diff options
Diffstat (limited to 'ui/io_graph_item.c')
| -rw-r--r-- | ui/io_graph_item.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/ui/io_graph_item.c b/ui/io_graph_item.c new file mode 100644 index 0000000000..ae9bc0d3ce --- /dev/null +++ b/ui/io_graph_item.c @@ -0,0 +1,152 @@ +/* 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 <glib.h> + +#include <epan/epan_dissect.h> +#include <epan/packet_info.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: + 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: + */ |