Imported Upstream version 0.9.2upstream/0.9.2

1 files changed, 538 insertions, 0 deletions

diff --git a/src/transport/test_transport_api_reliability.c b/src/transport/test_transport_api_reliability.c
new file mode 100644
index 0000000..f719a42
--- /dev/null
+++ b/src/transport/test_transport_api_reliability.c
@@ -0,0 +1,538 @@
+/*
+     This file is part of GNUnet.
+     (C) 2009, 2010 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 transport/test_transport_api_reliability.c
+ * @brief base test case for transport implementations
+ *
+ * This test case serves as a base for tcp and http
+ * transport test cases to check that the transports
+ * achieve reliable message delivery.
+ */
+#include "platform.h"
+#include "gnunet_common.h"
+#include "gnunet_hello_lib.h"
+#include "gnunet_getopt_lib.h"
+#include "gnunet_os_lib.h"
+#include "gnunet_program_lib.h"
+#include "gnunet_scheduler_lib.h"
+#include "gnunet_server_lib.h"
+#include "gnunet_transport_service.h"
+#include "gauger.h"
+#include "transport.h"
+#include "transport-testing.h"
+
+#define VERBOSE GNUNET_NO
+
+#define VERBOSE_ARM GNUNET_NO
+
+#define START_ARM GNUNET_YES
+
+/**
+ * Testcase timeout
+ */
+#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60)
+
+/**
+ * How long until we give up on transmitting the message?
+ */
+#define TIMEOUT_TRANSMIT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10)
+
+
+static char *test_source;
+
+static char *test_plugin;
+
+static char *test_name;
+
+static int ok;
+
+static GNUNET_SCHEDULER_TaskIdentifier die_task;
+
+struct PeerContext *p1;
+
+struct PeerContext *p2;
+
+struct PeerContext *sender;
+
+struct PeerContext *receiver;
+
+struct GNUNET_TRANSPORT_TransmitHandle *th;
+
+char *cfg_file_p1;
+
+char *cfg_file_p2;
+
+struct GNUNET_TRANSPORT_TESTING_handle *tth;
+
+static GNUNET_TRANSPORT_TESTING_ConnectRequest cc;
+
+
+/*
+ * Testcase specific declarations
+ */
+
+/**
+ * Note that this value must not significantly exceed
+ * 'MAX_PENDING' in 'gnunet-service-transport.c', otherwise
+ * messages may be dropped even for a reliable transport.
+ */
+#define TOTAL_MSGS (1024 * 2)
+
+#define MTYPE 12345
+
+GNUNET_NETWORK_STRUCT_BEGIN
+
+struct TestMessage
+{
+  struct GNUNET_MessageHeader header;
+  uint32_t num;
+};
+GNUNET_NETWORK_STRUCT_END
+
+static int msg_scheduled;
+static int msg_sent;
+static int msg_recv_expected;
+static int msg_recv;
+
+static int test_failed;
+static int test_connected;
+
+static unsigned long long total_bytes;
+
+static struct GNUNET_TIME_Absolute start_time;
+
+/*
+ * END Testcase specific declarations
+ */
+
+#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
+end ()
+{
+  unsigned long long delta;
+
+  char *value_name;
+
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stopping peers\n");
+
+  delta = GNUNET_TIME_absolute_get_duration (start_time).rel_value;
+  FPRINTF (stderr, "\nThroughput was %llu kb/s\n",
+           total_bytes * 1000 / 1024 / delta);
+  GNUNET_asprintf (&value_name, "reliable_%s", test_plugin);
+  GAUGER ("TRANSPORT", value_name, (int) (total_bytes * 1000 / 1024 / delta),
+          "kb/s");
+  GNUNET_free (value_name);
+
+  if (die_task != GNUNET_SCHEDULER_NO_TASK)
+    GNUNET_SCHEDULER_cancel (die_task);
+
+  if (th != NULL)
+    GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
+  th = NULL;
+
+  if (cc != NULL)
+    GNUNET_TRANSPORT_TESTING_connect_peers_cancel (tth, cc);
+
+  GNUNET_TRANSPORT_TESTING_stop_peer (tth, p1);
+  GNUNET_TRANSPORT_TESTING_stop_peer (tth, p2);
+
+  GNUNET_TRANSPORT_TESTING_done (tth);
+}
+
+static void
+end_badly ()
+{
