-cleaner version of sharetree trim code; should be fast enough to run synchrnously
[oweals/gnunet.git] / src / fs / test_fs_namespace.c
index 6014e4394467574b5571901ded665a61773fed73..181a23c35b310934051239b0a63eba64fa28a8be 100644 (file)
@@ -4,7 +4,7 @@
 
      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
+     by the Free Software Foundation; either version 3, or (at your
      option) any later version.
 
      GNUnet is distributed in the hope that it will be useful, but
  * @file fs/test_fs_namespace.c
  * @brief Test for fs_namespace.c
  * @author Christian Grothoff
- *
- * TODO:
- * - add timeout task
  */
 #include "platform.h"
 #include "gnunet_util_lib.h"
 #include "gnunet_arm_service.h"
 #include "gnunet_fs_service.h"
 
-#define VERBOSE GNUNET_YES
+#define VERBOSE GNUNET_EXTRA_LOGGING
 
 #define START_ARM GNUNET_YES
 
-static struct GNUNET_SCHEDULER_Handle *sched;
-
 static struct PeerContext p1;
 
 static GNUNET_HashCode nsid;
@@ -51,6 +46,8 @@ static struct GNUNET_FS_SearchContext *sks_search;
 
 static struct GNUNET_FS_SearchContext *ksk_search;
 
+static GNUNET_SCHEDULER_TaskIdentifier kill_task;
+
 static int update_started;
 
 static int err;
@@ -59,7 +56,7 @@ struct PeerContext
 {
   struct GNUNET_CONFIGURATION_Handle *cfg;
 #if START_ARM
-  pid_t arm_pid;
+  struct GNUNET_OS_Process *arm_proc;
 #endif
 };
 
@@ -69,15 +66,15 @@ setup_peer (struct PeerContext *p, const char *cfgname)
 {
   p->cfg = GNUNET_CONFIGURATION_create ();
 #if START_ARM
-  p->arm_pid = GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm",
-                                        "gnunet-service-arm",
+  p->arm_proc =
+      GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm",
+                               "gnunet-service-arm",
 #if VERBOSE
-                                        "-L", "DEBUG",
+                               "-L", "DEBUG",
 #endif
-                                        "-c", cfgname, NULL);
+                               "-c", cfgname, NULL);
 #endif
   GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
-  GNUNET_ARM_start_services (p->cfg, sched, "core", NULL);
 }
 
 
@@ -85,266 +82,239 @@ static void
 stop_arm (struct PeerContext *p)
 {
 #if START_ARM
-  if (0 != PLIBC_KILL (p->arm_pid, SIGTERM))
-    GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
-  if (GNUNET_OS_process_wait(p->arm_pid) != GNUNET_OK)
-    GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid");
-  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-              "ARM process %u stopped\n", p->arm_pid);
+  if (NULL != p->arm_proc)
+  {
+    if (0 != GNUNET_OS_process_kill (p->arm_proc, SIGTERM))
+      GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
+    if (GNUNET_OS_process_wait (p->arm_proc) != GNUNET_OK)
+      GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid");
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "ARM process %u stopped\n",
+                GNUNET_OS_process_get_pid (p->arm_proc));
+    GNUNET_OS_process_close (p->arm_proc);
+    p->arm_proc = NULL;
+  }
 #endif
   GNUNET_CONFIGURATION_destroy (p->cfg);
 }
 
 
 static void
-abort_ksk_search_task (void *cls,
-                      const struct GNUNET_SCHEDULER_TaskContext *tc)
+abort_ksk_search_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 {
   if (ksk_search != NULL)
+  {
+    GNUNET_FS_search_stop (ksk_search);
+    ksk_search = NULL;
+    if (sks_search == NULL)
     {
-      GNUNET_FS_search_stop (ksk_search);
-      ksk_search = NULL;
-      if (sks_search == NULL)
-       GNUNET_FS_stop (fs);
+      GNUNET_FS_stop (fs);
+      if (GNUNET_SCHEDULER_NO_TASK != kill_task)
+        GNUNET_SCHEDULER_cancel (kill_task);
     }
+  }
 }
 
 
 static void
-abort_sks_search_task (void *cls,
-                      const struct GNUNET_SCHEDULER_TaskContext *tc)
+abort_sks_search_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
 {
   struct GNUNET_FS_Namespace *ns;
 
