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/*
This file is part of GNUnet.
(C) 2001, 2002, 2004, 2005, 2006, 2007, 2009 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/gnunet-ats.c
* @brief ATS command line tool
* @author Matthias Wachs
*/
#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_ats_service.h"
#include "gnunet_transport_service.h"
#define TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 5)
/**
* Final status code.
*/
static int ret;
static int results;
static int resolve_addresses_numeric;
static struct GNUNET_ATS_PerformanceHandle *ph;
static struct GNUNET_CONFIGURATION_Handle *cfg;
GNUNET_SCHEDULER_TaskIdentifier end_task;
struct PendingResolutions
{
struct PendingResolutions *next;
struct PendingResolutions *prev;
struct GNUNET_HELLO_Address *address;
struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out;
struct GNUNET_BANDWIDTH_Value32NBO bandwidth_in;
struct GNUNET_TRANSPORT_AddressToStringContext * tats_ctx;
};
struct PendingResolutions *head;
struct PendingResolutions *tail;
void transport_addr_to_str_cb (void *cls, const char *address)
{
struct PendingResolutions * pr = cls;
if (NULL != address)
{
fprintf (stderr, _("Peer `%s' plugin `%s', address `%s', bandwidth out: %u Bytes/s, bandwidth in %u Bytes/s\n"),
GNUNET_i2s (&pr->address->peer), pr->address->transport_name, address,
ntohl (pr->bandwidth_out.value__), ntohl (pr->bandwidth_in.value__));
}
else if (NULL != pr)
{
/* We're done */
GNUNET_CONTAINER_DLL_remove (head, tail, pr);
GNUNET_free (pr->address);
GNUNET_free (pr);
}
}
void ats_perf_cb (void *cls,
const struct
GNUNET_HELLO_Address *
address,
struct
GNUNET_BANDWIDTH_Value32NBO
bandwidth_out,
struct
GNUNET_BANDWIDTH_Value32NBO
bandwidth_in,
const struct
GNUNET_ATS_Information *
ats, uint32_t ats_count)
{
struct PendingResolutions * pr;
pr = GNUNET_malloc (sizeof (struct PendingResolutions));
pr->address = GNUNET_HELLO_address_copy (address);
pr->bandwidth_in = bandwidth_in;
pr->bandwidth_out = bandwidth_out;
pr->tats_ctx = GNUNET_TRANSPORT_address_to_string(cfg, address,
resolve_addresses_numeric, GNUNET_TIME_UNIT_FOREVER_REL, transport_addr_to_str_cb, pr);
GNUNET_CONTAINER_DLL_insert (head, tail, pr);
results++;
}
void end (void *cls,
const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct PendingResolutions * pr;
struct PendingResolutions * next;
unsigned int pending;
GNUNET_ATS_performance_done (ph);
ph = NULL;
pending = 0;
next = head;
while (NULL != (pr = next))
{
next = pr->next;
GNUNET_CONTAINER_DLL_remove (head, tail, pr);
GNUNET_TRANSPORT_address_to_string_cancel (pr->tats_ctx);
GNUNET_free (pr->address);
GNUNET_free (pr);
pending ++;
}
if (0 < pending)
fprintf (stderr, _("%u address resolutions had a timeout\n"), pending);
fprintf (stderr, _("ATS returned results for %u addresses\n"), results);
ret = 0;
}
void testservice_ats (void *cls,
const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct GNUNET_CONFIGURATION_Handle *cfg = cls;
if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_TIMEOUT))
{
FPRINTF (stderr, _("Service `%s' is not running\n"), "ats");
return;
}
results = 0;
ph = GNUNET_ATS_performance_init (cfg, ats_perf_cb, NULL);
if (NULL == ph)
fprintf (stderr, _("Cannot connect to ATS service, exiting...\n"));
end_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT, &end, NULL);
ret = 1;
}
/**
* Main function that will be run by the scheduler.
*
* @param cls closure
* @param args remaining command-line arguments
* @param cfgfile name of the configuration file used (for saving, can be NULL!)
* @param cfg configuration
*/
static void
run (void *cls, char *const *args, const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *my_cfg)
{
cfg = (struct GNUNET_CONFIGURATION_Handle *) my_cfg;
GNUNET_CLIENT_service_test ("ats", cfg,
GNUNET_TIME_UNIT_MINUTES,
&testservice_ats,
(void *) cfg);
}
/**
* The main function.
*
* @param argc number of arguments from the command line
* @param argv command line arguments
* @return 0 ok, 1 on error
*/
int
main (int argc, char *const *argv)
{
int res;
resolve_addresses_numeric = GNUNET_NO;
static const struct GNUNET_GETOPT_CommandLineOption options[] = {
{'n', "numeric", NULL,
gettext_noop ("do not resolve hostnames"),
0, &GNUNET_GETOPT_set_one, &resolve_addresses_numeric},
GNUNET_GETOPT_OPTION_END
};
if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
return 2;
res = GNUNET_PROGRAM_run (argc, argv, "gnunet-ats",
gettext_noop ("Print information about ATS state"), options, &run,
NULL);
GNUNET_free ((void *) argv);
if (GNUNET_OK == res)
return ret;
else
return 1;
}
/* end of gnunet-ats.c */
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