global reindent, now with uncrustify hook enabled
[oweals/gnunet.git] / src / regex / gnunet-regex-profiler.c
index b5f27def40cc58ac14a6f232aac90ca41360a792..16b7a7f0eed7784f23ec42a9c03c32e2c2b815e7 100644 (file)
@@ -1,22 +1,22 @@
 /*
      This file is part of GNUnet.
-     (C) 2011 - 2013 Christian Grothoff (and other contributing authors)
+     Copyright (C) 2011 - 2017 GNUnet e.V.
 
-     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 3, or (at your
-     option) any later version.
+     GNUnet is free software: you can redistribute it and/or modify it
+     under the terms of the GNU Affero General Public License as published
+     by the Free Software Foundation, either version 3 of the License,
+     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.
+     Affero 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.
-*/
+     You should have received a copy of the GNU Affero General Public License
+     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+     SPDX-License-Identifier: AGPL3.0-or-later
+ */
 
 /**
  * @file regex/gnunet-regex-profiler.c
 #include "platform.h"
 #include "gnunet_applications.h"
 #include "gnunet_util_lib.h"
-#include "gnunet_regex_lib.h"
+#include "regex_internal_lib.h"
 #include "gnunet_arm_service.h"
 #include "gnunet_dht_service.h"
 #include "gnunet_testbed_service.h"
 
 #define FIND_TIMEOUT \
-        GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 90)
+  GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 90)
 
 /**
  * DLL of operations
@@ -150,7 +150,7 @@ struct RegexPeer
   /**
    * Handle to a running regex search.
    */
-   struct GNUNET_REGEX_search_handle *search_handle;
+  struct REGEX_INTERNAL_Search *search_handle;
 
   /**
    * Testbed operation handle for DHT.
@@ -170,7 +170,7 @@ struct RegexPeer
   /**
    * Operation timeout
    */
-  GNUNET_SCHEDULER_TaskIdentifier timeout;
+  struct GNUNET_SCHEDULER_Task *timeout;
 
   /**
    * Deamon start
@@ -211,17 +211,12 @@ static struct GNUNET_CONFIGURATION_Handle *cfg;
 /**
  * Abort task identifier
  */
-static GNUNET_SCHEDULER_TaskIdentifier abort_task;
-
-/**
- * Shutdown task identifier
- */
-static GNUNET_SCHEDULER_TaskIdentifier shutdown_task;
+static struct GNUNET_SCHEDULER_Task *abort_task;
 
 /**
  * Host registration task identifier
  */
-static GNUNET_SCHEDULER_TaskIdentifier register_hosts_task;
+static struct GNUNET_SCHEDULER_Task *register_hosts_task;
 
 /**
  * Global event mask for all testbed events
@@ -256,7 +251,7 @@ enum State state;
 /**
  * Folder where policy files are stored.
  */
-static char * policy_dir;
+static char *policy_dir;
 
 /**
  * File with hostnames where to execute the test.
@@ -296,7 +291,7 @@ static unsigned int next_search;
 /**
  * Search timeout task identifier.
  */
-static GNUNET_SCHEDULER_TaskIdentifier search_timeout_task;
+static struct GNUNET_SCHEDULER_Task *search_timeout_task;
 
 /**
  * Search timeout in seconds.
@@ -317,7 +312,7 @@ static char *data_filename;
  * Prefix used for regex announcing. We need to prefix the search
  * strings with it, in order to find something.
  */
-static char * regex_prefix;
+static char *regex_prefix;
 
 /**
  * What's the maximum regex reannounce period.
@@ -384,10 +379,9 @@ stats_connect_cb (void *cls,
  * Start announcing the next regex in the DHT.
  *
  * @param cls Index of the next peer in the peers array.
- * @param tc TaskContext.
  */
 static void
-announce_next_regex (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
+announce_next_regex (void *cls);
 
 
 /******************************************************************************/
@@ -399,10 +393,9 @@ announce_next_regex (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
  * Shutdown nicely
  *
  * @param cls NULL
- * @param tc the task context
  */
 static void
-do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+do_shutdown (void *cls)
 {
   struct RegexPeer *peer;
   unsigned int peer_cnt;
@@ -410,22 +403,26 @@ do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
   char output_buffer[512];
   size_t size;
 
-  shutdown_task = GNUNET_SCHEDULER_NO_TASK;
-  if (GNUNET_SCHEDULER_NO_TASK != abort_task)
+  if (NULL != abort_task)
+  {
     GNUNET_SCHEDULER_cancel (abort_task);
-  if (GNUNET_SCHEDULER_NO_TASK != register_hosts_task)
+    abort_task = NULL;
+  }
+  if (NULL != register_hosts_task)
+  {
     GNUNET_SCHEDULER_cancel (register_hosts_task);
-
+    register_hosts_task = NULL;
+  }
   for (peer_cnt = 0; peer_cnt < num_peers; peer_cnt++)
   {
     peer = &peers[peer_cnt];
 
