1 files changed, 215 insertions, 0 deletions

diff --git a/src/transport/test_transport_api_restart_reconnect.c b/src/transport/test_transport_api_restart_reconnect.c
new file mode 100644
index 000000000..6fd969918
--- /dev/null
+++ b/src/transport/test_transport_api_restart_reconnect.c
@@ -0,0 +1,215 @@
+/*
+     This file is part of GNUnet.
+     Copyright (C) 2009, 2010, 2015, 2016 GNUnet e.V.
+
+     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., 51 Franklin Street, Fifth Floor,
+     Boston, MA 02110-1301, USA.
+*/
+/**
+ * @file transport/test_transport_api_restart_reconnect.c
+ * @brief base test case for transport implementations
+ *
+ * This test case starts 2 peers, connects and exchanges a message.
+ * Then, 1 or 2 peers are restarted and it is tested if peers reconnect.
+ * How many peers are restarted is determined by the name of the binary.
+ */
+#include "platform.h"
+#include "gnunet_transport_service.h"
+#include "transport-testing.h"
+
+/**
+ * How long until we give up on transmitting the message?
+ */
+#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 30)
+
+
+static struct GNUNET_TRANSPORT_TESTING_ConnectCheckContext *ccc;
+
+static struct GNUNET_ATS_ConnectivitySuggestHandle *ats_sh;
+
+static int p1_connected;
+
+static int p2_connected;
+
+static int restarted;
+
+
+static void
+custom_shutdown (void *cls)
+{
+  if (NULL != ats_sh)
+  {
+    GNUNET_ATS_connectivity_suggest_cancel (ats_sh);
+    ats_sh = NULL;
+  }
+}
+
+
+static void
+restart_cb (struct GNUNET_TRANSPORT_TESTING_PeerContext *p,
+            void *cls)
+{
+  static unsigned int c;
+
+  c++;
+  if ( (2 != c) &&
+       (NULL != strstr (ccc->test_name,
+                        "2peers")) )
+    return;
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Restarted peer %u (`%s'), issuing reconnect\n",
+              p->no,
+              GNUNET_i2s (&p->id));
+  ats_sh = GNUNET_ATS_connectivity_suggest (p->ats,
+                                            &ccc->p[1]->id,
+                                            1);
+}
+
+
+static void
+restart (struct GNUNET_TRANSPORT_TESTING_PeerContext *p)
+{
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Restarting peer %u (`%s')\n",
+              p->no,
+              GNUNET_i2s (&p->id));
+  GNUNET_assert (GNUNET_OK ==
+                 GNUNET_TRANSPORT_TESTING_restart_peer (p,
+                                                        &restart_cb,
+                                                        p));
+}
+
+
+static void
+notify_receive (void *cls,
+                struct GNUNET_TRANSPORT_TESTING_PeerContext *receiver,
+                const struct GNUNET_PeerIdentity *sender,
+                const struct GNUNET_MessageHeader *message)
+{
+  {
+    char *ps = GNUNET_strdup (GNUNET_i2s (&receiver->id));
+
+    GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+                "Peer %u (`%s') received message of type %d and size %u size from peer %s!\n",
+                receiver->no,
+                ps,
+                ntohs (message->type),
+                ntohs (message->size),
+                GNUNET_i2s (sender));
+    GNUNET_free (ps);
+  }
+  if ( (GNUNET_TRANSPORT_TESTING_SIMPLE_MTYPE == ntohs (message->type)) &&
+       (sizeof (struct GNUNET_TRANSPORT_TESTING_TestMessage) == ntohs (message->size)) )
+  {
+    if (GNUNET_NO == restarted)
+    {
+      restarted = GNUNET_YES;
+      fprintf (stderr, "TN: %s\n", ccc->test_name);
+      restart (ccc->p[0]);
+      if (NULL != strstr (ccc->test_name,
+                          "2peers"))
+        restart (ccc->p[1]);
+      return;
+    }
+    else
+    {
+      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                  "Restarted peers connected and message was sent, stopping test...\n");
+      ccc->global_ret = GNUNET_OK;
+      GNUNET_SCHEDULER_shutdown ();
+    }
+  }
+  else
+  {
+    GNUNET_break (0);
+    ccc->global_ret = GNUNET_SYSERR;
+    GNUNET_SCHEDULER_shutdown ();    
+  }
+}
+
+
+static void
+notify_connect (void *cls,
+                struct GNUNET_TRANSPORT_TESTING_PeerContext *me,
+                const struct GNUNET_PeerIdentity *other)
+{
+  static struct GNUNET_TRANSPORT_TESTING_SendClosure sc = {
+    .num_messages = 1
+  };
+
+  sc.ccc = ccc;
+  GNUNET_TRANSPORT_TESTING_log_connect (cls,
+                                        me,
+                                        other);
+  if (me == ccc->p[0])
+    p1_connected = GNUNET_YES;
+  if (me == ccc->p[1])
+    p2_connected = GNUNET_YES;
+
+  if ( (GNUNET_YES == restarted) &&
+       (GNUNET_YES == p1_connected) &&
+       (GNUNET_YES == p2_connected) )
+  {
+    /* Peer was restarted and we received 3 connect messages (2 from first connect, 1 from reconnect) */
+    GNUNET_SCHEDULER_add_now (&GNUNET_TRANSPORT_TESTING_simple_send,
+                              &sc);
+  }
+}
+
+
+static void
+notify_disconnect (void *cls,
+                   struct GNUNET_TRANSPORT_TESTING_PeerContext *me,
+                   const struct GNUNET_PeerIdentity *other)
+{
+  GNUNET_TRANSPORT_TESTING_log_disconnect (cls,
+                                           me,
+                                           other);
+  if (me == ccc->p[0])
+    p1_connected = GNUNET_NO;
+  if (me == ccc->p[1])
+    p2_connected = GNUNET_NO;
+}
+
+
+int
+main (int argc,
+      char *argv[])
+{
+  struct GNUNET_TRANSPORT_TESTING_SendClosure sc = {
+    .num_messages = 1
+  };
+  struct GNUNET_TRANSPORT_TESTING_ConnectCheckContext my_ccc = {
+    .connect_continuation = &GNUNET_TRANSPORT_TESTING_simple_send,
+    .connect_continuation_cls = &sc,
+    .config_file = "test_transport_api_data.conf",
+    .rec = &notify_receive,
+    .nc = &notify_connect,
+    .nd = &notify_disconnect,
+    .shutdown_task = &custom_shutdown,
+    .timeout = TIMEOUT
+  };
+
+  ccc = &my_ccc;
+  sc.ccc = ccc;
+  if (GNUNET_OK !=
+      GNUNET_TRANSPORT_TESTING_main (2,
+                                     &GNUNET_TRANSPORT_TESTING_connect_check,
+                                     ccc))
+    return 1;
+  return 0;
+}
+
+/* end of test_transport_api_restart_1peer.c */