towards having sending in transport-testing API (not yet flexible enough)
[oweals/gnunet.git] / src / transport / test_transport_api_reliability.c
index ce031af7f305ab1e7e3f6511ab2871a19b9a1f5d..e1ce4da18ddd893d5873db3b4b1f035c7b96c56d 100644 (file)
@@ -1,6 +1,6 @@
 /*
      This file is part of GNUnet.
-     (C) 2009, 2010 Christian Grothoff (and other contributing authors)
+     Copyright (C) 2009, 2010, 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
 
      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.
+     Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+     Boston, MA 02110-1301, 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.
+ * This test case serves ensures that messages are reliably sent between peers
+ *
+ * This test sends TOTAL_MSGS with message type MTYPE from peer 1 to peer 2
+ * and ensures that all message were received.
  */
 #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 "transport.h"
-
-#define VERBOSE GNUNET_NO
-
-#define VERBOSE_ARM GNUNET_NO
+#include "gauger.h"
+#include "transport-testing.h"
 
-#define START_ARM GNUNET_YES
+/**
+ * Allow making the problem "bigger".
+ */
+#define FACTOR 1
 
 /**
+ * Total number of messages to send
+ *
  * Note that this value must not significantly exceed
- * 'MAX_PENDING' in 'gnunet-service-transport.c', otherwise
+ * 'MAX_PENDING' in 'gnunet-service-transport_clients.c', otherwise
  * messages may be dropped even for a reliable transport.
  */
-#define TOTAL_MSGS (10000 * 2)
+#define TOTAL_MSGS (1024 * 3 * FACTOR)
 
 /**
- * How long until we give up on transmitting the message?
+ * Message type of test messages
  */
-#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1500)
-
 #define MTYPE 12345
 
-struct PeerContext
-{
-  struct GNUNET_CONFIGURATION_Handle *cfg;
-  struct GNUNET_TRANSPORT_Handle *th;
-  struct GNUNET_PeerIdentity id;
-#if START_ARM
-  struct GNUNET_OS_Process *arm_proc;
-#endif
-};
-
-static struct PeerContext p1;
-
-static struct PeerContext p2;
+/**
+ * Testcase timeout
+ */
+#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 90 * FACTOR)
 
-static int ok;
+/**
+ * How long until we give up on transmitting the message?
+ */
+#define TIMEOUT_TRANSMIT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60 * FACTOR)
 
-static int is_tcp;
 
-static int is_tcp_nat;
+GNUNET_NETWORK_STRUCT_BEGIN
 
-static int is_http;
+/**
+ * Struct for the test message
+ */
+struct TestMessage
+{
+  struct GNUNET_MessageHeader header;
+  uint32_t num GNUNET_PACKED;
+};
+GNUNET_NETWORK_STRUCT_END
 
-static int is_https;
 
-static int is_udp;
+static struct GNUNET_TRANSPORT_TESTING_ConnectCheckContext *ccc;
 
-static int connected;
+static struct GNUNET_TRANSPORT_TransmitHandle *th;
 
+/**
+ * Total amount of bytes sent
+ */
 static unsigned long long total_bytes;
 
+/**
+ * Time of start
+ */
 static struct GNUNET_TIME_Absolute start_time;
 
-static GNUNET_SCHEDULER_TaskIdentifier die_task;
-
-static char * key_file_p1;
-static char * cert_file_p1;
-
-static char * key_file_p2;
-static char * cert_file_p2;
-
+/**
+ * No. of message currently scheduled to be send
+ */
 static int msg_scheduled;
+
+/**
+ * No. of last message sent
+ */
 static int msg_sent;
-static int msg_recv_expected;
-static int msg_recv;
 
+/**
+ * No. of last message received
+ */
+static int msg_recv;
 
-#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
+/**
+ * Bitmap storing which messages were received
+ */
+static char bitmap[TOTAL_MSGS / 8];
 