-    if (GNUNET_YES != peer->search_str_matched && NULL != data_file)
+    if ((GNUNET_YES != peer->search_str_matched) &&(NULL != data_file) )
     {
       prof_time = GNUNET_TIME_absolute_get_duration (peer->prof_start_time);
       size =
         GNUNET_snprintf (output_buffer,
-                         sizeof (output_buffer),
+                         sizeof(output_buffer),
                          "%p Search string not found: %s (%d)\n"
                          "%p On peer: %u (%p)\n"
                          "%p After: %s\n",
@@ -443,8 +440,10 @@ do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
   }
 
   if (NULL != data_file)
+  {
     GNUNET_DISK_file_close (data_file);
-
+    data_file = NULL;
+  }
   for (search_str_cnt = 0;
        search_str_cnt < num_peers && NULL != search_strings;
        search_str_cnt++)
@@ -452,18 +451,28 @@ do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
     GNUNET_free_non_null (search_strings[search_str_cnt]);
   }
   GNUNET_free_non_null (search_strings);
+  search_strings = NULL;
 
   if (NULL != reg_handle)
+  {
     GNUNET_TESTBED_cancel_registration (reg_handle);
-
+    reg_handle = NULL;
+  }
   if (NULL != mc)
+  {
     GNUNET_TESTBED_controller_disconnect (mc);
+    mc = NULL;
+  }
   if (NULL != mc_proc)
+  {
     GNUNET_TESTBED_controller_stop (mc_proc);
+    mc_proc = NULL;
+  }
   if (NULL != cfg)
+  {
     GNUNET_CONFIGURATION_destroy (cfg);
-
-  GNUNET_SCHEDULER_shutdown (); /* Stop scheduler to shutdown testbed run */
+    cfg = NULL;
+  }
 }
 
 
@@ -471,19 +480,17 @@ do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  * abort task to run on test timed out
  *
  * @param cls NULL
- * @param tc the task context
  */
 static void
-do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+do_abort (void *cls)
 {
   unsigned long i = (unsigned long) cls;
 
-  GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Aborting from line %lu...\n", i);
-  abort_task = GNUNET_SCHEDULER_NO_TASK;
+  GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+              "Aborting from line %lu...\n", i);
+  abort_task = NULL;
   result = GNUNET_SYSERR;
-  if (GNUNET_SCHEDULER_NO_TASK != shutdown_task)
-    GNUNET_SCHEDULER_cancel (shutdown_task);
-  shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+  GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
 }
 
 
@@ -502,7 +509,8 @@ do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  * @return service handle to return in 'op_result', NULL on error
  */
 static void *
-stats_ca (void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
+stats_ca (void *cls,
+          const struct GNUNET_CONFIGURATION_Handle *cfg)
 {
   return GNUNET_STATISTICS_create ("<driver>", cfg);
 }
@@ -535,10 +543,12 @@ stats_da (void *cls, void *op_result)
  * @param name the name of the datum
  * @param value the current value
  * @param is_persistent GNUNET_YES if the value is persistent, GNUNET_NO if not
- * @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration
+ * @return #GNUNET_OK to continue, #GNUNET_SYSERR to abort iteration
  */
 static int
-stats_iterator (void *cls, const char *subsystem, const char *name,
+stats_iterator (void *cls,
+                const char *subsystem,
+                const char *name,
                 uint64_t value, int is_persistent)
 {
   struct RegexPeer *peer = cls;
@@ -549,17 +559,21 @@ stats_iterator (void *cls, const char *subsystem, const char *name,
   {
     GNUNET_log (GNUNET_ERROR_TYPE_INFO,
                 "%p -> %s [%s]: %llu\n",
-                peer, subsystem, name, value);
+                peer,
+                subsystem,
+                name,
+                (unsigned long long) value);
     return GNUNET_OK;
   }
   size =
     GNUNET_snprintf (output_buffer,
-                     sizeof (output_buffer),
+                     sizeof(output_buffer),
                      "%p [%s] %llu %s\n",
                      peer,
                      subsystem, value, name);
   if (size != GNUNET_DISK_file_write (data_file, output_buffer, size))
-    GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Unable to write to file!\n");
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "Unable to write to file!\n");
 
   return GNUNET_OK;
 }
@@ -596,10 +610,13 @@ stats_cb (void *cls,
   peer_cnt++;
   peer = &peers[peer_cnt];
 
+  fprintf (stderr, "s");
   if (peer_cnt == num_peers)
   {
-    struct GNUNET_TIME_Relative delay = { 100 };
-    shutdown_task = GNUNET_SCHEDULER_add_delayed (delay, &do_shutdown, NULL);
+    GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+                "\nCollecting stats finished. Shutting down.\n");
+    GNUNET_SCHEDULER_shutdown ();
+    result = GNUNET_OK;
   }
   else
   {
@@ -633,7 +650,7 @@ stats_connect_cb (void *cls,
 {
   struct RegexPeer *peer = cls;
 
