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#!/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()
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