 
-static void
-end ()
+static unsigned int
+get_size (unsigned int iter)
 {
-  unsigned long long delta;
+  unsigned int ret;
 
-  GNUNET_SCHEDULER_cancel (die_task);
-  die_task = GNUNET_SCHEDULER_NO_TASK;
-#if VERBOSE
-  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Disconnecting from transports!\n");
-#endif
-  GNUNET_TRANSPORT_disconnect (p1.th);
-  GNUNET_TRANSPORT_disconnect (p2.th);
-#if VERBOSE
-  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-             "Transports disconnected, returning success!\n");
-#endif
-  delta = GNUNET_TIME_absolute_get_duration (start_time).rel_value;
-  fprintf (stderr,
-          "\nThroughput was %llu kb/s\n",
-          total_bytes * 1000 / 1024 / delta);
-  ok = 0;
+  ret = (iter * iter * iter);
 
+#ifndef LINUX
+  /* FreeBSD/OSX etc. Unix DGRAMs do not work
+   * with large messages */
+  if (0 == strcmp ("unix", test_plugin))
+    return sizeof (struct TestMessage) + (ret % 1024);
+#endif
+  return sizeof (struct TestMessage) + (ret % 60000);
 }
 
 
-
-static void
-stop_arm (struct PeerContext *p)
+/**
+ * Sets a bit active in the bitmap.
+ *
+ * @param bitIdx which bit to set
+ * @return #GNUNET_SYSERR on error, #GNUNET_OK on success
+ */
+static int
+set_bit (unsigned int bitIdx)
 {
-#if START_ARM
-  if (0 != GNUNET_OS_process_kill (p->arm_proc, SIGTERM))
-    GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
-  GNUNET_OS_process_wait (p->arm_proc);
-  GNUNET_OS_process_close (p->arm_proc);
-  p->arm_proc = NULL;
-#endif
-  GNUNET_CONFIGURATION_destroy (p->cfg);
+  size_t arraySlot;
+  unsigned int targetBit;
+
+  if (bitIdx >= sizeof (bitmap) * 8)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "tried to set bit %u of %u(!?!?)\n",
+                bitIdx,
+                (unsigned int) sizeof (bitmap) * 8);
+    return GNUNET_SYSERR;
+  }
+  arraySlot = bitIdx / 8;
+  targetBit = (1L << (bitIdx % 8));
+  bitmap[arraySlot] |= targetBit;
+  return GNUNET_OK;
 }
 
 
-static void
-end_badly (void *cls,
-          const struct GNUNET_SCHEDULER_TaskContext *tc)
+/**
+ * Obtain a bit from bitmap.
+ * @param map the bitmap
+ * @param bit index from bitmap
+ *
+ * @return Bit @a bit from @a map
+ */
+static int
+get_bit (const char *map,
+         unsigned int bit)
 {
-  GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                 "Reliability failed: \nLast message sent %u \nNext message scheduled %u\nLast message received %u\nMessage expected %u \n ", msg_sent, msg_scheduled, msg_recv, msg_recv_expected);
-  GNUNET_break (0);
-  GNUNET_TRANSPORT_disconnect (p1.th);
-  GNUNET_TRANSPORT_disconnect (p2.th);
-  ok = 1;
+  if (bit > TOTAL_MSGS)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "get bit %u of %u(!?!?)\n",
+                bit,
+                (unsigned int) sizeof (bitmap) * 8);
+    return 0;
+  }
+  return ((map)[bit >> 3] & (1 << (bit & 7))) > 0;
 }
 
 
-struct TestMessage
+static void
+custom_shutdown (void *cls)
 {
-  struct GNUNET_MessageHeader header;
-  uint32_t num;
-};
-
+  unsigned long long delta;
+  unsigned long long rate;
+  unsigned int i;
+  int ok;
 
