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/*
This file is part of GNUnet.
(C) 2012 Christian Grothoff
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 fs/gnunet-daemon-fsprofiler.c
* @brief daemon that publishes and downloads (random) files
* @author Christian Grothoff
*/
#include "platform.h"
#include "gnunet_fs_service.h"
#include "gnunet_statistics_service.h"
/**
* Return value from 'main'.
*/
static int global_ret;
/**
* Configuration we use.
*/
static const struct GNUNET_CONFIGURATION_Handle *cfg;
/**
* Handle to the statistics service.
*/
static struct GNUNET_STATISTICS_Handle *stats_handle;
/**
* Peer's FS handle.
*/
static struct GNUNET_FS_Handle *fs_handle;
/**
* Unique number for this peer in the testbed.
*/
static unsigned long long my_peerid;
/**
* Task run during shutdown.
*
* @param cls unused
* @param tc unused
*/
static void
shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
if (NULL != fs_handle)
{
GNUNET_FS_stop (fs_handle);
fs_handle = NULL;
}
if (NULL != stats_handle)
{
GNUNET_STATISTICS_destroy (stats_handle, GNUNET_YES);
stats_handle = NULL;
}
}
/**
* Notification of FS to a client about the progress of an
* operation. Callbacks of this type will be used for uploads,
* downloads and searches. Some of the arguments depend a bit
* in their meaning on the context in which the callback is used.
*
* @param cls closure
* @param info details about the event, specifying the event type
* and various bits about the event
* @return client-context (for the next progress call
* for this operation; should be set to NULL for
* SUSPEND and STOPPED events). The value returned
* will be passed to future callbacks in the respective
* field in the GNUNET_FS_ProgressInfo struct.
*/
static void *
progress_cb (void *cls,
const struct GNUNET_FS_ProgressInfo *info)
{
return NULL;
}
/**
* @brief 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 GNUNET_UNUSED,
const char *cfgfile GNUNET_UNUSED,
const struct GNUNET_CONFIGURATION_Handle *cfg_)
{
cfg = cfg_;
/* Scheduled the task to clean up when shutdown is called */
GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &shutdown_task,
NULL);
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_number (cfg,
"TESTBED", "PEERID",
&my_peerid))
{
GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
"TESTBED", "PEERID");
global_ret = GNUNET_SYSERR;
GNUNET_SCHEDULER_shutdown ();
return;
}
stats_handle = GNUNET_STATISTICS_create ("fsprofiler", cfg);
fs_handle =
GNUNET_FS_start (cfg,
"fsprofiler",
&progress_cb, NULL,
GNUNET_FS_FLAGS_NONE,
GNUNET_FS_OPTIONS_DOWNLOAD_PARALLELISM, 1,
GNUNET_FS_OPTIONS_REQUEST_PARALLELISM, 1,
GNUNET_FS_OPTIONS_END);
if (NULL == fs_handle)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Could not acquire FS handle. Exiting.\n");
global_ret = GNUNET_SYSERR;
GNUNET_SCHEDULER_shutdown ();
return;
}
}
/**
* Program that performs various "random" FS activities.
*
* @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)
{
static const struct GNUNET_GETOPT_CommandLineOption options[] = {
GNUNET_GETOPT_OPTION_END
};
if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
return 2;
return (GNUNET_OK ==
GNUNET_PROGRAM_run (argc, argv, "gnunet-daemon-fsprofiler",
gettext_noop
("Daemon to use file-sharing to measure its performance."),
options, &run, NULL)) ? global_ret : 1;
}
/* end of gnunet-daemon-fsprofiler.c */
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