802.11 frequency band of the network. One of "a" for 5GHz 802.11a or "bg" for 2.4GHz 802.11. This will lock associations to the Wi-Fi network to the specific band, i.e. if "a" is specified, the device will not associate with the same network in the 2.4GHz band even if the network's settings are compatible. This setting depends on specific driver capability and may not work with all drivers.
Wireless channel to use for the Wi-Fi connection. The device will only join (or create for Ad-Hoc networks) a Wi-Fi network on the specified channel. Because channel numbers overlap between bands, this property also requires the "band" property to be set.
If %TRUE, indicates this network is a non-broadcasting network that hides its SSID. In this case various workarounds may take place, such as probe-scanning the SSID for more reliable network discovery. However, these workarounds expose inherent insecurities with hidden SSID networks, and thus hidden SSID networks should be used with caution.
Wi-Fi network mode; one of "infrastructure", "adhoc" or "ap". If blank, infrastructure is assumed.
If non-zero, only transmit packets of the specified size or smaller, breaking larger packets up into multiple Ethernet frames.
The setting's name, which uniquely identifies the setting within the connection. Each setting type has a name unique to that type, for example "ppp" or "wireless" or "wired".
If set to %FALSE, Wi-Fi power saving behavior is disabled. If set to %TRUE, Wi-Fi power saving behavior is enabled. All other values are reserved. Note that even though only boolean values are allowed, the property type is an unsigned integer to allow for future expansion.
If non-zero, directs the device to only use the specified bitrate for communication with the access point. Units are in Kb/s, ie 5500 = 5.5 Mbit/s. This property is highly driver dependent and not all devices support setting a static bitrate.
If the wireless connection has any security restrictions, like 802.1x, WEP, or WPA, set this property to %NM_SETTING_WIRELESS_SECURITY_SETTING_NAME and ensure the connection contains a valid #NMSettingWirelessSecurity setting.
If non-zero, directs the device to use the specified transmit power. Units are dBm. This property is highly driver dependent and not all devices support setting a static transmit power.
Adds a new MAC address to the #NMSettingWireless:mac-address-blacklist property.
the MAC address string (hex-digits-and-colons notation) to blacklist
Adds a new Wi-Fi AP's BSSID to the previously seen BSSID list of the setting. NetworkManager now tracks previously seen BSSIDs internally so this function no longer has much use. Actually, changes you make using this function will not be preserved.
the new BSSID to add to the list
Given a #NMSettingWireless and an optional #NMSettingWirelessSecurity, determine if the configuration given by the settings is compatible with the security of an access point using that access point's capability flags and mode. Useful for clients that wish to filter a set of connections against a set of access points and determine which connections are compatible with which access points.
a #NMSettingWirelessSecurity or %NULL
the %NM80211ApFlags of the given access point
the %NM80211ApSecurityFlags of the given access point's WPA capabilities
the %NM80211ApSecurityFlags of the given access point's WPA2/RSN capabilities
the 802.11 mode of the AP, either Ad-Hoc or Infrastructure
Creates a binding between source_property
on source
and target_property
on target
.
Whenever the source_property
is changed the target_property
is
updated using the same value. For instance:
g_object_bind_property (action, "active", widget, "sensitive", 0);
Will result in the "sensitive" property of the widget #GObject instance to be updated with the same value of the "active" property of the action #GObject instance.
If flags
contains %G_BINDING_BIDIRECTIONAL then the binding will be mutual:
if target_property
on target
changes then the source_property
on source
will be updated as well.
The binding will automatically be removed when either the source
or the
target
instances are finalized. To remove the binding without affecting the
source
and the target
you can just call g_object_unref() on the returned
#GBinding instance.
Removing the binding by calling g_object_unref() on it must only be done if
the binding, source
and target
are only used from a single thread and it
is clear that both source
and target
outlive the binding. Especially it
is not safe to rely on this if the binding, source
or target
can be
finalized from different threads. Keep another reference to the binding and
use g_binding_unbind() instead to be on the safe side.