-  if (NULL == ca_result || NULL != emsg)
+  if ((NULL == ca_result)||(NULL != emsg))
   {
     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                 "Failed to connect to statistics service on peer %u: %s\n",
@@ -646,7 +663,6 @@ stats_connect_cb (void *cls,
   peer->stats_handle = ca_result;
 
   if (NULL == GNUNET_STATISTICS_get (peer->stats_handle, NULL, NULL,
-                                     GNUNET_TIME_UNIT_FOREVER_REL,
                                      &stats_cb,
                                      &stats_iterator, peer))
   {
@@ -661,10 +677,9 @@ stats_connect_cb (void *cls,
  * profiler, when done.
  *
  * @param cls NULL
- * @param tc the task context
  */
 static void
-do_collect_stats (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+do_collect_stats (void *cls)
 {
   struct RegexPeer *peer = &peers[0];
 
@@ -691,17 +706,16 @@ do_collect_stats (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  * Start searching for the next string in the DHT.
  *
  * @param cls Index of the next peer in the peers array.
- * @param tc TaskContext.
  */
 static void
-find_string (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
+find_string (void *cls);
 
 
 /**
  * Method called when we've found a peer that announced a regex
  * that matches our search string. Now get the statistics.
  *
- * @param cls Closure provided in GNUNET_REGEX_search.
+ * @param cls Closure provided in REGEX_INTERNAL_search.
  * @param id Peer providing a regex that matches the string.
  * @param get_path Path of the get request.
  * @param get_path_length Lenght of get_path.
@@ -722,7 +736,7 @@ regex_found_handler (void *cls,
 
   if (GNUNET_YES == peer->search_str_matched)
   {
-    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, 
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                 "String %s on peer %u already matched!\n",
                 peer->search_str, peer->id);
     return;
@@ -731,10 +745,10 @@ regex_found_handler (void *cls,
   strings_found++;
   parallel_searches--;
 
-  if (GNUNET_SCHEDULER_NO_TASK != peer->timeout)
+  if (NULL != peer->timeout)
   {
     GNUNET_SCHEDULER_cancel (peer->timeout);
-    peer->timeout = GNUNET_SCHEDULER_NO_TASK;
+    peer->timeout = NULL;
     if (GNUNET_NO == in_shutdown)
       GNUNET_SCHEDULER_add_now (&announce_next_regex, NULL);
   }
@@ -763,7 +777,7 @@ regex_found_handler (void *cls,
     {
       size =
         GNUNET_snprintf (output_buffer,
-                         sizeof (output_buffer),
+                         sizeof(output_buffer),
                          "%p Peer: %u\n"
                          "%p Search string: %s\n"
                          "%p Search duration: %s\n\n",
@@ -788,13 +802,13 @@ regex_found_handler (void *cls,
                 "All strings successfully matched in %s\n",
                 GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
 
-    if (GNUNET_SCHEDULER_NO_TASK != search_timeout_task)
+    if (NULL != search_timeout_task)
     {
       GNUNET_SCHEDULER_cancel (search_timeout_task);
-      search_timeout_task = GNUNET_SCHEDULER_NO_TASK;
+      search_timeout_task = NULL;
     }
 
-    GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Collecting stats and shutting down.\n");
+    GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Collecting stats.\n");
     GNUNET_SCHEDULER_add_now (&do_collect_stats, NULL);
   }
 }
@@ -805,10 +819,9 @@ regex_found_handler (void *cls,
  * specified timeout 'search_timeout'.
  *
  * @param cls NULL
- * @param tc the task context
  */
 static void
-search_timed_out (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
+search_timed_out (void *cls)
 {
   unsigned int i;
 
@@ -821,7 +834,7 @@ search_timed_out (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
 
   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
               "Search timed out after %s."
-              "Collecting stats and shutting down.\n", 
+              "Collecting stats and shutting down.\n",
               GNUNET_STRINGS_relative_time_to_string (search_timeout_time,
                                                       GNUNET_NO));
 
@@ -843,17 +856,13 @@ search_timed_out (void *cls, const struct GNUNET_SCHEDULER_TaskContext * tc)
  * but we should start another one.
  *
  * @param cls Index of the next peer in the peers array.
- * @param tc TaskContext.
  */
 static void
-find_timed_out (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+find_timed_out (void *cls)
 {
   struct RegexPeer *p = cls;
 
-  p->timeout = GNUNET_SCHEDULER_NO_TASK;
-
-  if ((tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
-    return;
+  p->timeout = NULL;
   GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
               "Searching for string \"%s\" on peer %d timed out.\n",
               p->search_str,
@@ -867,16 +876,14 @@ find_timed_out (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  * Start searching for a string in the DHT.
  *
  * @param cls Index of the next peer in the peers array.
- * @param tc TaskContext.
  */
 static void
-find_string (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+find_string (void *cls)
 {
   unsigned int search_peer = (unsigned int) (long) cls;
 
-  if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) ||
-      search_peer >= num_peers ||
-      GNUNET_YES == in_shutdown)
+  if ((search_peer >= num_peers) ||
+      (GNUNET_YES == in_shutdown))
     return;
 
