diff options
Diffstat (limited to 'src/or/nodelist.h')
| -rw-r--r-- | src/or/nodelist.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/or/nodelist.h b/src/or/nodelist.h index 48b0e94be0..56cfffa9f1 100644 --- a/src/or/nodelist.h +++ b/src/or/nodelist.h @@ -80,6 +80,28 @@ int router_exit_policy_all_nodes_reject(const tor_addr_t *addr, uint16_t port, int need_uptime); void router_set_status(const char *digest, int up); int router_have_minimum_dir_info(void); + +/** Set to CONSENSUS_PATH_EXIT if there is at least one exit node + * in the consensus. We update this flag in compute_frac_paths_available if + * there is at least one relay that has an Exit flag in the consensus. + * Used to avoid building exit circuits when they will almost certainly fail. + * Set to CONSENSUS_PATH_INTERNAL if there are no exits in the consensus. + * (This situation typically occurs during bootstrap of a test network.) + * Set to CONSENSUS_PATH_UNKNOWN if we have never checked, or have + * reason to believe our last known value was invalid or has expired. + */ +typedef enum { + /* we haven't checked yet, or we have invalidated our previous check */ + CONSENSUS_PATH_UNKNOWN = -1, + /* The consensus only has internal relays, and we should only + * create internal paths, circuits, streams, ... */ + CONSENSUS_PATH_INTERNAL = 0, + /* The consensus has at least one exit, and can therefore (potentially) + * create exit and internal paths, circuits, streams, ... */ + CONSENSUS_PATH_EXIT = 1 +} consensus_path_type_t; +consensus_path_type_t router_have_consensus_path(void); + void router_dir_info_changed(void); const char *get_dir_info_status_string(void); int count_loading_descriptors_progress(void); |