--- /dev/null
+/*
+ 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 core/test_core_api_reliability.c
+ * @brief testcase for core_api.c focusing on reliable transmission (with TCP)
+ *
+ * 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_YES
+
+#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, 60)
+
+#define MTYPE 12345
+
+
+static unsigned long long total_bytes;
+
+static struct GNUNET_TIME_Absolute start_time;
+
+/**
+ * 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 (60000 * 2)
+
+struct PeerContext
+{
+ struct GNUNET_CONFIGURATION_Handle *cfg;
+ struct GNUNET_CORE_Handle *ch;
+ struct GNUNET_PeerIdentity id;
+ struct GNUNET_TRANSPORT_Handle *th;
+ struct GNUNET_MessageHeader *hello;
+ int connect_status;
+#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
+
+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
+terminate_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ unsigned long long delta;
+
+ GNUNET_CORE_disconnect (p1.ch);
+ GNUNET_CORE_disconnect (p2.ch);
+ GNUNET_TRANSPORT_disconnect (p1.th);
+ GNUNET_TRANSPORT_disconnect (p2.th);
+ delta = GNUNET_TIME_absolute_get_duration (start_time).value;
+ fprintf (stderr,
+ "\nThroughput was %llu kb/s\n",
+ total_bytes * 1000 / 1024 / delta);
+ ok = 0;
+}
+
+
+static void
+terminate_task_error (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ GNUNET_break (0);
+ GNUNET_CORE_disconnect (p1.ch);
+ GNUNET_CORE_disconnect (p2.ch);
+ GNUNET_TRANSPORT_disconnect (p1.th);
+ GNUNET_TRANSPORT_disconnect (p2.th);
+ ok = 42;
+}
+
+
+static void
+connect_notify (void *cls,
+ const struct GNUNET_PeerIdentity *peer,
+ struct GNUNET_TIME_Relative latency,
+ uint32_t distance)
+{
+ struct PeerContext *pc = cls;
+ GNUNET_assert (pc->connect_status == 0);
+ pc->connect_status = 1;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Encrypted connection established to peer `%4s'\n",
+ GNUNET_i2s (peer));
+}
+
+
+static void
+disconnect_notify (void *cls,
+ const struct GNUNET_PeerIdentity *peer)
+{
+ struct PeerContext *pc = cls;
+ pc->connect_status = 0;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Encrypted connection to `%4s' cut\n", GNUNET_i2s (peer));
+}
+
+
+static int
+inbound_notify (void *cls,
+ const struct GNUNET_PeerIdentity *other,
+ const struct GNUNET_MessageHeader *message,
+ struct GNUNET_TIME_Relative latency,
+ uint32_t distance)
+{
+ 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,
+ struct GNUNET_TIME_Relative latency,
+ uint32_t distance)
+{
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Core notifies about outbound data for `%4s'.\n",
+ GNUNET_i2s (other));
+ return GNUNET_OK;
+}
+
+
+static GNUNET_SCHEDULER_TaskIdentifier err_task;
+
+
+static int
+process_mtype (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 GNUNET_SYSERR;
+ 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, err_task);
+ err_task = GNUNET_SCHEDULER_add_now (sched, &terminate_task_error, NULL);
+ return GNUNET_SYSERR;
+ }
+ 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, err_task);
+ err_task = GNUNET_SCHEDULER_add_now (sched, &terminate_task_error, NULL);
+ return GNUNET_SYSERR;
+ }
+#if VERBOSE
+ 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, ".");
+ if (n == TOTAL_MSGS)
+ {
+ GNUNET_SCHEDULER_cancel (sched, err_task);
+ GNUNET_SCHEDULER_add_now (sched, &terminate_task, NULL);
+ }
+ return GNUNET_OK;
+}
+
+
+static struct GNUNET_CORE_MessageHandler handlers[] = {
+ {&process_mtype, MTYPE, 0},
+ {NULL, 0, 0}
+};
+
+
+static size_t
+transmit_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);
+#if VERBOSE
+ 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)
+ GNUNET_break (NULL !=
+ GNUNET_CORE_notify_transmit_ready (p1.ch,
+ 0,
+ GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 45),
+ &p2.id,
+ sizeof (struct GNUNET_MessageHeader),
+ &transmit_ready, &p1));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Returning total message block of size %u\n",
+ ret);
+ total_bytes += ret;
+ return ret;
+}
+
+
+
+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,
+ &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));
+ err_task =
+ GNUNET_SCHEDULER_add_delayed (sched,
+ GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 120),
+ &terminate_task_error,
+ NULL);
+ start_time = GNUNET_TIME_absolute_get ();
+ GNUNET_break (NULL !=
+ GNUNET_CORE_notify_transmit_ready (p1.ch,
+ 0,
+ GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 45),
+ &p2.id,
+ sizeof (struct GNUNET_MessageHeader),
+ &transmit_ready, &p1));
+ }
+}
+
+
+static void
+process_hello (void *cls,
+ const struct GNUNET_MessageHeader *message)
+{
+ struct PeerContext *p = cls;
+
+ GNUNET_TRANSPORT_get_hello_cancel (p->th, &process_hello, p);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received (my) `%s' from transport service\n",
+ "HELLO");
+ 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 (NULL, NULL, "gnunet-service-arm",
+ "gnunet-service-arm",
+#if VERBOSE
+ "-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, NULL, NULL, NULL);
+ GNUNET_assert (p->th != NULL);
+ GNUNET_TRANSPORT_get_hello (p->th, &process_hello, p);
+}
+
+
+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;
+ 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,
+ &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 (GNUNET_OS_process_wait(p->arm_pid) != GNUNET_OK)
+ 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-reliability",
+ "-c",
+ "test_core_api_data.conf",
+#if VERBOSE
+ "-L", "DEBUG",
+#endif
+ NULL
+ };
+ struct GNUNET_GETOPT_CommandLineOption options[] = {
+ GNUNET_GETOPT_OPTION_END
+ };
+ ok = 1;
+ GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1,
+ argv, "test-core-api-reliability", "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 ();
+ GNUNET_DISK_directory_remove ("/tmp/test-gnunet-core-peer-1");
+ GNUNET_DISK_directory_remove ("/tmp/test-gnunet-core-peer-2");
+
+ return ret;
+}
+
+/* end of test_core_api_reliability.c */
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