Request scan and activate access point (#6)

Add some methods for wireless devices.

AccessPoint.go

@@ -21,6 +21,8 @@ const (
 )
 
 type AccessPoint interface {
+	GetPath() dbus.ObjectPath
+
 	// GetFlags gets flags describing the capabilities of the access point.
 	GetFlags() uint32
 
@@ -65,6 +67,10 @@ type accessPoint struct {
 	dbusBase
 }
 
+func (a *accessPoint) GetPath() dbus.ObjectPath {
+	return a.obj.Path()
+}
+
 func (a *accessPoint) GetFlags() uint32 {
 	return a.getUint32Property(AccessPointPropertyFlags)
 }

Connection.go

@@ -16,6 +16,8 @@ const (
 type ConnectionSettings map[string]map[string]interface{}
 
 type Connection interface {
+	GetPath() dbus.ObjectPath
+
 	// GetSettings gets the settings maps describing this network configuration.
 	// This will never include any secrets required for connection to the
 	// network, as those are often protected. Secrets must be requested
@@ -34,6 +36,10 @@ type connection struct {
 	dbusBase
 }
 
+func (c *connection) GetPath() dbus.ObjectPath {
+	return c.obj.Path()
+}
+
 func (c *connection) GetSettings() ConnectionSettings {
 	var settings map[string]map[string]dbus.Variant
 	c.call(&settings, ConnectionGetSettings)

Device.go

@@ -33,6 +33,8 @@ func DeviceFactory(objectPath dbus.ObjectPath) (Device, error) {
 }
 
 type Device interface {
+	GetPath() dbus.ObjectPath
+
 	// GetInterface gets the name of the device's control (and often data)
 	// interface.
 	GetInterface() string
@@ -73,6 +75,10 @@ type device struct {
 	dbusBase
 }
 
+func (d *device) GetPath() dbus.ObjectPath {
+	return d.obj.Path()
+}
+
 func (d *device) GetInterface() string {
 	return d.getStringProperty(DevicePropertyInterface)
 }

NetworkManager.go

@@ -11,6 +11,7 @@ const (
 	NetworkManagerObjectPath = "/org/freedesktop/NetworkManager"
 
 	NetworkManagerGetDevices               = NetworkManagerInterface + ".GetDevices"
+	NetworkManagerActivateConnection       = NetworkManagerInterface + ".ActivateConnection"
 	NetworkManagerPropertyState            = NetworkManagerInterface + ".State"
 	NetworkManagerPropertyActiveConnection = NetworkManagerInterface + ".ActiveConnections"
 )
@@ -25,8 +26,12 @@ type NetworkManager interface {
 	// management.
 	GetState() NmState
 
+	// GetActiveConnections returns the active connection of network devices.
 	GetActiveConnections() []ActiveConnection
 
+	// ActivateWirelessConnection requests activating access point to network device
+	ActivateWirelessConnection(connection Connection, device Device, accessPoint AccessPoint) ActiveConnection
+
 	Subscribe() <-chan *dbus.Signal
 	Unsubscribe()
 
@@ -80,6 +85,12 @@ func (n *networkManager) GetActiveConnections() []ActiveConnection {
 	return ac
 }
 
+func (n *networkManager) ActivateWirelessConnection(c Connection, d Device, ap AccessPoint) ActiveConnection {
+	var opath dbus.ObjectPath
+	n.call(&opath, NetworkManagerActivateConnection, c.GetPath(), d.GetPath(), ap.GetPath())
+	return nil
+}
+
 func (n *networkManager) Subscribe() <-chan *dbus.Signal {
 	if n.sigChan != nil {
 		return n.sigChan

WirelessDevice.go

@@ -10,6 +10,7 @@ const (
 	WirelessDeviceInterface = DeviceInterface + ".Wireless"
 
 	WirelessDeviceGetAccessPoints = WirelessDeviceInterface + ".GetAccessPoints"
+	WirelessDeviceRequestScan     = WirelessDeviceInterface + ".RequestScan"
 )
 
 type WirelessDevice interface {
@@ -20,6 +21,8 @@ type WirelessDevice interface {
 	// To retrieve a list of all access points (including hidden ones) use the
 	// GetAllAccessPoints() method.
 	GetAccessPoints() []AccessPoint
+
+	RequestScan()
 }
 
 func NewWirelessDevice(objectPath dbus.ObjectPath) (WirelessDevice, error) {
@@ -48,6 +51,11 @@ func (d *wirelessDevice) GetAccessPoints() []AccessPoint {
 	return aps
 }
 
+func (d *wirelessDevice) RequestScan() {
+	var options map[string]interface{}
+	d.obj.Call(WirelessDeviceRequestScan, 0, options).Store()
+}
+
 func (d *wirelessDevice) MarshalJSON() ([]byte, error) {
 	m := d.device.marshalMap()
 	m["AccessPoints"] = d.GetAccessPoints()