mirror of
https://git.kernel.org/pub/scm/bluetooth/bluez.git
synced 2024-11-26 13:44:23 +08:00
121 lines
4.2 KiB
Python
Executable File
121 lines
4.2 KiB
Python
Executable File
#!/usr/bin/python
|
|
# Script for testing the Attribute D-Bus API
|
|
|
|
import sys
|
|
from optparse import OptionParser, OptionValueError
|
|
from binascii import hexlify, unhexlify
|
|
|
|
import gobject
|
|
import dbus
|
|
import dbus.service
|
|
import dbus.mainloop.glib
|
|
|
|
def handle_set_property(option, opt_str, value, parser):
|
|
"""Handle --set-property parameter."""
|
|
|
|
char_path = parser.values.char_path
|
|
if not char_path:
|
|
raise OptionValueError, "%s requires --char-path" % opt_str
|
|
if len(value.split("=")) != 2:
|
|
raise OptionValueError, "%s must have format \"property=value\"" % opt_str
|
|
if not getattr(parser.values, option.dest, None):
|
|
setattr(parser.values, option.dest, {})
|
|
props = getattr(parser.values, option.dest)
|
|
if not props.get(char_path):
|
|
props[char_path] = []
|
|
props[char_path].append(value.split("="))
|
|
|
|
def command_parse():
|
|
"""Parse command line options."""
|
|
|
|
usage = """
|
|
Usage: %s [options]""" % sys.argv[0]
|
|
parser = OptionParser(usage=usage)
|
|
parser.add_option("-i", "--adapter", action="store", type="string",
|
|
help="Specify local adapter interface")
|
|
parser.add_option("--listen", action="store_true",
|
|
help="Listen for notifications and indications (requires policy changes)")
|
|
parser.add_option("--char-path", action="store", type="string",
|
|
help="D-Bus path for specific characteristic")
|
|
parser.add_option("--set-property", action="callback", type="string",
|
|
metavar="NAME=VALUE", callback=handle_set_property,
|
|
help="Set property for characteristic")
|
|
return parser.parse_args()
|
|
|
|
def dbus_type_to_str(d):
|
|
"""Convert a D-Bus array to a hexdump."""
|
|
|
|
if isinstance(d, dbus.Array):
|
|
return hexlify("".join([str(x) for x in d]))
|
|
else:
|
|
return str(d)
|
|
|
|
def hexdump_to_dbus(data):
|
|
"""Convert an hexadecimal dump to D-Bus array."""
|
|
|
|
d = [dbus.Byte(ord(i)) for i in unhexlify(data)]
|
|
return dbus.Array(d, signature=dbus.Signature('y'), variant_level=1)
|
|
|
|
class Watcher(dbus.service.Object):
|
|
@dbus.service.method("org.bluez.Watcher", in_signature="oay", out_signature="")
|
|
def ValueChanged(self, char, newvalue):
|
|
print "Watcher: new value for %s: %s" % (char, dbus_type_to_str(newvalue))
|
|
|
|
def handle_characteristics(char):
|
|
for (path, props) in char.GetCharacteristics().iteritems():
|
|
if options.char_path and path != options.char_path:
|
|
continue
|
|
|
|
if not options.set_property:
|
|
ret = "Characteristic: %s\nProperties:\n" % path
|
|
for (k, v) in props.iteritems():
|
|
ret += "\t%s: %s\n" % (k, dbus_type_to_str(v))
|
|
print ret
|
|
elif options.set_property.get(path, None):
|
|
for (k, v) in options.set_property[path]:
|
|
char2 = dbus.Interface(bus.get_object("org.bluez",
|
|
path), "org.bluez.Characteristic")
|
|
if k == "Value":
|
|
char2.SetProperty(k, hexdump_to_dbus(v))
|
|
else:
|
|
char2.SetProperty(k, v)
|
|
|
|
def handle_services(device):
|
|
for s in device.GetProperties()["Services"]:
|
|
char = dbus.Interface(bus.get_object("org.bluez", s),
|
|
"org.bluez.Characteristic")
|
|
if options.listen:
|
|
char.RegisterCharacteristicsWatcher(watcher_path)
|
|
else:
|
|
handle_characteristics(char)
|
|
|
|
if __name__ == "__main__":
|
|
(options, args) = command_parse()
|
|
|
|
dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
|
|
bus = dbus.SystemBus()
|
|
manager = dbus.Interface(bus.get_object("org.bluez", "/"),
|
|
"org.bluez.Manager")
|
|
|
|
if options.adapter:
|
|
path = manager.FindAdapter(options.adapter)
|
|
else:
|
|
path = manager.DefaultAdapter()
|
|
|
|
adapter = dbus.Interface(bus.get_object("org.bluez", path),
|
|
"org.bluez.Adapter")
|
|
|
|
if options.listen:
|
|
watcher_path = "/test/watcher"
|
|
watcher = Watcher(bus, watcher_path)
|
|
|
|
for d in adapter.GetProperties()["Devices"]:
|
|
device = dbus.Interface(bus.get_object("org.bluez", d),
|
|
"org.bluez.Device")
|
|
handle_services(device)
|
|
|
|
if options.listen:
|
|
print "Waiting for incoming notifications/indications..."
|
|
mainloop = gobject.MainLoop()
|
|
mainloop.run()
|