[tor-commits] [tor/master] Record the time at which each intro point was first published

[nickm@xxxxxxxxxxxxxx]

commit c60148c7f52e76397b79faaddf1bdb6204c4d170
Author: Robert Ransom <rransom.8774@xxxxxxxxx>
Date:   Wed Oct 5 15:43:02 2011 -0700

    Record the time at which each intro point was first published
---
 src/or/or.h          |    5 +++++
 src/or/rendservice.c |    8 ++++++++
 2 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/src/or/or.h b/src/or/or.h
index f884c12..cf241a6 100644
--- a/src/or/or.h
+++ b/src/or/or.h
@@ -3480,6 +3480,11 @@ typedef struct rend_intro_point_t {
    * 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;
+
+  /** (Service side only) The time at which this intro point was first
+   * published, or -1 if this intro point has not yet been
+   * published. */
+  time_t time_published;
 } rend_intro_point_t;
 
 /** Information used to connect to a hidden service.  Used on both the
diff --git a/src/or/rendservice.c b/src/or/rendservice.c
index 682d13d..24d5937 100644
--- a/src/or/rendservice.c
+++ b/src/or/rendservice.c
@@ -554,6 +554,13 @@ rend_service_update_descriptor(rend_service_t *service)
     if (intro_svc->intro_key)
       intro_desc->intro_key = crypto_pk_dup_key(intro_svc->intro_key);
     smartlist_add(d->intro_nodes, intro_desc);
+
+    if (intro_svc->time_published == -1) {
+      /* We are publishing this intro point in a descriptor for the
+       * first time -- note the current time in the service's copy of
+       * the intro point. */
+      intro_svc->time_published = time(NULL);
+    }
   }
 }
 
@@ -1952,6 +1959,7 @@ rend_services_introduce(void)
       intro->extend_info = extend_info_from_router(router);
       intro->intro_key = crypto_new_pk_env();
       tor_assert(!crypto_pk_generate_key(intro->intro_key));
+      intro->time_published = -1;
       smartlist_add(service->intro_nodes, intro);
       log_info(LD_REND, "Picked router %s as an intro point for %s.",
                safe_str_client(router_describe(router)),



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