Gatt server does not catch connection signals
I am working with the sample gatt server provided with BlueZ and have added a signal handler to detect connections and disconnections like so:
bus.add_signal_receiver(PropertiesChangedHandler,
dbus_interface = "org.freedesktop.DBus.Properties",
signal_name = "PropertiesChanged",
arg0 = "org.bluez.Device1",
path_keyword = "path")
My signal handler simply prints out some information:
def PropertiesChangedHandler(interface, changed, invalidated, path):
if 'Connected' in changed:
print("---- Connected Property Changed ----")
print('Interface: ', interface)
print('Changed: ', changed['Connected'])
print('Path: ', path)
if 'ServicesResolved' in changed:
print("---- ServicesResolved Property Changed ----")
print('Interface: ', interface)
print('Changed: ', changed['ServicesResolved'])
print('Path: ', path)
When running the server, however, I am only able to detect disconnections. I never get any signals for connections. I added 'ServicesResolved' to the signals being handled and it seemed to work as expected. My logs look a like this when I connect and disconnect:
---- ServicesResolved Property Changed ----
Interface: org.bluez.Device1
Changed: 1
Path: /org/bluez/hci0/dev_42_36_D9_11_CA_4B
---- Connected Property Changed ----
Interface: org.bluez.Device1
Changed: 0
Path: /org/bluez/hci0/dev_42_36_D9_11_CA_4B
---- ServicesResolved Property Changed ----
Interface: org.bluez.Device1
Changed: 0
Path: /org/bluez/hci0/dev_42_36_D9_11_CA_4B
What reason(s) could there be for this strange behavior? I am using BlueZ 5.46 if that matters.
python bluez
asked Nov 14 '18 at 8:29
ukyo_rulzukyo_rulz
213
add a comment |
I am working with the sample gatt server provided with BlueZ and have added a signal handler to detect connections and disconnections like so:
bus.add_signal_receiver(PropertiesChangedHandler,
dbus_interface = "org.freedesktop.DBus.Properties",
signal_name = "PropertiesChanged",
arg0 = "org.bluez.Device1",
path_keyword = "path")
My signal handler simply prints out some information:
def PropertiesChangedHandler(interface, changed, invalidated, path):
if 'Connected' in changed:
print("---- Connected Property Changed ----")
print('Interface: ', interface)
print('Changed: ', changed['Connected'])
print('Path: ', path)
if 'ServicesResolved' in changed:
print("---- ServicesResolved Property Changed ----")
print('Interface: ', interface)
print('Changed: ', changed['ServicesResolved'])
print('Path: ', path)
When running the server, however, I am only able to detect disconnections. I never get any signals for connections. I added 'ServicesResolved' to the signals being handled and it seemed to work as expected. My logs look a like this when I connect and disconnect:
---- ServicesResolved Property Changed ----
Interface: org.bluez.Device1
Changed: 1
Path: /org/bluez/hci0/dev_42_36_D9_11_CA_4B
---- Connected Property Changed ----
Interface: org.bluez.Device1
Changed: 0
Path: /org/bluez/hci0/dev_42_36_D9_11_CA_4B
---- ServicesResolved Property Changed ----
Interface: org.bluez.Device1
Changed: 0
Path: /org/bluez/hci0/dev_42_36_D9_11_CA_4B
What reason(s) could there be for this strange behavior? I am using BlueZ 5.46 if that matters.
python bluez
asked Nov 14 '18 at 8:29
ukyo_rulzukyo_rulz
213
Bluez 4.46? It's already deprecated!
– Parthiban
Nov 14 '18 at 9:49
@Parthiban my apologies that was a typo on my part. I am actually on 5.46. Edited the question to reflect the correct info.