-static unsigned int
-get_size (unsigned int iter)
-{
-  unsigned int ret;
+  if (NULL != th)
+  {
+    GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
+    th = NULL;
+  }
+  /* Calculcate statistics   */
+  delta = GNUNET_TIME_absolute_get_duration (start_time).rel_value_us;
+  rate = (1000LL* 1000ll * total_bytes) / (1024 * delta);
+  FPRINTF (stderr,
+           "\nThroughput was %llu KiBytes/s\n",
+           rate);
+  {
+    char *value_name;
+    GNUNET_asprintf (&value_name,
+                     "unreliable_%s",
+                     ccc->test_plugin);
+    GAUGER ("TRANSPORT",
+            value_name,
+            (int) rate,
+            "kb/s");
+    GNUNET_free (value_name);
+  }
 
-  if (iter < 60000)
-    return iter + sizeof (struct TestMessage);
-  ret = (iter * iter * iter);
-  return sizeof (struct TestMessage) + (ret % 60000);
+  ok = 0;
+  for (i = 0; i < TOTAL_MSGS; i++)
+  {
+    if (get_bit (bitmap, i) == 0)
+    {
+      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                  "Did not receive message %d\n",
+                  i);
+      ok = -1;
+    }
+  }
+  if (0 != ok)
+    ccc->global_ret = GNUNET_SYSERR; /* fail: messages missing! */
 }
 
 
 static void
 notify_receive (void *cls,
-                const struct GNUNET_PeerIdentity *peer,
-                const struct GNUNET_MessageHeader *message,
-                struct GNUNET_TIME_Relative latency,
-               uint32_t distance)
+                struct GNUNET_TRANSPORT_TESTING_PeerContext *receiver,
+                const struct GNUNET_PeerIdentity *sender,
+                const struct GNUNET_MessageHeader *message)
 {
   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);
+  hdr = (const struct TestMessage *) message;
+
   if (MTYPE != ntohs (message->type))
     return;
-  msg_recv_expected = n;
-  msg_recv = ntohl(hdr->num);
+  msg_recv = ntohl (hdr->num);
+  s = get_size (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));
-      GNUNET_SCHEDULER_cancel (die_task);
-      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));
-      GNUNET_SCHEDULER_cancel (die_task);
-      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);
-      GNUNET_SCHEDULER_cancel (die_task);
-      die_task = GNUNET_SCHEDULER_add_now (&end_badly, NULL);
-      return;
-    }
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Expected message %u of size %u, got %u bytes of message %u\n",
+                ntohl (hdr->num),
+                s,
+                ntohs (message->size),
+                ntohl (hdr->num));
+    ccc->global_ret = GNUNET_SYSERR;
+    GNUNET_SCHEDULER_shutdown ();
+    return;
+  }
+
+  memset (cbuf, ntohl (hdr->num), 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",
+                ntohl (hdr->num),
+                (unsigned char) n);
+    ccc->global_ret = GNUNET_SYSERR;
+    GNUNET_SCHEDULER_shutdown ();
+    return;
+  }
 #if VERBOSE
-  if (ntohl(hdr->num) % 5000 == 0)
-    {
-      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                  "Got message %u of size %u\n",
-                  ntohl (hdr->num),
-                  ntohs (message->size));
-    }
+  if (ntohl (hdr->num) % 5 == 0)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                "Got message %u of size %u\n",
+                ntohl (hdr->num),
+                ntohs (message->size));
+  }
 #endif
   n++;
-  if (0 == (n % (TOTAL_MSGS/100)))
-    {
-      fprintf (stderr, ".");
-      GNUNET_SCHEDULER_cancel (die_task);
-      die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
-                                              &end_badly,
-                                              NULL);
-    }
+  if (GNUNET_SYSERR == set_bit (ntohl (hdr->num)))
+  {
+      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                  "Message id %u is bigger than maxmimum number of messages %u expected\n",
+                  ntohl (hdr->num),
+                  TOTAL_MSGS);
+  }
+  if (0 == (n % (TOTAL_MSGS / 100)))
+  {
+    FPRINTF (stderr, "%s",  ".");
+  }
   if (n == TOTAL_MSGS)
-    end ();
+  {
+    /* end testcase with success */
+    GNUNET_SCHEDULER_shutdown ();
+  }
 }
 
 
 static size_t
-notify_ready (void *cls, size_t size, void *buf)
+notify_ready (void *cls,
+              size_t size,
+              void *buf)
 {
   static int n;
   char *cbuf = buf;
@@ -265,515 +306,132 @@ notify_ready (void *cls, size_t size, void *buf)
   unsigned int s;
   unsigned int ret;
 
