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knownnetworks: Add lookup API for recent frequencies

The returned scan_freq_set contains the known frequencies from
the top most recently connected networks.
This commit is contained in:
Tim Kourt 2019-04-16 14:51:41 -07:00 committed by Denis Kenzior
parent 02b3ab6793
commit 5c9138ed7d
2 changed files with 42 additions and 0 deletions

View File

@ -39,6 +39,7 @@
#include "src/network.h"
#include "src/dbus.h"
#include "src/knownnetworks.h"
#include "src/scan.h"
static struct l_queue *known_networks;
static size_t num_known_hidden_networks;
@ -205,6 +206,43 @@ struct network_info *known_networks_find(const char *ssid,
return l_queue_find(known_networks, network_info_match, &query);
}
struct scan_freq_set *known_networks_get_recent_frequencies(
uint8_t num_networks_tosearch)
{
/*
* This search function assumes that the known networks are always
* sorted by the last connection time with the most recent ones being on
* top. Therefore, we just need to get the top NUM of networks from the
* list.
*/
const struct l_queue_entry *network_entry;
const struct l_queue_entry *freq_entry;
struct scan_freq_set *set;
if (!num_networks_tosearch)
return NULL;
set = scan_freq_set_new();
for (network_entry = l_queue_get_entries(known_networks);
network_entry && num_networks_tosearch;
network_entry = network_entry->next,
num_networks_tosearch--) {
const struct network_info *network = network_entry->data;
for (freq_entry = l_queue_get_entries(
network->known_frequencies);
freq_entry; freq_entry = freq_entry->next) {
const struct known_frequency *known_freq =
freq_entry->data;
scan_freq_set_add(set, known_freq->frequency);
}
}
return set;
}
static struct l_dbus_message *known_network_forget(struct l_dbus *dbus,
struct l_dbus_message *message,
void *user_data)

View File

@ -22,6 +22,7 @@
enum security;
struct network_info;
struct scan_freq_set;
typedef bool (*known_networks_foreach_func_t)(const struct network_info *info,
void *user_data);
@ -37,3 +38,6 @@ struct network_info *known_networks_find(const char *ssid,
enum security security);
const char *known_network_get_path(const struct network_info *network);
struct scan_freq_set *known_networks_get_recent_frequencies(
uint8_t num_networks_tosearch);