network: Basic last seen time tracking

This commit is contained in:
Andrew Zaborowski 2016-06-10 11:50:22 +02:00 committed by Denis Kenzior
parent a0468fb9be
commit 9cef1490c5
3 changed files with 23 additions and 7 deletions

View File

@ -47,6 +47,7 @@ struct network_info {
char ssid[33];
uint32_t type;
struct timespec connected_time; /* Time last connected */
struct timespec seen_time; /* Time last seen */
};
struct network {
@ -101,7 +102,7 @@ static bool network_info_match(const void *a, const void *b)
return true;
}
bool network_seen(struct network *network)
bool network_seen(struct network *network, struct timespec *when)
{
struct timespec mtim;
int err;
@ -115,7 +116,7 @@ bool network_seen(struct network *network)
info = l_queue_find(networks, network_info_match, &search);
if (info)
return true;
goto update;
strtype = security_to_str(network->security);
if (!strtype)
@ -133,6 +134,15 @@ bool network_seen(struct network *network)
l_queue_insert(networks, info, timespec_compare, NULL);
update:
/*
* Update the last seen time. Note this is not preserved across
* the network going out of range and back, or program restarts.
* It may be desirable for it to be preserved in some way but
* without too frequent filesystem writes.
*/
memcpy(&info->seen_time, when, sizeof(struct timespec));
return true;
}

View File

@ -25,7 +25,7 @@
struct device;
struct network;
bool network_seen(struct network *network);
bool network_seen(struct network *network, struct timespec *when);
bool network_connected(struct network *network);
void network_disconnected(struct network *network);
bool network_rankmod(const struct network *network, double *rankmod);

View File

@ -31,6 +31,7 @@
#include <linux/if.h>
#include <linux/if_packet.h>
#include <linux/if_ether.h>
#include <time.h>
#include <ell/ell.h>
@ -1234,7 +1235,8 @@ static int autoconnect_rank_compare(const void *a, const void *b, void *user)
return ae->rank - new_ae->rank;
}
static void process_bss(struct device *device, struct scan_bss *bss)
static void process_bss(struct device *device, struct scan_bss *bss,
struct timespec *timestamp)
{
struct network *network;
enum security security;
@ -1306,10 +1308,11 @@ static void process_bss(struct device *device, struct scan_bss *bss)
network_get_path(network), network);
l_debug("Added new Network \"%s\" security %s",
network_get_ssid(network), security_to_str(security));
network_seen(network);
}
if (network_bss_list_isempty(network))
network_seen(network, timestamp);
network_bss_add(network, bss);
/* See if network is autoconnectable (is a known network) */
@ -1330,6 +1333,9 @@ static bool new_scan_results(uint32_t wiphy_id, uint32_t ifindex,
struct device *device = userdata;
struct network *network;
const struct l_queue_entry *bss_entry;
struct timespec now;
clock_gettime(CLOCK_REALTIME, &now);
device->old_bss_list = device->bss_list;
device->bss_list = bss_list;
@ -1344,7 +1350,7 @@ static bool new_scan_results(uint32_t wiphy_id, uint32_t ifindex,
bss_entry = bss_entry->next) {
struct scan_bss *bss = bss_entry->data;
process_bss(device, bss);
process_bss(device, bss, &now);
}
l_hashmap_foreach_remove(device->networks, process_network, device);