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- /*
- 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_bidirectional_connect.c
- * @brief base test case for transport implementations
- *
- * Perform a 3-way handshake connection set up in both directions at
- * (almost) the same time
- */
- #include "platform.h"
- #include "gnunet_transport_service.h"
- #include "transport-testing.h"
- /**
- * How long until we give up on transmitting the message?
- */
- #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 120)
- /**
- * How long until we give up on transmitting the message?
- */
- #define TIMEOUT_TRANSMIT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60)
- #define MTYPE 12345
- static char *test_source;
- static char *test_plugin;
- static char *test_name;
- static int ok;
- static GNUNET_SCHEDULER_TaskIdentifier die_task;
- static GNUNET_SCHEDULER_TaskIdentifier send_task;
- static struct PeerContext *p1;
- static struct PeerContext *p2;
- static GNUNET_TRANSPORT_TESTING_ConnectRequest cc1;
- static GNUNET_TRANSPORT_TESTING_ConnectRequest cc2;
- static struct GNUNET_TRANSPORT_TransmitHandle *th;
- static struct GNUNET_TRANSPORT_TESTING_handle *tth;
- static char *cfg_file_p1;
- static char *cfg_file_p2;
- static void
- end ()
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stopping peers\n");
- if (send_task != GNUNET_SCHEDULER_NO_TASK)
- {
- GNUNET_SCHEDULER_cancel (send_task);
- send_task = GNUNET_SCHEDULER_NO_TASK;
- }
- if (die_task != GNUNET_SCHEDULER_NO_TASK)
- GNUNET_SCHEDULER_cancel (die_task);
- if (NULL != th)
- {
- GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
- th = NULL;
- }
- GNUNET_TRANSPORT_TESTING_stop_peer (tth, p1);
- GNUNET_TRANSPORT_TESTING_stop_peer (tth, p2);
- }
- static void
- end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
- {
- die_task = GNUNET_SCHEDULER_NO_TASK;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Fail! Stopping peers\n");
- if (send_task != GNUNET_SCHEDULER_NO_TASK)
- {
- GNUNET_SCHEDULER_cancel (send_task);
- send_task = GNUNET_SCHEDULER_NO_TASK;
- }
- if (NULL != cc2)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Fail! Could not connect peers\n"));
- GNUNET_TRANSPORT_TESTING_connect_peers_cancel (tth, cc2);
- cc2 = NULL;
- }
- if (NULL != cc1)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Fail! Could not connect peers\n"));
- GNUNET_TRANSPORT_TESTING_connect_peers_cancel (tth, cc1);
- cc1 = NULL;
- }
- if (NULL != th)
- {
- GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
- th = NULL;
- }
- if (p1 != NULL)
- GNUNET_TRANSPORT_TESTING_stop_peer (tth, p1);
- if (p2 != NULL)
- GNUNET_TRANSPORT_TESTING_stop_peer (tth, p2);
- ok = GNUNET_SYSERR;
- }
- static void
- notify_receive (void *cls, const struct GNUNET_PeerIdentity *peer,
- const struct GNUNET_MessageHeader *message)
- {
- struct PeerContext *p = cls;
- struct PeerContext *t = NULL;
- if (0 == memcmp (peer, &p1->id, sizeof (struct GNUNET_PeerIdentity)))
- t = p1;
- if (0 == memcmp (peer, &p2->id, sizeof (struct GNUNET_PeerIdentity)))
- t = p2;
- GNUNET_assert (t != NULL);
- char *ps = GNUNET_strdup (GNUNET_i2s (&p->id));
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Peer %u (`%4s') received message of type %d and size %u size from peer %u (`%4s')!\n",
- p->no, ps, ntohs (message->type), ntohs (message->size), t->no,
- GNUNET_i2s (&t->id));
- GNUNET_free (ps);
- if ((MTYPE == ntohs (message->type)) &&
- (sizeof (struct GNUNET_MessageHeader) == ntohs (message->size)))
- {
- ok = 0;
- end ();
- }
- else
- {
- GNUNET_break (0);
- ok = 1;
- end ();
- }
- }
- static size_t
- notify_ready (void *cls, size_t size, void *buf)
- {
- struct PeerContext *p = cls;
- struct GNUNET_MessageHeader *hdr;
- th = NULL;
- if (buf == NULL)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Timeout occurred while waiting for transmit_ready\n");
- 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;
- }
- GNUNET_assert (size >= 256);
- if (buf != NULL)
- {
- hdr = buf;
- hdr->size = htons (sizeof (struct GNUNET_MessageHeader));
- hdr->type = htons (MTYPE);
