1 files changed, 329 insertions, 0 deletions

diff --git a/src/cadet/test_cadet_single.c b/src/cadet/test_cadet_single.c
new file mode 100644
index 000000000..3780c745c
--- /dev/null
+++ b/src/cadet/test_cadet_single.c
@@ -0,0 +1,329 @@
+/*
+     This file is part of GNUnet.
+     (C) 2011 Christian Grothoff (and other contributing authors)
+
+     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 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.
+
+     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.
+*/
+
+/**
+ * @file cadet/test_cadet_single.c
+ * @brief test cadet single: test of cadet channels with just one client
+ * @author Bartlomiej Polot
+ */
+
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_dht_service.h"
+#include "gnunet_testing_lib.h"
+#include "gnunet_cadet_service.h"
+
+#define REPETITIONS 5
+#define DATA_SIZE 35000
+
+struct GNUNET_TESTING_Peer *me;
+
+static struct GNUNET_CADET_Handle *cadet;
+
+static struct GNUNET_CADET_Channel *ch1;
+
+static struct GNUNET_CADET_Channel *ch2;
+
+static int result;
+
+static GNUNET_SCHEDULER_TaskIdentifier abort_task;
+
+static GNUNET_SCHEDULER_TaskIdentifier shutdown_task;
+
+static unsigned int repetition;
+
+
+/* forward declaration */
+static size_t
+do_send (void *cls, size_t size, void *buf);
+
+
+/**
+ * Shutdown nicely
+ */
+static void
+do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "shutdown\n");
+  if (GNUNET_SCHEDULER_NO_TASK != abort_task)
+  {
+    GNUNET_SCHEDULER_cancel (abort_task);
+  }
+  if (NULL != ch1)
+  {
+    GNUNET_CADET_channel_destroy (ch1);
+  }
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Disconnect client 1\n");
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Disconnect client 2\n");
+  if (NULL != cadet)
+  {
+    GNUNET_CADET_disconnect (cadet);
+    cadet = NULL;
+  }
+  else
+  {
+    GNUNET_break (0);
+  }
+}
+
+
+/**
+ * Something went wrong and timed out. Kill everything and set error flag
+ */
+static void
+do_abort (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "ABORT\n");
+  result = GNUNET_SYSERR;
+  abort_task = GNUNET_SCHEDULER_NO_TASK;
+  if (GNUNET_SCHEDULER_NO_TASK != shutdown_task)
+  {
+    GNUNET_SCHEDULER_cancel (shutdown_task);
+    shutdown_task = GNUNET_SCHEDULER_NO_TASK;
+  }
+  do_shutdown (cls, tc);
+}
+
+
+static void
+finish (void)
+{
+  if (GNUNET_SCHEDULER_NO_TASK != shutdown_task)
+    GNUNET_SCHEDULER_cancel (shutdown_task);
+  shutdown_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS,
+                                                &do_shutdown, NULL);
+}
+
+
+/**
+ * Function is called whenever a message is received.
+ *
+ * @param cls closure (set from GNUNET_CADET_connect)
+ * @param channel connection to the other end
+ * @param channel_ctx place to store local state associated with the channel
+ * @param message the actual message
+ *
+ * @return GNUNET_OK to keep the connection open,
+ *         GNUNET_SYSERR to close it (signal serious error)
+ */
+static int
+data_callback (void *cls, struct GNUNET_CADET_Channel *channel,
+               void **channel_ctx,
+               const struct GNUNET_MessageHeader *message)
+{
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Data callback! Repetition %u/%u\n",
+              repetition, REPETITIONS);
+  repetition = repetition + 1;
+  if (repetition < REPETITIONS)
+  {
+    struct GNUNET_CADET_Channel *my_channel;
+    if (repetition % 2 == 0)
+      my_channel = ch1;
+    else
+      my_channel = ch2;
+    GNUNET_CADET_notify_transmit_ready (my_channel, GNUNET_NO,
+                                       GNUNET_TIME_UNIT_FOREVER_REL,
+                                       sizeof (struct GNUNET_MessageHeader)
+                                       + DATA_SIZE,
+                                       &do_send, NULL);
+    GNUNET_CADET_receive_done (channel);
+    return GNUNET_OK;
+  }
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "All data OK. Destroying channel.\n");
+  GNUNET_CADET_channel_destroy (ch1);
+  ch1 = NULL;
+  return GNUNET_OK;
+}
+
+
+/**
+ * Method called whenever another peer has added us to a channel
+ * the other peer initiated.