-  if (sks_search != NULL)
-    {
-      GNUNET_FS_search_stop (sks_search);
-      sks_search = NULL;
-      ns = GNUNET_FS_namespace_create (fs,
-                                      "testNamespace");
-      GNUNET_assert (GNUNET_OK == GNUNET_FS_namespace_delete (ns, GNUNET_YES));
-      if (ksk_search == NULL)
-       GNUNET_FS_stop (fs);
-    }
+  if (sks_search == NULL)
+    return;
+  GNUNET_FS_search_stop (sks_search);
+  sks_search = NULL;
+  ns = GNUNET_FS_namespace_create (fs, "testNamespace");
+  GNUNET_assert (NULL != ns);
+  GNUNET_assert (GNUNET_OK == GNUNET_FS_namespace_delete (ns, GNUNET_YES));
+  if (ksk_search == NULL)
+  {
+    GNUNET_FS_stop (fs);
+    if (GNUNET_SCHEDULER_NO_TASK != kill_task)
+      GNUNET_SCHEDULER_cancel (kill_task);
+  }
+}
+
+
+static void
+do_timeout (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  FPRINTF (stderr, "%s",  "Operation timed out\n");
+  kill_task = GNUNET_SCHEDULER_NO_TASK;
+  abort_sks_search_task (NULL, tc);
+  abort_ksk_search_task (NULL, tc);
 }
 
