/*
This file is part of GNUnet.
Copyright (C) 2010, 2012 GNUnet e.V.
GNUnet is free software: you can redistribute it and/or modify it
under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License,
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
Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see .
SPDX-License-Identifier: AGPL3.0-or-later
*/
/**
* @file fs/perf_gnunet_service_fs_p2p.c
* @brief profile P2P routing using simple publish + download operation
* @author Christian Grothoff
*/
#include "platform.h"
#include "fs_test_lib.h"
#include "gnunet_testbed_service.h"
#define VERBOSE GNUNET_NO
/**
* File-size we use for testing.
*/
#define FILESIZE (1024 * 1024 * 10)
/**
* How long until we give up on transmitting the message?
*/
#define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 30)
#define NUM_DAEMONS 2
#define SEED 42
static struct GNUNET_TESTBED_Peer *daemons[NUM_DAEMONS];
static int ok;
static struct GNUNET_TIME_Absolute start_time;
static const char *progname;
static struct GNUNET_TIME_Absolute start_time;
/**
* Master context for 'stat_run'.
*/
struct StatMaster
{
struct GNUNET_STATISTICS_Handle *stat;
struct GNUNET_TESTBED_Operation *op;
unsigned int daemon;
unsigned int value;
};
struct StatValues
{
const char *subsystem;
const char *name;
};
/**
* Statistics we print out.
*/
static struct StatValues stats[] = {
{ "fs", "# queries forwarded" },
{ "fs", "# replies received and matched" },
{ "fs", "# results found locally" },
{ "fs", "# requests forwarded due to high load" },
{ "fs", "# requests done for free (low load)" },
{ "fs", "# requests dropped, priority insufficient" },
{ "fs", "# requests done for a price (normal load)" },
{ "fs", "# requests dropped by datastore (queue length limit)" },
{ "fs", "# P2P searches received" },
{ "fs", "# P2P searches discarded (queue length bound)" },
{ "fs", "# replies received for local clients" },
{ "fs", "# queries retransmitted to same target" },
{ "core", "# bytes decrypted" },
{ "core", "# bytes encrypted" },
{ "core", "# discarded CORE_SEND requests" },
{ "core", "# discarded CORE_SEND request bytes" },
{ "core", "# discarded lower priority CORE_SEND requests" },
{ "core", "# discarded lower priority CORE_SEND request bytes" },
{ "transport", "# bytes received via TCP" },
{ "transport", "# bytes transmitted via TCP" },
{ "datacache", "# bytes stored" },
{ NULL, NULL }
};
/**
* Callback function to process statistic values.
*
* @param cls closure
* @param subsystem name of subsystem that created the statistic
* @param name the name of the datum
* @param value the current value
* @param is_persistent #GNUNET_YES if the value is persistent, #GNUNET_NO if not
* @return #GNUNET_OK to continue, #GNUNET_SYSERR to abort iteration
*/
static int
print_stat (void *cls, const char *subsystem, const char *name, uint64_t value,
int is_persistent)
{
struct StatMaster *sm = cls;
fprintf (stderr,
"Peer %2u: %12s/%50s = %12llu\n",
sm->daemon,
subsystem,
name,
(unsigned long long) value);
return GNUNET_OK;
}
/**
* Function that gathers stats from all daemons.
*/
static void
stat_run (void *cls,
struct GNUNET_TESTBED_Operation *op,
void *ca_result,
const char *emsg);
/**
* Function called when GET operation on stats is done.
*/
static void
get_done (void *cls, int success)
{
struct StatMaster *sm = cls;
GNUNET_break (GNUNET_OK == success);
sm->value++;
stat_run (sm, sm->op, sm->stat, NULL);
}
/**
* Adapter function called to establish a connection to
* statistics service.
*
* @param cls closure
* @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 *
statistics_connect_adapter (void *cls,
const struct GNUNET_CONFIGURATION_Handle *cfg)
{
return GNUNET_STATISTICS_create ("",
cfg);
}
/**
* Adapter function called to destroy a connection to
* statistics service.
*
* @param cls closure
* @param op_result service handle returned from the connect adapter
*/
static void
statistics_disconnect_adapter (void *cls,
void *op_result)
{
GNUNET_STATISTICS_destroy (op_result, GNUNET_NO);
}
/**
* Function that gathers stats from all daemons.
