path: root/test/example-onoff-client

#!/usr/bin/env python3

import sys
import struct
import numpy
import dbus
import dbus.service
import dbus.exceptions

try:
  from gi.repository import GObject
except ImportError:
  import gobject as GObject
from dbus.mainloop.glib import DBusGMainLoop

MESH_SERVICE_NAME = 'org.bluez.mesh'
DBUS_PROP_IFACE = 'org.freedesktop.DBus.Properties'
DBUS_OM_IFACE = 'org.freedesktop.DBus.ObjectManager'

MESH_NETWORK_IFACE = 'org.bluez.mesh.Network1'
MESH_NODE_IFACE = 'org.bluez.mesh.Node1'
MESH_ELEMENT_IFACE = 'org.bluez.mesh.Element1'

VENDOR_ID_NONE = 0xffff

app = None
bus = None
mainloop = None
node = None
token = numpy.uint64(0x76bd4f2372477600)

def unwrap(item):
	if isinstance(item, dbus.Boolean):
		return bool(item)
	if isinstance(item, (dbus.UInt16, dbus.Int16, dbus.UInt32, dbus.Int32,
						dbus.UInt64, dbus.Int64)):
		return int(item)
	if isinstance(item, dbus.Byte):
		return bytes([int(item)])
	if isinstance(item, dbus.String):
			return item
	if isinstance(item, (dbus.Array, list, tuple)):
		return [unwrap(x) for x in item]
	if isinstance(item, (dbus.Dictionary, dict)):
		return dict([(unwrap(x), unwrap(y)) for x, y in item.items()])

	print('Dictionary item not handled')
	print(type(item))
	return item

def attach_app_cb(node_path, dict_array):
	print('Mesh application registered ', node_path)
	print(type(node_path))
	print(type(dict_array))
	print(dict_array)

	els = unwrap(dict_array)
	print("Get Elements")
	for el in els:
		print(el)
		idx = struct.unpack('b', el[0])[0]
		print('Configuration for Element ', end='')
		print(idx)
		models = el[1]

		element = app.get_element(idx)
		element.set_model_config(models)

	obj = bus.get_object(MESH_SERVICE_NAME, node_path)
	global node
	node = dbus.Interface(obj, MESH_NODE_IFACE)

def error_cb(error):
	print('D-Bus call failed: ' + str(error))

def generic_reply_cb():
	print('D-Bus call done')

def interfaces_removed_cb(object_path, interfaces):
	if not mesh_net:
		return

	if object_path == mesh_net[2]:
		print('Service was removed')
		mainloop.quit()

class Application(dbus.service.Object):

	def __init__(self, bus):
		self.path = '/example'
		self.elements = []
		dbus.service.Object.__init__(self, bus, self.path)

	def get_path(self):
		return dbus.ObjectPath(self.path)

	def add_element(self, element):
		self.elements.append(element)

	def get_element(self, idx):
		for ele in self.elements:
			if ele.get_index() == idx:
				return ele

	@dbus.service.method(DBUS_OM_IFACE, out_signature='a{oa{sa{sv}}}')
	def GetManagedObjects(self):
		response = {}
		print('GetManagedObjects')
		for element in self.elements:
			response[element.get_path()] = element.get_properties()
		return response

class Element(dbus.service.Object):
	PATH_BASE = '/example/ele'

	def __init__(self, bus, index):
		self.path = self.PATH_BASE + format(index, '02x')
		print(self.path)
		self.models = []
		self.bus = bus
		self.index = index
		dbus.service.Object.__init__(self, bus, self.path)

	def _get_sig_models(self):
		ids = []
		for model in self.models:
			id = model.get_id()
			vendor = model.get_vendor()
			if vendor == VENDOR_ID_NONE:
				ids.append(id)
		return ids

	def get_properties(self):
		return {
				MESH_ELEMENT_IFACE: {
				'Index': dbus.Byte(self.index),
				'Models': dbus.Array(
					self._get_sig_models(), signature='q')
				}
		}

	def add_model(self, model):
		model.set_path(self.path)
		self.models.append(model)

	def get_index(self):
		return self.index

	def set_model_config(self, config):
		print('Set element models config')

