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/*
This file is part of GNUnet.
(C) 2009 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 topology/test_gnunet_daemon_topology.c
* @brief testcase for topology maintenance code
*/
#include "platform.h"
#include "gnunet_testing_lib.h"
#define VERBOSE GNUNET_EXTRA_LOGGING
#define NUM_PEERS 2
/**
* How long until we give up on connecting the peers?
*/
#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 600)
#define CONNECT_ATTEMPTS 3
static int ok;
static int peers_left;
static int connect_left;
static struct GNUNET_TESTING_PeerGroup *pg;
static struct GNUNET_TESTING_Daemon *first;
static struct GNUNET_TESTING_Daemon *last;
/**
* Active connection attempt.
*/
struct GNUNET_TESTING_ConnectContext *cc[NUM_PEERS];
/**
* Check whether peers successfully shut down.
*/
static void
shutdown_callback (void *cls, const char *emsg)
{
if (emsg != NULL)
{
#if VERBOSE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Shutdown of peers failed!\n");
#endif
if (ok == 0)
ok = 666;
}
else
{
#if VERBOSE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "All peers successfully shut down!\n");
#endif
}
}
static void
clean_up_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
unsigned int i;
for (i = 0; i < NUM_PEERS; i++)
{
if (NULL != cc[i])
{
GNUNET_TESTING_daemons_connect_cancel (cc[i]);
cc[i] = NULL;
}
}
GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
ok = 0;
}
static void
notify_connect_complete (void *cls, const struct GNUNET_PeerIdentity *first,
const struct GNUNET_PeerIdentity *second,
unsigned int distance,
const struct GNUNET_CONFIGURATION_Handle *first_cfg,
const struct GNUNET_CONFIGURATION_Handle *second_cfg,
struct GNUNET_TESTING_Daemon *first_daemon,
struct GNUNET_TESTING_Daemon *second_daemon,
const char *emsg)
{
struct GNUNET_TESTING_ConnectContext **cc = cls;
unsigned int i;
*cc = NULL;
if (NULL != emsg)
{
fprintf (stderr, "Failed to connect two peers: %s\n", emsg);
for (i = 0; i < NUM_PEERS; i++)
if (NULL != cc[i])
{
GNUNET_TESTING_daemons_connect_cancel (cc[i]);
cc[i] = NULL;
}
GNUNET_TESTING_daemons_stop (pg, TIMEOUT, &shutdown_callback, NULL);
GNUNET_assert (0);
return;
}
connect_left--;
if (connect_left == 0)
{
/* FIXME: check that topology adds a few more links
* in addition to those that were seeded */
GNUNET_SCHEDULER_add_now (&clean_up_task, NULL);
}
}
static void
my_cb (void *cls, const struct GNUNET_PeerIdentity *id,
const struct GNUNET_CONFIGURATION_Handle *cfg,
struct GNUNET_TESTING_Daemon *d, const char *emsg)
{
GNUNET_assert (id != NULL);
peers_left--;
if (first == NULL)
{
connect_left = NUM_PEERS;
first = d;
last = d;
return;
}
cc[peers_left] =
GNUNET_TESTING_daemons_connect (last, d, TIMEOUT, CONNECT_ATTEMPTS,
GNUNET_YES, ¬ify_connect_complete,
&cc[peers_left]);
if (peers_left == 0)
{
/* close circle */
cc[NUM_PEERS - 1] =
GNUNET_TESTING_daemons_connect (d, first, TIMEOUT, CONNECT_ATTEMPTS,
GNUNET_YES, ¬ify_connect_complete,
&cc[NUM_PEERS - 1]);
}
}
static void
run (void *cls, char *const *args, const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *cfg)
{
ok = 1;
#if VERBOSE
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Starting daemons.\n");
#endif
peers_left = NUM_PEERS;
pg = GNUNET_TESTING_daemons_start (cfg, peers_left, peers_left, peers_left,
TIMEOUT, NULL, NULL, &my_cb, NULL, NULL,
NULL, NULL);
GNUNET_assert (pg != NULL);
}
static int
check ()
{
char *const argv[] = {
"test-gnunet-daemon-topology",
"-c",
"test_gnunet_daemon_topology_data.conf",
#if VERBOSE
"-L", "DEBUG",
#endif
NULL
};
struct GNUNET_GETOPT_CommandLineOption options[] = {
GNUNET_GETOPT_OPTION_END
};
GNUNET_PROGRAM_run ((sizeof (argv) / sizeof (char *)) - 1, argv,
"test-gnunet-daemon-topology", "nohelp", options, &run,
&ok);
return ok;
}
int
main (int argc, char *argv[])
{
int ret;
GNUNET_log_setup ("test-gnunet-daemon-topology",
#if VERBOSE
"DEBUG",
#else
"WARNING",
#endif
NULL);
ret = check ();
GNUNET_DISK_directory_remove ("/tmp/test-gnunet-topology");
return ret;
}
/* end of test_gnunet_daemon_topology.c */
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