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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_api_bandwidth_consumption.c
* @brief test automatic transport selection scheduling API
* @author Christian Grothoff
* @author Matthias Wachs
*/
#include "platform.h"
#include "gnunet_ats_service.h"
#include "gnunet_testing_lib.h"
#include "ats.h"
#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10)
static GNUNET_SCHEDULER_TaskIdentifier die_task;
static GNUNET_SCHEDULER_TaskIdentifier consume_task;
static struct GNUNET_ATS_SchedulingHandle *ats;
static struct GNUNET_ATS_PerformanceHandle *atp;
struct GNUNET_ATS_ReservationContext *sh;
static struct PeerContext *p;
static uint32_t bw_in;
static uint32_t bw_out;
static int ret;
struct Address
{
char *plugin;
size_t plugin_len;
void *addr;
size_t addr_len;
struct GNUNET_ATS_Information *ats;
int ats_count;
void *session;
};
struct PeerContext
{
struct GNUNET_PeerIdentity id;
struct Address *addr;
};
static void
end_badly (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
die_task = GNUNET_SCHEDULER_NO_TASK;
if (consume_task != GNUNET_SCHEDULER_NO_TASK)
{
GNUNET_SCHEDULER_cancel (consume_task);
consume_task = GNUNET_SCHEDULER_NO_TASK;
}
if (sh != NULL)
GNUNET_ATS_reserve_bandwidth_cancel (sh);
if (ats != NULL)
GNUNET_ATS_scheduling_done (ats);
if (atp != NULL)
GNUNET_ATS_performance_done (atp);
GNUNET_free (p->addr);
GNUNET_free (p);
ret = GNUNET_SYSERR;
}
static void
end ()
{
if (die_task != GNUNET_SCHEDULER_NO_TASK)
{
GNUNET_SCHEDULER_cancel (die_task);
die_task = GNUNET_SCHEDULER_NO_TASK;
}
if (consume_task != GNUNET_SCHEDULER_NO_TASK)
{
GNUNET_SCHEDULER_cancel (consume_task);
consume_task = GNUNET_SCHEDULER_NO_TASK;
}
GNUNET_ATS_scheduling_done (ats);
GNUNET_ATS_performance_done (atp);
GNUNET_free (p->addr);
GNUNET_free (p);
ret = 0;
}
static void
performance_cb (void *cls, const struct GNUNET_PeerIdentity *peer,
const char *plugin_name, const void *plugin_addr,
size_t plugin_addr_len,
struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out,
struct GNUNET_BANDWIDTH_Value32NBO bandwidth_in,
const struct GNUNET_ATS_Information *ats, uint32_t ats_count)
{
}
static void
reservation_cb (void *cls, const struct GNUNET_PeerIdentity *peer,
int32_t amount, struct GNUNET_TIME_Relative res_delay)
{
sh = NULL;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"ATS reserved bandwidth of %i to peer `%s' in %llu ms\n", amount,
GNUNET_i2s (peer), res_delay.rel_value);
}
static void
consume_bandwidth (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
consume_task = GNUNET_SCHEDULER_NO_TASK;
int32_t to_reserve = 500;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Trying to reserver bandwidth of %i to peer `%s' in %llu ms\n",
to_reserve, GNUNET_i2s (&p->id));
sh = GNUNET_ATS_reserve_bandwidth (atp, &p->id, to_reserve, &reservation_cb,
NULL);
}
static void
address_suggest_cb (void *cls, const struct GNUNET_PeerIdentity *peer,
const char *plugin_name, const void *plugin_addr,
size_t plugin_addr_len, struct Session *session,
struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out,
struct GNUNET_BANDWIDTH_Value32NBO bandwidth_in,
const struct GNUNET_ATS_Information *ats,
uint32_t ats_count)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "ATS suggested address for peer `%s'\n",
GNUNET_i2s (peer));
bw_in = ntohl (bandwidth_in.value__);
bw_out = ntohl (bandwidth_out.value__);
consume_task = GNUNET_SCHEDULER_add_now (&consume_bandwidth, NULL);
}
static void
run (void *cls,
const struct GNUNET_CONFIGURATION_Handle *cfg,
struct GNUNET_TESTING_Peer *peer)
{
struct Address *addr;
ret = GNUNET_SYSERR;
die_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end_badly, NULL);
ats = GNUNET_ATS_scheduling_init (cfg, &address_suggest_cb, NULL);
if (ats == NULL)
{
ret = GNUNET_SYSERR;
end ();
return;
}
p = GNUNET_malloc (sizeof (struct PeerContext));
addr = GNUNET_malloc (sizeof (struct Address));
atp = GNUNET_ATS_performance_init (cfg, &performance_cb, NULL);
if (atp == NULL)
{
ret = GNUNET_SYSERR;
GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to init ATS performance\n");
end_badly (NULL, NULL);
GNUNET_free (p);
GNUNET_free (addr);
return;
}
/* set up peer */
GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_WEAK,
&p->id.hashPubKey);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Created peer `%s'\n",
GNUNET_i2s (&p->id));
p->addr = addr;
addr->plugin = "test";
addr->session = NULL;
addr->addr = NULL;
addr->addr_len = 0;
GNUNET_ATS_address_update (ats, &p->id, addr->plugin, addr->addr,
addr->addr_len, addr->session, NULL, 0);
GNUNET_ATS_suggest_address (ats, &p->id);
}
int
main (int argc, char *argv[])
{
if (0 != GNUNET_TESTING_peer_run ("test_ats_api_bandwidth_consumption",
"test_ats_api.conf",
&run, NULL))
return 1;
return ret;
}
/* end of file test_ats_api_bandwidth_consumption.c */
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