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/*
*
* Wireless daemon for Linux
*
* Copyright (C) 2021 Intel Corporation. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <ell/ell.h>
#include "client/diagnostic.h"
#include "client/display.h"
typedef bool (*display_dict_custom_func_t)(struct l_dbus_message_iter *variant,
const char *key, const char *margin,
int name_column_width, int value_column_width);
/*
* Maps dictionary keys to types/units. 'type' should be a valid DBus type, or
* zero for displaying in a custom fashion. When the display needs to be
* customized 'units' should point to a custom display function of the form
* display_dict_custom_func_t which should display the entire value as well
* as any units required.
*/
struct diagnostic_dict_mapping {
const char *key;
char type;
const char *units;
display_dict_custom_func_t custom;
};
static const struct diagnostic_dict_mapping *find_mapping(const char *key,
const struct diagnostic_dict_mapping *mapping)
{
int idx = 0;
while (mapping[idx].key) {
if (!strcmp(mapping[idx].key, key))
return &mapping[idx];
idx++;
}
return NULL;
}
static bool display_bitrate_100kbps(struct l_dbus_message_iter *variant,
const char *key, const char *margin,
int name_column_width, int value_column_width)
{
uint32_t rate;
char str[50];
if (!l_dbus_message_iter_get_variant(variant, "u", &rate))
return false;
sprintf(str, "%u Kbit/s", rate * 100);
display_table_row(margin, 3, 8, "", name_column_width, key, value_column_width, str);
return true;
}
static const struct diagnostic_dict_mapping diagnostic_mapping[] = {
{ "Address", 's' },
{ "ConnectedBss", 's' },
{ "RxMode", 's' },
{ "TxMode", 's' },
{ "RxBitrate", 0, NULL, display_bitrate_100kbps },
{ "TxBitrate", 0, NULL, display_bitrate_100kbps },
{ "ExpectedThroughput", 'u', "Kbit/s" },
{ "RSSI", 'n', "dBm" },
{ "AverageRSSI", 'n', "dBm" },
{ "RxMCS", 'y' },
{ "TxMCS", 'y' },
{ "Frequency", 'u' },
{ "Channel", 'q' },
{ "Security", 's' },
{ "InactiveTime", 'u', "ms" },
{ "ConnectedTime", 'u', "s" },
{ NULL }
};
void diagnostic_display(struct l_dbus_message_iter *dict,
const char *margin, int name_column_width,
int value_column_width)
{
struct l_dbus_message_iter variant;
const char *key;
const struct diagnostic_dict_mapping *map;
char display_text[160];
while (l_dbus_message_iter_next_entry(dict, &key, &variant)) {
const char *s_value;
uint32_t u_value;
uint16_t q_value;
int16_t n_value;
uint8_t y_value;
int bytes;
map = find_mapping(key, diagnostic_mapping);
if (!map)
continue;
switch (map->type) {
case 0:
if (!map->custom)
continue;
if (!map->custom(&variant, key, margin, name_column_width,
value_column_width))
goto parse_error;
/* custom should handle any units, so continue */
continue;
case 's':
if (!l_dbus_message_iter_get_variant(&variant, "s",
&s_value))
goto parse_error;
bytes = sprintf(display_text, "%s", s_value);
break;
case 'u':
if (!l_dbus_message_iter_get_variant(&variant, "u",
&u_value))
goto parse_error;
bytes = sprintf(display_text, "%u", u_value);
break;
case 'q':
if (!l_dbus_message_iter_get_variant(&variant, "q",
&q_value))
goto parse_error;
bytes = sprintf(display_text, "%u", q_value);
break;
case 'n':
if (!l_dbus_message_iter_get_variant(&variant, "n",
&n_value))
goto parse_error;
bytes = sprintf(display_text, "%i", n_value);
break;
case 'y':
if (!l_dbus_message_iter_get_variant(&variant, "y",
&y_value))
goto parse_error;
bytes = sprintf(display_text, "%u", y_value);
break;
default:
display("type %c not handled\n", map->type);
continue;
}
if (map->units)
sprintf(display_text + bytes, " %s", map->units);
display_table_row(margin, 3, 8, "", name_column_width,
key, value_column_width, display_text);
}
return;
parse_error:
display_error("Error parsing diagnostics");
}
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