   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
@@ -895,14 +902,13 @@ find_string (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
                                     &dht_da,
                                     &peers[search_peer]);
   GNUNET_assert (NULL != peers[search_peer].op_handle);
-  peers[search_peer].timeout = GNUNET_SCHEDULER_add_delayed (FIND_TIMEOUT,
-                                                          &find_timed_out,
-                                                          &peers[search_peer]);
+  peers[search_peer].timeout
+    = GNUNET_SCHEDULER_add_delayed (FIND_TIMEOUT,
+                                    &find_timed_out,
+                                    &peers[search_peer]);
 }
 
 
-
-
 /**
  * Callback called when testbed has started the daemon we asked for.
  *
@@ -911,7 +917,8 @@ find_string (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  * @param emsg NULL on success; otherwise an error description
  */
 static void
-daemon_started (void *cls, struct GNUNET_TESTBED_Operation *op,
+daemon_started (void *cls,
+                struct GNUNET_TESTBED_Operation *op,
                 const char *emsg)
 {
   struct RegexPeer *peer = (struct RegexPeer *) cls;
@@ -924,7 +931,12 @@ daemon_started (void *cls, struct GNUNET_TESTBED_Operation *op,
   {
     GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
                 "Failed to start/stop daemon at peer %u: %s\n", peer->id, emsg);
-    GNUNET_abort ();
+    GNUNET_assert (0);
+  }
+  else
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+                "Deamon %u started successfully\n", peer->id);
   }
 
   /* Find a peer to look for a string matching the regex announced */
@@ -934,11 +946,11 @@ daemon_started (void *cls, struct GNUNET_TESTBED_Operation *op,
   {
     search_peer = (search_peer + 1) % num_peers;
     if (i > num_peers)
-      GNUNET_abort (); /* we ran out of peers, must be a bug */
+      GNUNET_assert (0);  /* we ran out of peers, must be a bug */
   }
   peers[search_peer].search_str = search_strings[peer->id];
   peers[search_peer].search_str_matched = GNUNET_NO;
-  GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply(
+  GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_saturating_multiply (
                                   reannounce_period_max,
                                   2),
                                 &find_string,
@@ -954,12 +966,14 @@ daemon_started (void *cls, struct GNUNET_TESTBED_Operation *op,
  * @param tc the task context
  */
 static void
-do_announce (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+do_announce (void *cls)
 {
   unsigned int i;
 
-  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Starting announce.\n");
-
+  if (GNUNET_YES == in_shutdown)
+    return;
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+              "Starting announce.\n");
   for (i = 0; i < init_parallel_searches; i++)
   {
     GNUNET_log (GNUNET_ERROR_TYPE_INFO,
@@ -974,22 +988,23 @@ do_announce (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  * Start announcing the next regex in the DHT.
  *
  * @param cls Closure (unused).
- * @param tc TaskContext.
  */
 static void
-announce_next_regex (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+announce_next_regex (void *cls)
 {
   struct RegexPeer *peer;
 
-  if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
+  if (GNUNET_YES == in_shutdown)
     return;
   if (next_search >= num_peers)
   {
     if (strings_found != num_peers)
     {
-      if (GNUNET_SCHEDULER_NO_TASK != search_timeout_task)
+      struct GNUNET_TIME_Relative new_delay;
+      if (NULL != search_timeout_task)
         GNUNET_SCHEDULER_cancel (search_timeout_task);
-      search_timeout_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_HOURS,
+      new_delay = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 15);
+      search_timeout_task = GNUNET_SCHEDULER_add_delayed (new_delay,
                                                           &search_timed_out,
                                                           NULL);
     }
@@ -998,17 +1013,18 @@ announce_next_regex (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 
   GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Starting daemon %u\n", next_search);
   peer = &peers[next_search];
-  peer->daemon_op = 
-  GNUNET_TESTBED_peer_manage_service (NULL,
-                                      peer->peer_handle,
-                                      "regexprofiler",
-                                      &daemon_started,
-                                      peer,
-                                      1);
+  peer->daemon_op =
+    GNUNET_TESTBED_peer_manage_service (NULL,
+                                        peer->peer_handle,
+                                        "regexprofiler",
+                                        &daemon_started,
+                                        peer,
+                                        1);
   next_search++;
   parallel_searches++;
 }
 
+
 /**
  * DHT connect callback. Called when we are connected to the dht service for
  * the peer in 'cls'. If successfull we connect to the stats service of this
@@ -1020,15 +1036,17 @@ announce_next_regex (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
  * @param emsg error message.
  */
 static void
-dht_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
-                void *ca_result, const char *emsg)
+dht_connect_cb (void *cls,
+                struct GNUNET_TESTBED_Operation *op,
+                void *ca_result,
+                const char *emsg)
 {
   struct RegexPeer *peer = (struct RegexPeer *) cls;
 
-  if (NULL != emsg || NULL == op || NULL == ca_result)
+  if ((NULL != emsg)||(NULL == op)||(NULL == ca_result))
   {
     GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "DHT connect failed: %s\n", emsg);
-    GNUNET_abort ();
+    GNUNET_assert (0);
   }
 
