- rename gnunet-consensus to gnunet-consensus-profiler

---This line, and those below, will be ignored--

D    consensus/gnunet-consensus.c
A  + consensus/gnunet-consensus-profiler.c
M    consensus/Makefile.am

1 files changed, 400 insertions, 0 deletions

diff --git a/src/consensus/gnunet-consensus-profiler.c b/src/consensus/gnunet-consensus-profiler.c
new file mode 100644
index 000000000..42040527f
--- /dev/null
+++ b/src/consensus/gnunet-consensus-profiler.c
@@ -0,0 +1,400 @@
+/*
+      This file is part of GNUnet
+      (C) 2012 Christian Grothoff (and other contributing authors)
+
+      GNUnet is free software; you can redistribute it and/or modify
+      it under the terms of the GNU General Public License as published
+      by the Free Software Foundation; either version 2, or (at your
+      option) any later version.
+
+      GNUnet is distributed in the hope that it will be useful, but
+      WITHOUT ANY WARRANTY; without even the implied warranty of
+      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+      General Public License for more details.
+
+      You should have received a copy of the GNU General Public License
+      along with GNUnet; see the file COPYING.  If not, write to the
+      Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+      Boston, MA 02111-1307, USA.
+ */
+
+/**
+ * @file consensus/gnunet-consensus.c
+ * @brief profiling tool for gnunet-consensus
+ * @author Florian Dold
+ */
+#include "platform.h"
+#include "gnunet_common.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_consensus_service.h"
+#include "gnunet_testbed_service.h"
+
+static unsigned int num_peers = 2;
+
+static unsigned int replication = 1;
+
+static unsigned int num_values = 5;
+
+static struct GNUNET_TIME_Relative conclude_timeout;
+
+static struct GNUNET_CONSENSUS_Handle **consensus_handles;
+
+static struct GNUNET_TESTBED_Operation **testbed_operations;
+
+static unsigned int num_connected_handles;
+
+static struct GNUNET_TESTBED_Peer **peers;
+
+static struct GNUNET_PeerIdentity *peer_ids;
+
+static unsigned int num_retrieved_peer_ids;
+
+static struct GNUNET_HashCode session_id;
+
+static unsigned int peers_done = 0;
+
+static unsigned *results_for_peer;
+
+
+/**
+ * Signature of the event handler function called by the
+ * respective event controller.
+ *
+ * @param cls closure
+ * @param event information about the event
+ */
+static void
+controller_cb(void *cls,
+              const struct GNUNET_TESTBED_EventInformation *event)
+{
+  GNUNET_assert (0);
+}
+
+static void
+destroy (void *cls, const struct GNUNET_SCHEDULER_TaskContext *ctx)
+{
+  struct GNUNET_CONSENSUS_Handle *consensus;
+  consensus = cls;
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "destroying consensus\n");
+  GNUNET_CONSENSUS_destroy (consensus);
+  peers_done++;
+  if (peers_done == num_peers)
+  {
+    unsigned int i;
+    for (i = 0; i < num_peers; i++)
+      GNUNET_TESTBED_operation_done (testbed_operations[i]);
+    for (i = 0; i < num_peers; i++)
+      printf ("P%u got %u of %u elements\n", i, results_for_peer[i], num_values);
+    GNUNET_SCHEDULER_shutdown ();
+  }
+}
+
+
+/**
+ * Called when a conclusion was successful.
