From ebb8d4e79c9ea21befad74973da051fa09efb0d0 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Tue, 28 Feb 2017 02:14:27 +0100
Subject: consensus: slack-a2a evilness mode and static replication in profiler

---
 src/consensus/gnunet-consensus-profiler.c | 52 ++++++++++++++++++++++---------
 src/consensus/gnunet-service-consensus.c  | 18 +++++++++++
 2 files changed, 56 insertions(+), 14 deletions(-)

(limited to 'src/consensus')

diff --git a/src/consensus/gnunet-consensus-profiler.c b/src/consensus/gnunet-consensus-profiler.c
index 290263d95..65542f4cd 100644
--- a/src/consensus/gnunet-consensus-profiler.c
+++ b/src/consensus/gnunet-consensus-profiler.c
@@ -55,6 +55,8 @@ static struct GNUNET_HashCode session_id;
 
 static unsigned int peers_done = 0;
 
+static int dist_static;
+
 static unsigned *results_for_peer;
 
 /**
@@ -217,26 +219,45 @@ do_consensus ()
 {
   int unique_indices[replication];
   unsigned int i;
+  unsigned int j;
+  struct GNUNET_HashCode val;
+  struct GNUNET_SET_Element element;
 
-  for (i = 0; i < num_values; i++)
+  if (dist_static)
   {
-    unsigned int j;
-    struct GNUNET_HashCode val;
-    struct GNUNET_SET_Element element;
+    for (i = 0; i < num_values; i++)
+    {
 
-    generate_indices (unique_indices);
-    GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_WEAK, &val);
+      GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_WEAK, &val);
 
-    element.data = &val;
-    element.size = sizeof (val);
-    for (j = 0; j < replication; j++)
+      element.data = &val;
+      element.size = sizeof (val);
+      for (j = 0; j < replication; j++)
+      {
+        GNUNET_CONSENSUS_insert (consensus_handles[j],
+                                 &element,
+                                 NULL, NULL);
+      }
+    }
+  }
+  else
+  {
+    for (i = 0; i < num_values; i++)
     {
-      int cid;
+      generate_indices (unique_indices);
+      GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_WEAK, &val);
 
-      cid = unique_indices[j];
-      GNUNET_CONSENSUS_insert (consensus_handles[cid],
-                               &element,
-                               NULL, NULL);
+      element.data = &val;
+      element.size = sizeof (val);
+      for (j = 0; j < replication; j++)
+      {
+        int cid;
+
+        cid = unique_indices[j];
+        GNUNET_CONSENSUS_insert (consensus_handles[cid],
+                                 &element,
+                                 NULL, NULL);
+      }
     }
   }
 
@@ -513,6 +534,9 @@ main (int argc, char **argv)
       { 's', "statistics", NULL,
         gettext_noop ("write statistics to file"),
         GNUNET_YES, &GNUNET_GETOPT_set_filename, &statistics_filename },
+      { 'S', "dist-static", NULL,
+        gettext_noop ("distribute elements to a static subset of good peers"),
+        GNUNET_YES, &GNUNET_GETOPT_set_one, &dist_static },
       { 'V', "verbose", NULL,
         gettext_noop ("be more verbose (print received values)"),
         GNUNET_NO, &GNUNET_GETOPT_set_one, &verbose },
diff --git a/src/consensus/gnunet-service-consensus.c b/src/consensus/gnunet-service-consensus.c
index 6662ae8ca..b934f468f 100644
--- a/src/consensus/gnunet-service-consensus.c
+++ b/src/consensus/gnunet-service-consensus.c
@@ -1153,6 +1153,7 @@ enum EvilnessType
   EVILNESS_CRAM_LEAD,
   EVILNESS_CRAM_ECHO,
   EVILNESS_SLACK,
+  EVILNESS_SLACK_A2A,
 };
 
 enum EvilnessSubType
@@ -1245,6 +1246,10 @@ get_evilness (struct ConsensusSession *session, struct Evilness *evil)
       {
         evil->type = EVILNESS_SLACK;
       }
+      if (0 == strcmp ("slack-a2a", evil_type_str))
+      {
+        evil->type = EVILNESS_SLACK_A2A;
+      }
       else if (0 == strcmp ("cram-all", evil_type_str))
       {
         evil->type = EVILNESS_CRAM_ALL;
@@ -1417,6 +1422,19 @@ commit_set (struct ConsensusSession *session,
                     "P%u: evil peer: slacking\n",
                     (unsigned int) session->local_peer_idx);
         /* Do nothing. */
+      case EVILNESS_SLACK_A2A:
+        if ( (PHASE_KIND_ALL_TO_ALL_2 == task->key.kind ) ||
+             (PHASE_KIND_ALL_TO_ALL == task->key.kind) )
+        {
+          struct GNUNET_SET_Handle *empty_set;
+          empty_set = GNUNET_SET_create (cfg, GNUNET_SET_OPERATION_UNION);
+          GNUNET_SET_commit (setop->op, empty_set);
+          GNUNET_SET_destroy (empty_set);
+        }
+        else
+        {
+          GNUNET_SET_commit (setop->op, set->h);
+        }
         break;
       case EVILNESS_NONE:
         GNUNET_SET_commit (setop->op, set->h);
-- 
cgit v1.2.3