1 files changed, 263 insertions, 0 deletions

diff --git a/src/service/hostlist/test_gnunet_daemon_hostlist_reconnect.c b/src/service/hostlist/test_gnunet_daemon_hostlist_reconnect.c
new file mode 100644
index 000000000..321f96f3d
--- /dev/null
+++ b/src/service/hostlist/test_gnunet_daemon_hostlist_reconnect.c
@@ -0,0 +1,263 @@
+/*
+     This file is part of GNUnet
+     Copyright (C) 2010, 2016 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 hostlist/test_gnunet_daemon_hostlist_reconnect.c
+ * @brief test for gnunet-daemon-hostslist.c; tries to re-start the peers
+ *        and connect a second time
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_arm_service.h"
+#include "gnunet_transport_service.h"
+#include "gnunet_transport_hello_service.h"
+
+/**
+ * How long until we give up on transmitting the message?
+ */
+#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 150)
+
+static int ok;
+
+static struct GNUNET_SCHEDULER_Task *timeout_task;
+
+struct PeerContext
+{
+  struct GNUNET_CONFIGURATION_Handle *cfg;
+  struct GNUNET_TRANSPORT_CoreHandle *th;
+  struct GNUNET_MessageHeader *hello;
+  struct GNUNET_TRANSPORT_HelloGetHandle *ghh;
+  struct GNUNET_OS_Process *arm_proc;
+};
+
+static struct PeerContext p1;
+
+static struct PeerContext p2;
+
+
+/**
+ * Timeout, give up.
+ */
+static void
+timeout_error (void *cls)
+{
+  timeout_task = NULL;
+  GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+              "Timeout trying to connect peers, test failed.\n");
+  GNUNET_SCHEDULER_shutdown ();
+}
+
+
+/**
+ * Function called to notify transport users that another
+ * peer connected to us.
+ *
+ * @param cls closure
+ * @param peer the peer that connected
+ * @param mq message queue to send to @a peer
+ * @return NULL
+ */
+static void *
+notify_connect (void *cls,
+                const struct GNUNET_PeerIdentity *peer,
+                struct GNUNET_MQ_Handle *mq)
+{
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peers connected, shutting down.\n");
+  ok = 0;
+  GNUNET_SCHEDULER_shutdown ();
+  return NULL;
+}
+
+
+static void
+process_hello (void *cls, const struct GNUNET_MessageHeader *message)
+{
+  struct PeerContext *p = cls;
+
+  GNUNET_TRANSPORT_hello_get_cancel (p->ghh);
+  p->ghh = NULL;
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Received HELLO, starting hostlist service.\n");
+}
+
+
+static void
+setup_peer (struct PeerContext *p, const char *cfgname)
+{
+  char *binary;
+
+  binary = GNUNET_OS_get_libexec_binary_path ("gnunet-service-arm");
+  p->cfg = GNUNET_CONFIGURATION_create ();
+  p->arm_proc = GNUNET_OS_start_process (GNUNET_OS_INHERIT_STD_OUT_AND_ERR
+                                         | GNUNET_OS_USE_PIPE_CONTROL,
+                                         NULL,
+                                         NULL,
+                                         NULL,
+                                         binary,
+                                         "gnunet-service-arm",
+                                         "-c",
+                                         cfgname,
+                                         NULL);
+  GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
+  p->th = GNUNET_TRANSPORT_core_connect (p->cfg,
+                                         NULL,
+                                         NULL,
+                                         p,
+                                         &notify_connect,
+                                         NULL,
+                                         NULL);
+  GNUNET_assert (NULL != p->th);
+  p->ghh = GNUNET_TRANSPORT_hello_get (p->cfg,
+                                       GNUNET_TRANSPORT_AC_ANY,
+                                       &process_hello,
+                                       p);
+  GNUNET_free (binary);
+}
+
+
+static void
+waitpid_task (void *cls)
+{
+  struct PeerContext *p = cls;
+
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Killing ARM process.\n");
+  if (0 != GNUNET_OS_process_kill (p->arm_proc, GNUNET_TERM_SIG))
+    GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
+  if (GNUNET_OK != GNUNET_OS_process_wait (p->arm_proc))
+    GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid");
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "ARM process %u stopped\n",
+              GNUNET_OS_process_get_pid (p->arm_proc));
+  GNUNET_OS_process_destroy (p->arm_proc);
+  p->arm_proc = NULL;
+  GNUNET_CONFIGURATION_destroy (p->cfg);
+}
+
+
+static void
+stop_arm (struct PeerContext *p)
+{
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Asking ARM to stop core service\n");
+  GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &waitpid_task, p);
+}
+
+
+/**
+ * Try again to connect to transport service.
