1 files changed, 265 insertions, 0 deletions

diff --git a/src/contrib/service/conversation/gnunet-conversation-test.c b/src/contrib/service/conversation/gnunet-conversation-test.c
new file mode 100644
index 000000000..5e6bc805f
--- /dev/null
+++ b/src/contrib/service/conversation/gnunet-conversation-test.c
@@ -0,0 +1,265 @@
+/*
+     This file is part of GNUnet.
+     Copyright (C) 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 conversation/gnunet-conversation-test.c
+ * @brief tool to test speaker and microphone (for end users!)
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_speaker_lib.h"
+#include "gnunet_microphone_lib.h"
+
+/**
+ * How long do we record before we replay?
+ */
+#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5)
+
+
+/**
+ * A recording we made.
+ */
+struct Recording
+{
+  /**
+   * Kept in a DLL.
+   */
+  struct Recording *next;
+
+  /**
+   * Kept in a DLL.
+   */
+  struct Recording *prev;
+
+  /**
+   * Number of bytes that follow.
+   */
+  size_t size;
+};
+
+
+/**
+ * Final status code.
+ */
+static int ret;
+
+/**
+ * Handle to the microphone.
+ */
+static struct GNUNET_MICROPHONE_Handle *microphone;
+
+/**
+ * Handle to the speaker.
+ */
+static struct GNUNET_SPEAKER_Handle *speaker;
+
+/**
+ * Task scheduled to switch from recording to playback.
+ */
+static struct GNUNET_SCHEDULER_Task *switch_task;
+
+/**
+ * The shutdown task.
+ */
+static struct GNUNET_SCHEDULER_Task *st;
+
+/**
+ * Head of DLL with recorded frames.
+ */
+static struct Recording *rec_head;
+
+/**
+ * Tail of DLL with recorded frames.
+ */
+static struct Recording *rec_tail;
+
+
+/**
+ * Terminate test.
+ *
+ * @param cls NULL
+ */
+static void
+do_shutdown (void *cls)
+{
+  struct Recording *rec;
+
+  (void) cls;
+  if (NULL != switch_task)
+    GNUNET_SCHEDULER_cancel (switch_task);
+  if (NULL != microphone)
+    GNUNET_MICROPHONE_destroy (microphone);
+  if (NULL != speaker)
+    GNUNET_SPEAKER_destroy (speaker);
+  while (NULL != (rec = rec_head))
+  {
+    GNUNET_CONTAINER_DLL_remove (rec_head,
+                                 rec_tail,
+                                 rec);
+    GNUNET_free (rec);
+  }
+  fprintf (stderr,
+           _ ("\nEnd of transmission.  Have a GNU day.\n"));
+}
+
+
+/**
+ * Terminate recording process and switch to playback.
+ *
+ * @param cls NULL
+ */
+static void
+switch_to_speaker (void *cls)
+{
+  (void) cls;
+  switch_task = NULL;
+  microphone->disable_microphone (microphone->cls);
+  if (GNUNET_OK !=
+      speaker->enable_speaker (speaker->cls))
+  {
+    fprintf (stderr,
+             "Failed to enable microphone\n");
+    ret = 1;
+    GNUNET_SCHEDULER_shutdown ();
+    return;
+  }
+  fprintf (stderr,
+           _ (
+             "\new are now playing your recording back.  If you can hear it, your audio settings are working..."));
+  for (struct Recording *rec = rec_head; NULL != rec; rec = rec->next)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                "Replaying %u bytes\n",
+                (unsigned int) rec->size);
+    speaker->play (speaker->cls,
+                   rec->size,
+                   &rec[1]);
+  }
+  GNUNET_SCHEDULER_cancel (st);
+  st = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
+                                     &do_shutdown,
+                                     NULL);
+}
+
+
+/**
+ * Process recorded audio data.
+ *
+ * @param cls clsoure
+ * @param data_size number of bytes in @a data
+ * @param data audio data to play
+ */
+static void
+record (void *cls,
+        size_t data_size,
+        const void *data)
+{
+  struct Recording *rec;
+
+  (void) cls;
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Recorded %u bytes\n",
+              (unsigned int) data_size);
+  rec = GNUNET_malloc (sizeof(struct Recording) + data_size);
+  rec->size = data_size;
+  GNUNET_memcpy (&rec[1], data, data_size);
+  GNUNET_CONTAINER_DLL_insert_tail (rec_head,
+                                    rec_tail,
+                                    rec);
+}
+
+
+/**
+ * Main function that will be run by the scheduler.
+ *
+ * @param cls closure
+ * @param args remaining command-line arguments
+ * @param cfgfile name of the configuration file used (for saving, can be NULL!)
+ * @param cfg configuration
+ */
+static void
+run (void *cls,
+     char *const *args,
+     const char *cfgfile,
+     const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+  (void) cls;
+  (void) args;
+  (void) cfgfile;
+  microphone = GNUNET_MICROPHONE_create_from_hardware (cfg);
+  GNUNET_assert (NULL != microphone);
+  speaker = GNUNET_SPEAKER_create_from_hardware (cfg);
+  GNUNET_assert (NULL != speaker);
+  switch_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
+                                              &switch_to_speaker,
+                                              NULL);
+  st = GNUNET_SCHEDULER_add_shutdown (&do_shutdown,
+                                      NULL);
+  fprintf (stderr,
+           _ (
+             "We will now be recording you for %s. After that time, the recording will be played back to you..."),
+           GNUNET_STRINGS_relative_time_to_string (TIMEOUT, GNUNET_YES));
+  if (GNUNET_OK !=
+      microphone->enable_microphone (microphone->cls,
+                                     &record, NULL))
+  {
+    fprintf (stderr,
+             "Failed to enable microphone\n");
+    ret = 1;
+    GNUNET_SCHEDULER_shutdown ();
+    return;
+  }
+}
+
+
+/**
+ * The main function of our code to test microphone and speaker.
+ *
+ * @param argc number of arguments from the command line
+ * @param argv command line arguments
+ * @return 0 ok, 1 on error
+ */
+int
+main (int argc,
+      char *const *argv)
+{
+  static const struct GNUNET_GETOPT_CommandLineOption options[] = {
+    GNUNET_GETOPT_OPTION_END
+  };
+
+  if (GNUNET_OK !=
+      GNUNET_STRINGS_get_utf8_args (argc, argv,
+                                    &argc, &argv))
+    return 2;
+
+  ret = (GNUNET_OK ==
+         GNUNET_PROGRAM_run (argc, argv,
+                             "gnunet-conversation-test",
+                             gettext_noop ("help text"),
+                             options,
+                             &run,
+                             NULL)) ? ret : 1;
+  GNUNET_free_nz ((void *) argv);
+  return ret;
+}
+
+
+/* end of gnunet-conversation-test.c */