testcase for hostlist learning

diff --git a/src/hostlist/test_gnunet_daemon_hostlist_learning.c b/src/hostlist/test_gnunet_daemon_hostlist_learning.c
new file mode 100644 (file)
index 0000000..c468623
--- /dev/null
+++ b/src/hostlist/test_gnunet_daemon_hostlist_learning.c
@@ -0,0 +1,283 @@
+/*
+     This file is part of GNUnet
+     (C) 2009 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 2, 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 hostlist/test_gnunet_daemon_hostlist_learning.c
+ * @brief test for gnunet_daemon_hostslist.c
+ * @author Christian Grothoff, Matthias Wachs
+ */
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_arm_service.h"
+#include "gnunet_transport_service.h"
+
+
+#define START_ARM GNUNET_YES
+
+#define VERBOSE GNUNET_NO
+
+/**
+ * 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_Handle *sched;
+
+static GNUNET_SCHEDULER_TaskIdentifier timeout_task;
+    
+struct PeerContext
+{
+  struct GNUNET_CONFIGURATION_Handle *cfg;
+  struct GNUNET_TRANSPORT_Handle *th;
+  struct GNUNET_MessageHeader *hello;
+  struct GNUNET_ARM_Handle *arm;
+#if START_ARM
+  pid_t arm_pid;
+#endif
+};
+
+static struct PeerContext p1;
+
+static struct PeerContext p2;
+
+
+static void
+clean_up (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  if (p1.th != NULL)
+    {
+      GNUNET_TRANSPORT_disconnect (p1.th);
+      p1.th = NULL;
+    }
+  if (p2.th != NULL)
+    {
+      GNUNET_TRANSPORT_disconnect (p2.th);
+      p2.th = NULL;
+    }
+  GNUNET_SCHEDULER_shutdown (sched);
+}
+
+/**
+ * Timeout, give up.
+ */
+static void
+timeout_error (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  timeout_task = GNUNET_SCHEDULER_NO_TASK;
+  GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+             "Timeout trying to connect peers, test failed.\n");
+  clean_up (NULL, tc);
+}
+
+
+/**
+ * Function called to notify transport users that another
+ * peer connected to us.
+ *
+ * @param cls closure
+ * @param peer the peer that connected
+ * @param latency current latency of the connection
+ * @param distance in overlay hops, as given by transport plugin
+ */
+static void
+notify_connect (void *cls,
+               const struct GNUNET_PeerIdentity * peer,
+               struct GNUNET_TIME_Relative latency,
+               unsigned int distance)
+{
+  if (peer == NULL)
+    return;
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+             "Peers connected, shutting down.\n");
+  ok = 0;
+  if (timeout_task != GNUNET_SCHEDULER_NO_TASK)
+    {
+      GNUNET_SCHEDULER_cancel (sched,
+                              timeout_task);
+      timeout_task = GNUNET_SCHEDULER_NO_TASK;
+    }
+  GNUNET_SCHEDULER_add_now (sched,
+                           &clean_up, NULL);
+}
+
+
+static void
+process_hello (void *cls,
+               const struct GNUNET_MessageHeader *message)
+{
+  struct PeerContext *p = cls;
+
+  GNUNET_TRANSPORT_get_hello_cancel (p->th, &process_hello, p);
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+             "Received HELLO, starting hostlist service.\n");
+  GNUNET_ARM_start_services (p->cfg, sched, "hostlist", NULL);
+}
+
+
+static void
+setup_peer (struct PeerContext *p, const char *cfgname)
+{
+  p->cfg = GNUNET_CONFIGURATION_create ();
+#if START_ARM
+  p->arm_pid = GNUNET_OS_start_process (NULL, NULL, "gnunet-service-arm",
+                                        "gnunet-service-arm",
+#if VERBOSE
+                                        "-L", "DEBUG",
+#endif
+                                        "-c", cfgname, NULL);
+#endif
+  GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
+  GNUNET_ARM_start_services (p->cfg, sched, "core", NULL);
