[GNUnet-SVN] r18364 - gnunet/src/nse

[gnunet]

Author: grothoff
Date: 2011-11-28 19:02:29 +0100 (Mon, 28 Nov 2011)
New Revision: 18364

Modified:
   gnunet/src/nse/gnunet-service-nse.c
Log:
-trying harder to remove useless signing in NSE

Modified: gnunet/src/nse/gnunet-service-nse.c
===================================================================
--- gnunet/src/nse/gnunet-service-nse.c 2011-11-28 17:51:36 UTC (rev 18363)
+++ gnunet/src/nse/gnunet-service-nse.c 2011-11-28 18:02:29 UTC (rev 18364)
@@ -830,7 +830,6 @@
            sizeof (uint64_t)];
   GNUNET_HashCode result;
   unsigned int i;
-  const struct GNUNET_CRYPTO_RsaSignature *sig_cache;
 
   proof_task = GNUNET_SCHEDULER_NO_TASK;
   memcpy (&buf[sizeof (uint64_t)], &my_public_key,
@@ -848,36 +847,8 @@
       GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Proof of work found: %llu!\n",
                   (unsigned long long) GNUNET_ntohll (counter));
 #endif
-      sig_cache = NULL;
-      for (i = 0; i < HISTORY_SIZE; i++)
-        if (ntohl (size_estimate_messages[i].hop_count) == 0)
-        {
-          size_estimate_messages[i].proof_of_work = my_proof;
-         if (nse_work_required > 0)
-         {
-           if (sig_cache == NULL)
-           {
-             GNUNET_assert (GNUNET_OK ==
-                            GNUNET_CRYPTO_rsa_sign (my_private_key,
-                                                    &size_estimate_messages
-                                                    [i].purpose,
-                                                    &size_estimate_messages
-                                                    [i].signature));
-             sig_cache = &size_estimate_messages[i].signature;
-           }
-           else
-           {         
-             /* use cached signature */
-             size_estimate_messages[i].signature = *sig_cache;
-           }
-         }
-         else
-         {
-           /* no signature required */
-           memset (&size_estimate_messages[i].signature, 0, sizeof (struct 
GNUNET_CRYPTO_RsaSignature));
-         }
-        }
       write_proof ();
+      setup_flood_message (estimate_index, current_timestamp);
       return;
     }
     counter++;
@@ -1270,7 +1241,6 @@
 {
   struct GNUNET_TIME_Absolute now;
   struct GNUNET_TIME_Absolute prev_time;
-  unsigned int i;
 
   if (server == NULL)
   {
@@ -1288,17 +1258,17 @@
       (now.abs_value / gnunet_nse_interval.rel_value) *
       gnunet_nse_interval.rel_value;
   next_timestamp.abs_value =
-      current_timestamp.abs_value + gnunet_nse_interval.rel_value;
-
-  for (i = 0; i < HISTORY_SIZE; i++)
+    current_timestamp.abs_value + gnunet_nse_interval.rel_value;
+  estimate_index = HISTORY_SIZE - 1;
+  estimate_count = 0;
+  if (GNUNET_YES == check_proof_of_work (&my_public_key,
+                                        my_proof))
   {
     prev_time.abs_value =
-        current_timestamp.abs_value - (HISTORY_SIZE - i -
-                                       1) * gnunet_nse_interval.rel_value;
-    setup_flood_message (i, prev_time);
+      current_timestamp.abs_value - (estimate_index - 1) * 
gnunet_nse_interval.rel_value;
+    setup_flood_message (estimate_index, prev_time);
+    estimate_count++;
   }
-  estimate_index = HISTORY_SIZE - 1;
-  estimate_count = 2;
   flood_task =
       GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_absolute_get_remaining
                                     (next_timestamp), &update_flood_message,