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dbus: add 'scanning' property

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When the supplicant is connected and performs a scan, it doesn't enter
WPA_SCANNING state for various reasons.  However, external programs
still need to know that the supplicant is scanning since they may not
wish to perform certain operations during a scan (as those operations
will likely fail or yield incorrect results).  Add a 'scanning' property
and signal to the supplicant dbus interface to allow clients to
synchronize better with the supplicant when it scans.

Signed-off-by: Dan Williams <dcbw@redhat.com>
This commit is contained in:
Dan Williams 2009-05-27 21:06:40 +03:00 • committed by Jouni Malinen
parent 2976121955
commit cb8564b1dd
8 changed files with 115 additions and 0 deletions
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29
wpa_supplicant/ctrl_iface_dbus_handlers.c
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@ -1337,6 +1337,35 @@ DBusMessage * wpas_dbus_iface_get_state(DBusMessage *message,
}
/**
* wpas_dbus_iface_get_scanning - Get interface scanning state
* @message: Pointer to incoming dbus message
* @wpa_s: wpa_supplicant structure for a network interface
* Returns: A dbus message containing whether the interface is scanning
*
* Handler function for "scanning" method call.
*/
DBusMessage * wpas_dbus_iface_get_scanning(DBusMessage *message,
struct wpa_supplicant *wpa_s)
{
DBusMessage *reply = NULL;
dbus_bool_t scanning = wpa_s->scanning ? TRUE : FALSE;
reply = dbus_message_new_method_return(message);
if (reply != NULL) {
dbus_message_append_args(reply, DBUS_TYPE_BOOLEAN, &scanning,
DBUS_TYPE_INVALID);
} else {
perror("wpas_dbus_iface_get_scanning[dbus]: out of "
"memory.");
wpa_printf(MSG_ERROR, "dbus control interface: not enough "
"memory to return scanning state.");
}
return reply;
}
/**
* wpas_dbus_iface_set_blobs - Store named binary blobs (ie, for certificates)
* @message: Pointer to incoming dbus message