+  die_task = GNUNET_SCHEDULER_NO_TASK;
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Fail! Stopping peers\n");
+
+  if (test_connected == GNUNET_YES)
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Peers got connected\n");
+  else
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Peers got NOT connected\n");
+
+  if (th != NULL)
+    GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
+  th = NULL;
+
+  if (cc != NULL)
+    GNUNET_TRANSPORT_TESTING_connect_peers_cancel (tth, cc);
+
+  if (p1 != NULL)
+    GNUNET_TRANSPORT_TESTING_stop_peer (tth, p1);
+  if (p2 != NULL)
+    GNUNET_TRANSPORT_TESTING_stop_peer (tth, p2);
+
+  GNUNET_TRANSPORT_TESTING_done (tth);
+
+  ok = GNUNET_SYSERR;
+}
+
+
+static unsigned int
+get_size (unsigned int iter)
+{
+  unsigned int ret;
+
+  ret = (iter * iter * iter);
+  return sizeof (struct TestMessage) + (ret % 60000);
+}
+
+
+static void
+notify_receive (void *cls, const struct GNUNET_PeerIdentity *peer,
+                const struct GNUNET_MessageHeader *message,
+                const struct GNUNET_ATS_Information *ats, uint32_t ats_count)
+{
+  static int n;
+  unsigned int s;
+  char cbuf[GNUNET_SERVER_MAX_MESSAGE_SIZE - 1];
+  const struct TestMessage *hdr;
+
+  hdr = (const struct TestMessage *) message;
+  s = get_size (n);
+  if (MTYPE != ntohs (message->type))
+    return;
+  msg_recv_expected = n;
+  msg_recv = ntohl (hdr->num);
+  if (ntohs (message->size) != (s))
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Expected message %u of size %u, got %u bytes of message %u\n",
+                n, s, ntohs (message->size), ntohl (hdr->num));
+    if (die_task != GNUNET_SCHEDULER_NO_TASK)
+      GNUNET_SCHEDULER_cancel (die_task);
+    test_failed = GNUNET_YES;
+    die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
+    return;
+  }
+  if (ntohl (hdr->num) != n)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Expected message %u of size %u, got %u bytes of message %u\n",
+                n, s, ntohs (message->size), ntohl (hdr->num));
+    if (die_task != GNUNET_SCHEDULER_NO_TASK)
+      GNUNET_SCHEDULER_cancel (die_task);
+    test_failed = GNUNET_YES;
+    die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
+    return;
+  }
+  memset (cbuf, n, s - sizeof (struct TestMessage));
+  if (0 != memcmp (cbuf, &hdr[1], s - sizeof (struct TestMessage)))
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Expected message %u with bits %u, but body did not match\n", n,
+                (unsigned char) n);
+    if (die_task != GNUNET_SCHEDULER_NO_TASK)
+      GNUNET_SCHEDULER_cancel (die_task);
+    test_failed = GNUNET_YES;
+    die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
+    return;
+  }
+#if VERBOSE
+  if (ntohl (hdr->num) % 5000 == 0)
+  {
+    struct PeerContext *p = cls;
+    char *ps = GNUNET_strdup (GNUNET_i2s (&p->id));
+
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                "Peer %u (`%s') got message %u of size %u from peer (`%s')\n",
+                p->no, ps, ntohl (hdr->num), ntohs (message->size),
+                GNUNET_i2s (peer));
+    GNUNET_free (ps);
+  }
+#endif
+  n++;
+  if (0 == (n % (TOTAL_MSGS / 100)))
+  {
+    FPRINTF (stderr, "%s",  ".");
+    if (die_task != GNUNET_SCHEDULER_NO_TASK)
+      GNUNET_SCHEDULER_cancel (die_task);
+    die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
+  }
+  if (n == TOTAL_MSGS)
+  {
+    ok = 0;
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "\nAll messages received\n");
+    end ();
+  }
+}
+
+
+static size_t
+notify_ready (void *cls, size_t size, void *buf)