+ *
+ * @param cls closure, the consensus handle
+ * @return GNUNET_YES if more consensus groups should be offered, GNUNET_NO if not
+ */
+static void
+conclude_cb (void *cls)
+{
+  struct GNUNET_CONSENSUS_Handle **chp = cls;
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "consensus %d done\n", chp - consensus_handles);
+  GNUNET_SCHEDULER_add_now (destroy, *chp);
+}
+
+
+static void
+generate_indices (int *indices)
+{
+  int j;
+  j = 0;
+  while (j < replication)
+  {
+    int n;
+    int k;
+    int repeat;
+    n = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, num_peers);
+    repeat = GNUNET_NO;
+    for (k = 0; k < j; k++)
+      if (indices[k] == n)
+      {
+        repeat = GNUNET_YES;
+        break;
+      }
+    if (GNUNET_NO == repeat)
+      indices[j++] = n;
+  }
+}
+
+
+static void
+do_consensus ()
+{
+  int unique_indices[replication];
+  int i;
+
+  for (i = 0; i < num_values; i++)
+  {
+    int j;
+    struct GNUNET_HashCode *val;
+    struct GNUNET_SET_Element *element;
+    generate_indices(unique_indices);
+
+    val = GNUNET_malloc (sizeof *val);
+    GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_WEAK, val);
+
+    element = GNUNET_malloc (sizeof *element);
+    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);
+    }
+  }
+
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "all elements inserted, calling conclude\n");
+
+  for (i = 0; i < num_peers; i++)
+    GNUNET_CONSENSUS_conclude (consensus_handles[i], conclude_timeout, conclude_cb, &consensus_handles[i]);
+}
+
+
+/**
+ * Callback to be called when a service connect operation is completed
+ *
+ * @param cls the callback closure from functions generating an operation
+ * @param op the operation that has been finished
+ * @param ca_result the service handle returned from GNUNET_TESTBED_ConnectAdapter()
+ * @param emsg error message in case the operation has failed; will be NULL if
+ *          operation has executed successfully.
+ */
+static void
+connect_complete (void *cls,
+                  struct GNUNET_TESTBED_Operation *op,
+                  void *ca_result,
+                  const char *emsg)
+{
+
+  if (NULL != emsg)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "testbed connect emsg: %s\n", emsg);
+    GNUNET_assert (0);
+  }
+
+  num_connected_handles++;
+
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "connect complete\n");
+
+  if (num_connected_handles == num_peers)
+  {
+    do_consensus ();
+  }
+}
+
+
+static void
+new_element_cb (void *cls,
+                const struct GNUNET_SET_Element *element)
+{
+  struct GNUNET_CONSENSUS_Handle **chp = cls;
+
+  GNUNET_assert (NULL != cls);
+  
+  results_for_peer[chp - consensus_handles]++;
+}
+
+
+/**
+ * Adapter function called to establish a connection to
+ * a service.
+ *
+ * @param cls closure
+ * @param cfg configuration of the peer to connect to; will be available until
+ *          GNUNET_TESTBED_operation_done() is called on the operation returned
+ *          from GNUNET_TESTBED_service_connect()
+ * @return service handle to return in 'op_result', NULL on error
+ */
+static void *
+connect_adapter (void *cls,
+                 const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+  struct GNUNET_CONSENSUS_Handle **chp = cls;
+  struct GNUNET_CONSENSUS_Handle *consensus;
+  chp = (struct GNUNET_CONSENSUS_Handle **) cls;
+
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "connect adapter, %d peers\n", num_peers);
+  consensus = GNUNET_CONSENSUS_create (cfg, num_peers, peer_ids, &session_id, new_element_cb, chp);
+  *chp = (struct GNUNET_CONSENSUS_Handle *) consensus;
+  return consensus;
+}
+
+
+/**
+ * Adapter function called to destroy a connection to
+ * a service.
+ *
+ * @param cls closure
+ * @param op_result service handle returned from the connect adapter
+ */
+static void
+disconnect_adapter(void *cls, void *op_result)
+{
+  /* FIXME: what to do here? */
+}
+
+
+/**
+ * Callback to be called when the requested peer information is available
+ *
+ * @param cb_cls the closure from GNUNET_TETSBED_peer_get_information()
+ * @param op the operation this callback corresponds to
+ * @param pinfo the result; will be NULL if the operation has failed
+ * @param emsg error message if the operation has failed; will be NULL if the
+ *          operation is successfull
+ */
+static void
+peer_info_cb (void *cb_cls,
+              struct GNUNET_TESTBED_Operation *op,
+              const struct GNUNET_TESTBED_PeerInformation *pinfo,
+              const char *emsg)
+{
+  struct GNUNET_PeerIdentity *p;
+  int i;
+
+  GNUNET_assert (NULL == emsg);
+
+  p = (struct GNUNET_PeerIdentity *) cb_cls;
+
+  if (pinfo->pit == GNUNET_TESTBED_PIT_IDENTITY)
+  {
+    *p = *pinfo->result.id;
+    num_retrieved_peer_ids++;
+    if (num_retrieved_peer_ids == num_peers)
+      for (i = 0; i < num_peers; i++)
+        testbed_operations[i] =
+            GNUNET_TESTBED_service_connect (NULL, peers[i], "consensus", connect_complete, NULL,
+                                            connect_adapter, disconnect_adapter, &consensus_handles[i]);
+  }
+  else
+  {
+    GNUNET_assert (0);
+  }
+
+  GNUNET_TESTBED_operation_done (op);
+}
+
+
+/**
+ * Signature of a main function for a testcase.