-  if (buf == NULL)
-    {
-      GNUNET_break (0);
-      ok = 42;
-      return 0;
-    }
+  th = NULL;
+  if (NULL == buf)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Timeout occurred while waiting for transmit_ready for msg %u of %u\n",
+                msg_scheduled,
+                TOTAL_MSGS);
+    GNUNET_SCHEDULER_shutdown ();
+    ccc->global_ret = 42;
+    return 0;
+  }
   ret = 0;
   s = get_size (n);
   GNUNET_assert (size >= s);
   GNUNET_assert (buf != NULL);
+  GNUNET_assert (n < TOTAL_MSGS);
   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);
+  {
+    GNUNET_assert (n < TOTAL_MSGS);
+    hdr.header.size = htons (s);
+    hdr.header.type = htons (MTYPE);
+    hdr.num = htonl (n);
+    msg_sent = n;
+    GNUNET_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)
-        {
-          GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-                      "Sending message %u of size %u\n",
-                      n,
-                      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 */
+    if (0 == n % 5000)
+    {
+      GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                  "Sending message %u of size %u\n",
+                  n,
+                  s);
     }
-  while (size - ret >= 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) && (n < TOTAL_MSGS));
   if (n < TOTAL_MSGS)
   {
-    GNUNET_TRANSPORT_notify_transmit_ready (p2.th,
-                                           &p1.id,
-                                           s, 0, TIMEOUT,
-                                           &notify_ready,
-                                           NULL);
+    th = GNUNET_TRANSPORT_notify_transmit_ready (ccc->p[1]->th,
+                                                 &ccc->p[0]->id,
+                                                 s,
+                                                 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;
-  return ret;
-}
-
-
-static void
-notify_connect (void *cls,
-                const struct GNUNET_PeerIdentity *peer,
-                struct GNUNET_TIME_Relative latency,
-               uint32_t distance)
-{
-  if (cls == &p1)
-    {
-      GNUNET_TRANSPORT_set_quota (p1.th,
-                                 &p2.id,
-                                 GNUNET_BANDWIDTH_value_init (1024 * 1024 * 1024),
-                                 GNUNET_BANDWIDTH_value_init (1024 * 1024 * 1024),
-                                 GNUNET_TIME_UNIT_FOREVER_REL,
-                                 NULL, NULL);
-      start_time = GNUNET_TIME_absolute_get ();
-      connected++;
-    }
   else
-    {
-      GNUNET_TRANSPORT_set_quota (p2.th,
-                                 &p1.id,
-                                 GNUNET_BANDWIDTH_value_init (1024 * 1024 * 1024),
-                                 GNUNET_BANDWIDTH_value_init (1024 * 1024 * 1024),
-                                 GNUNET_TIME_UNIT_FOREVER_REL,
-                                 NULL, NULL);
-      connected++;
-    }
-
-  if (connected == 2)
-    {
-      GNUNET_TRANSPORT_notify_transmit_ready (p2.th,
-                                              &p1.id,
-                                              get_size (0), 0, TIMEOUT,
-                                              &notify_ready,
-                                              NULL);
-    }
-#if VERBOSE
-  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-              "Peer `%4s' connected to us (%p)!\n", GNUNET_i2s (peer), cls);
-#endif
-}
-
-
-static void
-notify_disconnect (void *cls, const struct GNUNET_PeerIdentity *peer)
-{
-#if VERBOSE
-  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-              "Peer `%4s' disconnected (%p)!\n",
-             GNUNET_i2s (peer), cls);
-#endif
-}
-
-
-static void
-setup_peer (struct PeerContext *p, const char *cfgname)
-{
-  p->cfg = GNUNET_CONFIGURATION_create ();
-#if START_ARM
-  p->arm_proc = GNUNET_OS_start_process (NULL, NULL,
-                                       "gnunet-service-arm",
-                                        "gnunet-service-arm",
-#if VERBOSE_ARM
-                                        "-L", "DEBUG",
-#endif
-                                        "-c", cfgname, NULL);
-#endif
-  GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
-
-  if (is_https)
   {
-         struct stat sbuf;
-         if (p==&p1)
-         {
-                 if (GNUNET_CONFIGURATION_have_value (p->cfg,
-                                                                                          "transport-https", "KEY_FILE"))
-                               GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "KEY_FILE", &key_file_p1);
-                 if (key_file_p1 == NULL)
-                         GNUNET_asprintf(&key_file_p1,"https_p1.key");
-                 if (0 == stat (key_file_p1, &sbuf ))
-                 {
-                         if (0 == remove(key_file_p1))
-                             GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Successfully removed existing private key file `%s'\n",key_file_p1);
-                         else
-                                 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to remove private key file `%s'\n",key_file_p1);
-                 }
-                 if (GNUNET_CONFIGURATION_have_value (p->cfg,"transport-https", "CERT_FILE"))
-                         GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "CERT_FILE", &cert_file_p1);
-                 if (cert_file_p1 == NULL)
-                         GNUNET_asprintf(&cert_file_p1,"https_p1.cert");
-                 if (0 == stat (cert_file_p1, &sbuf ))
-                 {
-                         if (0 == remove(cert_file_p1))
-                             GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Successfully removed existing certificate file `%s'\n",cert_file_p1);
-                         else
-                                 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to remove existing certificate file `%s'\n",cert_file_p1);
-                 }
-         }
-         else if (p==&p2)
-         {
-                 if (GNUNET_CONFIGURATION_have_value (p->cfg,
-                                                                                          "transport-https", "KEY_FILE"))
-                               GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "KEY_FILE", &key_file_p2);
-                 if (key_file_p2 == NULL)
-                         GNUNET_asprintf(&key_file_p2,"https_p2.key");
-                 if (0 == stat (key_file_p2, &sbuf ))
-                 {
-                         if (0 == remove(key_file_p2))
-                             GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Successfully removed existing private key file `%s'\n",key_file_p2);
-                         else
-                                 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to remove private key file `%s'\n",key_file_p2);
-                 }
-                 if (GNUNET_CONFIGURATION_have_value (p->cfg,"transport-https", "CERT_FILE"))
-                         GNUNET_CONFIGURATION_get_value_string (p->cfg, "transport-https", "CERT_FILE", &cert_file_p2);
-                 if (cert_file_p2 == NULL)
-                         GNUNET_asprintf(&cert_file_p2,"https_p2.cert");
-                 if (0 == stat (cert_file_p2, &sbuf ))
-                 {
-                         if (0 == remove(cert_file_p2))
-                             GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Successfully removed existing certificate file `%s'\n",cert_file_p2);
-                         else
-                                 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to remove existing certificate file `%s'\n",cert_file_p2);
-                 }
-         }
+    FPRINTF (stderr,
+             "%s",
+             "\n");
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                "All messages scheduled to be sent\n");
   }
-
-  p->th = GNUNET_TRANSPORT_connect (p->cfg, NULL,
-                                    p,
-                                    &notify_receive,
-                                    &notify_connect,
-                                   &notify_disconnect);
-  GNUNET_assert (p->th != NULL);
-}
-
-
-static void
-exchange_hello_last (void *cls,
-                     const struct GNUNET_MessageHeader *message)
-{
-  struct PeerContext *me = cls;
-
-  GNUNET_TRANSPORT_get_hello_cancel (p2.th, &exchange_hello_last, me);
-#if VERBOSE
-  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-              "Exchanging HELLO with peer (%p)!\n", cls);
-#endif
-  GNUNET_assert (ok >= 3);
-  OKPP;
-  GNUNET_assert (message != NULL);
-  GNUNET_assert (GNUNET_OK ==
-                 GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
-                                      message, &me->id));
-  /* both HELLOs exchanged, get ready to test transmission! */
-  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-              "Finished exchanging HELLOs, now waiting for transmission!\n");
+  if (0 == n % 5000)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                "Returning total message block of size %u\n",
+                ret);
+  }
+  total_bytes += ret;
+  return ret;
 }
 
