/*
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
- by the Free Software Foundation; either version 3, or (at your
- option) any later version.
+ GNUnet is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Affero General Public License as published
+ by the Free Software Foundation, either version 3 of the License,
+ 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.
+ Affero 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.
-*/
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+ SPDX-License-Identifier: AGPL3.0-or-later
+ */
/**
* @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 "gauger.h"
-#include "transport.h"
#include "transport-testing.h"
-#define VERBOSE GNUNET_NO
-
-#define VERBOSE_ARM 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, 1500)
-
-static int ok;
-
-static GNUNET_SCHEDULER_TaskIdentifier die_task;
-
-struct PeerContext *p1;
-
-struct PeerContext *p2;
-
-struct GNUNET_TRANSPORT_TransmitHandle *th;
-
-char *cfg_file_p1;
-
-char *cfg_file_p2;
-
-/*
- * Testcase specific declarations
+ * 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 (1024 * 2)
-
-#define MTYPE 12345
+#define TOTAL_MSGS (1024 * 3 * FACTOR)
-struct TestMessage
-{
- struct GNUNET_MessageHeader header;
- uint32_t num;
-};
-
-static char *test_name;
+/**
+ * Testcase timeout
+ */
+#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 450 \
+ * FACTOR)
-static int msg_scheduled;
-static int msg_sent;
-static int msg_recv_expected;
-static int msg_recv;
+/**
+ * If we are in an "xhdr" test, the factor by which we divide
+ * #TOTAL_MSGS for a more sane test duration.
+ */
+static unsigned int xhdr = 1;
-static int test_failed;
+static struct GNUNET_TRANSPORT_TESTING_ConnectCheckContext *ccc;
+/**
+ * Total amount of bytes sent
+ */
static unsigned long long total_bytes;
+/**
+ * Time of start
+ */
static struct GNUNET_TIME_Absolute start_time;
-/*
- * END Testcase specific declarations
+/**
+ * No. of last message received
*/
+static unsigned 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 ()
+/**
+ * Get the desired message size for message number @a iter.
+ */
+static size_t
+get_size (unsigned int iter)
{
- unsigned long long delta;
-
- char *value_name;
+ size_t ret;
- 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_name);
- GAUGER ("TRANSPORT", value_name, (int) (total_bytes * 1000 / 1024 / delta),
- "kb/s");
- GNUNET_free (value_name);
+ ret = (iter * iter * iter);
+#ifndef __linux__
+ /* FreeBSD/OSX etc. Unix DGRAMs do not work
+ * with large messages */
+ if (0 == strcmp ("unix", ccc->test_plugin))
+ ret = sizeof(struct GNUNET_TRANSPORT_TESTING_TestMessage) + (ret % 1024);
+#endif
+ ret = sizeof(struct GNUNET_TRANSPORT_TESTING_TestMessage) + (ret % 60000);
+ return ret;
+}
- if (die_task != GNUNET_SCHEDULER_NO_TASK)
- GNUNET_SCHEDULER_cancel (die_task);
- if (th != NULL)
- GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
- th = NULL;
+/**
+ * Implementation of the callback for obtaining the
+ * size of messages for transmission. Counts the total
+ * number of bytes sent as a side-effect.
+ *
+ * @param cnt_down count down from `TOTAL_MSGS - 1`
+ * @return message size of the message
+ */
+static size_t
+get_size_cnt (unsigned int cnt_down)
+{
+ size_t ret = get_size (TOTAL_MSGS / xhdr - 1 - cnt_down);
- GNUNET_TRANSPORT_TESTING_stop_peer (p1);
- GNUNET_TRANSPORT_TESTING_stop_peer (p2);
+ total_bytes += ret;
+ return ret;
}
-static void
-end_badly ()
+
+/**
+ * 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)
{
- die_task = GNUNET_SCHEDULER_NO_TASK;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Fail! Stopping peers\n");
+ size_t arraySlot;
+ unsigned int targetBit;
- if (th != NULL)
- GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
- th = NULL;
+ 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;
+}
- if (p1 != NULL)
- GNUNET_TRANSPORT_TESTING_stop_peer (p1);
- if (p2 != NULL)
- GNUNET_TRANSPORT_TESTING_stop_peer (p2);
- ok = GNUNET_SYSERR;
+/**
+ * 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)
+{
+ 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;
}
-static unsigned int
-get_size (unsigned int iter)
+static void
+custom_shutdown (void *cls)
{
- unsigned int ret;
+ unsigned long long delta;
+ unsigned long long rate;
+ int ok;
+
+ /* Calculcate statistics */
+ delta = GNUNET_TIME_absolute_get_duration (start_time).rel_value_us;
+ if (0 == delta)
+ delta = 1;