 
+
 static void *
-progress_cb (void *cls, 
-            const struct GNUNET_FS_ProgressInfo *event)
+progress_cb (void *cls, const struct GNUNET_FS_ProgressInfo *event)
 {
   switch (event->status)
+  {
+  case GNUNET_FS_STATUS_SEARCH_RESULT:
+    if (sks_search == event->value.search.sc)
+    {
+      if (!GNUNET_FS_uri_test_equal
+          (sks_expect_uri, event->value.search.specifics.result.uri))
+      {
+        FPRINTF (stderr, "%s",  "Wrong result for sks search!\n");
+        err = 1;
+      }
+      /* give system 1ms to initiate update search! */
+      GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_MILLISECONDS,
+                                    &abort_sks_search_task, NULL);
+    }
+    else if (ksk_search == event->value.search.sc)
+    {
+      if (!GNUNET_FS_uri_test_equal
+          (ksk_expect_uri, event->value.search.specifics.result.uri))
+      {
+        FPRINTF (stderr, "%s",  "Wrong result for ksk search!\n");
+        err = 1;
+      }
+      GNUNET_SCHEDULER_add_continuation (&abort_ksk_search_task, NULL,
+                                         GNUNET_SCHEDULER_REASON_PREREQ_DONE);
+    }
+    else
+    {
+      FPRINTF (stderr, "%s",  "Unexpected search result received!\n");
+      GNUNET_break (0);
+    }
+    break;
+  case GNUNET_FS_STATUS_SEARCH_ERROR:
+    FPRINTF (stderr, "Error searching file: %s\n",
+             event->value.search.specifics.error.message);
+    if (sks_search == event->value.search.sc)
+      GNUNET_SCHEDULER_add_continuation (&abort_sks_search_task, NULL,
+                                         GNUNET_SCHEDULER_REASON_PREREQ_DONE);
+    else if (ksk_search == event->value.search.sc)
+      GNUNET_SCHEDULER_add_continuation (&abort_ksk_search_task, NULL,
+                                         GNUNET_SCHEDULER_REASON_PREREQ_DONE);
+    else
+      GNUNET_break (0);
+    break;
+  case GNUNET_FS_STATUS_SEARCH_START:
+    GNUNET_assert ((NULL == event->value.search.cctx) ||
+                   (0 == strcmp ("sks_search", event->value.search.cctx)) ||
+                   (0 == strcmp ("ksk_search", event->value.search.cctx)));
+    if (NULL == event->value.search.cctx)
     {
-    case GNUNET_FS_STATUS_SEARCH_RESULT:
-      if (sks_search == event->value.search.sc)
-       {
-         fprintf (stderr,
-                  "Search result for sks received\n");
-         if (! GNUNET_FS_uri_test_equal (sks_expect_uri,
-                                         event->value.search.specifics.result.uri))
-           {
-             fprintf (stderr,
-                      "Wrong result for sks search!\n");
-             err = 1;
-           }
-         /* give system 1ms to initiate update search! */
-         GNUNET_SCHEDULER_add_delayed (sched,
-                                       GNUNET_TIME_UNIT_MILLISECONDS,
-                                       &abort_sks_search_task,
-                                       NULL);
-       }
-      else if (ksk_search == event->value.search.sc)
-       {
-         fprintf (stderr,
-                  "Search result for ksk received\n");
-         if (! GNUNET_FS_uri_test_equal (ksk_expect_uri,
-                                         event->value.search.specifics.result.uri))
-           {
-             fprintf (stderr,
-                      "Wrong result for ksk search!\n");
-             err = 1;
-           }
-         GNUNET_SCHEDULER_add_continuation (sched,
-                                            &abort_ksk_search_task,
-                                            NULL,
-                                            GNUNET_SCHEDULER_REASON_PREREQ_DONE);
-       }
-      else 
-       {
-         fprintf (stderr,
-                  "Search result received!?\n");
-         GNUNET_break (0);
-       }
-      break;
-    case GNUNET_FS_STATUS_SEARCH_ERROR:
-      fprintf (stderr,
-              "Error searching file: %s\n",
-              event->value.search.specifics.error.message);
-      if (sks_search == event->value.search.sc)
-       GNUNET_SCHEDULER_add_continuation (sched,
-                                          &abort_sks_search_task,
-                                          NULL,
-                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
-      else if (ksk_search == event->value.search.sc)
-       GNUNET_SCHEDULER_add_continuation (sched,
-                                          &abort_ksk_search_task,
-                                          NULL,
-                                          GNUNET_SCHEDULER_REASON_PREREQ_DONE);
-      else
-       GNUNET_break (0);
-      break;
-    case GNUNET_FS_STATUS_SEARCH_START:
-      fprintf (stderr,
-              "Search start event for `%s' received\n",
-              (const char*) event->value.search.cctx);
-      GNUNET_assert ( (NULL == event->value.search.cctx) ||
-                     (0 == strcmp ("sks_search", event->value.search.cctx)) ||
-                     (0 == strcmp ("ksk_search", event->value.search.cctx)));
-      if (NULL == event->value.search.cctx)
-       {
-         GNUNET_assert (sks_search == event->value.search.pctx);
-         update_started = GNUNET_YES;
-       }
-      GNUNET_assert (1 == event->value.search.anonymity);
-      break;
-    case GNUNET_FS_STATUS_SEARCH_RESULT_STOPPED:
-      break;
-    case GNUNET_FS_STATUS_SEARCH_STOPPED:
-      fprintf (stderr,
-              "Search stop event received\n");
-      GNUNET_assert ( (ksk_search == event->value.search.sc) ||
-                     (sks_search == event->value.search.sc));
-      break;
-    default:
-      fprintf (stderr,
-              "Unexpected event: %d\n", 
-              event->status);
-      break;
+      GNUNET_assert (0 == strcmp ("sks_search", event->value.search.pctx));
+      update_started = GNUNET_YES;
     }
-  return NULL;
+    GNUNET_assert (1 == event->value.search.anonymity);
+    break;
+  case GNUNET_FS_STATUS_SEARCH_RESULT_STOPPED:
+    return NULL;
+  case GNUNET_FS_STATUS_SEARCH_STOPPED:
+    return NULL;
+  default:
+    FPRINTF (stderr, "Unexpected event: %d\n", event->status);
+    break;
+  }
+  return event->value.search.cctx;
 }
 