 
 static void
-exchange_hello (void *cls,
-                const struct GNUNET_MessageHeader *message)
+sendtask (void *cls)
 {
-  struct PeerContext *me = cls;
-
-  GNUNET_TRANSPORT_get_hello_cancel (p1.th, &exchange_hello, me);
-#if VERBOSE
-  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-              "Exchanging HELLO with peer (%p)!\n", cls);
-#endif
-  GNUNET_assert (ok >= 2);
-  OKPP;
-  GNUNET_assert (message != NULL);
-  GNUNET_assert (GNUNET_OK ==
-                 GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *)
-                                      message, &me->id));
-
-#if VERBOSE
+  start_time = GNUNET_TIME_absolute_get ();
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
-              "Received HELLO size %d\n",
-             GNUNET_HELLO_size((const struct GNUNET_HELLO_Message *)message));
-#endif
-  GNUNET_TRANSPORT_offer_hello (p2.th, message);
-  GNUNET_TRANSPORT_get_hello (p2.th, &exchange_hello_last, &p2);
-}
-
-/**
- * Return the actual path to a file found in the current
- * PATH environment variable.
- *
- * @param binary the name of the file to find
- */
-static char *
-get_path_from_PATH (char *binary)
-{
-  char *path;
-  char *pos;
-  char *end;
-  char *buf;
-  const char *p;
-
-  p = getenv ("PATH");
-  if (p == NULL)
-    {
-      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                  _("PATH environment variable is unset.\n"));
-      return NULL;
-    }
-  path = GNUNET_strdup (p);     /* because we write on it */
-  buf = GNUNET_malloc (strlen (path) + 20);
-  pos = path;
-
-  while (NULL != (end = strchr (pos, PATH_SEPARATOR)))
-    {
-      *end = '\0';
-      sprintf (buf, "%s/%s", pos, binary);
-      if (GNUNET_DISK_file_test (buf) == GNUNET_YES)
-        {
-          GNUNET_free (path);
-          return buf;
-        }
-      pos = end + 1;
-    }
-  sprintf (buf, "%s/%s", pos, binary);
-  if (GNUNET_DISK_file_test (buf) == GNUNET_YES)
-    {
-      GNUNET_free (path);
-      return buf;
-    }
-  GNUNET_free (buf);
-  GNUNET_free (path);
-  return NULL;
+              "Starting to send %u messages\n",
+              TOTAL_MSGS);
+  th = GNUNET_TRANSPORT_notify_transmit_ready (ccc->p[1]->th,
+                                               &ccc->p[0]->id,
+                                               get_size (0),
+                                               TIMEOUT_TRANSMIT,
+                                               &notify_ready,
+                                               NULL);
 }
 
