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fixup! Make router_pick_directory_server respect PDS_NO_EXISTING_*

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Document n_busy_out, and set it correctly when we goto retry_without_exclude.
This commit is contained in:
Nick Mathewson 2014-09-23 12:47:39 -04:00
parent 482e3cfa09
commit 55b21b366c
1 changed files with 8 additions and 3 deletions
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11
src/or/routerlist.c
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@ -1383,6 +1383,10 @@ router_pick_dirserver_generic(smartlist_t *sourcelist,
*
* If the PDS_PREFER_TUNNELED_DIR_CONNS_ flag is set, prefer directory servers
* that we can use with BEGINDIR.
*
* If <b>n_busy_out</b> is provided, set *<b>n_busy_out</b> to the number of
* directories that we excluded for no other reason than
* PDS_NO_EXISTING_SERVERDESC_FETCH or PDS_NO_EXISTING_MICRODESC_FETCH.
*/
static const routerstatus_t *
router_pick_directory_server_impl(dirinfo_type_t type, int flags,
@ -1506,17 +1510,18 @@ router_pick_directory_server_impl(dirinfo_type_t type, int flags,
smartlist_free(overloaded_direct);
smartlist_free(overloaded_tunnel);
if (n_busy_out)
*n_busy_out = n_busy;
if (result == NULL && try_excluding && !options->StrictNodes && n_excluded) {
/* If we got no result, and we are excluding nodes, and StrictNodes is
* not set, try again without excluding nodes. */
try_excluding = 0;
n_excluded = 0;
n_busy = 0;
goto retry_without_exclude;
}
if (n_busy_out)
*n_busy_out = n_busy;
return result ? result->rs : NULL;
}