 
 static void
-publish_cont (void *cls,
-             const struct GNUNET_FS_Uri *ksk_uri,
-             const char *emsg)
+publish_cont (void *cls, const struct GNUNET_FS_Uri *ksk_uri, const char *emsg)
 {
   char *msg;
   struct GNUNET_FS_Uri *sks_uri;
   char sbuf[1024];
   struct GNUNET_CRYPTO_HashAsciiEncoded enc;
-  
+
   if (NULL != emsg)
-    {
-      fprintf (stderr, "Error publishing: %s\n", emsg);
-      err = 1;
-      GNUNET_FS_stop (fs);
-      return;
-    }  
-  GNUNET_CRYPTO_hash_to_enc (&nsid,
-                            &enc);
-  GNUNET_snprintf (sbuf,
-                  sizeof (sbuf),
-                  "gnunet://fs/sks/%s/this",
-                  &enc);
+  {
+    FPRINTF (stderr, "Error publishing: %s\n", emsg);
+    err = 1;
+    GNUNET_FS_stop (fs);
+    return;
+  }
+  GNUNET_CRYPTO_hash_to_enc (&nsid, &enc);
+  GNUNET_snprintf (sbuf, sizeof (sbuf), "gnunet://fs/sks/%s/this", &enc);
   sks_uri = GNUNET_FS_uri_parse (sbuf, &msg);
-  if (msg != NULL)
-    {
-      fprintf (stderr, "failed to parse URI `%s': %s\n",
-              sbuf,
-              msg);
-      err = 1;
-      GNUNET_FS_stop (fs);
-      return;
-    }
-  fprintf (stderr, "Starting keyword search...\n");
-  ksk_search = GNUNET_FS_search_start (fs, ksk_uri, 1, "ksk_search");
-  fprintf (stderr, "Starting namespace search...\n") ;
-  sks_search = GNUNET_FS_search_start (fs, sks_uri, 1, "sks_search");
+  if (NULL == sks_uri)
+  {
+    FPRINTF (stderr, "failed to parse URI `%s': %s\n", sbuf, msg);
+    err = 1;
+    GNUNET_FS_stop (fs);
+    GNUNET_free_non_null (msg);
+    return;
+  }
+  ksk_search =
+      GNUNET_FS_search_start (fs, ksk_uri, 1, GNUNET_FS_SEARCH_OPTION_NONE,
+                              "ksk_search");
+  sks_search =
+      GNUNET_FS_search_start (fs, sks_uri, 1, GNUNET_FS_SEARCH_OPTION_NONE,
+                              "sks_search");
   GNUNET_FS_uri_destroy (sks_uri);
 }
 
 
 static void
-sks_cont (void *cls,
-         const struct GNUNET_FS_Uri *uri,
-         const char *emsg)
+sks_cont (void *cls, const struct GNUNET_FS_Uri *uri, const char *emsg)
 {
   struct GNUNET_CONTAINER_MetaData *meta;
-  struct GNUNET_TIME_Absolute expiration;
   struct GNUNET_FS_Uri *ksk_uri;
-  char * msg;
+  char *msg;
+  struct GNUNET_FS_BlockOptions bo;
 
-  expiration = GNUNET_TIME_relative_to_absolute (GNUNET_TIME_UNIT_MINUTES);
   meta = GNUNET_CONTAINER_meta_data_create ();
   msg = NULL;
   ksk_uri = GNUNET_FS_uri_parse ("gnunet://fs/ksk/ns-search", &msg);
   GNUNET_assert (NULL == msg);
-  fprintf (stderr, "Advertising update 'this' namespace entry under keyword...\n");
   ksk_expect_uri = GNUNET_FS_uri_dup (uri);
-  GNUNET_FS_publish_ksk (fs,
-                        ksk_uri,
-                        meta,
-                        uri,
-                        expiration,
-                        1, 1,
-                        GNUNET_FS_PUBLISH_OPTION_NONE,
-                        &publish_cont,
-                        NULL);
+  bo.content_priority = 1;
+  bo.anonymity_level = 1;
+  bo.replication_level = 0;
+  bo.expiration_time =
+      GNUNET_TIME_relative_to_absolute (GNUNET_TIME_UNIT_MINUTES);
+  GNUNET_FS_publish_ksk (fs, ksk_uri, meta, uri, &bo,
+                         GNUNET_FS_PUBLISH_OPTION_NONE, &publish_cont, NULL);
   GNUNET_FS_uri_destroy (ksk_uri);
   GNUNET_CONTAINER_meta_data_destroy (meta);
 }
 
