testcase

1 files changed, 438 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 000000000..9b2c167cb
--- /dev/null
+++ b/src/transport/test_transport_api_reliability.c
@@ -0,0 +1,438 @@
+/*
+     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 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_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_transport_service.h"
+#include "transport.h"
+
+#define VERBOSE GNUNET_YES
+
+#define VERBOSE_ARM GNUNET_NO
+
+#define START_ARM GNUNET_YES
+
+#define TOTAL_MSGS (60000 * 2)
+
+/**
+ * How long until we give up on transmitting the message?
+ */
+#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 300)
+
+#define MTYPE 12345
+
+struct PeerContext
+{
+  struct GNUNET_CONFIGURATION_Handle *cfg;
+  struct GNUNET_TRANSPORT_Handle *th;
+  struct GNUNET_PeerIdentity id;
+#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;
+
+static int is_tcp;
+
+static int is_http;
+
+static GNUNET_SCHEDULER_TaskIdentifier die_task;
+
+#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 ()
+{
+  GNUNET_assert (ok == 6);
+  GNUNET_SCHEDULER_cancel (sched, die_task);
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Disconnecting from transports!\n");
+  GNUNET_TRANSPORT_disconnect (p1.th);
+  GNUNET_TRANSPORT_disconnect (p2.th);
+
+  die_task = GNUNET_SCHEDULER_NO_TASK;
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, 
+              "Transports disconnected, returning success!\n");
+  ok = 0;
+}
+
+
+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");
+  GNUNET_OS_process_wait (p->arm_pid);
+#endif
+  GNUNET_CONFIGURATION_destroy (p->cfg);
+}
+
+
+static void
+end_badly (void *cls,
+           const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+  GNUNET_break (0);
+  GNUNET_TRANSPORT_disconnect (p1.th);
+  GNUNET_TRANSPORT_disconnect (p2.th);
+  ok = 1;
+}
+
+
+struct TestMessage 
+{
+  struct GNUNET_MessageHeader header;
+  uint32_t num;
+};
+
+
+static unsigned int
+get_size (unsigned int iter)
+{
+  unsigned int ret;
+  if (iter < 60000)
+    return iter + sizeof (struct TestMessage);
+  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,
+                struct GNUNET_TIME_Relative latency,
+                uint32_t distance)
+{
+  static int n;
+  unsigned int s;
+  const struct TestMessage *hdr;
+
+  hdr = (const struct TestMessage*) message;
+  s = get_size (n);
+  if (MTYPE != ntohs (message->type))
+    return;
+  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 (sched, die_task);
+      die_task = GNUNET_SCHEDULER_add_now (sched, &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 (sched, die_task);
+      die_task = GNUNET_SCHEDULER_add_now (sched, &end_badly, NULL);
+      return;
+    }
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Got message %u of size %u\n",
+              ntohl (hdr->num),
+              ntohs (message->size));         
+  n++;
+  if (n == TOTAL_MSGS)
+    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;
+
+  if (buf == NULL)
+    {
+      GNUNET_break (0);
+      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);
+      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_log (GNUNET_ERROR_TYPE_DEBUG,
+                  "Sending message %u of size %u\n",
+                  n,
+                  s);
+      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)
+    GNUNET_TRANSPORT_notify_transmit_ready (p1.th,
+                                            &p2.id,
+                                            s, 0, TIMEOUT, 
+                                            &notify_ready,
+                                            NULL);
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Returning total message block of size %u\n",
+              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);
+      GNUNET_TRANSPORT_notify_transmit_ready (p1.th,
+                                              &p2.id,
+                                              get_size (0), 0, TIMEOUT, 
+                                              &notify_ready,
+                                              NULL);
+    }
+  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);
+    }
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Peer `%4s' connected to us (%p)!\n", GNUNET_i2s (peer), cls);
+}
+
+
+static void
+notify_disconnect (void *cls, const struct GNUNET_PeerIdentity *peer)
+{
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Peer `%4s' disconnected (%p)!\n",
+              GNUNET_i2s (peer), cls);
+}
+
+
+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_ARM
+                                        "-L", "DEBUG",
+#endif
+                                        "-c", cfgname, NULL);
+#endif
+  GNUNET_assert (GNUNET_OK == GNUNET_CONFIGURATION_load (p->cfg, cfgname));
+  p->th = GNUNET_TRANSPORT_connect (sched, p->cfg,
+                                    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);
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Exchanging HELLO with peer (%p)!\n", cls);
+  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");
+}
+
+
+static void
+exchange_hello (void *cls,
+                const struct GNUNET_MessageHeader *message)
+{
+  struct PeerContext *me = cls;
+
+  GNUNET_TRANSPORT_get_hello_cancel (p1.th, &exchange_hello, me);
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Exchanging HELLO with peer (%p)!\n", cls);
+  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));
+
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+              "Received HELLO size %d\n", GNUNET_HELLO_size((const struct GNUNET_HELLO_Message *)message));
+
+  GNUNET_TRANSPORT_offer_hello (p2.th, message);
+  GNUNET_TRANSPORT_get_hello (p2.th, &exchange_hello_last, &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);
+  OKPP;
+  sched = s;
+  die_task = GNUNET_SCHEDULER_add_delayed (sched,
+                                           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_http_peer1.conf");
+      setup_peer (&p2, "test_transport_api_http_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;
+  GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
+                      argv, "test-transport-api", "nohelp",
+                      options, &run, &ok);
+  stop_arm (&p1);
+  stop_arm (&p2);
+  return ok;
+}
+
+
+int
+main (int argc, char *argv[])
+{
+  int ret;
+#ifdef MINGW
+  return GNUNET_SYSERR;
+#endif
+  if (strstr(argv[0], "tcp") != NULL)
+    {
+      is_tcp = GNUNET_YES;
+    }
+  else if (strstr(argv[0], "http") != NULL)
+    {
+      is_http = 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;
+}
+
+/* end of test_transport_api_reliability.c */