[tor-commits] [tor/master] Merge remote-tracking branch 'origin/maint-0.2.2'

[nickm@xxxxxxxxxxxxxx]

commit d4526e1d4a02b3faa6b7b6030a634cbe20bea9f2
Merge: c13dc51 a574f7f
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Fri Mar 9 13:57:32 2012 -0500

    Merge remote-tracking branch 'origin/maint-0.2.2'
    
    Conflicts:
    	src/or/routerlist.c

 changes/bug5343     |    7 +++++++
 src/or/routerlist.c |   29 ++++++++++++++++++++++++-----
 2 files changed, 31 insertions(+), 5 deletions(-)

diff --cc src/or/routerlist.c
index d0ef662,f9d2e85..a9946b8
--- a/src/or/routerlist.c
+++ b/src/or/routerlist.c
@@@ -4896,25 -4794,20 +4897,27 @@@ get_dir_info_status_string(void
  static void
  count_usable_descriptors(int *num_present, int *num_usable,
                           const networkstatus_t *consensus,
 -                         or_options_t *options, time_t now,
 +                         const or_options_t *options, time_t now,
-                          routerset_t *in_set)
+                          routerset_t *in_set, int exit_only)
  {
 +  const int md = (consensus->flavor == FLAV_MICRODESC);
    *num_present = 0, *num_usable=0;
  
 -  SMARTLIST_FOREACH(consensus->routerstatus_list, routerstatus_t *, rs,
 -     {
 +  SMARTLIST_FOREACH_BEGIN(consensus->routerstatus_list, routerstatus_t *, rs)
 +    {
+        if (exit_only && ! rs->is_exit)
+          continue;
 -       if (in_set && ! routerset_contains_routerstatus(in_set, rs))
 +       if (in_set && ! routerset_contains_routerstatus(in_set, rs, -1))
           continue;
         if (client_would_use_router(rs, now, options)) {
 +         const char * const digest = rs->descriptor_digest;
 +         int present;
           ++*num_usable; /* the consensus says we want it. */
 -         if (router_get_by_descriptor_digest(rs->descriptor_digest)) {
 +         if (md)
 +           present = NULL != microdesc_cache_lookup_by_digest256(NULL, digest);
 +         else
 +           present = NULL != router_get_by_descriptor_digest(digest);
 +         if (present) {
             /* we have the descriptor listed in the consensus. */
             ++*num_present;
           }
@@@ -4960,12 -4852,12 +4963,13 @@@ static voi
  update_router_have_minimum_dir_info(void)
  {
    int num_present = 0, num_usable=0;
+   int num_exit_present = 0, num_exit_usable = 0;
    time_t now = time(NULL);
    int res;
 -  or_options_t *options = get_options();
 +  const or_options_t *options = get_options();
    const networkstatus_t *consensus =
 -    networkstatus_get_reasonably_live_consensus(now);
 +    networkstatus_get_reasonably_live_consensus(now,usable_consensus_flavor());
 +  int using_md;
  
    if (!consensus) {
      if (!networkstatus_get_latest_consensus())
@@@ -4986,10 -4878,10 +4990,12 @@@
      goto done;
    }
  
 +  using_md = consensus->flavor == FLAV_MICRODESC;
 +
    count_usable_descriptors(&num_present, &num_usable, consensus, options, now,
-                            NULL);
+                            NULL, 0);
+   count_usable_descriptors(&num_exit_present, &num_exit_usable,
+                            consensus, options, now, options->ExitNodes, 1);
  
    if (num_present < num_usable/4) {
      tor_snprintf(dir_info_status, sizeof(dir_info_status),
@@@ -5000,10 -4891,23 +5006,23 @@@
      goto done;
    } else if (num_present < 2) {
      tor_snprintf(dir_info_status, sizeof(dir_info_status),
 -                 "Only %d descriptor%s here and believed reachable!",
 -                 num_present, num_present ? "" : "s");
 +                 "Only %d %sdescriptor%s here and believed reachable!",
 +                 num_present, using_md ? "micro" : "", num_present ? "" : "s");
      res = 0;
      goto done;
+   } else if (num_exit_present < num_exit_usable / 3) {
+     tor_snprintf(dir_info_status, sizeof(dir_info_status),
+                  "We have only %d/%d usable exit node descriptors.",
+                  num_exit_present, num_exit_usable);
+     res = 0;
+     control_event_bootstrap(BOOTSTRAP_STATUS_REQUESTING_DESCRIPTORS, 0);
+     goto done;
+   } else if (num_exit_present < 2) {
+     tor_snprintf(dir_info_status, sizeof(dir_info_status),
+                  "Only %d descriptor%s here and believed reachable!",
+                  num_exit_present, num_exit_present ? "" : "s");
+     res = 0;
+     goto done;
    }
  
    /* Check for entry nodes. */

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