A #GObject can have multiple bindings.
the property on source
to bind
the target #GObject
the property on target
to bind
flags to pass to #GBinding
Creates a binding between source_property
on source
and target_property
on target,
allowing you to set the transformation functions to be used by
the binding.
This function is the language bindings friendly version of g_object_bind_property_full(), using #GClosures instead of function pointers.
the property on source
to bind
the target #GObject
the property on target
to bind
flags to pass to #GBinding
a #GClosure wrapping the transformation function from the source
to the target,
or %NULL to use the default
a #GClosure wrapping the transformation function from the target
to the source,
or %NULL to use the default
Removes all blacklisted MAC addresses.
Resets and clears any secrets in the setting. Secrets should be added to the setting only when needed, and cleared immediately after use to prevent leakage of information.
Clears and frees secrets determined by func
.
function to be called to determine whether a specific secret should be cleared or not
Compares two #NMSetting objects for similarity, with comparison behavior modified by a set of flags. See the documentation for #NMSettingCompareFlags for a description of each flag's behavior.
a second #NMSetting to compare with the first
compare flags, e.g. %NM_SETTING_COMPARE_FLAG_EXACT
Compares two #NMSetting objects for similarity, with comparison behavior
modified by a set of flags. See the documentation for #NMSettingCompareFlags
for a description of each flag's behavior. If the settings differ, the keys
of each setting that differ from the other are added to results,
mapped to
one or more #NMSettingDiffResult values.
a second #NMSetting to compare with the first
compare flags, e.g. %NM_SETTING_COMPARE_FLAG_EXACT
this parameter is used internally by libnm-util and should be set to %FALSE. If %TRUE inverts the meaning of the #NMSettingDiffResult.
if the settings differ, on return a hash table mapping the differing keys to one or more %NMSettingDiffResult values OR-ed together. If the settings do not differ, any hash table passed in is unmodified. If no hash table is passed in and the settings differ, a new one is created and returned.
Duplicates a #NMSetting.
Iterates over each property of the #NMSetting object, calling the supplied user function for each property.
user-supplied function called for each property of the setting
This function is intended for #GObject implementations to re-enforce a [floating][floating-ref] object reference. Doing this is seldom required: all #GInitiallyUnowneds are created with a floating reference which usually just needs to be sunken by calling g_object_ref_sink().
Increases the freeze count on object
. If the freeze count is
non-zero, the emission of "notify" signals on object
is
stopped. The signals are queued until the freeze count is decreased
to zero. Duplicate notifications are squashed so that at most one
#GObject::notify signal is emitted for each property modified while the
object is frozen.
This is necessary for accessors that modify multiple properties to prevent premature notification while the object is still being modified.
Gets a named field from the objects table of associations (see g_object_set_data()).
name of the key for that association
Returns the type name of the #NMSetting object
Gets a property of an object.
The value
can be:
In general, a copy is made of the property contents and the caller is responsible for freeing the memory by calling g_value_unset().
Note that g_object_get_property() is really intended for language bindings, g_object_get() is much more convenient for C programming.
the name of the property to get
return location for the property value
This function gets back user data pointers stored via g_object_set_qdata().
A #GQuark, naming the user data pointer
For a given secret, retrieves the #NMSettingSecretFlags describing how to handle that secret.
the secret key name to get flags for
on success, the #NMSettingSecretFlags for the secret
Returns the name of the virtual kernel interface which the connection needs to use if specified in the settings.
Gets n_properties
properties for an object
.
Obtained properties will be set to values
. All properties must be valid.
Warnings will be emitted and undefined behaviour may result if invalid
properties are passed in.
the names of each property to get
the values of each property to get
Checks whether object
has a [floating][floating-ref] reference.
Returns an array of property names for each secret which may be required to make a successful connection. The returned hints are only intended as a guide to what secrets may be required, because in some circumstances, there is no way to conclusively determine exactly which secrets are needed.