-/**
- * Check whether the suid bit is set on a file.
- * Attempts to find the file using the current
- * PATH environment variable as a search path.
- *
- * @param binary the name of the file to check
- *
- * @return GNUNET_YES if the binary is found and
- *         can be run properly, GNUNET_NO otherwise
- */
-static int
-check_gnunet_nat_binary(char *binary)
-{
-  struct stat statbuf;
-  char *p;
-#ifdef MINGW
-  SOCKET rawsock;
-#endif
-
-#ifdef MINGW
-  char *binaryexe;
-  GNUNET_asprintf (&binaryexe, "%s.exe", binary);
-  p = get_path_from_PATH (binaryexe);
-  free (binaryexe);
-#else
-  p = get_path_from_PATH (binary);
-#endif
-  if (p == NULL)
-    {
-      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                  _("Could not find binary `%s' in PATH!\n"),
-                  binary);
-      return GNUNET_NO;
-    }
-  if (0 != STAT (p, &statbuf))
-    {
-      GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
-                  _("stat (%s) failed: %s\n"),
-                  p,
-                  STRERROR (errno));
-      GNUNET_free (p);
-      return GNUNET_SYSERR;
-    }
-  GNUNET_free (p);
-#ifndef MINGW
-  if ( (0 != (statbuf.st_mode & S_ISUID)) &&
-       (statbuf.st_uid == 0) )
-    return GNUNET_YES;
-  return GNUNET_NO;
-#else
-  rawsock = socket (AF_INET, SOCK_RAW, IPPROTO_ICMP);
-  if (INVALID_SOCKET == rawsock)
-    {
-      DWORD err = GetLastError ();
-      GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
-                  "socket (AF_INET, SOCK_RAW, IPPROTO_ICMP) have failed! GLE = %d\n", err);
-      return GNUNET_NO; /* not running as administrator */
-    }
-  closesocket (rawsock);
-  return GNUNET_YES;
-#endif
-}
 