+  p->th = GNUNET_TRANSPORT_connect (sched, p->cfg, p, NULL, 
+                                   &notify_connect, NULL);
+  GNUNET_assert (p->th != NULL);
+  GNUNET_TRANSPORT_get_hello (p->th, &process_hello, p);
+}
+
+
+static void
+waitpid_task (void *cls, 
+             const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  struct PeerContext *p = cls;
+
+#if START_ARM 
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+             "Killing ARM process.\n");
+  if (0 != PLIBC_KILL (p->arm_pid, SIGTERM))
+    GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
+  if (GNUNET_OS_process_wait(p->arm_pid) != GNUNET_OK)
+    GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid");
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "ARM process %u stopped\n", p->arm_pid);
+#endif
+  GNUNET_CONFIGURATION_destroy (p->cfg);
+}
+
+
+static void
+stop_cb (void *cls, 
+        int success)
+{
+  struct PeerContext *p = cls;
+
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+             success 
+             ? "ARM stopped core service\n" 
+             : "ARM failed to stop core service\n");
+  GNUNET_ARM_disconnect (p->arm);
+  p->arm = NULL;
+  /* make sure this runs after all other tasks are done */
+  GNUNET_SCHEDULER_add_delayed (sched,
+                               GNUNET_TIME_UNIT_SECONDS,
+                               &waitpid_task, p);
+}
+
+
+static void
+stop_arm (struct PeerContext *p)
+{
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+             "Asking ARM to stop core service\n");
+  p->arm = GNUNET_ARM_connect (p->cfg, sched, NULL);
+  GNUNET_ARM_stop_service (p->arm, "core", GNUNET_TIME_UNIT_SECONDS,
+                          &stop_cb, p);
+}
+
+
+/**
+ * Try again to connect to transport service.
+ */
+static void
+shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  stop_arm (&p1);
+  stop_arm (&p2);
+}
+
+
+static void
+run (void *cls,
+     struct GNUNET_SCHEDULER_Handle *s,
+     char *const *args,
+     const char *cfgfile, 
+     const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+  GNUNET_assert (ok == 1);
+  ok++;
+  sched = s;
+
+  timeout_task = GNUNET_SCHEDULER_add_delayed (sched,
+                                              TIMEOUT,
+                                              &timeout_error,
+                                              NULL);
+  GNUNET_SCHEDULER_add_delayed (sched,
+                               GNUNET_TIME_UNIT_FOREVER_REL,
+                               &shutdown_task,
+                               NULL);
+  setup_peer (&p1, "learning_peer1.conf");
+  setup_peer (&p2, "learning_peer2.conf");
+}
+
+
+static int
+check ()
+{
+  char *const argv[] = { "test_gnunet_daemon_hostlist_learning",
+    "-c", "learning_data.conf",
+#if VERBOSE
+    "-L", "DEBUG",
+#endif
+    NULL
+  };
+  struct GNUNET_GETOPT_CommandLineOption options[] = {
+    GNUNET_GETOPT_OPTION_END
+  };
+  ok = 1;
+  GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
+                      argv, "test_gnunet_daemon_hostlist_learning",
+                     "nohelp", options, &run, &ok);
+
+  return ok;
+}
+
+
+int
+main (int argc, char *argv[])
+{
+  
+  int ret;
+  GNUNET_DISK_directory_remove ("/tmp/test-gnunetd-hostlist-peer-1");
+  GNUNET_DISK_directory_remove ("/tmp/test-gnunetd-hostlist-peer-2");
+  GNUNET_log_setup ("test-gnunet-daemon-hostlist_learning",
+#if VERBOSE
+                    "DEBUG",
+#else
+                    "WARNING",
+#endif
+                    NULL);
+  ret = check ();
+  GNUNET_DISK_directory_remove ("/tmp/test-gnunetd-hostlist-peer-1");
+  GNUNET_DISK_directory_remove ("/tmp/test-gnunetd-hostlist-peer-2");
+  return ret; 
+}
+
+/* end of test_gnunet_daemon_hostlist.c */