Emits a "notify" signal for the property property_name
on object
.
When possible, eg. when signaling a property change from within the class that registered the property, you should use g_object_notify_by_pspec() instead.
Note that emission of the notify signal may be blocked with g_object_freeze_notify(). In this case, the signal emissions are queued and will be emitted (in reverse order) when g_object_thaw_notify() is called.
the name of a property installed on the class of object
.
Emits a "notify" signal for the property specified by pspec
on object
.
This function omits the property name lookup, hence it is faster than g_object_notify().
One way to avoid using g_object_notify() from within the class that registered the properties, and using g_object_notify_by_pspec() instead, is to store the GParamSpec used with g_object_class_install_property() inside a static array, e.g.:
enum
{
PROP_0,
PROP_FOO,
PROP_LAST
};
static GParamSpec *properties[PROP_LAST];
static void
my_object_class_init (MyObjectClass *klass)
{
properties[PROP_FOO] = g_param_spec_int ("foo", "Foo", "The foo",
0, 100,
50,
G_PARAM_READWRITE);
g_object_class_install_property (gobject_class,
PROP_FOO,
properties[PROP_FOO]);
}
and then notify a change on the "foo" property with:
g_object_notify_by_pspec (self, properties[PROP_FOO]);
the #GParamSpec of a property installed on the class of object
.
Increase the reference count of object,
and possibly remove the
[floating][floating-ref] reference, if object
has a floating reference.
In other words, if the object is floating, then this call "assumes ownership" of the floating reference, converting it to a normal reference by clearing the floating flag while leaving the reference count unchanged. If the object is not floating, then this call adds a new normal reference increasing the reference count by one.
Since GLib 2.56, the type of object
will be propagated to the return type
under the same conditions as for g_object_ref().
Removes the MAC address at index idx
from the blacklist.
index number of the MAC address
Removes the MAC address mac
from the blacklist.
the MAC address string (hex-digits-and-colons notation) to remove from the blacklist
Releases all references to other objects. This can be used to break reference cycles.
This function should only be called from object system implementations.
Each object carries around a table of associations from strings to pointers. This function lets you set an association.
If the object already had an association with that name, the old association will be destroyed.
Internally, the key
is converted to a #GQuark using g_quark_from_string().
This means a copy of key
is kept permanently (even after object
has been
finalized) — so it is recommended to only use a small, bounded set of values
for key
in your program, to avoid the #GQuark storage growing unbounded.
name of the key
data to associate with that key
Sets a property on an object.
the name of the property to set
the value
For a given secret, stores the #NMSettingSecretFlags describing how to handle that secret.
the secret key name to set flags for
the #NMSettingSecretFlags for the secret
Remove a specified datum from the object's data associations, without invoking the association's destroy handler.
name of the key
This function gets back user data pointers stored via
g_object_set_qdata() and removes the data
from object
without invoking its destroy() function (if any was
set).
Usually, calling this function is only required to update
user data pointers with a destroy notifier, for example:
void
object_add_to_user_list (GObject *object,
const gchar *new_string)
{
// the quark, naming the object data
GQuark quark_string_list = g_quark_from_static_string ("my-string-list");
// retrieve the old string list
GList *list = g_object_steal_qdata (object, quark_string_list);
// prepend new string
list = g_list_prepend (list, g_strdup (new_string));
// this changed 'list', so we need to set it again
g_object_set_qdata_full (object, quark_string_list, list, free_string_list);
}
static void
free_string_list (gpointer data)
{
GList *node, *list = data;
for (node = list; node; node = node->next)
g_free (node->data);
g_list_free (list);
}
Using g_object_get_qdata() in the above example, instead of g_object_steal_qdata() would have left the destroy function set, and thus the partial string list would have been freed upon g_object_set_qdata_full().