 static void
-run (void *cls,
-     char *const *args,
-     const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
+notify_disconnect (void *cls,
+                   struct GNUNET_TRANSPORT_TESTING_PeerContext *me,
+                   const struct GNUNET_PeerIdentity *other)
 {
-  GNUNET_assert (ok == 1);
-  OKPP;
-  die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
-                                          &end_badly,
-                                          NULL);
-  if (is_tcp)
-    {
-      setup_peer (&p1, "test_transport_api_tcp_peer1.conf");
-      setup_peer (&p2, "test_transport_api_tcp_peer2.conf");
-    }
-  else if (is_http)
-    {
-      setup_peer (&p1, "test_transport_api_rel_http_peer1.conf");
-      setup_peer (&p2, "test_transport_api_rel_http_peer2.conf");
-    }
-  else if (is_https)
-    {
-      setup_peer (&p1, "test_transport_api_rel_https_peer1.conf");
-      setup_peer (&p2, "test_transport_api_rel_https_peer2.conf");
-    }
-  else if (is_udp)
-    {
-      setup_peer (&p1, "test_transport_api_udp_peer1.conf");
-      setup_peer (&p2, "test_transport_api_udp_peer2.conf");
-    }
-  else if (is_tcp_nat)
-    {
-      setup_peer (&p1, "test_transport_api_tcp_nat_peer1.conf");
-      setup_peer (&p2, "test_transport_api_tcp_nat_peer2.conf");
-    }
-  else
-    GNUNET_assert (0);
-  GNUNET_assert(p1.th != NULL);
-  GNUNET_assert(p2.th != NULL);
-  GNUNET_TRANSPORT_get_hello (p1.th, &exchange_hello, &p1);
-}
-
-
-static int
-check ()
-{
-  char *const argv[] = { "test-transport-api-reliability",
-    "-c",
-    "test_transport_api_data.conf",
-#if VERBOSE
-    "-L", "DEBUG",
-#endif
-    NULL
-  };
-  struct GNUNET_GETOPT_CommandLineOption options[] = {
-    GNUNET_GETOPT_OPTION_END
-  };
-
-#if WRITECONFIG
-  setTransportOptions("test_transport_api_data.conf");
-#endif
-  ok = 1;
-
-  if ((GNUNET_YES == is_tcp_nat) && (check_gnunet_nat_binary("gnunet-nat-server") != GNUNET_YES))
-    {
-      GNUNET_log(GNUNET_ERROR_TYPE_WARNING, "Not running NAT test case, binaries not properly installed.\n");
-      return 0;
-    }
-
-  GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
-                      argv, "test-transport-api-reliability", "nohelp",
-                      options, &run, &ok);
-  stop_arm (&p1);
-  stop_arm (&p2);
-
-  if (is_https)
+  GNUNET_TRANSPORT_TESTING_log_disconnect (cls,
+                                           me,
+                                           other);
+  if (NULL != th)
   {
-    struct stat sbuf;
-    if (0 == stat (cert_file_p1, &sbuf ))
-    {
-      if (0 == remove(cert_file_p1))
-        GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Successfully removed existing certificate file `%s'\n",cert_file_p1);
-      else
-        GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to remove certfile `%s'\n",cert_file_p1);
-    }
-
-    if (0 == stat (key_file_p1, &sbuf ))
-    {
-      if (0 == remove(key_file_p1))
-        GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Successfully removed private key file `%s'\n",key_file_p1);
-      else
-        GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to private key file `%s'\n",key_file_p1);
-    }
-
-    if (0 == stat (cert_file_p2, &sbuf ))
-    {
-      if (0 == remove(cert_file_p2))
-        GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Successfully removed existing certificate file `%s'\n",cert_file_p2);
-      else
-        GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to remove certfile `%s'\n",cert_file_p2);
-    }
-
-    if (0 == stat (key_file_p2, &sbuf ))
-    {
-      if (0 == remove(key_file_p2))
-        GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Successfully removed private key file `%s'\n",key_file_p2);
-      else
-        GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to private key file `%s'\n",key_file_p2);
-    }
-    GNUNET_free(key_file_p1);
-    GNUNET_free(key_file_p2);
-    GNUNET_free(cert_file_p1);
-    GNUNET_free(cert_file_p2);
+    GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
+    th = NULL;
   }
-
-  return ok;
 }
 