+{
+  static int n;
+  char *cbuf = buf;
+  struct TestMessage hdr;
+  unsigned int s;
+  unsigned int ret;
+
+  th = NULL;
+  if (buf == NULL)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Timeout occurred while waiting for transmit_ready for message %u of %u\n",
+                msg_scheduled, TOTAL_MSGS);
+    if (GNUNET_SCHEDULER_NO_TASK != die_task)
+      GNUNET_SCHEDULER_cancel (die_task);
+    die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
+    ok = 42;
+    return 0;
+  }
+
+  ret = 0;
+  s = get_size (n);
+  GNUNET_assert (size >= s);
+  GNUNET_assert (buf != NULL);
+  cbuf = buf;
+  do
+  {
+    hdr.header.size = htons (s);
+    hdr.header.type = htons (MTYPE);
+    hdr.num = htonl (n);
+    msg_sent = n;
+    memcpy (&cbuf[ret], &hdr, sizeof (struct TestMessage));
+    ret += sizeof (struct TestMessage);
+    memset (&cbuf[ret], n, s - sizeof (struct TestMessage));
+    ret += s - sizeof (struct TestMessage);
+#if VERBOSE
+    if (n % 5000 == 0)
+    {
+
+      char *receiver_s = GNUNET_strdup (GNUNET_i2s (&receiver->id));
+
+      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                  "Sending message of size %u from peer %u (`%4s') -> peer %u (`%s') !\n",
+                  n, sender->no, GNUNET_i2s (&sender->id), receiver->no,
+                  receiver_s);
+      GNUNET_free (receiver_s);
+    }
+#endif
+    n++;
+    s = get_size (n);
+    if (0 == GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 16))
+      break;                    /* sometimes pack buffer full, sometimes not */
+  }
+  while (size - ret >= s);
+  if (n < TOTAL_MSGS)
+  {
+    if (th == NULL)
+      th = GNUNET_TRANSPORT_notify_transmit_ready (p2->th, &p1->id, s, 0,
+                                                   TIMEOUT_TRANSMIT,
+                                                   &notify_ready, NULL);
+    msg_scheduled = n;
+  }
+  if (n % 5000 == 0)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                "Returning total message block of size %u\n", ret);
+  }
+  total_bytes += ret;
+  if (n == TOTAL_MSGS)
+  {
+    FPRINTF (stderr, "%s",  "\n");
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "All messages sent\n");
+  }
+  return ret;
+}
+
+
+static void
+notify_connect (void *cls, const struct GNUNET_PeerIdentity *peer,
+                const struct GNUNET_ATS_Information *ats, uint32_t ats_count)
+{
+
+  struct PeerContext *p = cls;
+
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer %u (`%4s') connected to us!\n",
+              p->no, GNUNET_i2s (peer));
+}
+
+
+static void
+notify_disconnect (void *cls, const struct GNUNET_PeerIdentity *peer)
+{
+  struct PeerContext *p = cls;
+
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer %u (`%4s') disconnected!\n", p->no,
+              GNUNET_i2s (peer));
+  if (th != NULL)
+    GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
+  th = NULL;
+
+}
+
+static void
+sendtask ()
+{
+  start_time = GNUNET_TIME_absolute_get ();
+  th = GNUNET_TRANSPORT_notify_transmit_ready (p2->th, &p1->id, get_size (0), 0,
+                                               TIMEOUT_TRANSMIT, &notify_ready,
+                                               NULL);
+}
+
+static void
+testing_connect_cb (struct PeerContext *p1, struct PeerContext *p2, void *cls)
+{
+  char *p1_c = GNUNET_strdup (GNUNET_i2s (&p1->id));
+
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peers connected: %u (%s) <-> %u (%s)\n",
+              p1->no, p1_c, p2->no, GNUNET_i2s (&p2->id));
+  GNUNET_free (p1_c);
+
+  test_connected = GNUNET_YES;
+  cc = NULL;
+