- }
- char *ps = GNUNET_strdup (GNUNET_i2s (&p2->id));
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Peer %u (`%4s') sending message with type %u and size %u bytes to peer %u (`%4s')\n",
- p2->no, ps, ntohs (hdr->type), ntohs (hdr->size), p->no,
- GNUNET_i2s (&p->id));
- GNUNET_free (ps);
- return sizeof (struct GNUNET_MessageHeader);
- }
- static void
- sendtask (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
- {
- send_task = GNUNET_SCHEDULER_NO_TASK;
- if ((tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN) != 0)
- return;
- char *receiver_s = GNUNET_strdup (GNUNET_i2s (&p1->id));
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Sending message from peer %u (`%4s') -> peer %u (`%s') !\n",
- p2->no, GNUNET_i2s (&p2->id), p1->no, receiver_s);
- GNUNET_free (receiver_s);
- th = GNUNET_TRANSPORT_notify_transmit_ready (p2->th, &p1->id, 256,
- TIMEOUT_TRANSMIT, ¬ify_ready,
- p1);
- }
- static void
- notify_connect (void *cls, const struct GNUNET_PeerIdentity *peer)
- {
- static int c;
- c++;
- GNUNET_assert (NULL != cls);
- struct PeerContext *p = cls;
- struct PeerContext *t = NULL;
- if (0 == memcmp (peer, &p1->id, sizeof (struct GNUNET_PeerIdentity)))
- t = p1;
- if (0 == memcmp (peer, &p2->id, sizeof (struct GNUNET_PeerIdentity)))
- t = p2;
- GNUNET_assert (t != NULL);
- char *ps = GNUNET_strdup (GNUNET_i2s (&p->id));
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Peer %u (`%4s'): peer %u (`%s') connected to me!\n", p->no, ps,
- t->no, GNUNET_i2s (peer));
- GNUNET_free (ps);
- }
- static void
- notify_disconnect (void *cls, const struct GNUNET_PeerIdentity *peer)
- {
- struct PeerContext *p = cls;
- char *ps = GNUNET_strdup (GNUNET_i2s (&p->id));
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Peer %u (`%4s'): peer (`%s') disconnected from me!\n",
- p->no, ps,
- GNUNET_i2s (peer));
- GNUNET_free (ps);
- if (GNUNET_SCHEDULER_NO_TASK != send_task)
- {
- GNUNET_SCHEDULER_cancel(send_task);
- GNUNET_break (0);
- send_task = GNUNET_SCHEDULER_NO_TASK;
- }
- if (NULL != th)
- {
- GNUNET_TRANSPORT_notify_transmit_ready_cancel (th);
- th = NULL;
- }
- }
- static void
- testing_connect_cb (struct PeerContext *p1, struct PeerContext *p2, void *cls)
- {
- static int connected = GNUNET_NO;
- if ((cls == cc1) && (NULL != cc2))
- {
- GNUNET_TRANSPORT_TESTING_connect_peers_cancel (tth, cc2);
- }
- if ((cls == cc2) && (NULL != cc1))
- {
- GNUNET_TRANSPORT_TESTING_connect_peers_cancel (tth, cc1);
- }
- cc1 = NULL;
- cc2 = NULL;
- if (connected > 0)
- return;
- connected ++;
- 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);
- send_task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &sendtask, NULL);
- }
- static 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;
- char *sender_c = GNUNET_strdup (GNUNET_i2s (&p1->id));
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Test tries to connect peer %u (`%s') <-> peer %u (`%s')\n",
- p1->no, sender_c, p2->no, GNUNET_i2s (&p2->id));
- GNUNET_free (sender_c);
- cc1 =
- GNUNET_TRANSPORT_TESTING_connect_peers (tth, p2, p1, &testing_connect_cb,
- cc1);
- cc2 =
- GNUNET_TRANSPORT_TESTING_connect_peers (tth, p1, p2, &testing_connect_cb,
- cc2);
- }
- 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,
- ¬ify_receive, ¬ify_connect,
- ¬ify_disconnect, &start_cb,
- NULL);
- p2 = GNUNET_TRANSPORT_TESTING_start_peer (tth, cfg_file_p2, 2,
- ¬ify_receive, ¬ify_connect,
- ¬ify_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 *const argv[] = { "test-transport-api",
- "-c",
- "test_transport_api_data.conf",
- NULL
- };
- static struct GNUNET_GETOPT_CommandLineOption options[] = {
- GNUNET_GETOPT_OPTION_END
- };
- #if WRITECONFIG
- setTransportOptions ("test_transport_api_data.conf");
- #endif
- send_task = GNUNET_SCHEDULER_NO_TASK;
- 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,
- "WARNING",
- 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);
- GNUNET_TRANSPORT_TESTING_done (tth);
- return ret;
- }
- /* end of test_transport_api_bidirectional_connect.c */
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