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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_mlp.c
* @brief test for the MLP solver
* @author Christian Grothoff
* @author Matthias Wachs
*/
#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_statistics_service.h"
#include "gnunet_ats_service.h"
#include "gnunet-service-ats_addresses_mlp.h"
#define MLP_MAX_EXEC_DURATION GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 3)
#define MLP_MAX_ITERATIONS INT_MAX
static int ret;
struct GNUNET_STATISTICS_Handle * stats;
struct GNUNET_CONTAINER_MultiHashMap * addresses;
struct GAS_MLP_Handle *mlp;
static void
create_address (struct ATS_Address *addr, char * plugin, int ats_count, struct GNUNET_ATS_Information *ats)
{
addr->mlp_information = NULL;
addr->next = NULL;
addr->prev = NULL;
addr->plugin = GNUNET_strdup (plugin);
addr->ats_count = ats_count;
addr->ats = ats;
}
static void
set_ats (struct GNUNET_ATS_Information *ats, uint32_t type, uint32_t value)
{
ats->type = type;
ats->value = value;
}
static void
check (void *cls, char *const *args, const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *cfg)
{
#if !HAVE_LIBGLPK
GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "GLPK not installed!");
ret = 1;
return;
#endif
struct ATS_Address addr[10];
struct ATS_PreferedAddress *res[10];
struct MLP_information *mlpi;
struct GAS_MLP_SolutionContext ctx;
stats = GNUNET_STATISTICS_create("ats", cfg);
addresses = GNUNET_CONTAINER_multihashmap_create (10);
mlp = GAS_mlp_init (cfg, NULL, MLP_MAX_EXEC_DURATION, MLP_MAX_ITERATIONS);
mlp->auto_solve = GNUNET_NO;
struct GNUNET_PeerIdentity p[10];
/* Creating peer 1 */
GNUNET_CRYPTO_hash_create_random(GNUNET_CRYPTO_QUALITY_WEAK, &p[0].hashPubKey);
/* Creating peer 1 address 1 */
addr[0].peer.hashPubKey = p[0].hashPubKey;
struct GNUNET_ATS_Information a1_ats[3];
set_ats (&a1_ats[0], GNUNET_ATS_QUALITY_NET_DISTANCE, 1);
set_ats (&a1_ats[1], GNUNET_ATS_QUALITY_NET_DELAY, 0);
set_ats (&a1_ats[2], GNUNET_ATS_ARRAY_TERMINATOR, 0);
create_address (&addr[0], "dummy", 3, &a1_ats[0]);
addr[0].atsp_network_type = GNUNET_ATS_NET_LAN;
GNUNET_CONTAINER_multihashmap_put(addresses, &addr[0].peer.hashPubKey, &addr[0], GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
/* Add peer 1 address 1 */
GAS_mlp_address_update (mlp, addresses, &addr[0]);
mlpi = addr[0].mlp_information;
GNUNET_assert (mlp != NULL);
GNUNET_assert (mlp->addr_in_problem == 1);
/* Update an peer 1 address 1 */
set_ats (&a1_ats[1], GNUNET_ATS_QUALITY_NET_DELAY, 20);
GAS_mlp_address_update (mlp, addresses, &addr[0]);
GNUNET_assert (mlp->addr_in_problem == 1);
/* Update an peer 1 address 1 */
set_ats (&a1_ats[1], GNUNET_ATS_QUALITY_NET_DELAY, 10);
GAS_mlp_address_update (mlp, addresses, &addr[0]);
GNUNET_assert (mlp->addr_in_problem == 1);
/* Update an peer 1 address 1 */
set_ats (&a1_ats[1], GNUNET_ATS_QUALITY_NET_DELAY, 10);
GAS_mlp_address_update (mlp, addresses, &addr[0]);
GNUNET_assert (mlp->addr_in_problem == 1);
/* Update an peer 1 address 1 */
set_ats (&a1_ats[1], GNUNET_ATS_QUALITY_NET_DELAY, 30);
GAS_mlp_address_update (mlp, addresses, &addr[0]);
GNUNET_assert (mlp->addr_in_problem == 1);
GNUNET_assert (GNUNET_OK == GAS_mlp_solve_problem(mlp, &ctx));
GNUNET_assert (GNUNET_OK == ctx.lp_result);
GNUNET_assert (GNUNET_OK == ctx.mlp_result);
res[0] = GAS_mlp_get_preferred_address(mlp, addresses, &p[0]);
GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Preferred address `%s' outbound bandwidth: %u Bps\n",res[0]->address->plugin, res[0]->bandwidth_out);
GNUNET_free (res[0]);
/* Delete an address */
GNUNET_CONTAINER_multihashmap_remove (addresses, &addr[0].peer.hashPubKey, &addr[0]);
GAS_mlp_address_delete (mlp, addresses, &addr[0]);
GNUNET_assert (mlp->addr_in_problem == 0);
GAS_mlp_done (mlp);
GNUNET_free (addr[0].plugin);
GNUNET_CONTAINER_multihashmap_destroy (addresses);
GNUNET_STATISTICS_destroy(stats, GNUNET_NO);
ret = 0;
return;
}
int
main (int argc, char *argv[])
{
static char *const argv2[] = { "test_ats_mlp",
"-c",
"test_ats_api.conf",
"-L", "WARNING",
NULL
};
static struct GNUNET_GETOPT_CommandLineOption options[] = {
GNUNET_GETOPT_OPTION_END
};
GNUNET_PROGRAM_run ((sizeof (argv2) / sizeof (char *)) - 1, argv2,
"test_ats_mlp", "nohelp", options,
&check, NULL);
return ret;
}
/* end of file test_ats_api_bandwidth_consumption.c */
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