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network: Introduce a concept of known frequencies

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Each known network (previously connected) will have a set
of known frequencies associated with it, e.g. a set of
frequencies from all BSSs observed. The list of known
frequencies is sorted with the most recently observed
frequency in the head.
This commit is contained in:
Tim Kourt 2019-04-11 12:14:25 -07:00 committed by Denis Kenzior
parent 8881910662
commit c3e79a4f2a
3 changed files with 35 additions and 3 deletions
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6
src/knownnetworks.h
View File

@ -2,7 +2,7 @@
*
* Wireless daemon for Linux
*
* Copyright (C) 2016 Intel Corporation. All rights reserved.
* Copyright (C) 2016-2019 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
@ -26,6 +26,10 @@ struct network_info;
typedef bool (*known_networks_foreach_func_t)(const struct network_info *info,
void *user_data);
struct known_frequency {
uint32_t frequency;
};
bool known_networks_foreach(known_networks_foreach_func_t function,
void *user_data);
bool known_networks_has_hidden(void);

31
src/network.c
View File

@ -259,6 +259,8 @@ void network_info_free(void *data)
{
struct network_info *network = data;
l_queue_destroy(network->known_frequencies, l_free);
l_free(network);
}
@ -629,10 +631,35 @@ void network_connect_failed(struct network *network)
l_queue_clear(network->blacklist, NULL);
}
static bool known_frequency_match(const void *a, const void *b)
{
const struct known_frequency *known_freq = a;
const uint32_t *frequency = b;
return known_freq->frequency == *frequency;
}
bool network_bss_add(struct network *network, struct scan_bss *bss)
{
return l_queue_insert(network->bss_list, bss,
scan_bss_rank_compare, NULL);
struct known_frequency *known_freq;
if (!l_queue_insert(network->bss_list, bss, scan_bss_rank_compare,
NULL))
return false;
if (!network->info->known_frequencies)
network->info->known_frequencies = l_queue_new();
known_freq = l_queue_remove_if(network->info->known_frequencies,
known_frequency_match, &bss->frequency);
if (!known_freq) {
known_freq = l_new(struct known_frequency, 1);
known_freq->frequency = bss->frequency;
}
l_queue_push_head(network->info->known_frequencies, known_freq);
return true;
}
bool network_bss_list_isempty(struct network *network)

1
src/network.h
View File

@ -73,6 +73,7 @@ void network_blacklist_add(struct network *network, struct scan_bss *bss);
struct network_info {
char ssid[33];
enum security type;
struct l_queue *known_frequencies;
struct timespec connected_time; /* Time last connected */
int seen_count; /* Ref count for network.info */
bool is_hidden:1;