1 files changed, 10 insertions, 1 deletions
diff --git a/src/core/mainloop/connection.h b/src/core/mainloop/connection.h
index bcd3d590a5..9dab28c3d9 100644
--- a/src/core/mainloop/connection.h
+++ b/src/core/mainloop/connection.h
@@ -31,6 +31,8 @@ struct tor_addr_t;
 struct or_options_t;
 
 struct listener_connection_t *TO_LISTENER_CONN(struct connection_t *);
+const struct listener_connection_t *CONST_TO_LISTENER_CONN(
+                                      const struct connection_t *);
 
 struct buf_t;
 
@@ -71,8 +73,12 @@ struct buf_t;
 #define CONN_TYPE_EXT_OR_LISTENER 17
 /** Type for sockets listening for HTTP CONNECT tunnel connections. */
 #define CONN_TYPE_AP_HTTP_CONNECT_LISTENER 18
+/** Type for sockets listening for Metrics query connections. */
+#define CONN_TYPE_METRICS_LISTENER 19
+/** Type for connections from metrics listener. */
+#define CONN_TYPE_METRICS 20
 
-#define CONN_TYPE_MAX_ 19
+#define CONN_TYPE_MAX_ 21
 /* !!!! If _CONN_TYPE_MAX is ever over 31, we must grow the type field in
  * struct connection_t. */
 
@@ -116,6 +122,9 @@ const char *conn_type_to_string(int type);
 const char *conn_state_to_string(int type, int state);
 int conn_listener_type_supports_af_unix(int type);
 
+const char *connection_describe(const connection_t *conn);
+const char *connection_describe_peer(const connection_t *conn);
+
 struct dir_connection_t *dir_connection_new(int socket_family);
 struct or_connection_t *or_connection_new(int type, int socket_family);
 struct edge_connection_t *edge_connection_new(int type, int socket_family);