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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 2, 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 src/statistics/gnunet-statistics-gtk.c
* @brief Main function of gnunet-statistics-gtk
* @author Christian Grothoff
*/
#include "gnunet_gtk.h"
#include <gnunet/gnunet_util_lib.h>
#include <gnunet/gnunet_statistics_service.h>
#include <cairo.h>
#include "gtk_statistics.h"
#define MAX_HISTORY 1280
/**
* Information about how to plot certain values.
*/
struct PlotInfo
{
/**
* Subsystem originating the value to plot.
*/
const char *subsystem;
/**
* Name of the value to plot.
*/
const char *name;
/**
* Label to use in legend.
*/
const char *label;
/**
* Name of color to use when plotting.
*/
const char *color_name;
};
static const struct PlotInfo connection_data[] =
{
{ "fs", "# peers connected", "file-sharing connections", "blue" },
{ "core", "# entries in session map", "encrypted connections (core)", "green" },
{ "core", "# neighbour entries allocated", "transport connections (core)", "yellow" },
{ "transport", "# peers connected", "total connections (transport)", "orange" },
{ "transport", "# TCP sessions active", "tcp connections", "red" },
{ "peerinfo", "# peers known", "peers known", "brown" },
{ "nse", "# nodes in the network (estimate)", "network size (estimate)", "purple" },
{ NULL, NULL, NULL}
};
static const struct PlotInfo traffic_data[] =
{
{ "core", "# bytes encrypted", "bytes encrypted", "blue" },
{ "core", "# bytes decrypted", "bytes decrypted", "green" },
{ "transport", "# bytes received via TCP", "received via tcp", "yellow" },
{ "transport", "# bytes transmitted via TCP", "sent via tcp", "brown" },
{ NULL, NULL, NULL}
};
static const struct PlotInfo storage_data[] =
{
{ "datastore", "# quota", "datastore capacity", "blue" },
{ "datastore", "# bytes stored", "datastore utilization", "yellow" },
{ "datastore", "# cache size", "reservation for datastore cache", "green" },
{ "datastore", "# bytes purged (low-priority)", "discarded due to limited space", "red" },
{ NULL, NULL, NULL}
};
/**
* Handle to our main loop.
*/
static struct GNUNET_GTK_MainLoop *ml;
/**
* Should gnunet-peerinfo-gtk start in tray mode?
*/
static int tray_only;
/**
* Handle to statistics subsystem.
*/
static struct GNUNET_STATISTICS_Handle *statistics;
/**
* Task that refreshes connection graphic.
*/
static GNUNET_SCHEDULER_TaskIdentifier connection_task;
/**
* When did this process start?
*/
static struct GNUNET_TIME_Absolute start_time;
/**
* Callback function to process statistic values.
*
* @param cls the 'struct ValueHistory' to update
* @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
*/
static int
process_value_update (void *cls, const char *subsystem,
const char *name, uint64_t value,
int is_persistent)
{
GtkStatistics *stats = cls;
char *id;
GNUNET_asprintf (&id, "%s: %s", subsystem, name);
gtk_statistics_update_value (stats,
id,
GNUNET_TIME_absolute_get_duration (start_time).rel_value / 1000LL,
value);
GNUNET_free (id);
return GNUNET_OK;
}
/**
* Get an object from the main window.
*
* @param name name of the object
* @return NULL on error
*/
static GObject *
get_object (const char *name)
{
return GNUNET_GTK_main_loop_get_object (ml, name);
}
/**
* Actually draw a plot based on collected data.
*
* @param widget size and style information for the plot
* @param info what to draw
*/
static void
create_plot (const char *box_name,
const struct PlotInfo *info)
{
GtkBox *box;
GtkStatistics *ret;
unsigned int i;
char *id;
ret = GTK_STATISTICS (gtk_statistics_new ());
box = GTK_BOX (get_object (box_name));
for (i=0; NULL != info[i].subsystem; i++)
{
GNUNET_asprintf (&id, "%s: %s", info[i].subsystem, info[i].name);
gtk_statistics_add_line (ret,
id,
info[i].label,
info[i].color_name);
GNUNET_free (id);
GNUNET_STATISTICS_watch (statistics,
info[i].subsystem,
info[i].name,
&process_value_update,
ret);
}
gtk_widget_show (GTK_WIDGET (ret));
gtk_box_pack_start (box,
GTK_WIDGET (ret),
TRUE,
TRUE,
0);
}
/**
* Task run on shutdown.
*
* @param cls unused
* @param tc scheduler context, unused
*/
static void
shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
GNUNET_STATISTICS_destroy (statistics, GNUNET_NO);
statistics = NULL;
}
/**
* Callback invoked if the application is supposed to exit.
*/
void
GNUNET_STATISTICS_GTK_quit_cb (GObject * object, gpointer user_data)
{
GNUNET_GTK_tray_icon_destroy ();
GNUNET_GTK_main_loop_quit (ml);
if (connection_task != GNUNET_SCHEDULER_NO_TASK)
{
GNUNET_SCHEDULER_cancel (connection_task);
connection_task = GNUNET_SCHEDULER_NO_TASK;
}
GNUNET_SCHEDULER_add_now (&shutdown_task, NULL);
}
/**
* Actual main function run right after GNUnet's scheduler
* is initialized. Initializes up GTK and Glade.
*/
static void
run (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
GtkWidget *main_window;
ml = cls;
statistics = GNUNET_STATISTICS_create ("gnunet-statistics-gtk",
GNUNET_GTK_main_loop_get_configuration (ml));
if (NULL == statistics)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
_("Failed to initiate connection with statistics service\n"));
return;
}
GNUNET_GTK_set_icon_search_path ();
GNUNET_GTK_setup_nls ();
/* setup main window */
main_window = GTK_WIDGET (get_object ("GNUNET_STATISTICS_GTK_main_window"));
gtk_window_maximize (GTK_WINDOW (main_window));
GNUNET_GTK_tray_icon_create (GTK_WINDOW (main_window),
"gnunet-gtk" /* FIXME: different icon? */ ,
"gnunet-statistics-gtk");
create_plot ("GNUNET_STATISTICS_GTK_connectivity_box",
connection_data);
create_plot ("GNUNET_STATISTICS_GTK_traffic_box",
traffic_data);
create_plot ("GNUNET_STATISTICS_GTK_storage_box",
storage_data);
/* make GUI visible */
if (!tray_only)
{
gtk_widget_show (main_window);
gtk_window_present (GTK_WINDOW (main_window));
}
}
int
main (int argc, char *const *argv)
{
static struct GNUNET_GETOPT_CommandLineOption options[] = {
{'t', "tray", NULL,
gettext_noop ("start in tray mode"), 0,
&GNUNET_GETOPT_set_one, &tray_only},
GNUNET_GETOPT_OPTION_END
};
start_time = GNUNET_TIME_absolute_get ();
if (GNUNET_OK !=
GNUNET_GTK_main_loop_start ("gnunet-statistics-gtk",
"GTK GUI for viewing GNUnet statistics", argc,
argv, options,
"gnunet_statistics_gtk_main_window.glade",
&run))
return 1;
return 0;
}
/* end of gnunet-statistics-gtk.c */
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