Fix bridge statistics.

Fix statistics on client numbers by country as seen by bridges that were
broken in 0.2.2.1-alpha. Also switch to reporting full 24-hour intervals
instead of variable 12-to-48-hour intervals.

1 files changed, 11 insertions, 37 deletions

diff --git a/src/or/router.c b/src/or/router.c
index 8b6d1d9bbd..7362e60f66 100644
--- a/src/or/router.c
+++ b/src/or/router.c
@@ -1882,6 +1882,7 @@ extrainfo_dump_to_string(char *s, size_t maxlen, extrainfo_t *extrainfo,
   int result;
   size_t len;
   static int write_stats_to_extrainfo = 1;
+  time_t now = time(NULL);
 
   base16_encode(identity, sizeof(identity),
                 extrainfo->cache_info.identity_digest, DIGEST_LEN);
@@ -1896,7 +1897,6 @@ extrainfo_dump_to_string(char *s, size_t maxlen, extrainfo_t *extrainfo,
 
   if (options->ExtraInfoStatistics && write_stats_to_extrainfo) {
     char *contents = NULL;
-    time_t now = time(NULL);
     log_info(LD_GENERAL, "Adding stats to extra-info descriptor.");
     if (options->DirReqStatistics &&
         load_stats_file("stats"PATH_SEPARATOR"dirreq-stats",
@@ -1953,18 +1953,16 @@ extrainfo_dump_to_string(char *s, size_t maxlen, extrainfo_t *extrainfo,
     return -1;
 
   if (should_record_bridge_info(options)) {
-    char *geoip_summary = extrainfo_get_client_geoip_summary(time(NULL));
-    if (geoip_summary) {
-      char geoip_start[ISO_TIME_LEN+1];
-      format_iso_time(geoip_start, geoip_get_history_start());
-      result = tor_snprintf(s+strlen(s), maxlen-strlen(s),
-                            "geoip-start-time %s\n"
-                            "geoip-client-origins %s\n",
-                            geoip_start, geoip_summary);
-      control_event_clients_seen(geoip_start, geoip_summary);
-      tor_free(geoip_summary);
-      if (result<0)
-        return -1;
+    char *bridge_stats = geoip_get_bridge_stats_extrainfo(now);
+    if (bridge_stats) {
+      size_t pos = strlen(s);
+      if (strlcpy(s + pos, bridge_stats, maxlen - strlen(s)) !=
+          strlen(bridge_stats)) {
+        log_warn(LD_DIR, "Could not write bridge-stats to extra-info "
+                 "descriptor.");
+        s[pos] = '\0';
+      }
+      tor_free(bridge_stats);
     }
   }
 
@@ -2013,30 +2011,6 @@ extrainfo_dump_to_string(char *s, size_t maxlen, extrainfo_t *extrainfo,
   return (int)strlen(s)+1;
 }
 
-/** Wrapper function for geoip_get_client_history(). It first discards
- * any items in the client history that are too old -- it dumps anything
- * more than 48 hours old, but it only considers whether to dump at most
- * once per 48 hours, so we aren't too precise to an observer (see also
- * r14780).
- */
-char *
-extrainfo_get_client_geoip_summary(time_t now)
-{
-  static time_t last_purged_at = 0;
-  int geoip_purge_interval =
-      (get_options()->DirReqStatistics || get_options()->EntryStatistics) ?
-      DIR_ENTRY_RECORD_USAGE_RETAIN_IPS : 48*60*60;
-  if (now > last_purged_at+geoip_purge_interval) {
-    /* (Note that this also discards items in the client history with
-     * action GEOIP_CLIENT_NETWORKSTATUS{_V2}, which doesn't matter
-     * because bridge and directory stats are independent. Keep in mind
-     * for future extensions, though.) */
-    geoip_remove_old_clients(now-geoip_purge_interval);
-    last_purged_at = now;
-  }
-  return geoip_get_client_history_bridge(now, GEOIP_CLIENT_CONNECT);
-}
-
 /** Return true iff <b>s</b> is a legally valid server nickname. */
 int
 is_legal_nickname(const char *s)