[tor-commits] [tor/master] Allow clients to retry HSDirs much faster in test networks

[nickm@xxxxxxxxxxxxxx]

commit d8cd994ef6b273cae7277a2ba79aa37b7eb9b1f3
Author: teor (Tim Wilson-Brown) <teor2345@xxxxxxxxx>
Date:   Mon Jul 18 13:25:15 2016 +1000

    Allow clients to retry HSDirs much faster in test networks
---
 changes/bug19702    |  3 +++
 src/or/rendclient.c | 21 +++++++++++++++++++--
 2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/changes/bug19702 b/changes/bug19702
new file mode 100644
index 0000000..4ec2699
--- /dev/null
+++ b/changes/bug19702
@@ -0,0 +1,3 @@
+  o Minor bugfixes (test networks):
+    - Allow clients to retry HSDirs much faster in test networks.
+      Fixes bug #19702; bugfix on 0.2.7.1-alpha. Patch by teor.
diff --git a/src/or/rendclient.c b/src/or/rendclient.c
index 64d3673..2d47e12 100644
--- a/src/or/rendclient.c
+++ b/src/or/rendclient.c
@@ -469,6 +469,23 @@ rend_client_introduction_acked(origin_circuit_t *circ,
 /** The period for which a hidden service directory cannot be queried for
  * the same descriptor ID again. */
 #define REND_HID_SERV_DIR_REQUERY_PERIOD (15 * 60)
+/** Test networks generate a new consensus every 5 or 10 seconds.
+ * So allow them to requery HSDirs much faster. */
+#define REND_HID_SERV_DIR_REQUERY_PERIOD_TESTING (5)
+
+/** Return the period for which a hidden service directory cannot be queried
+ * for the same descriptor ID again, taking TestingTorNetwork into account. */
+static time_t
+hsdir_requery_period(const or_options_t *options)
+{
+  tor_assert(options);
+
+  if (options->TestingTorNetwork) {
+    return REND_HID_SERV_DIR_REQUERY_PERIOD_TESTING;
+  } else {
+    return REND_HID_SERV_DIR_REQUERY_PERIOD;
+  }
+}
 
 /** Contains the last request times to hidden service directories for
  * certain queries; each key is a string consisting of the
@@ -532,7 +549,7 @@ static void
 directory_clean_last_hid_serv_requests(time_t now)
 {
   strmap_iter_t *iter;
-  time_t cutoff = now - REND_HID_SERV_DIR_REQUERY_PERIOD;
+  time_t cutoff = now - hsdir_requery_period(get_options());
   strmap_t *last_hid_serv_requests = get_last_hid_serv_requests();
   for (iter = strmap_iter_init(last_hid_serv_requests);
        !strmap_iter_done(iter); ) {
@@ -635,7 +652,7 @@ pick_hsdir(const char *desc_id, const char *desc_id_base32)
     time_t last = lookup_last_hid_serv_request(dir, desc_id_base32,
                                                0, 0);
     const node_t *node = node_get_by_id(dir->identity_digest);
-    if (last + REND_HID_SERV_DIR_REQUERY_PERIOD >= now ||
+    if (last + hsdir_requery_period(options) >= now ||
         !node || !node_has_descriptor(node)) {
       SMARTLIST_DEL_CURRENT(responsible_dirs, dir);
       continue;



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