Ticket 40872: Add conflux helper functions for control port info

src/core/or/conflux_util.c

@@ -442,3 +442,30 @@ conflux_validate_legs(const conflux_t *cfx)
     conflux_log_set(LOG_PROTOCOL_WARN, cfx, is_client);
   }
 }
+
+/** Return the nonce for a circuit, for use on the control port */
+const uint8_t *
+conflux_get_nonce(const circuit_t *circ)
+{
+  if (circ->conflux_pending_nonce) {
+    return circ->conflux_pending_nonce;
+  } else if (circ->conflux) {
+    return circ->conflux->nonce;
+  } else {
+    return NULL;
+  }
+}
+
+/** Return the conflux RTT for a circuit, for use on the control port */
+uint64_t
+conflux_get_circ_rtt(const circuit_t *circ)
+{
+  if (circ->conflux) {
+    conflux_leg_t *leg = conflux_get_leg(circ->conflux, circ);
+    tor_assert(leg);
+    return leg->circ_rtts_usec;
+  } else {
+    return 0;
+  }
+}
+

src/core/or/conflux_util.h

@@ -34,6 +34,9 @@ CIRCUIT_IS_CONFLUX(const circuit_t *circ)
   }
 }
 
+const uint8_t *conflux_get_nonce(const circuit_t *circ);
+uint64_t conflux_get_circ_rtt(const circuit_t *circ);
+
 int circuit_get_package_window(circuit_t *circ,
                                const crypt_path_t *cpath);
 bool conflux_can_send(conflux_t *cfx);