1 files changed, 368 insertions, 0 deletions

diff --git a/src/core/test_core_api.c b/src/core/test_core_api.c
new file mode 100644
index 000000000..e1b3dcd0d
--- /dev/null
+++ b/src/core/test_core_api.c
@@ -0,0 +1,368 @@
+/*
+     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 transport/test_core_api.c
+ * @brief testcase for core_api.c
+ *
+ * FIXME:
+ * - make sure connect callback is invoked properly as well!
+ */
+#include "platform.h"
+#include "gnunet_common.h"
+#include "gnunet_arm_service.h"
+#include "gnunet_core_service.h"
+#include "gnunet_getopt_lib.h"
+#include "gnunet_os_lib.h"
+#include "gnunet_program_lib.h"
+#include "gnunet_scheduler_lib.h"
+#include "gnunet_transport_service.h"
+
+#define VERBOSE GNUNET_NO
+
+#define START_ARM GNUNET_YES
+
+
+/**
+ * How long until we give up on transmitting the message?
+ */
+#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 15)
+
+#define MTYPE 12345
+
+struct PeerContext
+{
+  struct GNUNET_CONFIGURATION_Handle *cfg;
+  struct GNUNET_CORE_Handle *ch;
+  struct GNUNET_PeerIdentity id;        /* FIXME: this is always all-zeros! */
+  struct GNUNET_TRANSPORT_Handle *th;
+  struct GNUNET_MessageHeader *hello;
+#if START_ARM
+  pid_t arm_pid;
+#endif
+};
+
+static struct PeerContext p1;
+
+static struct PeerContext p2;
+
+static struct GNUNET_SCHEDULER_Handle *sched;
+
+static int ok;
+
+#if VERBOSE
+#define OKPP do { ok++; fprintf (stderr, "Now at stage %u at %s:%u\n", ok, __FILE__, __LINE__); } while (0)
+#else
+#define OKPP do { ok++; } while (0)
+#endif
+
+
+
+static void
+terminate_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  GNUNET_assert (ok == 6);
+  GNUNET_CORE_disconnect (p1.ch);
+  GNUNET_CORE_disconnect (p2.ch);
+  GNUNET_TRANSPORT_disconnect (p1.th);
+  GNUNET_TRANSPORT_disconnect (p2.th);
+  GNUNET_ARM_stop_service ("core", p1.cfg, sched, TIMEOUT, NULL, NULL);
+  GNUNET_ARM_stop_service ("core", p2.cfg, sched, TIMEOUT, NULL, NULL);
+  ok = 0;
+}
+
+
+static void
+connect_notify (void *cls,
+                const struct GNUNET_PeerIdentity *peer,
+                unsigned int bpm, struct GNUNET_TIME_Absolute last_activity)
+{
+  GNUNET_assert ((ok == 5) || (ok == 6));
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Encrypted connection established to peer `%4s' (%u bpm)\n",
+              GNUNET_i2s (peer), bpm);
+}
+
+
+static void
+disconnect_notify (void *cls,
+                   const struct GNUNET_PeerIdentity *peer,
+                   unsigned int bpm,
+                   struct GNUNET_TIME_Absolute last_activity)
+{
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Encrypted connection to `%4s' cut\n", GNUNET_i2s (peer));
+}
+
+
+static unsigned int
+bfc_callback (void *cls,
+              const struct GNUNET_PeerIdentity *receiver,
+              void *position, unsigned int padding)
+{
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Core requests data for `%4s', I have none.\n",
+              GNUNET_i2s (receiver));
+  return 0;
+}
+
+
+static int
+inbound_notify (void *cls,
+                const struct GNUNET_PeerIdentity *other,
+                const struct GNUNET_MessageHeader *message)
+{
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Core provides inbound data from `%4s'.\n", GNUNET_i2s (other));
+  return GNUNET_OK;
+}
+
+
+static int
+outbound_notify (void *cls,
+                 const struct GNUNET_PeerIdentity *other,
+                 const struct GNUNET_MessageHeader *message)
+{
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Core notifies about outbound data for `%4s'.\n",
+              GNUNET_i2s (other));
+  return GNUNET_OK;
+}
+
+
+static int
+process_mtype (void *cls,
+               const struct GNUNET_PeerIdentity *peer,
+               const struct GNUNET_MessageHeader *message)
+{
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Receiving message from `%4s'.\n", GNUNET_i2s (peer));
+  GNUNET_assert (ok == 5);
+  OKPP;
+  GNUNET_SCHEDULER_add_delayed (sched,
+                                GNUNET_NO,
+                                GNUNET_SCHEDULER_PRIORITY_KEEP,
+                                GNUNET_SCHEDULER_NO_PREREQUISITE_TASK,
+                                GNUNET_TIME_UNIT_ZERO, &terminate_task, NULL);
+  return GNUNET_OK;
+}
+
+
+static struct GNUNET_CORE_MessageHandler handlers[] = {
+  {&process_mtype, MTYPE, sizeof (struct GNUNET_MessageHeader)},
+  {NULL, 0, 0}
+};
+
+
+static size_t
+transmit_ready (void *cls, size_t size, void *buf)
+{
+  struct PeerContext *p = cls;
+  struct GNUNET_MessageHeader *m;
+
+  GNUNET_assert (ok == 4);
+  OKPP;
+  GNUNET_assert (p == &p1);
+  GNUNET_assert (buf != NULL);
+  m = (struct GNUNET_MessageHeader *) buf;
+  m->type = htons (MTYPE);
+  m->size = htons (sizeof (struct GNUNET_MessageHeader));
+  return sizeof (struct GNUNET_MessageHeader);
+}
+
+
+
+static void
+init_notify (void *cls,
+             struct GNUNET_CORE_Handle *server,