+ *
+ * @param cls closure
+ * @param num_peers number of peers in 'peers'
+ * @param started_peers handle to peers run in the testbed.  NULL upon timeout (see
+ *          GNUNET_TESTBED_test_run()).
+ * @param links_succeeded the number of overlay link connection attempts that
+ *          succeeded
+ * @param links_failed the number of overlay link connection attempts that
+ *          failed
+ */
+static void
+test_master (void *cls,
+             unsigned int num_peers,
+             struct GNUNET_TESTBED_Peer **started_peers,
+             unsigned int links_succeeded,
+             unsigned int links_failed)
+{
+  int i;
+
+  GNUNET_log_setup ("gnunet-consensus", "INFO", NULL);
+
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "test master\n");
+
+  peers = started_peers;
+
+  peer_ids = GNUNET_malloc (num_peers * sizeof (struct GNUNET_PeerIdentity));
+
+  results_for_peer = GNUNET_malloc (num_peers * sizeof (unsigned int));
+  consensus_handles = GNUNET_malloc (num_peers * sizeof (struct ConsensusHandle *));
+  testbed_operations = GNUNET_malloc (num_peers * sizeof (struct ConsensusHandle *));
+
+  for (i = 0; i < num_peers; i++)
+    GNUNET_TESTBED_peer_get_information (peers[i],
+                                         GNUNET_TESTBED_PIT_IDENTITY,
+                                         peer_info_cb,
+                                         &peer_ids[i]);
+}
+
+static void
+run (void *cls, char *const *args, const char *cfgfile,
+     const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+  static char *session_str = "gnunet-consensus/test";
+  char *topology;
+
+  if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (cfg, "testbed", "OVERLAY_TOPOLOGY", &topology))
+  {
+    fprintf (stderr, "'OVERLAY_TOPOLOGY' not found in 'testbed' config section, "
+                     "seems like you passed the wrong configuration file\n");
+    return;
+  }
+
+  if (0 == strcasecmp (topology, "NONE"))
+  {
+    fprintf (stderr, "'OVERLAY_TOPOLOGY' set to 'NONE', "
+                     "seems like you passed the wrong configuration file\n");
+    return;
+  }
+
+  GNUNET_free (topology);
+
+  if (num_peers < replication)
+  {
+    fprintf (stderr, "k must be <=n\n");
+    return;
+  }
+
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "running gnunet-consensus\n");
+
+  GNUNET_CRYPTO_hash (session_str, strlen(session_str), &session_id);
+
+  (void) GNUNET_TESTBED_test_run ("gnunet-consensus",
+                                  cfgfile,
+                                  num_peers,
+                                  0,
+                                  controller_cb,
+                                  NULL,
+                                  test_master,
+                                  NULL);
+}
+
+
+int
+main (int argc, char **argv)
+{
+   static const struct GNUNET_GETOPT_CommandLineOption options[] = {
+      { 'n', "num-peers", NULL,
+        gettext_noop ("number of peers in consensus"),
+        GNUNET_YES, &GNUNET_GETOPT_set_uint, &num_peers },
+      { 'k', "value-replication", NULL,
+        gettext_noop ("how many peers receive one value?"),
+        GNUNET_YES, &GNUNET_GETOPT_set_uint, &replication },
+      { 'x', "num-values", NULL,
+        gettext_noop ("number of values"),
+        GNUNET_YES, &GNUNET_GETOPT_set_uint, &num_values },
+      { 't', "timeout", NULL,
+        gettext_noop ("consensus timeout"),
+        GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &conclude_timeout },
+      GNUNET_GETOPT_OPTION_END
+  };
+  conclude_timeout = GNUNET_TIME_UNIT_SECONDS;
+  GNUNET_PROGRAM_run2 (argc, argv, "gnunet-consensus",
+                      "help",
+                      options, &run, NULL, GNUNET_YES);
+  return 0;
+}
+