ibeacon.py

ibeacon.py

#!/usr/bin/python

import dbus
import dbus.exceptions
import dbus.mainloop.glib
import dbus.service

import array
import gobject

from random import randint

mainloop = None

BLUEZ_SERVICE_NAME = 'org.bluez'
LE_ADVERTISING_MANAGER_IFACE = 'org.bluez.LEAdvertisingManager1'
DBUS_OM_IFACE = 'org.freedesktop.DBus.ObjectManager'
DBUS_PROP_IFACE = 'org.freedesktop.DBus.Properties'

LE_ADVERTISEMENT_IFACE = 'org.bluez.LEAdvertisement1'


class InvalidArgsException(dbus.exceptions.DBusException):
    _dbus_error_name = 'org.freedesktop.DBus.Error.InvalidArgs'


class NotSupportedException(dbus.exceptions.DBusException):
    _dbus_error_name = 'org.bluez.Error.NotSupported'


class NotPermittedException(dbus.exceptions.DBusException):
    _dbus_error_name = 'org.bluez.Error.NotPermitted'


class InvalidValueLengthException(dbus.exceptions.DBusException):
    _dbus_error_name = 'org.bluez.Error.InvalidValueLength'


class FailedException(dbus.exceptions.DBusException):
    _dbus_error_name = 'org.bluez.Error.Failed'


class Advertisement(dbus.service.Object):
    PATH_BASE = '/org/bluez/example/advertisement'

    def __init__(self, bus, index, advertising_type):
        self.path = self.PATH_BASE + str(index)
        self.bus = bus
        self.ad_type = advertising_type
        self.service_uuids = None
        self.manufacturer_data = None
        self.solicit_uuids = None
        self.service_data = None
        self.local_name = None
        self.include_tx_power = None
        dbus.service.Object.__init__(self, bus, self.path)

    def get_properties(self):
        properties = dict()
        properties['Type'] = self.ad_type
        if self.service_uuids is not None:
            properties['ServiceUUIDs'] = dbus.Array(self.service_uuids,
                                                    signature='s')
        if self.solicit_uuids is not None:
            properties['SolicitUUIDs'] = dbus.Array(self.solicit_uuids,
                                                    signature='s')
        if self.manufacturer_data is not None:
            properties['ManufacturerData'] = dbus.Dictionary(
                self.manufacturer_data, signature='qv')
        if self.service_data is not None:
            properties['ServiceData'] = dbus.Dictionary(self.service_data,
                                                        signature='sv')
        if self.local_name is not None:
            properties['LocalName'] = dbus.String(self.local_name)
        if self.include_tx_power is not None:
            properties['IncludeTxPower'] = dbus.Boolean(self.include_tx_power)
        return {LE_ADVERTISEMENT_IFACE: properties}

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

    def add_service_uuid(self, uuid):
        if not self.service_uuids:
            self.service_uuids = []
        self.service_uuids.append(uuid)

    def add_solicit_uuid(self, uuid):
        if not self.solicit_uuids:
            self.solicit_uuids = []
        self.solicit_uuids.append(uuid)

    def add_manufacturer_data(self, manuf_code, data):
        if not self.manufacturer_data:
            self.manufacturer_data = dbus.Dictionary({}, signature='qv')
        self.manufacturer_data[manuf_code] = dbus.Array(data, signature='y')

    def add_service_data(self, uuid, data):
        if not self.service_data:
            self.service_data = dbus.Dictionary({}, signature='sv')
        self.service_data[uuid] = dbus.Array(data, signature='y')

    def add_local_name(self, name):
        if not self.local_name:
            self.local_name = ""
        self.local_name = dbus.String(name)

    @dbus.service.method(DBUS_PROP_IFACE,
                         in_signature='s',
                         out_signature='a{sv}')
    def GetAll(self, interface):
        print 'GetAll'
        if interface != LE_ADVERTISEMENT_IFACE:
            raise InvalidArgsException()
        print 'returning props'
        return self.get_properties()[LE_ADVERTISEMENT_IFACE]

    @dbus.service.method(LE_ADVERTISEMENT_IFACE,
                         in_signature='',
                         out_signature='')
    def Release(self):
        print '%s: Released!' % self.path

class TestAdvertisement(Advertisement):
  def __init__(self, bus, index):
      company_id =   0x004C
      beacon_type = [0x02, 0x15]
      uuid =        [0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 
                     0x09, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16]
      major =       [0x11, 0x22]
      minor =       [0x33, 0x44]
      tx_power =    [0xB3]
      Advertisement.__init__(self, bus, index, 'peripheral')
      self.add_manufacturer_data(company_id, beacon_type + uuid + major + minor + tx_power)

def register_ad_cb():
    print 'Advertisement registered'


def register_ad_error_cb(error):
    print 'Failed to register advertisement: ' + str(error)
    mainloop.quit()


def find_adapter(bus):
    remote_om = dbus.Interface(bus.get_object(BLUEZ_SERVICE_NAME, '/'),
                               DBUS_OM_IFACE)
    objects = remote_om.GetManagedObjects()

    for o, props in objects.iteritems():
        if LE_ADVERTISING_MANAGER_IFACE in props:
            return o

    return None


def main():
    global mainloop

    dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)

    bus = dbus.SystemBus()

    adapter = find_adapter(bus)
    if not adapter:
        print 'LEAdvertisingManager1 interface not found'
        return

    adapter_props = dbus.Interface(bus.get_object(BLUEZ_SERVICE_NAME, adapter),
                                   "org.freedesktop.DBus.Properties");

    adapter_props.Set("org.bluez.Adapter1", "Powered", dbus.Boolean(1))

    ad_manager = dbus.Interface(bus.get_object(BLUEZ_SERVICE_NAME, adapter),
                                LE_ADVERTISING_MANAGER_IFACE)

    test_advertisement = TestAdvertisement(bus, 0)

    mainloop = gobject.MainLoop()

    ad_manager.RegisterAdvertisement(test_advertisement.get_path(), {},
                                     reply_handler=register_ad_cb,
                                     error_handler=register_ad_error_cb)

    mainloop.run()

if __name__ == '__main__':
    main()

setup.sh

wget www.kernel.org/pub/linux/bluetooth/bluez-5.48.tar.xz
tar xvf bluez-5.48.tar.xz && cd bluez-5.48
sudo apt-get install python-dbus python-gobject libdbus-1-dev libglib2.0-dev libudev-dev libical-dev libreadline-dev -y
./configure --prefix=/usr --mandir=/usr/share/man --sysconfdir=/etc --localstatedir=/var --enable-experimental
make -j4
sudo make install

wget https://gist.githubusercontent.com/joeandaverde/abf03622d71b474674537d4bc7625478/raw/f0fd8a52a8fc30a642c3d3cef3a901e18053135e/ibeacon.py

mv ibeacon.py ibeacon
chmod +x ibeacon

sudo apt-get install vim
vim ibeacon

sudo su

cat <<'EOF' > /lib/systemd/system/ibeacon.service
[Unit]
Description=iBeacon Service

[Service]
Type=idle
ExecStart=/home/pi/ibeacon

[Install]
WantedBy=multi-user.target

EOF

systemctl enable ibeacon.service
systemctl daemon-reload
chmod 644 /lib/systemd/system/ibeacon.service