+             const struct GNUNET_PeerIdentity *my_identity,
+             const struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *publicKey)
+{
+  struct PeerContext *p = cls;
+
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Core connection to `%4s' established\n",
+              GNUNET_i2s (my_identity));
+  GNUNET_assert (server != NULL);
+  p->id = *my_identity;
+  p->ch = server;
+  if (cls == &p1)
+    {
+      GNUNET_assert (ok == 2);
+      OKPP;
+      /* connect p2 */
+      GNUNET_CORE_connect (sched,
+                           p2.cfg,
+                           TIMEOUT,
+                           &p2,
+                           &init_notify,
+                           &connect_notify,
+                           &disconnect_notify,
+                           &bfc_callback,
+                           &inbound_notify,
+                           GNUNET_YES,
+                           &outbound_notify, GNUNET_YES, handlers);
+    }
+  else
+    {
+      GNUNET_assert (ok == 3);
+      OKPP;
+      GNUNET_assert (cls == &p2);
+      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                  "Asking core (1) for transmission to peer `%4s'\n",
+                  GNUNET_i2s (&p2.id));
+      GNUNET_CORE_notify_transmit_ready (p1.ch,
+                                         0,
+                                         TIMEOUT,
+                                         &p2.id,
+                                         sizeof (struct GNUNET_MessageHeader),
+                                         &transmit_ready, &p1);
+
+    }
+}
+
+
+static void
+process_hello (void *cls,
+               struct GNUNET_TIME_Relative latency,
+               const struct GNUNET_PeerIdentity *peer,
+               const struct GNUNET_MessageHeader *message)
+{
+  struct PeerContext *p = cls;
+
+  GNUNET_assert (peer != NULL);
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Received (my) `%s' from transport service of `%4s'\n",
+              "HELLO", GNUNET_i2s (peer));
+  GNUNET_assert (message != NULL);
+  p->hello = GNUNET_malloc (ntohs (message->size));
+  memcpy (p->hello, message, ntohs (message->size));
+  if ((p == &p1) && (p2.th != NULL))
+    GNUNET_TRANSPORT_offer_hello (p2.th, message);
+  if ((p == &p2) && (p1.th != NULL))
+    GNUNET_TRANSPORT_offer_hello (p1.th, message);
+
+  if ((p == &p1) && (p2.hello != NULL))
+    GNUNET_TRANSPORT_offer_hello (p1.th, p2.hello);
+  if ((p == &p2) && (p1.hello != NULL))
+    GNUNET_TRANSPORT_offer_hello (p2.th, p1.hello);
+}
+
+
+
+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 ("gnunet-service-arm",
+                                        "gnunet-service-arm",
+#if VERBOSE
+                                        "-L", "DEBUG",
+#endif
+                                        "-c", cfgname, NULL);
+  sleep (1);                    /* allow ARM to start */
+#endif
+  GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
+  GNUNET_ARM_start_service ("core", p->cfg, sched, TIMEOUT, NULL, NULL);
+  p->th = GNUNET_TRANSPORT_connect (sched, p->cfg, p, NULL, NULL, NULL);
+  GNUNET_assert (p->th != NULL);
+  GNUNET_TRANSPORT_get_hello (p->th, TIMEOUT, &process_hello, p);
+}
+
+
+static void
+run (void *cls,
+     struct GNUNET_SCHEDULER_Handle *s,
+     char *const *args,
+     const char *cfgfile, struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+  GNUNET_assert (ok == 1);
+  OKPP;
+  sched = s;
+  setup_peer (&p1, "test_core_api_peer1.conf");
+  setup_peer (&p2, "test_core_api_peer2.conf");
+  GNUNET_CORE_connect (sched,
+                       p1.cfg,
+                       TIMEOUT,
+                       &p1,
+                       &init_notify,
+                       &connect_notify,
+                       &disconnect_notify,
+                       &bfc_callback,
+                       &inbound_notify,
+                       GNUNET_YES, &outbound_notify, GNUNET_YES, handlers);
+}
+
+
+static void
+stop_arm (struct PeerContext *p)
+{
+#if START_ARM
+  if (0 != PLIBC_KILL (p->arm_pid, SIGTERM))
+    GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
+  if (p->arm_pid != waitpid (p->arm_pid, NULL, 0))
+    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 int
+check ()
+{
+  char *const argv[] = { "test-core-api",
+    "-c",
+    "test_core_api_data.conf",
+#if VERBOSE
+    "-L", "DEBUG",
+#endif
+    NULL
+  };
+  struct GNUNET_GETOPT_CommandLineOption options[] = {
+    GNUNET_GETOPT_OPTION_END
+  };
+  sleep (1);
+  ok = 1;
+  GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
+                      argv, "test-core-api", "nohelp", options, &run, &ok);
+  stop_arm (&p1);
+  stop_arm (&p2);
+  return ok;
+}
+
+int
+main (int argc, char *argv[])
+{
+  int ret;
+
+  GNUNET_log_setup ("test-core-api",
+#if VERBOSE
+                    "DEBUG",
+#else
+                    "WARNING",
+#endif
+                    NULL);
+  ret = check ();
+
+  return ret;
+}
+
+/* end of test_core_api.c */