 
 static void
-adv_cont (void *cls,
-             const struct GNUNET_FS_Uri *uri,
-             const char *emsg)
+adv_cont (void *cls, const struct GNUNET_FS_Uri *uri, const char *emsg)
 {
   struct GNUNET_CONTAINER_MetaData *meta;
   struct GNUNET_FS_Namespace *ns;
-  struct GNUNET_TIME_Absolute expiration;
+  struct GNUNET_FS_BlockOptions bo;
 
   if (NULL != emsg)
-    {
-      fprintf (stderr, "Error publishing: %s\n", emsg);
-      err = 1;
-      GNUNET_FS_stop (fs);
-      return;
-    }
-  expiration = GNUNET_TIME_relative_to_absolute (GNUNET_TIME_UNIT_MINUTES);
-  ns = GNUNET_FS_namespace_create (fs,
-                                  "testNamespace");
+  {
+    FPRINTF (stderr, "Error publishing: %s\n", emsg);
+    err = 1;
+    GNUNET_FS_stop (fs);
+    return;
+  }
+  ns = GNUNET_FS_namespace_create (fs, "testNamespace");
+  GNUNET_assert (NULL != ns);
   meta = GNUNET_CONTAINER_meta_data_create ();
   GNUNET_assert (NULL == emsg);
-  fprintf (stderr, "Advertising update 'this->next' namespace update...\n");
   sks_expect_uri = GNUNET_FS_uri_dup (uri);
-  GNUNET_FS_publish_sks (fs,
-                        ns,
-                        "this",
-                        "next",
-                        meta,
-                        uri, /* FIXME: this is non-sense (use CHK URI!?) */
-                        expiration,
-                        1, 1,
-                        GNUNET_FS_PUBLISH_OPTION_NONE,
-                        &sks_cont,
-                        NULL);
+  bo.content_priority = 1;
+  bo.anonymity_level = 1;
+  bo.replication_level = 0;
+  bo.expiration_time =
+      GNUNET_TIME_relative_to_absolute (GNUNET_TIME_UNIT_MINUTES);
+  GNUNET_FS_publish_sks (fs, ns, "this", "next", meta, uri,     /* FIXME: this is non-sense (use CHK URI!?) */
+                         &bo, GNUNET_FS_PUBLISH_OPTION_NONE, &sks_cont, NULL);
   GNUNET_CONTAINER_meta_data_destroy (meta);
   GNUNET_FS_namespace_delete (ns, GNUNET_NO);
 }
 
 
 static void
-ns_iterator (void *cls,
-            const char *name,
-            const GNUNET_HashCode *id)
+ns_iterator (void *cls, const char *name, const GNUNET_HashCode * id)
 {
   int *ok = cls;
 
-  if (0 != strcmp (name,
-                  "testNamespace"))
+  if (0 != strcmp (name, "testNamespace"))
     return;
   *ok = GNUNET_YES;
   nsid = *id;
@@ -355,53 +325,48 @@ static void
 testNamespace ()
 {
   struct GNUNET_FS_Namespace *ns;
-  struct GNUNET_TIME_Absolute expiration;
+  struct GNUNET_FS_BlockOptions bo;
   struct GNUNET_CONTAINER_MetaData *meta;
+  struct GNUNET_FS_Uri *ksk_uri;
   int ok;
 