+ 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);
+ }
- ret = (iter * iter * iter);
- return sizeof (struct TestMessage) + (ret % 60000);
+ ok = 0;
+ for (unsigned int i = 0; i < TOTAL_MSGS / xhdr; 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,
- const struct GNUNET_TRANSPORT_ATS_Information *ats,
- uint32_t ats_count)
+notify_receive (void *cls,
+ struct GNUNET_TRANSPORT_TESTING_PeerContext *receiver,
+ const struct GNUNET_PeerIdentity *sender,
+ const struct GNUNET_TRANSPORT_TESTING_TestMessage *hdr)
{
static int n;
unsigned int s;
- char cbuf[GNUNET_SERVER_MAX_MESSAGE_SIZE - 1];
- const struct TestMessage *hdr;
+ char cbuf[GNUNET_MAX_MESSAGE_SIZE - 1];
- hdr = (const struct TestMessage *) message;
- s = get_size (n);
- if (MTYPE != ntohs (message->type))
+ if (GNUNET_TRANSPORT_TESTING_SIMPLE_MTYPE != ntohs (hdr->header.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)
+ s = get_size (ntohl (hdr->num));
+
+ if (ntohs (hdr->header.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);
+ (uint32_t) ntohl (hdr->num),
+ s,
+ ntohs (hdr->header.size),
+ (uint32_t) ntohl (hdr->num));
+ ccc->global_ret = GNUNET_SYSERR;
+ GNUNET_SCHEDULER_shutdown ();
return;
}
- memset (cbuf, n, s - sizeof (struct TestMessage));
- if (0 != memcmp (cbuf, &hdr[1], s - sizeof (struct TestMessage)))
+
+ memset (cbuf,
+ ntohl (hdr->num),
+ s - sizeof(struct GNUNET_TRANSPORT_TESTING_TestMessage));
+ if (0 !=
+ memcmp (cbuf,
+ &hdr[1],
+ s - sizeof(struct GNUNET_TRANSPORT_TESTING_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);
+ "Expected message %u with bits %u, but body did not match\n",
+ (uint32_t) ntohl (hdr->num),
+ (unsigned char) ntohl (hdr->num));
+ ccc->global_ret = GNUNET_SYSERR;
+ GNUNET_SCHEDULER_shutdown ();
return;
}
#if VERBOSE
- if (ntohl (hdr->num) % 5000 == 0)
+ if (0 == ntohl (hdr->num) % 5)
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Got message %u of size %u\n",
- ntohl (hdr->num), ntohs (message->size));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Got message %u of size %u\n",
+ (uint32_t) ntohl (hdr->num),
+ ntohs (hdr->header.size));
}
#endif
n++;
- if (0 == (n % (TOTAL_MSGS / 100)))
- {
- fprintf (stderr, ".");
- 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, "All 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;
-
- if (buf == NULL)
- {
- GNUNET_break (0);
- ok = 42;
- return 0;
- }
- th = NULL;
- 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)
- {
- 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 */
- }
- while (size - ret >= s);
- if (n < TOTAL_MSGS)
- {
- if (th == NULL)
- th = GNUNET_TRANSPORT_notify_transmit_ready (p2->th, &p1->id, s, 0,
- TIMEOUT, ¬ify_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)
+ if (GNUNET_SYSERR == set_bit (ntohl (hdr->num)))
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "All messages sent\n");
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Message id %u is bigger than maxmimum number of messages %u expected\n",
+ (uint32_t) ntohl (hdr->num),
+ TOTAL_MSGS / xhdr);
}
- return ret;
-}
-
-
-static void
-notify_connect (void *cls, const struct GNUNET_PeerIdentity *peer,
- const struct GNUNET_TRANSPORT_ATS_Information *ats,
- uint32_t ats_count)
-{
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peer `%4s' connected to us (%p)!\n",
- GNUNET_i2s (peer), cls);
-
- if (cls == p1)
+ if (0 == (n % (TOTAL_MSGS / xhdr / 100)))
{
- GNUNET_TRANSPORT_set_quota (p1->th, &p2->id,
- GNUNET_BANDWIDTH_value_init (1024 * 1024 *
- 1024),
- GNUNET_BANDWIDTH_value_init (1024 * 1024 *
- 1024));
+ fprintf (stderr, "%s", ".");
}
- else if (cls == p2)
+ if (n == TOTAL_MSGS / xhdr)
{
- GNUNET_TRANSPORT_set_quota (p2->th, &p1->id,
- GNUNET_BANDWIDTH_value_init (1024 * 1024 *
- 1024),
- GNUNET_BANDWIDTH_value_init (1024 * 1024 *
- 1024));
+ /* end testcase with success */
+ ccc->global_ret = GNUNET_OK;
+ GNUNET_SCHEDULER_shutdown ();
}
}
-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
-sendtask ()
-{
- start_time = GNUNET_TIME_absolute_get ();
- th = GNUNET_TRANSPORT_notify_transmit_ready (p2->th, &p1->id, get_size (0), 0,
- TIMEOUT, ¬ify_ready, NULL);
-}
-
-static void
-testing_connect_cb (struct PeerContext *p1, struct PeerContext *p2, void *cls)
-{
- char *p1_c = strdup (GNUNET_i2s (&p1->id));
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Peers connected: %s <-> %s\n", p1_c,
- GNUNET_i2s (&p2->id));
- GNUNET_free (p1_c);
-
- // FIXME: THIS IS REQUIRED! SEEMS TO BE A BUG!
- GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &sendtask, 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 (cfg_file_p1, ¬ify_receive,
- ¬ify_connect, ¬ify_disconnect,
- NULL);
- p2 = GNUNET_TRANSPORT_TESTING_start_peer (cfg_file_p2, ¬ify_receive,
- ¬ify_connect, ¬ify_disconnect,
- NULL);
-
- GNUNET_TRANSPORT_TESTING_connect_peers (p1, p2, &testing_connect_cb, NULL);
-}
-
-static int
-check ()
-{
- static char *const argv[] = { "test-transport-api-reliability",
- "-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-transport-api-reliability", "nohelp", options, &run,
- &ok);
-
- return ok;
-}
-
int
main (int argc, char *argv[])
{
- int ret;
- int nat_res;
-
- GNUNET_log_setup ("test-transport-api-reliability",
-#if VERBOSE
- "DEBUG",
-#else
- "WARNING",
-#endif
- NULL);
-
- char *pch = strdup (argv[0]);
- char *backup = pch;
- char *filename = NULL;
- char *dotexe;
- char *src_name = strdup (__FILE__);
- char *split = NULL;
-
- /* get executable filename */
- pch = strtok (pch, "/");
- while (pch != NULL)
- {
- pch = strtok (NULL, "/");
- if (pch != NULL)
- filename = pch;
- }
- /* remove "lt-" */
- filename = strstr (filename, "tes");
- if (NULL != (dotexe = strstr (filename, ".exe")))
- dotexe[0] = '\0';
-
- split = strstr (src_name, ".");
- if (split != NULL)
- {
- split[0] = '\0';
- test_name = strdup (&filename[strlen (src_name) + 1]);
- }
- else
- test_name = NULL;
-
- GNUNET_free (src_name);
- GNUNET_free (backup);
-
- if ((strstr (argv[0], "tcp_nat") != NULL) ||
- (strstr (argv[0], "udp_nat") != NULL))
- {
- nat_res = GNUNET_OS_check_helper_binary ("gnunet-nat-server");
- if (GNUNET_NO == nat_res)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Cannot run NAT test: `%s' %s \n",
- "gnunet-nat-server", "SUID not set");
- return 0;
- }
- if (GNUNET_SYSERR == nat_res)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Cannot run NAT test: `%s' %s \n",
- "gnunet-nat-server", "file not found");
- return 0;
- }
- }
-
- 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_non_null (test_name);
+ if (0 == strstr (argv[0], "xhdr"))
+ xhdr = 30;
+ struct GNUNET_TRANSPORT_TESTING_SendClosure sc = {
+ .num_messages = TOTAL_MSGS / xhdr,
+ .get_size_cb = &get_size_cnt
+ };
+ struct GNUNET_TRANSPORT_TESTING_ConnectCheckContext my_ccc = {
+ .connect_continuation = &GNUNET_TRANSPORT_TESTING_simple_send,
+ .connect_continuation_cls = &sc,
+ .config_file = "test_transport_api_data.conf",
+ .rec = ¬ify_receive,
+ .nc = &GNUNET_TRANSPORT_TESTING_log_connect,
+ .nd = &GNUNET_TRANSPORT_TESTING_log_disconnect,
+ .shutdown_task = &custom_shutdown,
+ .timeout = TIMEOUT,
+ .global_ret = GNUNET_SYSERR
+ };
- return ret;
+ ccc = &my_ccc;
+ sc.ccc = ccc;
+ start_time = GNUNET_TIME_absolute_get ();
+ if (GNUNET_OK !=
+ GNUNET_TRANSPORT_TESTING_main (2,
+ &GNUNET_TRANSPORT_TESTING_connect_check,
+ ccc))
+ return 1;
+ return 0;
}