*/
static void
stat_run (void *cls,
struct GNUNET_TESTBED_Operation *op,
void *ca_result,
const char *emsg)
{
struct StatMaster *sm = cls;
if (NULL != emsg)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Failed to statistics service: %s\n",
emsg);
GNUNET_SCHEDULER_shutdown ();
return;
}
sm->stat = ca_result;
if (stats[sm->value].name != NULL)
{
GNUNET_STATISTICS_get (sm->stat,
#if 0
NULL, NULL,
#else
stats[sm->value].subsystem, stats[sm->value].name,
#endif
&get_done, &print_stat,
sm);
return;
}
GNUNET_TESTBED_operation_done (sm->op);
sm->value = 0;
sm->daemon++;
if (NUM_DAEMONS == sm->daemon)
{
GNUNET_free (sm);
GNUNET_SCHEDULER_shutdown ();
return;
}
sm->op =
GNUNET_TESTBED_service_connect (NULL,
daemons[sm->daemon],
"statistics",
&stat_run, sm,
&statistics_connect_adapter,
&statistics_disconnect_adapter,
NULL);
}
static void
do_report (void *cls)
{
char *fn = cls;
struct GNUNET_TIME_Relative del;
char *fancy;
struct StatMaster *sm;
if (NULL != fn)
{
GNUNET_DISK_directory_remove (fn);
GNUNET_free (fn);
}
if (0 ==
GNUNET_TIME_absolute_get_remaining (GNUNET_TIME_absolute_add (start_time,
TIMEOUT)).
rel_value_us)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Timeout during download, shutting down with error\n");
ok = 1;
GNUNET_SCHEDULER_shutdown ();
return;
}
del = GNUNET_TIME_absolute_get_duration (start_time);
if (del.rel_value_us == 0)
del.rel_value_us = 1;
fancy =
GNUNET_STRINGS_byte_size_fancy (((unsigned long long) FILESIZE)
* 1000000LL / del.rel_value_us);
fprintf (stdout,
"Download speed was %s/s\n",
fancy);
GNUNET_free (fancy);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Finished download, shutting down\n");
sm = GNUNET_new (struct StatMaster);
sm->op =
GNUNET_TESTBED_service_connect (NULL,
daemons[sm->daemon],
"statistics",
&stat_run, sm,
&statistics_connect_adapter,
&statistics_disconnect_adapter,
NULL);
}
static void
do_download (void *cls,
const struct GNUNET_FS_Uri *uri,
const char *fn)
{
int anonymity;
if (NULL == uri)
{
GNUNET_SCHEDULER_shutdown ();
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Timeout during upload attempt, shutting down with error\n");
ok = 1;
return;
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Downloading %llu bytes\n",
(unsigned long long) FILESIZE);
start_time = GNUNET_TIME_absolute_get ();
if (NULL != strstr (progname, "dht"))
anonymity = 0;
else
anonymity = 1;
start_time = GNUNET_TIME_absolute_get ();
GNUNET_FS_TEST_download (daemons[0],
TIMEOUT,
anonymity,
SEED,
uri,
VERBOSE,
&do_report,
(NULL == fn) ? NULL : GNUNET_strdup (fn));
}
static void
do_publish (void *cls,
struct GNUNET_TESTBED_RunHandle *h,
unsigned int num_peers,
struct GNUNET_TESTBED_Peer **peers,
unsigned int links_succeeded,
unsigned int links_failed)
{
unsigned int i;
int do_index;
int anonymity;
GNUNET_assert (NUM_DAEMONS == num_peers);
for (i = 0; i < num_peers; i++)
daemons[i] = peers[i];
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Publishing %llu bytes\n",
(unsigned long long) FILESIZE);
if (NULL != strstr (progname, "index"))
do_index = GNUNET_YES;
else
do_index = GNUNET_NO;
if (NULL != strstr (progname, "dht"))
anonymity = 0;
else
anonymity = 1;
GNUNET_FS_TEST_publish (daemons[NUM_DAEMONS - 1], TIMEOUT, anonymity,
do_index, FILESIZE, SEED, VERBOSE, &do_download,
NULL);
}
int
main (int argc, char *argv[])
{
progname = argv[0];
(void) GNUNET_TESTBED_test_run ("perf-gnunet-service-fs-p2p",
"perf_gnunet_service_fs_p2p.conf",
NUM_DAEMONS,
0, NULL, NULL,
&do_publish, NULL);
GNUNET_DISK_directory_remove ("/tmp/gnunet-test-fs-lib/");
return ok;
}
/* end of perf_gnunet_service_fs_p2p.c */