+ */
+static void
+shutdown_task (void *cls)
+{
+  if (NULL != timeout_task)
+  {
+    GNUNET_SCHEDULER_cancel (timeout_task);
+    timeout_task = NULL;
+  }
+  if (NULL != p1.ghh)
+  {
+    GNUNET_TRANSPORT_hello_get_cancel (p1.ghh);
+    p1.ghh = NULL;
+  }
+  if (NULL != p1.th)
+  {
+    GNUNET_TRANSPORT_core_disconnect (p1.th);
+    p1.th = NULL;
+  }
+  if (NULL != p2.ghh)
+  {
+    GNUNET_TRANSPORT_hello_get_cancel (p2.ghh);
+    p2.ghh = NULL;
+  }
+  if (NULL != p2.th)
+  {
+    GNUNET_TRANSPORT_core_disconnect (p2.th);
+    p2.th = NULL;
+  }
+  stop_arm (&p1);
+  stop_arm (&p2);
+}
+
+
+static void
+run (void *cls,
+     char *const *args,
+     const char *cfgfile,
+     const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+  GNUNET_assert (ok == 1);
+  ok++;
+  timeout_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &timeout_error, NULL);
+  GNUNET_SCHEDULER_add_shutdown (&shutdown_task, NULL);
+  setup_peer (&p1, "test_gnunet_daemon_hostlist_peer1.conf");
+  setup_peer (&p2, "test_gnunet_daemon_hostlist_peer2.conf");
+}
+
+
+int
+main (int argcx, char *argvx[])
+{
+  static char *const argv[] = { "test-gnunet-daemon-hostlist",
+                                "-c",
+                                "test_gnunet_daemon_hostlist_data.conf",
+                                NULL };
+  static struct GNUNET_GETOPT_CommandLineOption options[] = {
+    GNUNET_GETOPT_OPTION_END
+  };
+
+  GNUNET_DISK_purge_cfg_dir ("test_gnunet_daemon_hostlist_peer1.conf",
+                             "GNUNET_TEST_HOME");
+  GNUNET_DISK_purge_cfg_dir ("test_gnunet_daemon_hostlist_peer2.conf",
+                             "GNUNET_TEST_HOME");
+  GNUNET_DISK_purge_cfg_dir ("test_gnunet_daemon_hostlist_data.conf",
+                             "GNUNET_TEST_HOME");
+  GNUNET_log_setup ("test-gnunet-daemon-hostlist", "WARNING", NULL);
+  ok = 1;
+  GNUNET_PROGRAM_run ((sizeof(argv) / sizeof(char *)) - 1,
+                      argv,
+                      "test-gnunet-daemon-hostlist",
+                      "nohelp",
+                      options,
+                      &run,
+                      &ok);
+  if (0 == ok)
+  {
+    fprintf (stderr, "%s", ".");
+    /* now do it again */
+    ok = 1;
+    GNUNET_PROGRAM_run ((sizeof(argv) / sizeof(char *)) - 1,
+                        argv,
+                        "test-gnunet-daemon-hostlist",
+                        "nohelp",
+                        options,
+                        &run,
+                        &ok);
+    fprintf (stderr, "%s", ".\n");
+  }
+  GNUNET_DISK_purge_cfg_dir ("test_gnunet_daemon_hostlist_peer1.conf",
+                             "GNUNET_TEST_HOME");
+  GNUNET_DISK_purge_cfg_dir ("test_gnunet_daemon_hostlist_peer2.conf",
+                             "GNUNET_TEST_HOME");
+  GNUNET_DISK_purge_cfg_dir ("test_gnunet_daemon_hostlist_data.conf",
+                             "GNUNET_TEST_HOME");
+  return ok;
+}
+
+
+/* end of test_gnunet_daemon_hostlist_reconnect.c */