1 files changed, 84 insertions, 1 deletions

diff --git a/src/or/routerlist.h b/src/or/routerlist.h
index 6d1e2a0b8a..4b7406364f 100644
--- a/src/or/routerlist.h
+++ b/src/or/routerlist.h
@@ -13,6 +13,90 @@
 
 #include "lib/testsupport/testsupport.h"
 
+/** Return value for router_add_to_routerlist() and dirserv_add_descriptor() */
+typedef enum was_router_added_t {
+  /* Router was added successfully. */
+  ROUTER_ADDED_SUCCESSFULLY = 1,
+  /* Extrainfo document was rejected because no corresponding router
+   * descriptor was found OR router descriptor was rejected because
+   * it was incompatible with its extrainfo document. */
+  ROUTER_BAD_EI = -1,
+  /* Router descriptor was rejected because it is already known. */
+  ROUTER_IS_ALREADY_KNOWN = -2,
+  /* General purpose router was rejected, because it was not listed
+   * in consensus. */
+  ROUTER_NOT_IN_CONSENSUS = -3,
+  /* Router was neither in directory consensus nor in any of
+   * networkstatus documents. Caching it to access later.
+   * (Applies to fetched descriptors only.) */
+  ROUTER_NOT_IN_CONSENSUS_OR_NETWORKSTATUS = -4,
+  /* Router was rejected by directory authority. */
+  ROUTER_AUTHDIR_REJECTS = -5,
+  /* Bridge descriptor was rejected because such bridge was not one
+   * of the bridges we have listed in our configuration. */
+  ROUTER_WAS_NOT_WANTED = -6,
+  /* Router descriptor was rejected because it was older than
+   * OLD_ROUTER_DESC_MAX_AGE. */
+  ROUTER_WAS_TOO_OLD = -7, /* note contrast with 'NOT_NEW' */
+  /* DOCDOC */
+  ROUTER_CERTS_EXPIRED = -8
+} was_router_added_t;
+
+/** Flags to be passed to control router_choose_random_node() to indicate what
+ * kind of nodes to pick according to what algorithm. */
+typedef enum router_crn_flags_t {
+  CRN_NEED_UPTIME = 1<<0,
+  CRN_NEED_CAPACITY = 1<<1,
+  CRN_NEED_GUARD = 1<<2,
+  /* XXXX not used, apparently. */
+  CRN_WEIGHT_AS_EXIT = 1<<5,
+  CRN_NEED_DESC = 1<<6,
+  /* On clients, only provide nodes that satisfy ClientPreferIPv6OR */
+  CRN_PREF_ADDR = 1<<7,
+  /* On clients, only provide nodes that we can connect to directly, based on
+   * our firewall rules */
+  CRN_DIRECT_CONN = 1<<8,
+  /* On clients, only provide nodes with HSRend >= 2 protocol version which
+   * is required for hidden service version >= 3. */
+  CRN_RENDEZVOUS_V3 = 1<<9,
+} router_crn_flags_t;
+
+/** Possible ways to weight routers when choosing one randomly.  See
+ * routerlist_sl_choose_by_bandwidth() for more information.*/
+typedef enum bandwidth_weight_rule_t {
+  NO_WEIGHTING, WEIGHT_FOR_EXIT, WEIGHT_FOR_MID, WEIGHT_FOR_GUARD,
+  WEIGHT_FOR_DIR
+} bandwidth_weight_rule_t;
+
+/* Flags for pick_directory_server() and pick_trusteddirserver(). */
+/** Flag to indicate that we should not automatically be willing to use
+ * ourself to answer a directory request.
+ * Passed to router_pick_directory_server (et al).*/
+#define PDS_ALLOW_SELF                 (1<<0)
+/** Flag to indicate that if no servers seem to be up, we should mark all
+ * directory servers as up and try again.
+ * Passed to router_pick_directory_server (et al).*/
+#define PDS_RETRY_IF_NO_SERVERS        (1<<1)
+/** Flag to indicate that we should not exclude directory servers that
+ * our ReachableAddress settings would exclude.  This usually means that
+ * we're going to connect to the server over Tor, and so we don't need to
+ * worry about our firewall telling us we can't.
+ * Passed to router_pick_directory_server (et al).*/
+#define PDS_IGNORE_FASCISTFIREWALL     (1<<2)
+/** Flag to indicate that we should not use any directory authority to which
+ * we have an existing directory connection for downloading server descriptors
+ * or extrainfo documents.
+ *
+ * Passed to router_pick_directory_server (et al)
+ */
+#define PDS_NO_EXISTING_SERVERDESC_FETCH (1<<3)
+/** Flag to indicate that we should not use any directory authority to which
+ * we have an existing directory connection for downloading microdescs.
+ *
+ * Passed to router_pick_directory_server (et al)
+ */
+#define PDS_NO_EXISTING_MICRODESC_FETCH (1<<4)
+
 int get_n_authorities(dirinfo_type_t type);
 int trusted_dirs_reload_certs(void);
 
@@ -261,4 +345,3 @@ STATIC int router_is_already_dir_fetching(const tor_addr_port_t *ap,
 #endif /* defined(ROUTERLIST_PRIVATE) */
 
 #endif /* !defined(TOR_ROUTERLIST_H) */
-