A #GQuark, naming the user data pointer
Reverts the effect of a previous call to
g_object_freeze_notify(). The freeze count is decreased on object
and when it reaches zero, queued "notify" signals are emitted.
Duplicate notifications for each property are squashed so that at most one #GObject::notify signal is emitted for each property, in the reverse order in which they have been queued.
It is an error to call this function when the freeze count is zero.
Converts the #NMSetting into a #GHashTable mapping each setting property name to a GValue describing that property, suitable for marshalling over D-Bus or serializing. The mapping is string to GValue.
hash flags, e.g. %NM_SETTING_HASH_FLAG_ALL
Convert the setting into a string. For debugging purposes ONLY, should NOT be used for serialization of the setting, or machine-parsed in any way. The output format is not guaranteed to be stable and may change at any time.
Decreases the reference count of object
. When its reference count
drops to 0, the object is finalized (i.e. its memory is freed).
If the pointer to the #GObject may be reused in future (for example, if it is an instance variable of another object), it is recommended to clear the pointer to %NULL rather than retain a dangling pointer to a potentially invalid #GObject instance. Use g_clear_object() for this.
Update the setting's secrets, given a hash table of secrets intended for that setting (deserialized from D-Bus for example).
a #GHashTable mapping string to #GValue of setting property names and secrets
Validates the setting. Each setting's properties have allowed values, and
some are dependent on other values (hence the need for all_settings)
. The
returned #GError contains information about which property of the setting
failed validation, and in what way that property failed validation.
a #GSList of all settings in the connection from which setting
came
This function essentially limits the life time of the closure
to
the life time of the object. That is, when the object is finalized,
the closure
is invalidated by calling g_closure_invalidate() on
it, in order to prevent invocations of the closure with a finalized
(nonexisting) object. Also, g_object_ref() and g_object_unref() are
added as marshal guards to the closure,
to ensure that an extra
reference count is held on object
during invocation of the
closure
. Usually, this function will be called on closures that
use this object
as closure data.
#GClosure to watch
Find the #GParamSpec with the given name for an
interface. Generally, the interface vtable passed in as g_iface
will be the default vtable from g_type_default_interface_ref(), or,
if you know the interface has already been loaded,
g_type_default_interface_peek().
any interface vtable for the interface, or the default vtable for the interface
name of a property to look up.
Add a property to an interface; this is only useful for interfaces that are added to GObject-derived types. Adding a property to an interface forces all objects classes with that interface to have a compatible property. The compatible property could be a newly created #GParamSpec, but normally g_object_class_override_property() will be used so that the object class only needs to provide an implementation and inherits the property description, default value, bounds, and so forth from the interface property.
This function is meant to be called from the interface's default
vtable initialization function (the class_init
member of
#GTypeInfo.) It must not be called after after class_init
has
been called for any object types implementing this interface.
If pspec
is a floating reference, it will be consumed.
any interface vtable for the interface, or the default vtable for the interface.
the #GParamSpec for the new property
Lists the properties of an interface.Generally, the interface
vtable passed in as g_iface
will be the default vtable from
g_type_default_interface_ref(), or, if you know the interface has
already been loaded, g_type_default_interface_peek().
any interface vtable for the interface, or the default vtable for the interface
Creates a new #NMSettingWireless object with default values.
Creates a new #NMSetting object and populates that object with the properties contained in the hash table, using each hash key as the property to set, and each hash value as the value to set that property to. Setting properties are strongly typed, thus the GValue type of the hash value must be correct. See the documentation on each #NMSetting object subclass for the correct property names and value types.
the #NMSetting type which the hash contains properties for
the #GHashTable containing a string to GValue mapping of properties that apply to the setting
Creates a new instance of a #GObject subtype and sets its properties.
Construction parameters (see %G_PARAM_CONSTRUCT, %G_PARAM_CONSTRUCT_ONLY) which are not explicitly specified are set to their default values.
the type id of the #GObject subtype to instantiate
an array of #GParameter
Creates a new #NMSettingWireless object with default values.