   GNUNET_assert (NULL != peer->dht_handle);
@@ -1036,10 +1054,10 @@ dht_connect_cb (void *cls, struct GNUNET_TESTBED_Operation *op,
   GNUNET_assert (peer->dht_handle == ca_result);
 
   peer->search_str_matched = GNUNET_NO;
-  peer->search_handle = GNUNET_REGEX_search (peer->dht_handle,
-                                             peer->search_str,
-                                             &regex_found_handler, peer,
-                                             NULL);
+  peer->search_handle = REGEX_INTERNAL_search (peer->dht_handle,
+                                               peer->search_str,
+                                               &regex_found_handler, peer,
+                                               NULL);
   peer->prof_start_time = GNUNET_TIME_absolute_get ();
 }
 
@@ -1078,7 +1096,7 @@ dht_da (void *cls, void *op_result)
 
   if (NULL != peer->search_handle)
   {
-    GNUNET_REGEX_search_cancel (peer->search_handle);
+    REGEX_INTERNAL_search_cancel (peer->search_handle);
     peer->search_handle = NULL;
   }
 
@@ -1094,16 +1112,18 @@ dht_da (void *cls, void *op_result)
  * Signature of a main function for a testcase.
  *
  * @param cls NULL
+ * @param h the run handle
  * @param num_peers_ number of peers in 'peers'
- * @param peers handle to peers run in the testbed.  NULL upon timeout (see
+ * @param testbed_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 
+static void
 test_master (void *cls,
+             struct GNUNET_TESTBED_RunHandle *h,
              unsigned int num_peers_,
              struct GNUNET_TESTBED_Peer **testbed_peers,
              unsigned int links_succeeded,
@@ -1118,10 +1138,10 @@ test_master (void *cls,
               "Testbed started in %s\n",
               GNUNET_STRINGS_relative_time_to_string (prof_time, GNUNET_NO));
 
-  if (GNUNET_SCHEDULER_NO_TASK != abort_task)
+  if (NULL != abort_task)
   {
     GNUNET_SCHEDULER_cancel (abort_task);
-    abort_task = GNUNET_SCHEDULER_NO_TASK;
+    abort_task = NULL;
   }
 
   for (i = 0; i < num_peers; i++)
@@ -1136,9 +1156,10 @@ test_master (void *cls,
     settle_time =
       GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
                                      10 * num_peers);
-    GNUNET_log (GNUNET_ERROR_TYPE_INFO, 
+    GNUNET_log (GNUNET_ERROR_TYPE_INFO,
                 "Waiting for DHT for %s to settle new connections.\n\n",
-                GNUNET_STRINGS_relative_time_to_string(settle_time, GNUNET_NO));
+                GNUNET_STRINGS_relative_time_to_string (settle_time,
+                                                        GNUNET_NO));
     GNUNET_SCHEDULER_add_delayed (settle_time, &do_announce, NULL);
   }
   else
@@ -1146,7 +1167,7 @@ test_master (void *cls,
     GNUNET_SCHEDULER_add_now (&do_announce, NULL);
   }
   search_timeout_task =
-      GNUNET_SCHEDULER_add_delayed (search_timeout_time, &search_timed_out, NULL);
+    GNUNET_SCHEDULER_add_delayed (search_timeout_time, &search_timed_out, NULL);
 }
 
 /**
@@ -1156,21 +1177,23 @@ test_master (void *cls,
  * @param event information on what is happening
  */
 static void
-master_controller_cb (void *cls, 
+master_controller_cb (void *cls,
                       const struct GNUNET_TESTBED_EventInformation *event)
 {
   switch (event->type)
   {
   case GNUNET_TESTBED_ET_CONNECT:
-    printf(".");
+    printf (".");
     break;
+
   case GNUNET_TESTBED_ET_PEER_START:
-    printf("#");
+    printf ("#");
     break;
+
   default:
     break;
   }
-  fflush(stdout);
+  fflush (stdout);
 }
 
 
@@ -1178,6 +1201,94 @@ master_controller_cb (void *cls,
 /***************************  TESTBED PEER SETUP  *****************************/
 /******************************************************************************/
 