-  ns = GNUNET_FS_namespace_create (fs,
-                                  "testNamespace");
+  ns = GNUNET_FS_namespace_create (fs, "testNamespace");
+  GNUNET_assert (NULL != ns);
   ok = GNUNET_NO;
   GNUNET_FS_namespace_list (fs, &ns_iterator, &ok);
   if (GNUNET_NO == ok)
-    {
-      fprintf (stderr, "namespace_list failed to find namespace!\n");
-      GNUNET_FS_namespace_delete (ns, GNUNET_YES);
-      GNUNET_FS_stop (fs);
-      err = 1;
-      return;
-    }
-  fprintf (stderr, "Advertising namespace root...\n");
-  expiration = GNUNET_TIME_relative_to_absolute (GNUNET_TIME_UNIT_MINUTES);
+  {
+    FPRINTF (stderr, "%s",  "namespace_list failed to find namespace!\n");
+    GNUNET_FS_namespace_delete (ns, GNUNET_YES);
+    GNUNET_FS_stop (fs);
+    err = 1;
+    return;
+  }
   meta = GNUNET_CONTAINER_meta_data_create ();
-  GNUNET_FS_namespace_advertise (fs,
-                                ns,
-                                meta,
-                                1, 1,
-                                expiration,                                       
-                                "root",
-                                &adv_cont, NULL);
+  ksk_uri = GNUNET_FS_uri_parse ("gnunet://fs/ksk/testnsa", NULL);
+  bo.content_priority = 1;
+  bo.anonymity_level = 1;
+  bo.replication_level = 0;
+  bo.expiration_time =
+      GNUNET_TIME_relative_to_absolute (GNUNET_TIME_UNIT_MINUTES);
+  GNUNET_FS_namespace_advertise (fs, ksk_uri, ns, meta, &bo, "root", &adv_cont,
+                                 NULL);
+  kill_task =
+      GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_MINUTES, &do_timeout,
+                                    NULL);
+  GNUNET_FS_uri_destroy (ksk_uri);
   GNUNET_FS_namespace_delete (ns, GNUNET_NO);
   GNUNET_CONTAINER_meta_data_destroy (meta);
 }
 
 
 static void
-run (void *cls,
-     struct GNUNET_SCHEDULER_Handle *s,
-     char *const *args,
-     const char *cfgfile,
+run (void *cls, char *const *args, const char *cfgfile,
      const struct GNUNET_CONFIGURATION_Handle *cfg)
 {
-  sched = s;
   setup_peer (&p1, "test_fs_namespace_data.conf");
-  fs = GNUNET_FS_start (sched,
-                       cfg,
-                       "test-fs-namespace",
-                       &progress_cb,
-                       NULL,
-                       GNUNET_FS_FLAGS_NONE,
-                       GNUNET_FS_OPTIONS_END);
+  fs = GNUNET_FS_start (cfg, "test-fs-namespace", &progress_cb, NULL,
+                        GNUNET_FS_FLAGS_NONE, GNUNET_FS_OPTIONS_END);
   testNamespace ();
 }
 
@@ -409,7 +374,7 @@ run (void *cls,
 int
 main (int argc, char *argv[])
 {
-  char *const argvx[] = { 
+  char *const argvx[] = {
     "test-fs-namespace",
     "-c",
     "test_fs_namespace_data.conf",
@@ -422,23 +387,21 @@ main (int argc, char *argv[])
     GNUNET_GETOPT_OPTION_END
   };
 
-  GNUNET_log_setup ("test_fs_namespace", 
+  GNUNET_log_setup ("test_fs_namespace",
 #if VERBOSE
-                   "DEBUG",
+                    "DEBUG",
 #else
-                   "WARNING",
+                    "WARNING",
 #endif
-                   NULL);
-  GNUNET_PROGRAM_run ((sizeof (argvx) / sizeof (char *)) - 1,
-                      argvx, "test-fs-namespace",
-                     "nohelp", options, &run, NULL);
+                    NULL);
+  GNUNET_PROGRAM_run ((sizeof (argvx) / sizeof (char *)) - 1, argvx,
+                      "test-fs-namespace", "nohelp", options, &run, NULL);
   stop_arm (&p1);
   if (GNUNET_YES != update_started)
-    {
-      fprintf (stderr,
-              "Update search never started!\n");
-      err = 1;
-    }
+  {
+    FPRINTF (stderr, "%s",  "Update search never started!\n");
+    err = 1;
+  }
   GNUNET_DISK_directory_remove ("/tmp/gnunet-test-fs-namespace/");
   return err;
 }