[tor-commits] [tor/master] Add stub functions for querying metadata about the consensus.

[nickm@xxxxxxxxxxxxxx]

commit 363f4b8db5f9f642f848f2e50ae0c6bb0f1ff25e
Author: Alexander Færøy <ahf@xxxxxxxxxxxxxx>
Date:   Sat May 13 01:03:55 2017 +0200

    Add stub functions for querying metadata about the consensus.
---
 src/or/conscache.c | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 src/or/conscache.h |  8 ++++++++
 2 files changed, 67 insertions(+)

diff --git a/src/or/conscache.c b/src/or/conscache.c
index 5ffa129..fd46cbe 100644
--- a/src/or/conscache.c
+++ b/src/or/conscache.c
@@ -374,6 +374,65 @@ consensus_cache_entry_get_body(const consensus_cache_entry_t *ent,
   return 0;
 }
 
+/** Read the lifetime of cached object <b>ent</b> into <b>lifetime</b>. */
+int consensus_cache_entry_get_lifetime(const consensus_cache_entry_t *ent,
+                                       long *lifetime)
+{
+  if (BUG(ent->magic != CCE_MAGIC))
+    return -1; // LCOV_EXCL_LINE
+
+  tor_assert(lifetime);
+
+  // FIXME(ahf): Fill out.
+  *lifetime = 0;
+
+  return 0;
+}
+
+/** Return non-zero if the cache object found in <b>ent</b> is
+ * reasonably live, otherwise return 0.   Use <b>now</b> to pass the
+ * timestamp used for comparison. */
+int consensus_cache_entry_is_reasonably_live(const consensus_cache_entry_t *ent,
+                                             time_t now)
+{
+  if (BUG(ent->magic != CCE_MAGIC))
+    return -1; // LCOV_EXCL_LINE
+
+  // FIXME(ahf): Fill out.
+  (void)now;
+
+  return 1;
+}
+
+/** Read the set of voters from the cached object <b>ent</b> into <b>out</b>. */
+int consensus_cache_entry_get_voters(const consensus_cache_entry_t *ent,
+                                     smartlist_t *out)
+{
+  if (BUG(ent->magic != CCE_MAGIC))
+    return -1; // LCOV_EXCL_LINE
+
+  // FIXME(ahf): Fill out.
+  (void)out;
+
+  return 0;
+}
+
+/** Read the valid until timestamp from the cached object <b>ent</b>
+ * into <b>out</b>. */
+int consensus_cache_entry_valid_until(const consensus_cache_entry_t *ent,
+                                      time_t *out)
+{
+  if (BUG(ent->magic != CCE_MAGIC))
+    return -1; // LCOV_EXCL_LINE
+
+  tor_assert(out);
+
+  // FIXME(ahf): Fill out.
+  *out = time(NULL);
+
+  return 0;
+}
+
 /**
  * Unmap every mmap'd element of <b>cache</b> that has been unused
  * since <b>cutoff</b>.
diff --git a/src/or/conscache.h b/src/or/conscache.h
index aef5420..fcc3f3e 100644
--- a/src/or/conscache.h
+++ b/src/or/conscache.h
@@ -52,6 +52,14 @@ void consensus_cache_entry_mark_for_aggressive_release(
 int consensus_cache_entry_get_body(const consensus_cache_entry_t *ent,
                                    const uint8_t **body_out,
                                    size_t *sz_out);
+int consensus_cache_entry_get_lifetime(const consensus_cache_entry_t *ent,
+                                       long *lifetime);
+int consensus_cache_entry_is_reasonably_live(const consensus_cache_entry_t *ent,
+                                             time_t now);
+int consensus_cache_entry_get_voters(const consensus_cache_entry_t *ent,
+                                     smartlist_t *out);
+int consensus_cache_entry_valid_until(const consensus_cache_entry_t *ent,
+                                      time_t *out);
 
 #ifdef TOR_UNIT_TESTS
 int consensus_cache_entry_is_mapped(consensus_cache_entry_t *ent);



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