+/**
+ * Process the text buffer counting the non-empty lines and separating them
+ * with NULL characters, for later ease of copy using (as)printf.
+ *
+ * @param data Memory buffer with strings.
+ * @param data_size Size of the @a data buffer in bytes.
+ * @param str_max Maximum number of strings to return.
+ * @return Positive number of lines found in the buffer,
+ *         #GNUNET_SYSERR otherwise.
+ */
+static int
+count_and_separate_strings (char *data,
+                            uint64_t data_size,
+                            unsigned int str_max)
+{
+  char *buf;            // Keep track of last string to skip blank lines
+  unsigned int offset;
+  unsigned int str_cnt;
+
+  buf = data;
+  offset = 0;
+  str_cnt = 0;
+  while ((offset < (data_size - 1)) && (str_cnt < str_max))
+  {
+    offset++;
+    if (((data[offset] == '\n')) &&
+        (buf != &data[offset]))
+    {
+      data[offset] = '\0';
+      str_cnt++;
+      buf = &data[offset + 1];
+    }
+    else if ((data[offset] == '\n') ||
+             (data[offset] == '\0'))
+      buf = &data[offset + 1];
+  }
+  return str_cnt;
+}
+
+
+/**
+ * Allocate a string array and fill it with the prefixed strings
+ * from a pre-processed, NULL-separated memory region.
+ *
+ * @param data Preprocessed memory with strings
+ * @param data_size Size of the @a data buffer in bytes.
+ * @param strings Address of the string array to be created.
+ *                Must be freed by caller if function end in success.
+ * @param str_cnt String count. The @a data buffer should contain
+ *                at least this many NULL-separated strings.
+ * @return #GNUNET_OK in ase of success, #GNUNET_SYSERR otherwise.
+ *         In case of error @a strings must not be freed.
+ */
+static int
+create_string_array (char *data, uint64_t data_size,
+                     char ***strings, unsigned int str_cnt)
+{
+  uint64_t offset;
+  uint64_t len;
+  unsigned int i;
+
+  *strings = GNUNET_malloc (sizeof(char *) * str_cnt);
+  offset = 0;
+  for (i = 0; i < str_cnt; i++)
+  {
+    len = strlen (&data[offset]);
+    if (offset + len >= data_size)
+    {
+      GNUNET_free (*strings);
+      *strings = NULL;
+      return GNUNET_SYSERR;
+    }
+    if (0 == len)   // empty line
+    {
+      offset++;
+      i--;
+      continue;
+    }
+
+    GNUNET_asprintf (&(*strings)[i],
+                     "%s%s",
+                     regex_prefix,
+                     &data[offset]);
+    offset += len + 1;
+  }
+  return GNUNET_OK;
+}
+
 
 /**
  * Load search strings from given filename. One search string per line.
@@ -1186,65 +1297,65 @@ master_controller_cb (void *cls,
  * @param strings set of strings loaded from file. Caller needs to free this
  *                if number returned is greater than zero.
  * @param limit upper limit on the number of strings read from the file
- * @return number of strings found in the file. GNUNET_SYSERR on error.
+ * @return number of strings found in the file. #GNUNET_SYSERR on error.
  */
 static int
-load_search_strings (const char *filename, char ***strings, unsigned int limit)
+load_search_strings (const char *filename,
+                     char ***strings,
+                     unsigned int limit)
 {
   char *data;
-  char *buf;
   uint64_t filesize;
-  unsigned int offset;
   int str_cnt;
-  unsigned int i;
 
