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/*
This file is part of GNUnet.
(C) 2010,2011 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 ats/test_ats.c
* @brief ats benchmark: start peers and modify preferences, monitor change over time
* @author Christian Grothoff
* @author Matthias Wachs
*/
#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_testbed_service.h"
#include "gnunet_ats_service.h"
#define TEST_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5)
#define TESTNAME_PREFIX "perf_ats_"
#define NUM_PEERS 4 /* At least 2 */
/**
* Information we track for a peer in the testbed.
*/
struct BenchmarkPeer
{
/**
* Handle with testbed.
*/
struct GNUNET_TESTBED_Peer *daemon;
/**
* Testbed operation to connect to statistics service
*/
struct GNUNET_TESTBED_Operation *stat_op;
struct GNUNET_ATS_PerformanceHandle *p_handle;
struct GNUNET_ATS_SchedulingHandle *s_handle;
};
struct BenchmarkPeer ph[NUM_PEERS];
/**
* Shutdown task
*/
static GNUNET_SCHEDULER_TaskIdentifier shutdown_task;
static int result;
static char *solver;
static char *preference;
/**
* Shutdown nicely
*
* @param cls NULL
* @param tc the task context
*/
static void
do_shutdown (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
shutdown_task = GNUNET_SCHEDULER_NO_TASK;
GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Benchmarking done\n"));
GNUNET_SCHEDULER_shutdown();
}
/**
* Controller event callback
*
* @param cls NULL
* @param event the controller event
*/
static void
controller_event_cb (void *cls,
const struct GNUNET_TESTBED_EventInformation *event)
{
}
static void
ats_performance_info_cb (void *cls,
const struct GNUNET_HELLO_Address *address,
int address_active,
struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out,
struct GNUNET_BANDWIDTH_Value32NBO bandwidth_in,
const struct GNUNET_ATS_Information *ats,
uint32_t ats_count)
{
}
/**
* Called to open a connection to the peer's ATS performance
*
* @param cls peer context
* @param cfg configuration of the peer to connect to; will be available until
* GNUNET_TESTBED_operation_done() is called on the operation returned
* from GNUNET_TESTBED_service_connect()
* @return service handle to return in 'op_result', NULL on error
*/
static void *
ats_perf_connect_adapter (void *cls,
const struct GNUNET_CONFIGURATION_Handle *cfg)
{
struct BenchmarkPeer *peer = cls;
peer->p_handle = GNUNET_ATS_performance_init (cfg, &ats_performance_info_cb, peer);
if (NULL == peer->p_handle)
GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to create ATS performance handle \n");
return peer->p_handle;
}
/**
* Called to disconnect from peer's statistics service
*
* @param cls peer context
* @param op_result service handle returned from the connect adapter
*/
static void
ats_perf_disconnect_adapter (void *cls, void *op_result)
{
struct BenchmarkPeer *peer = cls;
GNUNET_ATS_performance_done(peer->p_handle);
peer->p_handle = NULL;
}
/**
* Signature of a main function for a testcase.
*
* @param cls closure
* @param num_peers number of peers in 'peers'
* @param peers_ handle to peers run in the testbed
* @param links_succeeded the number of overlay link connection attempts that
* succeeded
* @param links_failed the number of overlay link connection attempts that
* failed
*/
static void
test_master (void *cls, unsigned int num_peers,
struct GNUNET_TESTBED_Peer **peers_,
unsigned int links_succeeded,
unsigned int links_failed)
{
int c_p;
GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Benchmarking solver `%s' on preference `%s'\n"), solver, preference);
shutdown_task = GNUNET_SCHEDULER_add_delayed (TEST_TIMEOUT, &do_shutdown, NULL);
GNUNET_assert (NULL == cls);
GNUNET_assert (NUM_PEERS == num_peers);
GNUNET_assert (NULL != peers_);
for (c_p = 0; c_p < num_peers; c_p++)
{
GNUNET_assert (NULL != peers_[c_p]);
/* Connect to ATS service */
/*
ph[c_p].stat_op = GNUNET_TESTBED_service_connect (NULL,
peers_[c_p], "ats",
NULL, &ph[c_p],
&ats_perf_connect_adapter,
&ats_perf_disconnect_adapter,
&ph[c_p]);
*/
}
}
int
main (int argc, char *argv[])
{
char *tmp;
char *tmp_sep;
char *test_name;
char *conf_name;
result = 1;
/* figure out testname */
tmp = strstr (argv[0], TESTNAME_PREFIX);
if (NULL == tmp)
{
fprintf (stderr, "Unable to parse test name `%s'\n", argv[0]);
return GNUNET_SYSERR;
}
tmp += strlen(TESTNAME_PREFIX);
solver = GNUNET_strdup (tmp);
tmp_sep = strchr (solver, '_');
if (NULL == tmp_sep)
{
fprintf (stderr, "Unable to parse test name `%s'\n", argv[0]);
GNUNET_free (solver);
return GNUNET_SYSERR;
}
tmp_sep[0] = '\0';
preference = GNUNET_strdup(tmp_sep + 1);
GNUNET_asprintf(&conf_name, "%s%s_%s.conf", TESTNAME_PREFIX, solver, preference);
GNUNET_asprintf(&test_name, "%s%s_%s", TESTNAME_PREFIX, solver, preference);
/* Start topology */
uint64_t event_mask;
result = GNUNET_SYSERR;
event_mask = 0;
event_mask |= (1LL << GNUNET_TESTBED_ET_CONNECT);
event_mask |= (1LL << GNUNET_TESTBED_ET_OPERATION_FINISHED);
(void) GNUNET_TESTBED_test_run (test_name,
conf_name, NUM_PEERS,
event_mask, &controller_event_cb, NULL,
&test_master, NULL);
GNUNET_free (solver);
GNUNET_free (preference);
GNUNET_free (conf_name);
GNUNET_free (test_name);
return result;
}
/* end of file perf_ats.c */
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