This is an initial version. Watcher registration is not working properly
yet. For now it will list all characteristics and its properties.
---
test/test-attrib | 93 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 93 insertions(+), 0 deletions(-)
create mode 100755 test/test-attrib
diff --git a/test/test-attrib b/test/test-attrib
new file mode 100755
index 0000000..bf3334b
--- /dev/null
+++ b/test/test-attrib
@@ -0,0 +1,93 @@
+#!/usr/bin/python
+import sys
+from optparse import OptionParser
+from xml.etree import ElementTree as ET
+from binascii import hexlify
+
+#import gobject
+import dbus
+#import dbus.service
+#import dbus.mainloop.glib
+
+#TEMPERATURE_UUID = "0000a006-0000-1000-8000-00805f9b34fb"
+
+def command_parse():
+ """Parse command line options."""
+
+ usage = """
+ Usage: %s [options]"""
+ parser = OptionParser(usage=usage)
+ parser.add_option("-i", "--adapter", action="store", type="string",
+ dest="adapter", help="Specify local adapter interface")
+ return parser.parse_args()
+
+# FIXME: implement a better way of discovering GATT services
+def gatt_services(device_path):
+ """Get GATT services for a given device."""
+
+ intro = dbus.Interface(bus.get_object("org.bluez", device_path),
+ "org.freedesktop.DBus.Introspectable")
+ tree = ET.fromstring(intro.Introspect())
+ services = [n.attrib["name"] for n in tree.getiterator("node")]
+ services = filter(lambda x: x.startswith("service"), services)
+ services = map(lambda x: device_path + "/" + x, services)
+
+ return services
+
+def characteristics(service_path):
+ """Get characteristics for a given GATT service."""
+
+ char = dbus.Interface(bus.get_object("org.bluez", service_path),
+ "org.bluez.Characteristic")
+
+ return char.GetCharacteristics()
+
+def dbus_type_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)
+
+#class Watcher(dbus.service.Object):
+# @dbus.service.method("org.bluez.Watcher", in_signature="oay", out_signature="")
+# def ValueChanged(self, char, newvalue):
+# print "XXX: new value for %s: %s" % (char, newvalue)
+
+if __name__ == "__main__":
+ #dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
+ bus = dbus.SystemBus()
+ manager = dbus.Interface(bus.get_object("org.bluez", "/"),
+ "org.bluez.Manager")
+
+ (options, args) = command_parse()
+
+ if options.adapter:
+ path = manager.FindAdapter(options.adapter)
+ else:
+ path = manager.DefaultAdapter()
+
+ adapter = dbus.Interface(bus.get_object("org.bluez", path),
+ "org.bluez.Adapter")
+
+ #watcher = None
+
+ for d in adapter.GetProperties()["Devices"]:
+ for s in gatt_services(d):
+ for (path, props) in characteristics(s).iteritems():
+ ret = "Characteristic: %s\nProperties:\n" % path
+ for (k, v) in props.iteritems():
+ # FIXME: Watcher registration not working properly. We
+ # still need to figure out how to properly create the
+ # Object whose ValueChanged() method will be called
+ #if (k, v) == ["UUID", TEMPERATURE_UUID]:
+ # char = dbus.Interface(bus.get_object("org.bluez", s),
+ # "org.bluez.Characteristic")
+ # watcher = Watcher(bus, path)
+ # char.RegisterCharacteristicsWatcher(path)
+ ret += "\t%s: %s\n" % (k, dbus_type_str(v))
+ print ret
+
+ #mainloop = gobject.MainLoop()
+ #mainloop.run()
--
1.7.0.4
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