+ *
+ * @param cls closure
+ * @param channel new handle to the channel
+ * @param initiator peer that started the channel
+ * @param port port number
+ * @param options channel option flags
+ * @return initial channel context for the channel
+ *         (can be NULL -- that's not an error)
+ */
+static void *
+inbound_channel (void *cls, struct GNUNET_CADET_Channel *channel,
+                const struct GNUNET_PeerIdentity *initiator,
+                uint32_t port, enum GNUNET_CADET_ChannelOption options)
+{
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "received incoming channel on port %u\n",
+              port);
+  ch2 = channel;
+  return NULL;
+}
+
+
+/**
+ * Function called whenever an inbound channel is destroyed.  Should clean up
+ * any associated state.
+ *
+ * @param cls closure (set from GNUNET_CADET_connect)
+ * @param channel connection to the other end (henceforth invalid)
+ * @param channel_ctx place where local state associated
+ *                   with the channel is stored
+ */
+static void
+channel_end (void *cls, const struct GNUNET_CADET_Channel *channel,
+             void *channel_ctx)
+{
+  long id = (long) cls;
+
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "incoming channel closed at peer %ld\n",
+              id);
+  if (REPETITIONS == repetition && channel == ch2)
+  {
+    ch2 = NULL;
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "everything fine! finishing!\n");
+    result = GNUNET_OK;
+    finish ();
+  }
+}
+
+
+/**
+ * Handler array for traffic received on peer1
+ */
+static struct GNUNET_CADET_MessageHandler handlers1[] = {
+  {&data_callback, 1, 0},
+  {NULL, 0, 0}
+};
+
+
+/**
+ * Data send callback: fillbuffer with test packet.
+ *
+ * @param cls Closure (unused).
+ * @param size Buffer size.
+ * @param buf Buffer to fill.
+ *
+ * @return size of test packet.
+ */
+static size_t
+do_send (void *cls, size_t size, void *buf)
+{
+  struct GNUNET_MessageHeader *m = buf;
+
+  if (NULL == buf)
+  {
+    GNUNET_break (0);
+    result = GNUNET_SYSERR;
+    return 0;
+  }
+  m->size = htons (sizeof (struct GNUNET_MessageHeader));
+  m->type = htons (1);
+  memset (&m[1], 0, DATA_SIZE);
+  GNUNET_assert (size >= sizeof (struct GNUNET_MessageHeader) + DATA_SIZE);
+  return sizeof (struct GNUNET_MessageHeader) + DATA_SIZE;
+}
+
+/**
+ * Connect to other client and send data
+ *
+ * @param cls Closue (unused).
+ * @param tc TaskContext.
+ */
+static void
+do_connect (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  struct GNUNET_PeerIdentity id;
+  size_t size = sizeof (struct GNUNET_MessageHeader) + DATA_SIZE;
+
+  if ((GNUNET_SCHEDULER_REASON_SHUTDOWN & tc->reason) != 0)
+    return;
+
+  GNUNET_TESTING_peer_get_identity (me, &id);
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "CONNECT BY PORT\n");
+  ch1 = GNUNET_CADET_channel_create (cadet, NULL, &id, 1,
+                                    GNUNET_CADET_OPTION_DEFAULT);
+  GNUNET_CADET_notify_transmit_ready (ch1, GNUNET_NO,
+                                     GNUNET_TIME_UNIT_FOREVER_REL,
+                                     size, &do_send, NULL);
+}
+
+
+/**
+ * Initialize framework and start test
+ *
+ * @param cls Closure (unused).
+ * @param cfg Configuration handle.
+ * @param peer Testing peer handle.
+ */
+static void
+run (void *cls,
+     const struct GNUNET_CONFIGURATION_Handle *cfg,
+     struct GNUNET_TESTING_Peer *peer)
+{
+  static uint32_t ports[] = {1, 0};
+
+  me = peer;
+  abort_task =
+      GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_relative_multiply
+                                    (GNUNET_TIME_UNIT_SECONDS, 15), &do_abort,
+                                    NULL);
+  cadet = GNUNET_CADET_connect (cfg,       /* configuration */
+                              (void *) 1L,     /* cls */
+                              &inbound_channel,   /* inbound new hndlr */
+                              &channel_end,      /* inbound end hndlr */
+                              handlers1, /* traffic handlers */
+                              ports);     /* ports offered */
+
+  if (NULL == cadet)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Couldn't connect to cadet :(\n");
+    result = GNUNET_SYSERR;
+    return;
+  }
+  else
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "YAY! CONNECTED TO CADET :D\n");
+  }
+  GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &do_connect, NULL);
+}
+
+
+/**
+ * Main
+ */
+int
+main (int argc, char *argv[])
+{
+  result = GNUNET_NO;
+  if (0 != GNUNET_TESTING_peer_run ("test-cadet-local",
+                                    "test_cadet.conf",
+                                    &run, NULL))
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "run failed\n");
+    return 2;
+  }
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Final result: %d\n", result);
+  return (result == GNUNET_OK) ? 0 : 1;
+}
+
+/* end of test_cadet_single.c */