	@dbus.service.method(MESH_ELEMENT_IFACE,
					in_signature="qqbay", out_signature="")
	def MessageReceived(self, source, key, is_sub, data):
		print('Message Received on Element ', end='')
		print(self.index)
		for model in self.models:
			model.process_message(source, key, data)

	@dbus.service.method(MESH_ELEMENT_IFACE,
					in_signature="qa{sv}", out_signature="")

	def UpdateModelConfiguration(self, model_id, config):
		print('UpdateModelConfig ', end='')
		print(hex(model_id))
		for model in self.models:
			if model_id == model.get_id():
				model.set_config(config)
				return

	@dbus.service.method(MESH_ELEMENT_IFACE,
					in_signature="", out_signature="")
	def get_path(self):
		return dbus.ObjectPath(self.path)

class Model():
	def __init__(self, model_id):
		self.cmd_ops = []
		self.model_id = model_id
		self.vendor = VENDOR_ID_NONE
		self.path = None

	def set_path(self, path):
		self.path = path

	def get_id(self):
		return self.model_id

	def get_vendor(self):
		return self.vendor

	def process_message(self, source, key, data):
		print('Model process message')

	def set_publication(self, period):
		self.period = period

	def set_bindings(self, bindings):
		self.bindings = bindings

	def set_config(self, config):
		if 'Bindings' in config:
			self.bindings = config.get('Bindings')
			print('Bindings: ', end='')
			print(self.bindings)
		if 'PublicationPeriod' in config:
			self.set_publication(config.get('PublicationPeriod'))
			print('Model publication period ', end='')
			print(self.pub_period, end='')
			print(' ms')

class OnOffClient(Model):
	def __init__(self, model_id):
		Model.__init__(self, model_id)
		self.cmd_ops = { 0x8201, # get
						 0x8202, # set
						 0x8203 } # set unacknowledged
		print('OnOff Client')

	def _reply_cb(state):
		print('State ', end='');
		print(state)

	def _send_message(self, dest, key, data, reply_cb):
		print('OnOffClient send data')
		node.Send(self.path, dest, key, data, reply_handler=reply_cb,
				  error_handler=error_cb)

	def get_state(self, dest, key):
		opcode = 0x8201
		data = struct.pack('<H', opcode)
		self._send_message(dest, key, data, self._reply_cb)

	def set_state(self, dest, key, state):
		opcode = 0x8202
		data = struct.pack('<HB', opcode, state)
		self._send_message(dest, key, data, self._reply_cb)

	def process_message(self, source, key, data):
		print('OnOffClient process message len ', end = '')
		datalen = len(data)
		print(datalen)

		if datalen!=3:
			return

		opcode, state=struct.unpack('<HB',bytes(data))
		if opcode != 0x8202 :
			print('Bad opcode ', end='')
			print(hex(opcode))
			return

		print('Got state ', end = '')
		print(hex(state))

def attach_app_error_cb(error):
	print('Failed to register application: ' + str(error))
	mainloop.quit()

def main():

	DBusGMainLoop(set_as_default=True)

	global bus
	bus = dbus.SystemBus()
	global mainloop
	global app

	mesh_net = dbus.Interface(bus.get_object(MESH_SERVICE_NAME,
							"/org/bluez/mesh"),
							MESH_NETWORK_IFACE)
	mesh_net.connect_to_signal('InterfacesRemoved', interfaces_removed_cb)

	app = Application(bus)
	first_ele = Element(bus, 0x00)
	first_ele.add_model(OnOffClient(0x1001))
	app.add_element(first_ele)

	mainloop = GObject.MainLoop()

	print('Attach')
	mesh_net.Attach(app.get_path(), token,
					reply_handler=attach_app_cb,
					error_handler=attach_app_error_cb)
	mainloop.run()

if __name__ == '__main__':
	main()