choose_random_entry_impl(): Remove useless consider_exit_family.

The variable was useless since it was only toggled off in disabled code.

If the 'exit_family' smartlist is empty, we don't consider exit family
anyway.
This commit is contained in:
George Kadianakis 2014-06-09 17:42:55 +01:00
parent 115b3e7645
commit f75c6ce981

View file

@ -1008,7 +1008,7 @@ choose_random_entry_impl(cpath_build_state_t *state, int for_directory,
const node_t *node = NULL;
int need_uptime = state ? state->need_uptime : 0;
int need_capacity = state ? state->need_capacity : 0;
int preferred_min, consider_exit_family = 0;
int preferred_min = 0;
int need_descriptor = !for_directory;
const int num_needed = decide_num_guards(options, for_directory);
@ -1017,7 +1017,6 @@ choose_random_entry_impl(cpath_build_state_t *state, int for_directory,
if (chosen_exit) {
nodelist_add_node_and_family(exit_family, chosen_exit);
consider_exit_family = 1;
}
if (!entry_guards)
@ -1044,7 +1043,7 @@ choose_random_entry_impl(cpath_build_state_t *state, int for_directory,
}
if (node == chosen_exit)
continue; /* don't pick the same node for entry and exit */
if (consider_exit_family && smartlist_contains(exit_family, node))
if (smartlist_contains(exit_family, node))
continue; /* avoid relays that are family members of our exit */
if (dirinfo_type != NO_DIRINFO &&
!node_can_handle_dirinfo(node, dirinfo_type))
@ -1099,18 +1098,7 @@ choose_random_entry_impl(cpath_build_state_t *state, int for_directory,
need_capacity = 0;
goto retry;
}
#if 0
/* Removing this retry logic: if we only allow one exit, and it is in the
same family as all our entries, then we are just plain not going to win
here. */
if (!node && entry_list_is_constrained(options) && consider_exit_family) {
/* still no? if we're using bridges or have strictentrynodes
* set, and our chosen exit is in the same family as all our
* bridges/entry guards, then be flexible about families. */
consider_exit_family = 0;
goto retry;
}
#endif
/* live_entry_guards may be empty below. Oh well, we tried. */
}