.rs
new file mode 100644
index 000000000..f8d05c7ab
--- /dev/null
+++ b/crates/tor-config-shared/src/metrics.rs
@@ -0,0 +1,33 @@
+//! Configuration for metrics reporting via Prometheus / etc
+
+use derive_deftly::Deftly;
+
+use tor_config::Listen;
+use tor_config::derive::prelude::*;
+
+/// Configuration for exporting metrics (eg, perf data)
+#[derive(Debug, Clone, Deftly, Eq, PartialEq)]
+#[derive_deftly(TorConfig)]
+#[non_exhaustive]
+pub struct MetricsConfig {
+    /// Where to listen for incoming HTTP connections.
+    #[deftly(tor_config(sub_builder))]
+    pub prometheus: PrometheusConfig,
+}
+
+/// Configuration for one or more proxy listeners.
+#[derive(Debug, Clone, Deftly, Eq, PartialEq)]
+#[derive_deftly(TorConfig)]
+#[non_exhaustive]
+pub struct PrometheusConfig {
+    /// Port on which to establish a Prometheus scrape endpoint
+    ///
+    /// We listen here for incoming HTTP connections.
+    ///
+    /// If just a port is provided, we don't support IPv6.
+    /// Alternatively, (only) a single address and port can be specified.
+    /// These restrictions are due to upstream limitations:
+    /// <https://github.com/metrics-rs/metrics/issues/567>.
+    #[deftly(tor_config(default))]
+    pub listen: Listen,
+}