1 files changed, 123 insertions, 0 deletions

diff --git a/src/lib/util/test_common_logging_dummy.c b/src/lib/util/test_common_logging_dummy.c
new file mode 100644
index 000000000..7e362c683
--- /dev/null
+++ b/src/lib/util/test_common_logging_dummy.c
@@ -0,0 +1,123 @@
+/*
+     This file is part of GNUnet.
+     Copyright (C) 2008-2013 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 util/test_common_logging_dummy.c
+ * @brief dummy labrat for the testcase for the logging module (runtime
+ * log level adjustment)
+ * @author LRN
+ */
+
+#include "platform.h"
+#include "gnunet_util_lib.h"
+
+#undef GNUNET_EXTRA_LOGGING
+#define GNUNET_EXTRA_LOGGING GNUNET_YES
+
+/**
+ * Artificial delay attached to each log call that is not skipped out.
+ * This must be long enough for us to not to mistake skipped log call
+ * on a slow machine for a non-skipped one.
+ */
+#define OUTPUT_DELAY \
+  GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MICROSECONDS, 1000)
+
+static void
+my_log (void *ctx,
+        enum GNUNET_ErrorType kind,
+        const char *component,
+        const char *date,
+        const char *msg)
+{
+  (void) ctx;
+  (void) kind;
+  (void) component;
+  (void) date;
+  if (strncmp ("test-common-logging-dummy", component, 25) != 0)
+    return;
+  fprintf (stdout, "%s", msg);
+  fflush (stdout);
+}
+
+
+#if ! defined(GNUNET_CULL_LOGGING)
+static int
+expensive_func ()
+{
+  return GNUNET_NETWORK_socket_select (NULL, NULL, NULL, OUTPUT_DELAY);
+}
+
+
+#endif
+
+
+#define pr(kind, lvl)                                                         \
+  {                                                                           \
+    struct GNUNET_TIME_Absolute t1, t2;                                       \
+    t1 = GNUNET_TIME_absolute_get ();                                         \
+    GNUNET_log (kind, "L%s %d\n", lvl, expensive_func ());                    \
+    t2 = GNUNET_TIME_absolute_get ();                                         \
+    printf ("1%s %llu\n",                                                     \
+            lvl,                                                              \
+            (unsigned long long) GNUNET_TIME_absolute_get_difference (t1, t2) \
+            .rel_value_us);                                                 \
+  }
+
+#define pr2(kind, lvl)                                                        \
+  {                                                                           \
+    struct GNUNET_TIME_Absolute t1, t2;                                       \
+    t1 = GNUNET_TIME_absolute_get ();                                         \
+    GNUNET_log (kind, "L%s %d\n", lvl, expensive_func ());                    \
+    t2 = GNUNET_TIME_absolute_get ();                                         \
+    printf ("2%s %llu\n",                                                     \
+            lvl,                                                              \
+            (unsigned long long) GNUNET_TIME_absolute_get_difference (t1, t2) \
+            .rel_value_us);                                                 \
+  }
+
+
+int
+main (int argc, char *argv[])
+{
+  (void) argc;
+  (void) argv;
+  /* We set up logging with NULL level - will be overridden by
+   * GNUNET_LOG or GNUNET_FORCE_LOG at runtime.
+   */
+  GNUNET_log_setup ("test-common-logging-dummy", NULL, "/dev/null");
+  GNUNET_logger_add (&my_log, NULL);
+  pr (GNUNET_ERROR_TYPE_ERROR, "ERROR");
+  pr (GNUNET_ERROR_TYPE_WARNING, "WARNING");
+  pr (GNUNET_ERROR_TYPE_INFO, "INFO");
+  pr (GNUNET_ERROR_TYPE_DEBUG, "DEBUG");
+
+  /* We set up logging with WARNING level - will onle be overridden by
+   * GNUNET_FORCE_LOG at runtime.
+   */
+  GNUNET_log_setup ("test-common-logging-dummy", "WARNING", "/dev/null");
+  pr2 (GNUNET_ERROR_TYPE_ERROR, "ERROR");
+  pr2 (GNUNET_ERROR_TYPE_WARNING, "WARNING");
+  pr2 (GNUNET_ERROR_TYPE_INFO, "INFO");
+  pr2 (GNUNET_ERROR_TYPE_DEBUG, "DEBUG");
+  return 0;
+} /* end of main */
+
+
+/* end of test_common_logging_dummy.c */