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/* io_graph_item.h
* Definitions and functions for IO graph items
*
* Copied from gtk/io_stat.c, (c) 2002 Ronnie Sahlberg
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* This program 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
* of the License, or (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <epan/epan_dissect.h>
#include "ui/io_graph_item.h"
int get_io_graph_index(packet_info *pinfo, int interval) {
nstime_t time_delta;
/*
* Find in which interval this is supposed to go and store the interval index as idx
*/
time_delta = pinfo->rel_ts;
if (time_delta.nsecs<0) {
time_delta.secs--;
time_delta.nsecs += 1000000000;
}
if (time_delta.secs<0) {
return -1;
}
return (int) ((time_delta.secs*1000 + time_delta.nsecs/1000000) / interval);
}
GString *check_field_unit(const char *field_name, int *hf_index, io_graph_item_unit_t item_unit)
{
GString *err_str = NULL;
if (item_unit >= IOG_ITEM_UNIT_CALC_SUM) {
header_field_info *hfi;
const char *item_unit_names[NUM_IOG_ITEM_UNITS] = {
"Packets",
"Bytes",
"Bits",
"SUM",
"COUNT FRAMES",
"COUNT FIELDS",
"MAX",
"MIN",
"AVG",
"LOAD"
};
/* There was no field specified */
if ((field_name == NULL) || (field_name[0] == 0)) {
err_str = g_string_new("You didn't specify a field name.");
return err_str;
}
/* The field could not be found */
hfi = proto_registrar_get_byname(field_name);
if (hfi == NULL) {
err_str = g_string_new("");
g_string_printf(err_str, "There is no field named '%s'.", field_name);
return err_str;
}
if (hf_index) *hf_index = hfi->id;
/* Check that the type is compatible */
switch (hfi->type) {
case FT_UINT8:
case FT_UINT16:
case FT_UINT24:
case FT_UINT32:
case FT_UINT64:
case FT_INT8:
case FT_INT16:
case FT_INT24:
case FT_INT32:
case FT_INT64:
case FT_FLOAT:
case FT_DOUBLE:
/* These values support all calculations except LOAD */
switch (item_unit) {
case IOG_ITEM_UNIT_CALC_LOAD:
err_str = g_string_new("LOAD is only supported for relative-time fields.");
default:
break;
}
/* These types support all calculations */
break;
case FT_RELATIVE_TIME:
/* This type only supports COUNT, MAX, MIN, AVG */
switch (item_unit) {
case IOG_ITEM_UNIT_CALC_SUM:
case IOG_ITEM_UNIT_CALC_FRAMES:
case IOG_ITEM_UNIT_CALC_FIELDS:
case IOG_ITEM_UNIT_CALC_MAX:
case IOG_ITEM_UNIT_CALC_MIN:
case IOG_ITEM_UNIT_CALC_AVERAGE:
case IOG_ITEM_UNIT_CALC_LOAD:
break;
default:
g_assert(item_unit < NUM_IOG_ITEM_UNITS);
err_str = g_string_new("");
g_string_printf(err_str, "\"%s\" is a relative-time field. %s calculations are not supported on it.",
field_name,
item_unit_names[item_unit]);
}
break;
default:
if ((item_unit != IOG_ITEM_UNIT_CALC_FRAMES) &&
(item_unit != IOG_ITEM_UNIT_CALC_FIELDS)) {
err_str = g_string_new("");
g_string_printf(err_str, "\"%s\" doesn't have integral or float values. %s calculations are not supported on it.",
field_name,
item_unit_names[item_unit]);
}
break;
}
}
return err_str;
}
/*
* Editor modelines
*
* Local Variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* ex: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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