1 files changed, 197 insertions, 0 deletions

diff --git a/src/service/statistics/test_statistics_api_watch_zero_value.c b/src/service/statistics/test_statistics_api_watch_zero_value.c
new file mode 100644
index 000000000..cb2694f8f
--- /dev/null
+++ b/src/service/statistics/test_statistics_api_watch_zero_value.c
@@ -0,0 +1,197 @@
+/*
+     This file is part of GNUnet.
+     Copyright (C) 2009, 2011, 2012 GNUnet e.V.
+
+     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
+     Affero General Public License for more details.
+
+     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 statistics/test_statistics_api_watch_zero_value.c
+ * @brief testcase for statistics_api.c watch functions with initial 0 value
+ */
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_statistics_service.h"
+
+static int ok;
+
+static int ok2;
+
+static struct GNUNET_STATISTICS_Handle *h;
+
+static struct GNUNET_STATISTICS_Handle *h2;
+
+static struct GNUNET_SCHEDULER_Task *shutdown_task;
+
+
+static void
+force_shutdown (void *cls)
+{
+  fprintf (stderr, "Timeout, failed to receive notifications: %d\n", ok);
+  GNUNET_STATISTICS_destroy (h, GNUNET_NO);
+  GNUNET_STATISTICS_destroy (h2, GNUNET_NO);
+  ok = 7;
+}
+
+
+static void
+normal_shutdown (void *cls)
+{
+  GNUNET_STATISTICS_destroy (h, GNUNET_NO);
+  GNUNET_STATISTICS_destroy (h2, GNUNET_NO);
+}
+
+
+static int
+watch_1 (void *cls, const char *subsystem, const char *name, uint64_t value,
+         int is_persistent)
+{
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Received value `%s' `%s' %llu\n",
+              subsystem,
+              name,
+              (unsigned long long) value);
+  GNUNET_assert (0 == strcmp (name, "test-1"));
+  if ((0 == value) && (3 == ok))
+  {
+    ok--;
+    GNUNET_STATISTICS_set (h, "test-1", 42, GNUNET_NO);
+  }
+
+  if ((42 == value) && (2 == ok))
+  {
+    ok--;
+    GNUNET_STATISTICS_set (h, "test-1", 0, GNUNET_NO);
+  }
+
+  if ((0 == value) && (1 == ok))
+  {
+    ok--;
+  }
+  if ((0 == ok) && (0 == ok2))
+  {
+    GNUNET_SCHEDULER_cancel (shutdown_task);
+    GNUNET_SCHEDULER_add_now (&normal_shutdown, NULL);
+  }
+
+  return GNUNET_OK;
+}
+
+
+static int
+watch_2 (void *cls,
+         const char *subsystem,
+         const char *name,
+         uint64_t value,
+         int is_persistent)
+{
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Received value `%s' `%s' %llu\n",
+              subsystem,
+              name,
+              (unsigned long long) value);
+
+  GNUNET_assert (0 == strcmp (name, "test-2"));
+  if ((42 == value) && (1 == ok2))
+  {
+    ok2 = 0;
+    if (0 == ok)
+    {
+      GNUNET_SCHEDULER_cancel (shutdown_task);
+      GNUNET_SCHEDULER_add_now (&normal_shutdown, NULL);
+    }
+  }
+  else
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Received unexpected value %llu\n",
+                (unsigned long long) value);
+
+    GNUNET_break (0);
+    GNUNET_SCHEDULER_cancel (shutdown_task);
+    GNUNET_SCHEDULER_add_now (&normal_shutdown, NULL);
+  }
+
+  return GNUNET_OK;
+}
+
+
+static void
+run (void *cls, char *const *args, const char *cfgfile,
+     const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+  h = GNUNET_STATISTICS_create ("dummy", cfg);
+  h2 = GNUNET_STATISTICS_create ("dummy-2", cfg);
+  GNUNET_assert (GNUNET_OK ==
+                 GNUNET_STATISTICS_watch (h, "dummy",
+                                          "test-1", &watch_1, NULL));
+
+  GNUNET_assert (GNUNET_OK ==
+                 GNUNET_STATISTICS_watch (h2, "dummy-2",
+                                          "test-2", &watch_2, NULL));
+
+  /* Set initial value to 0 */
+  GNUNET_STATISTICS_set (h, "test-1", 0, GNUNET_NO);
+  GNUNET_STATISTICS_set (h2, "test-2", 42, GNUNET_NO);
+
+  shutdown_task =
+    GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_MINUTES,
+                                  &force_shutdown,
+                                  NULL);
+}
+
+
+int
+main (int argc, char *argv_ign[])
+{
+  char *const argv[] = { "test-statistics-api",
+                         "-c",
+                         "test_statistics_api_data.conf",
+                         NULL };
+  struct GNUNET_GETOPT_CommandLineOption options[] = {
+    GNUNET_GETOPT_OPTION_END
+  };
+  struct GNUNET_OS_Process *proc;
+  char *binary;
+
+  binary = GNUNET_OS_get_libexec_binary_path ("gnunet-service-statistics");
+  proc =
+    GNUNET_OS_start_process (GNUNET_OS_INHERIT_STD_OUT_AND_ERR
+                             | GNUNET_OS_USE_PIPE_CONTROL,
+                             NULL, NULL, NULL,
+                             binary,
+                             "gnunet-service-statistics",
+                             "-c", "test_statistics_api_data.conf", NULL);
+  GNUNET_assert (NULL != proc);
+  ok = 3;
+  ok2 = 1;
+  GNUNET_PROGRAM_run (3, argv, "test-statistics-api", "nohelp", options, &run,
+                      NULL);
+  if (0 != GNUNET_OS_process_kill (proc, GNUNET_TERM_SIG))
+  {
+    GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
+    ok = 1;
+  }
+  GNUNET_OS_process_wait (proc);
+  GNUNET_OS_process_destroy (proc);
+  proc = NULL;
+  GNUNET_free (binary);
+  if ((0 == ok) && (0 == ok2))
+    return 0;
+  return 1;
+}
+
+
+/* end of test_statistics_api_watch_zero_value.c */