+  /* Sanity checks */
   if (NULL == filename)
   {
     return GNUNET_SYSERR;
   }
-
   if (GNUNET_YES != GNUNET_DISK_file_test (filename))
   {
     GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
                 "Could not find search strings file %s\n", filename);
     return GNUNET_SYSERR;
   }
-  if (GNUNET_OK != GNUNET_DISK_file_size (filename, &filesize, GNUNET_YES, GNUNET_YES))
-    filesize = 0;
-  if (0 == filesize)
+  if (GNUNET_OK !=
+      GNUNET_DISK_file_size (filename,
+                             &filesize,
+                             GNUNET_YES,
+                             GNUNET_YES))
   {
-    GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Search strings file %s is empty.\n", filename);
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "Search strings file %s cannot be read.\n",
+                filename);
     return GNUNET_SYSERR;
   }
-  data = GNUNET_malloc (filesize);
-  if (filesize != GNUNET_DISK_fn_read (filename, data, filesize))
+  if (0 == filesize)
   {
-    GNUNET_free (data);
-    GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Could not read search strings file %s.\n",
-         filename);
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "Search strings file %s is empty.\n",
+                filename);
     return GNUNET_SYSERR;
   }
-  buf = data;
-  offset = 0;
-  str_cnt = 0;
-  while (offset < (filesize - 1) && str_cnt < limit)
+
+  /* Read data into memory */
+  data = GNUNET_malloc (filesize + 1);
+  if (filesize != GNUNET_DISK_fn_read (filename,
+                                       data,
+                                       filesize))
   {
-    offset++;
-    if (((data[offset] == '\n')) && (buf != &data[offset]))
-    {
-      data[offset] = '\0';
-      str_cnt++;
-      buf = &data[offset + 1];
-    }
-    else if ((data[offset] == '\n') || (data[offset] == '\0'))
-      buf = &data[offset + 1];
+    GNUNET_free (data);
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "Could not read search strings file %s.\n",
+                filename);
+    return GNUNET_SYSERR;
   }
-  *strings = GNUNET_malloc (sizeof (char *) * str_cnt);
-  offset = 0;
-  for (i = 0; i < str_cnt; i++)
+
+  /* Process buffer and build array */
+  str_cnt = count_and_separate_strings (data, filesize, limit);
+  if (GNUNET_OK != create_string_array (data, filesize, strings, str_cnt))
   {
-    GNUNET_asprintf (&(*strings)[i], "%s%s", regex_prefix, &data[offset]);
-    offset += strlen (&data[offset]) + 1;
+    str_cnt = GNUNET_SYSERR;
   }
   GNUNET_free (data);
   return str_cnt;
@@ -1260,7 +1371,9 @@ load_search_strings (const char *filename, char ***strings, unsigned int limit)
  * @param config configuration
  */
 static void
-run (void *cls, char *const *args, const char *cfgfile,
+run (void *cls,
+     char *const *args,
+     const char *cfgfile,
      const struct GNUNET_CONFIGURATION_Handle *config)
 {
   unsigned int nsearchstrs;
@@ -1273,8 +1386,8 @@ run (void *cls, char *const *args, const char *cfgfile,
   if (NULL == config)
   {
     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                _("No configuration file given. Exiting\n"));
-    shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+                _ ("No configuration file given. Exiting\n"));
+    GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
     return;
   }
   cfg = GNUNET_CONFIGURATION_dup (config);
@@ -1283,9 +1396,10 @@ run (void *cls, char *const *args, const char *cfgfile,
                                              "REGEX_PREFIX",
                                              &regex_prefix))
   {
-    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                _("Configuration option \"regex_prefix\" missing. Exiting\n"));
-    shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+    GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+                               "regexprofiler",
+                               "regex_prefix");
+    GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
     return;
   }
   if (GNUNET_OK !=
@@ -1303,7 +1417,7 @@ run (void *cls, char *const *args, const char *cfgfile,
                                            "REANNOUNCE_PERIOD_MAX",
                                            &reannounce_period_max))
   {
-    GNUNET_log (GNUNET_ERROR_TYPE_WARNING, 
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
                 "reannounce_period_max not given. Using 10 minutes.\n");
     reannounce_period_max =
       GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 10);
@@ -1313,20 +1427,22 @@ run (void *cls, char *const *args, const char *cfgfile,
   if (NULL == policy_dir)
   {
     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                _("No policy directory specified on command line. Exiting.\n"));
+                _ (
+                  "No policy directory specified on command line. Exiting.\n"));
     return;
   }
   if (GNUNET_YES != GNUNET_DISK_directory_test (policy_dir, GNUNET_YES))
   {
     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                _("Specified policies directory does not exist. Exiting.\n"));
-    shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+                _ ("Specified policies directory does not exist. Exiting.\n"));
+    GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
     return;
   }
-  if (-1 == (num_peers = GNUNET_DISK_directory_scan (policy_dir, NULL, NULL)))
+  if (0 >= (int) (num_peers = GNUNET_DISK_directory_scan (policy_dir, NULL,
+                                                          NULL)))
   {
     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                _("No files found in `%s'\n"),
+                _ ("No files found in `%s'\n"),
                 policy_dir);
     return;
   }
@@ -1335,8 +1451,8 @@ run (void *cls, char *const *args, const char *cfgfile,
   if (GNUNET_YES != GNUNET_DISK_file_test (strings_file))
   {
     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                _("No search strings file given. Exiting.\n"));
-    shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+                _ ("No search strings file given. Exiting.\n"));
+    GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
     return;
   }
   nsearchstrs = load_search_strings (strings_file,
@@ -1349,14 +1465,14 @@ run (void *cls, char *const *args, const char *cfgfile,
     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                 "File (%s) does not contain enough strings (%u/%u).\n",
                 strings_file, nsearchstrs, num_peers);
-    shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+    GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
     return;
   }
-  if (0 >= num_peers || NULL == search_strings)
+  if ((0 == num_peers) || (NULL == search_strings))
   {
     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                _("Error loading search strings. Exiting.\n"));
-    shutdown_task = GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
+                _ ("Error loading search strings. Exiting.\n"));
+    GNUNET_SCHEDULER_add_now (&do_shutdown, NULL);
     return;
   }
   for (i = 0; i < num_peers; i++)
@@ -1365,14 +1481,14 @@ run (void *cls, char *const *args, const char *cfgfile,
                 search_strings[i]);
 
   /* Check logfile */
-  if ( (NULL != data_filename) &&
-       (NULL == (data_file =
-                 GNUNET_DISK_file_open (data_filename,
-                                        GNUNET_DISK_OPEN_READWRITE |
-                                        GNUNET_DISK_OPEN_TRUNCATE |
-                                        GNUNET_DISK_OPEN_CREATE,
-                                        GNUNET_DISK_PERM_USER_READ |
-                                        GNUNET_DISK_PERM_USER_WRITE))) )
+  if ((NULL != data_filename) &&
+      (NULL == (data_file =
+                  GNUNET_DISK_file_open (data_filename,
+                                         GNUNET_DISK_OPEN_READWRITE
+                                         | GNUNET_DISK_OPEN_TRUNCATE
+                                         | GNUNET_DISK_OPEN_CREATE,
+                                         GNUNET_DISK_PERM_USER_READ
+                                         | GNUNET_DISK_PERM_USER_WRITE))))
   {
     GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_ERROR,
                               "open",
@@ -1381,18 +1497,17 @@ run (void *cls, char *const *args, const char *cfgfile,
   }
 
