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2007-10-03 Dan Williams <dcbw@redhat.com>

Browse source 
* src/nm-device-802-11-wireless.c
		- (nm_device_802_11_wireless_update_bssid): remove
		- (get_active_ap): new function; find the AP in the scan list which
			matches the current BSSID and SSID of the wireless device
		- (nm_device_802_11_periodic_update): get current AP using
			get_active_ap() and print AP roam messages



git-svn-id: http://svn-archive.gnome.org/svn/NetworkManager/trunk@2926 4912f4e0-d625-0410-9fb7-b9a5a253dbdc
This commit is contained in:
Dan Williams 2007-10-03 13:36:47 +00:00
parent 39910e16fe
commit d7f6aa32f9
2 changed files with 79 additions and 54 deletions
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9
ChangeLog
View file

@ -1,3 +1,12 @@
2007-10-03 Dan Williams <dcbw@redhat.com>
* src/nm-device-802-11-wireless.c
- (nm_device_802_11_wireless_update_bssid): remove
- (get_active_ap): new function; find the AP in the scan list which
matches the current BSSID and SSID of the wireless device
- (nm_device_802_11_periodic_update): get current AP using
get_active_ap() and print AP roam messages
2007-10-01 Dan Williams <dcbw@redhat.com>
* libnm-util/nm-setting.h

124
src/nm-device-802-11-wireless.c
View file

@ -116,8 +116,10 @@ struct _NMDevice80211WirelessPrivate
gint8 num_freqs;
double freqs[IW_MAX_FREQUENCIES];
gboolean scanning;
GSList * ap_list;
NMAccessPoint * current_ap;
gboolean scanning;
GTimeVal scheduled_scan_time;
guint8 scan_interval; /* seconds */
guint pending_scan_id;
@ -189,54 +191,6 @@ network_removed (NMDevice80211Wireless *device, NMAccessPoint *ap)
g_signal_emit (device, signals[NETWORK_REMOVED], 0, ap);
}
/*
* nm_device_802_11_wireless_update_bssid
*
* Update the current wireless network's BSSID, presumably in response to
* roaming.
*
*/
static void
nm_device_802_11_wireless_update_bssid (NMDevice80211Wireless *self,
NMAccessPoint *ap)
{
struct ether_addr new_bssid;
const struct ether_addr *old_bssid;
const GByteArray * new_ssid;
const GByteArray * old_ssid;
/* Get the current BSSID. If it is valid but does not match the stored value,
* and the SSID is the same as what we think its supposed to be, update it. */
nm_device_802_11_wireless_get_bssid (self, &new_bssid);
old_bssid = nm_ap_get_address (ap);
new_ssid = nm_device_802_11_wireless_get_ssid (self);
old_ssid = nm_ap_get_ssid (ap);
if ( nm_ethernet_address_is_valid (&new_bssid)
&& nm_ethernet_address_is_valid (old_bssid)
&& !nm_ethernet_addresses_are_equal (&new_bssid, old_bssid)
&& nm_utils_same_ssid (old_ssid, new_ssid, TRUE))
{
gboolean automatic;
gchar new_addr[20];
gchar old_addr[20];
memset (new_addr, '\0', sizeof (new_addr));
memset (old_addr, '\0', sizeof (old_addr));
iw_ether_ntop (&new_bssid, new_addr);
iw_ether_ntop (old_bssid, old_addr);
nm_debug ("Roamed from BSSID %s to %s on wireless network '%s'",
old_addr,
new_addr,
nm_utils_escape_ssid (old_ssid->data, old_ssid->len));
nm_ap_set_address (ap, &new_bssid);
automatic = !nm_act_request_get_user_requested (nm_device_get_act_request (NM_DEVICE (self)));
// FIXME: push new BSSID to the info-daemon
}
}
/*
* nm_device_802_11_wireless_update_signal_strength
*
@ -531,6 +485,32 @@ out:
nm_device_set_active_link (NM_DEVICE (self), new_link);
}
static NMAccessPoint *
get_active_ap (NMDevice80211Wireless *self)
{
struct ether_addr bssid;
const GByteArray *ssid;
GSList *iter;
nm_device_802_11_wireless_get_bssid (self, &bssid);
if (!nm_ethernet_address_is_valid (&bssid))
return NULL;
ssid = nm_device_802_11_wireless_get_ssid (self);
/* Find this SSID + BSSID in the device's AP list */
for (iter = self->priv->ap_list; iter; iter = g_slist_next (iter)) {
NMAccessPoint *ap = NM_AP (iter->data);
const struct ether_addr *ap_bssid = nm_ap_get_address (ap);
const GByteArray *ap_ssid = nm_ap_get_ssid (ap);
if ( nm_ethernet_addresses_are_equal (&bssid, ap_bssid)
&& nm_utils_same_ssid (ssid, ap_ssid, TRUE))
return ap;
}
return NULL;
}
/*
* nm_device_802_11_periodic_update
@ -542,15 +522,51 @@ static gboolean
nm_device_802_11_periodic_update (gpointer data)
{
NMDevice80211Wireless *self = NM_DEVICE_802_11_WIRELESS (data);
NMDeviceState state;
NMAccessPoint *old_ap;
NMAccessPoint *new_ap;
/* BSSID and signal strength have meaningful values only if the device
is activated and not scanning */
if (nm_device_get_state (NM_DEVICE (self)) == NM_DEVICE_STATE_ACTIVATED &&
!NM_DEVICE_802_11_WIRELESS_GET_PRIVATE (self)->scanning) {
NMAccessPoint *ap = nm_device_802_11_wireless_get_activation_ap (self);
state = nm_device_get_state (NM_DEVICE (self));
if ( (state != NM_DEVICE_STATE_ACTIVATED)
|| NM_DEVICE_802_11_WIRELESS_GET_PRIVATE (self)->scanning)
return TRUE;
nm_device_802_11_wireless_update_signal_strength (self, ap);
nm_device_802_11_wireless_update_bssid (self, ap);
new_ap = get_active_ap (self);
if (new_ap)
nm_device_802_11_wireless_update_signal_strength (self, new_ap);
old_ap = nm_device_802_11_wireless_get_activation_ap (self);
if ((new_ap || old_ap) && (new_ap != old_ap)) {
const struct ether_addr *new_bssid = NULL;
const GByteArray *new_ssid = NULL;
const struct ether_addr *old_bssid = NULL;
const GByteArray *old_ssid = NULL;
gchar new_addr[20];
gchar old_addr[20];
memset (new_addr, '\0', sizeof (new_addr));
if (new_ap) {
new_bssid = nm_ap_get_address (new_ap);
iw_ether_ntop (new_bssid, new_addr);
new_ssid = nm_ap_get_ssid (new_ap);
}
memset (old_addr, '\0', sizeof (old_addr));
if (old_ap) {
old_bssid = nm_ap_get_address (old_ap);
iw_ether_ntop (old_bssid, old_addr);
old_ssid = nm_ap_get_ssid (old_ap);
}
nm_debug ("Roamed from BSSID %s (%s) to %s (%s)",
old_bssid ? old_addr : "(none)",
old_ssid ? nm_utils_escape_ssid (old_ssid->data, old_ssid->len) : "(none)",
new_bssid ? new_addr : "(none)",
new_ssid ? nm_utils_escape_ssid (new_ssid->data, new_ssid->len) : "(none)");
// FIXME: emit PropertiesChanged for active network
}
return TRUE;