+  GNUNET_SCHEDULER_add_now (&sendtask, NULL);
+
+}
+
+void
+start_cb (struct PeerContext *p, void *cls)
+{
+  static int started;
+
+  started++;
+
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer %u (`%s') started\n", p->no,
+              GNUNET_i2s (&p->id));
+
+  if (started != 2)
+    return;
+
+  test_connected = GNUNET_NO;
+
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Peer %u: `%s' using configuration file `%s'\n", p1->no,
+              GNUNET_i2s (&p1->id), cfg_file_p1);
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Peer %u: `%s' using configuration file `%s'\n", p2->no,
+              GNUNET_i2s (&p2->id), cfg_file_p2);
+
+  sender = p2;
+  receiver = p1;
+
+  char *sender_c = GNUNET_strdup (GNUNET_i2s (&sender->id));
+
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Test triest to send from %u (%s) -> peer %u (%s)\n", sender->no,
+              sender_c, receiver->no, GNUNET_i2s (&receiver->id));
+  GNUNET_free (sender_c);
+
+  cc = GNUNET_TRANSPORT_TESTING_connect_peers (tth, p1, p2, &testing_connect_cb,
+                                               NULL);
+
+}
+
+
+static void
+run (void *cls, char *const *args, const char *cfgfile,
+     const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+  die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
+
+  p1 = GNUNET_TRANSPORT_TESTING_start_peer (tth, cfg_file_p1, 1,
+                                            &notify_receive, &notify_connect,
+                                            &notify_disconnect, &start_cb,
+                                            NULL);
+  p2 = GNUNET_TRANSPORT_TESTING_start_peer (tth, cfg_file_p2, 2,
+                                            &notify_receive, &notify_connect,
+                                            &notify_disconnect, &start_cb,
+                                            NULL);
+
+  if ((p1 == NULL) || (p2 == NULL))
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Fail! Could not start peers!\n");
+    if (die_task != GNUNET_SCHEDULER_NO_TASK)
+      GNUNET_SCHEDULER_cancel (die_task);
+    die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
+    return;
+  }
+}
+
+static int
+check ()
+{
+  static char *argv[] = { "test_transport",
+    "-c",
+    "test_transport_api_data.conf",
+#if VERBOSE
+    "-L", "DEBUG",
+#endif
+    NULL
+  };
+  static struct GNUNET_GETOPT_CommandLineOption options[] = {
+    GNUNET_GETOPT_OPTION_END
+  };
+
+#if WRITECONFIG
+  setTransportOptions ("test_transport_api_data.conf");
+#endif
+  ok = 1;
+  GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv, test_name,
+                      "nohelp", options, &run, &ok);
+
+  return ok;
+}
+
+int
+main (int argc, char *argv[])
+{
+  int ret;
+
+  GNUNET_TRANSPORT_TESTING_get_test_name (argv[0], &test_name);
+
+  GNUNET_log_setup (test_name,
+#if VERBOSE
+                    "DEBUG",
+#else
+                    "WARNING",
+#endif
+                    NULL);
+
+  GNUNET_TRANSPORT_TESTING_get_test_source_name (__FILE__, &test_source);
+  GNUNET_TRANSPORT_TESTING_get_test_plugin_name (argv[0], test_source,
+                                                 &test_plugin);
+
+  tth = GNUNET_TRANSPORT_TESTING_init ();
+
+  GNUNET_TRANSPORT_TESTING_get_config_name (argv[0], &cfg_file_p1, 1);
+  GNUNET_TRANSPORT_TESTING_get_config_name (argv[0], &cfg_file_p2, 2);
+
+  ret = check ();
+
+  GNUNET_free (cfg_file_p1);
+  GNUNET_free (cfg_file_p2);
+
+  GNUNET_free (test_source);
+  GNUNET_free (test_plugin);
+  GNUNET_free (test_name);
+
+  return ret;
+}
+
+
+/* end of test_transport_api_reliability.c */