   /* Initialize peers */
-  peers = GNUNET_malloc (sizeof (struct RegexPeer) * num_peers);
+  peers = GNUNET_malloc (sizeof(struct RegexPeer) * num_peers);
   for (i = 0; i < num_peers; i++)
-  {
     peers[i].id = i;
-  }
 
   GNUNET_CONFIGURATION_set_value_number (cfg,
                                          "TESTBED", "OVERLAY_RANDOM_LINKS",
                                          num_peers * 20);
   GNUNET_CONFIGURATION_set_value_number (cfg,
                                          "DHT", "FORCE_NSE",
-                                         (long long unsigned) log2 (num_peers));
+                                         (long long unsigned)
+                                         (log (num_peers) / log (2.0)));
   event_mask = 0LL;
 /* For feedback about the start process activate these and pass master_cb */
   event_mask |= (1LL << GNUNET_TESTBED_ET_PEER_START);
@@ -1413,14 +1528,19 @@ run (void *cls, char *const *args, const char *cfgfile,
                                            "SETUP_TIMEOUT",
                                            &abort_time))
   {
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "SETUP_TIMEOUT not given. Using 15 minutes.\n");
     abort_time =
       GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 15);
   }
   abort_time = GNUNET_TIME_relative_add (abort_time, GNUNET_TIME_UNIT_MINUTES);
   abort_task =
-      GNUNET_SCHEDULER_add_delayed (abort_time,
-                                    &do_abort,
-                                    (void*) __LINE__);
+    GNUNET_SCHEDULER_add_delayed (abort_time,
+                                  &do_abort,
+                                  (void*) __LINE__);
+  GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+              "setup_timeout: %s\n",
+              GNUNET_STRINGS_relative_time_to_string (abort_time, GNUNET_YES));
 }
 
 
@@ -1434,22 +1554,42 @@ run (void *cls, char *const *args, const char *cfgfile,
 int
 main (int argc, char *const *argv)
 {
-  static const struct GNUNET_GETOPT_CommandLineOption options[] = {
-    {'o', "output-file", "FILENAME",
-     gettext_noop ("name of the file for writing statistics"),
-     GNUNET_YES, &GNUNET_GETOPT_set_string, &data_filename},
-    {'t', "matching-timeout", "TIMEOUT",
-      gettext_noop ("wait TIMEOUT before ending the experiment"),
-      GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &search_timeout_time},
-    {'p', "policy-dir", "DIRECTORY",
-      gettext_noop ("directory with policy files"),
-      GNUNET_YES, &GNUNET_GETOPT_set_filename, &policy_dir},
-    {'s', "strings-file", "FILENAME",
-      gettext_noop ("name of file with input strings"),
-      GNUNET_YES, &GNUNET_GETOPT_set_filename, &strings_file},
-    {'H', "hosts-file", "FILENAME",
-      gettext_noop ("name of file with hosts' names"),
-      GNUNET_YES, &GNUNET_GETOPT_set_filename, &hosts_file},
+  struct GNUNET_GETOPT_CommandLineOption options[] = {
+    GNUNET_GETOPT_option_filename ('o',
+                                   "output-file",
+                                   "FILENAME",
+                                   gettext_noop (
+                                     "name of the file for writing statistics"),
+                                   &data_filename),
+
+    GNUNET_GETOPT_option_relative_time ('t',
+                                        "matching-timeout",
+                                        "TIMEOUT",
+                                        gettext_noop (
+                                          "wait TIMEOUT before ending the experiment"),
+                                        &search_timeout_time),
+
+    GNUNET_GETOPT_option_filename ('p',
+                                   "policy-dir",
+                                   "DIRECTORY",
+                                   gettext_noop ("directory with policy files"),
+                                   &policy_dir),
+
+
+    GNUNET_GETOPT_option_filename ('s',
+                                   "strings-file",
+                                   "FILENAME",
+                                   gettext_noop (
+                                     "name of file with input strings"),
+                                   &strings_file),
+
+    GNUNET_GETOPT_option_filename ('H',
+                                   "hosts-file",
+                                   "FILENAME",
+                                   gettext_noop (
+                                     "name of file with hosts' names"),
+                                   &hosts_file),
+
     GNUNET_GETOPT_OPTION_END
   };
   int ret;
@@ -1458,10 +1598,10 @@ main (int argc, char *const *argv)
     return 2;
   result = GNUNET_SYSERR;
   ret =
-      GNUNET_PROGRAM_run (argc, argv,
-                          "gnunet-regex-profiler",
-                          _("Profiler for regex"),
-                          options, &run, NULL);
+    GNUNET_PROGRAM_run (argc, argv,
+                        "gnunet-regex-profiler",
+                        ("Profiler for regex"),
+                        options, &run, NULL);
   if (GNUNET_OK != ret)
     return ret;
   if (GNUNET_OK != result)