 
 int
 main (int argc, char *argv[])
 {
-  int ret;
-#ifdef MINGW
-  return GNUNET_SYSERR;
-#endif
-  if (strstr(argv[0], "tcp_nat") != NULL)
-    {
-      is_tcp_nat = GNUNET_YES;
-    }
-  else if (strstr(argv[0], "tcp") != NULL)
-    {
-      is_tcp = GNUNET_YES;
-    }
-  else if (strstr(argv[0], "https") != NULL)
-    {
-      is_https = GNUNET_YES;
-    }
-  else if (strstr(argv[0], "http") != NULL)
-    {
-      is_http = GNUNET_YES;
-    }
-  else if (strstr(argv[0], "udp") != NULL)
-    {
-      is_udp = GNUNET_YES;
-    }
-  GNUNET_log_setup ("test-transport-api-reliability",
-#if VERBOSE
-                    "DEBUG",
-#else
-                    "WARNING",
-#endif
-                    NULL);
-  ret = check ();
-  GNUNET_DISK_directory_remove ("/tmp/test-gnunetd-transport-peer-1");
-  GNUNET_DISK_directory_remove ("/tmp/test-gnunetd-transport-peer-2");
-  return ret;
+  struct GNUNET_TRANSPORT_TESTING_ConnectCheckContext my_ccc = {
+    .connect_continuation = &sendtask,
+    .config_file = "test_transport_api_data.conf",
+    .rec = &notify_receive,
+    .nc = &GNUNET_TRANSPORT_TESTING_log_connect,
+    .nd = &notify_disconnect,
+    .shutdown_task = &custom_shutdown,
+    .timeout = TIMEOUT
+  };
+
+  ccc = &my_ccc;
+  if (GNUNET_OK !=
+      GNUNET_TRANSPORT_TESTING_main (2,
+                                     &GNUNET_TRANSPORT_TESTING_connect_check,
+                                     ccc))
+    return 1;
+  return 0;
 }
 
+
 /* end of test_transport_api_reliability.c */