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-rw-r--r--src/or/or.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/or/or.h b/src/or/or.h
index a1a0790bc4..5c645927e3 100644
--- a/src/or/or.h
+++ b/src/or/or.h
@@ -3902,6 +3902,11 @@ typedef struct rend_encoded_v2_service_descriptor_t {
char *desc_str; /**< Descriptor string. */
} rend_encoded_v2_service_descriptor_t;
+/** The maximum number of non-circuit-build-timeout failures a hidden
+ * service client will tolerate while trying to build a circuit to an
+ * introduction point. See also rend_intro_point_t.unreachable_count. */
+#define MAX_INTRO_POINT_REACHABILITY_FAILURES 5
+
/** Introduction point information. Used both in rend_service_t (on
* the service side) and in rend_service_descriptor_t (on both the
* client and service side). */
@@ -3909,6 +3914,18 @@ typedef struct rend_intro_point_t {
extend_info_t *extend_info; /**< Extend info of this introduction point. */
crypto_pk_env_t *intro_key; /**< Introduction key that replaces the service
* key, if this descriptor is V2. */
+
+ /** (Client side only) Flag indicating that a timeout has occurred
+ * after sending an INTRODUCE cell to this intro point. After a
+ * timeout, an intro point should not be tried again during the same
+ * hidden service connection attempt, but it may be tried again
+ * during a future connection attempt. */
+ unsigned int timed_out : 1;
+
+ /** (Client side only) The number of times we have failed to build a
+ * circuit to this intro point for some reason other than our
+ * circuit-build timeout. See also MAX_INTRO_POINT_REACHABILITY_FAILURES. */
+ unsigned int unreachable_count : 3;
} rend_intro_point_t;
/** Information used to connect to a hidden service. Used on both the