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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/perf_ats_mlp
* @brief performance 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-service-ats_addresses_mlp.h"
#define VERBOSE GNUNET_YES
#define VERBOSE_ARM GNUNET_NO
#define MLP_MAX_EXEC_DURATION GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 3)
#define MLP_MAX_ITERATIONS INT_MAX
#define DEF_PEERS 10
#define DEF_ADDRESSES_PER_PEER 5
static unsigned int peers;
static unsigned int addresses;
struct PeerContext *p;
struct ATS_Address *a;
static int ret;
struct GNUNET_STATISTICS_Handle * stats;
struct GNUNET_CONTAINER_MultiHashMap * amap;
struct GAS_MLP_Handle *mlp;
struct GNUNET_STATISTICS_Handle * stats;
struct GNUNET_OS_Process *stats_proc;
GNUNET_SCHEDULER_TaskIdentifier shutdown_task;
struct PeerContext
{
struct GNUNET_PeerIdentity id;
struct Address *addr;
};
struct Address
{
char *plugin;
size_t plugin_len;
void *addr;
size_t addr_len;
struct GNUNET_ATS_Information *ats;
int ats_count;
void *session;
};
void
do_shutdown (void *cls,
const struct GNUNET_SCHEDULER_TaskContext *tc)
{
unsigned int ca;
for (ca=0; ca < (peers * addresses); ca++)
{
GNUNET_free (a[ca].plugin);
GNUNET_free (a[ca].ats);
}
GNUNET_CONTAINER_multihashmap_destroy(amap);
GNUNET_free (a);
GNUNET_free (p);
GNUNET_STATISTICS_destroy(stats,GNUNET_NO);
if (NULL != stats_proc)
{
if (0 != GNUNET_OS_process_kill (stats_proc, SIGTERM))
GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "kill");
if (GNUNET_OS_process_wait (stats_proc) != GNUNET_OK)
GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "waitpid");
GNUNET_OS_process_close (stats_proc);
stats_proc = NULL;
}
ret = 0;
}
int stat_it (void *cls, const char *subsystem,
const char *name, uint64_t value,
int is_persistent)
{
static int calls;
GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "%s : %llu\n", name, value);
calls ++;
if (2 == calls)
{
if (GNUNET_SCHEDULER_NO_TASK != shutdown_task)
GNUNET_SCHEDULER_cancel(shutdown_task);
shutdown_task = GNUNET_SCHEDULER_add_now(&do_shutdown, NULL);
}
return GNUNET_OK;
}
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
unsigned int c = 0;
unsigned int c2 = 0;
unsigned int ca = 0;
stats_proc = GNUNET_OS_start_process (GNUNET_YES, NULL, NULL, "gnunet-service-statistics",
"gnunet-service-statistics", NULL);
if (NULL == stats_proc)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Failed to start statistics service \n");
ret = 1;
return;
}
shutdown_task = GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_UNIT_HOURS, &do_shutdown, NULL);
if (peers == 0)
peers = DEF_PEERS;
if (addresses == 0)
addresses = DEF_ADDRESSES_PER_PEER;
p = GNUNET_malloc (peers * sizeof (struct ATS_Peer));
a = GNUNET_malloc (peers * addresses * sizeof (struct ATS_Address));
stats = GNUNET_STATISTICS_create("ats", cfg);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up %u peers with %u addresses per peer\n", peers, addresses);
amap = GNUNET_CONTAINER_multihashmap_create(addresses * peers);
mlp = GAS_mlp_init (cfg, stats, MLP_MAX_EXEC_DURATION, MLP_MAX_ITERATIONS);
mlp->auto_solve = GNUNET_NO;
for (c=0; c < peers; c++)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up peer %u\n", c);
GNUNET_CRYPTO_hash_create_random(GNUNET_CRYPTO_QUALITY_WEAK, &p[c].id.hashPubKey);
for (c2=0; c2 < addresses; c2++)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up address %u for peer %u\n", c2, c);
/* Setting required information */
a[ca].mlp_information = NULL;
a[ca].prev = NULL;
a[ca].next = NULL;
/* Setting address */
a[ca].peer = p[c].id;
a[ca].plugin = strdup("test");
a[ca].atsp_network_type = GNUNET_ATS_NET_LOOPBACK;
a[ca].ats = GNUNET_malloc (2 * sizeof (struct GNUNET_ATS_Information));
a[ca].ats[0].type = GNUNET_ATS_QUALITY_NET_DELAY;
a[ca].ats[0].value = 20;
a[ca].ats[1].type = GNUNET_ATS_QUALITY_NET_DISTANCE;
a[ca].ats[1].value = 2;
a[ca].ats_count = 2;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Setting up address %u\n", ca);
GNUNET_CONTAINER_multihashmap_put (amap, &a[ca].peer.hashPubKey, &a[ca], GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
GAS_mlp_address_update(mlp, amap, &a[ca]);
ca++;
}
}
GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Problem contains %u peers and %u adresses\n", mlp->c_p, mlp->addr_in_problem);
GNUNET_assert (peers == mlp->c_p);
GNUNET_assert (peers * addresses == mlp->addr_in_problem);
/* Solving the problem */
if (GNUNET_OK == GAS_mlp_solve_problem(mlp))
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Problem solved successfully \n");
else
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Problem solved failed \n");
GAS_mlp_done (mlp);
GNUNET_STATISTICS_get (stats, "ats", "# LP execution time (ms)", GNUNET_TIME_UNIT_MINUTES, NULL, &stat_it, NULL);
GNUNET_STATISTICS_get (stats, "ats", "# MLP execution time (ms)", GNUNET_TIME_UNIT_MINUTES, NULL, &stat_it, NULL);
return;
}
int
main (int argc, char *argv[])
{
static struct GNUNET_GETOPT_CommandLineOption options[] = {
{'a', "addresses", NULL,
gettext_noop ("addresses per peer"), 1,
&GNUNET_GETOPT_set_uint, &addresses},
{'p', "peers", NULL,
gettext_noop ("peers"), 1,
&GNUNET_GETOPT_set_uint, &peers},
GNUNET_GETOPT_OPTION_END
};
GNUNET_PROGRAM_run (argc, argv,
"perf_ats_mlp", "nohelp", options,
&check, NULL);
return ret;
}
/* end of file perf_ats_mlp.c */
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