– ukyo_rulz
Nov 15 '18 at 1:36
add a comment |
I am working with the sample gatt server provided with BlueZ and have added a signal handler to detect connections and disconnections like so:
bus.add_signal_receiver(PropertiesChangedHandler,
dbus_interface = "org.freedesktop.DBus.Properties",
signal_name = "PropertiesChanged",
arg0 = "org.bluez.Device1",
path_keyword = "path")
My signal handler simply prints out some information:
def PropertiesChangedHandler(interface, changed, invalidated, path):
if 'Connected' in changed:
print("---- Connected Property Changed ----")
print('Interface: ', interface)
print('Changed: ', changed['Connected'])
print('Path: ', path)
if 'ServicesResolved' in changed:
print("---- ServicesResolved Property Changed ----")
print('Interface: ', interface)
print('Changed: ', changed['ServicesResolved'])
print('Path: ', path)
When running the server, however, I am only able to detect disconnections. I never get any signals for connections. I added 'ServicesResolved' to the signals being handled and it seemed to work as expected. My logs look a like this when I connect and disconnect:
---- ServicesResolved Property Changed ----
Interface: org.bluez.Device1
Changed: 1
Path: /org/bluez/hci0/dev_42_36_D9_11_CA_4B
---- Connected Property Changed ----
Interface: org.bluez.Device1
Changed: 0
Path: /org/bluez/hci0/dev_42_36_D9_11_CA_4B
---- ServicesResolved Property Changed ----
Interface: org.bluez.Device1
Changed: 0
Path: /org/bluez/hci0/dev_42_36_D9_11_CA_4B
What reason(s) could there be for this strange behavior? I am using BlueZ 5.46 if that matters.
python bluez
asked Nov 14 '18 at 8:29
ukyo_rulzukyo_rulz
213
I am working with the sample gatt server provided with BlueZ and have added a signal handler to detect connections and disconnections like so:
bus.add_signal_receiver(PropertiesChangedHandler,
dbus_interface = "org.freedesktop.DBus.Properties",
signal_name = "PropertiesChanged",
arg0 = "org.bluez.Device1",
path_keyword = "path")
My signal handler simply prints out some information:
def PropertiesChangedHandler(interface, changed, invalidated, path):
if 'Connected' in changed:
print("---- Connected Property Changed ----")
print('Interface: ', interface)
print('Changed: ', changed['Connected'])
print('Path: ', path)
if 'ServicesResolved' in changed:
print("---- ServicesResolved Property Changed ----")
print('Interface: ', interface)
print('Changed: ', changed['ServicesResolved'])
print('Path: ', path)
When running the server, however, I am only able to detect disconnections. I never get any signals for connections. I added 'ServicesResolved' to the signals being handled and it seemed to work as expected. My logs look a like this when I connect and disconnect:
---- ServicesResolved Property Changed ----
Interface: org.bluez.Device1
Changed: 1
Path: /org/bluez/hci0/dev_42_36_D9_11_CA_4B
---- Connected Property Changed ----
Interface: org.bluez.Device1
Changed: 0
Path: /org/bluez/hci0/dev_42_36_D9_11_CA_4B
---- ServicesResolved Property Changed ----
Interface: org.bluez.Device1
Changed: 0
Path: /org/bluez/hci0/dev_42_36_D9_11_CA_4B
What reason(s) could there be for this strange behavior? I am using BlueZ 5.46 if that matters.
python bluez
python bluez
asked Nov 14 '18 at 8:29
ukyo_rulzukyo_rulz
213
asked Nov 14 '18 at 8:29
ukyo_rulzukyo_rulz
213
edited Nov 15 '18 at 1:36
ukyo_rulz
asked Nov 14 '18 at 8:29
ukyo_rulzukyo_rulz
213
asked Nov 14 '18 at 8:29
ukyo_rulzukyo_rulz
213
asked Nov 14 '18 at 8:29
ukyo_rulzukyo_rulz
213
213
Bluez 4.46? It's already deprecated!
– Parthiban
Nov 14 '18 at 9:49
@Parthiban my apologies that was a typo on my part. I am actually on 5.46. Edited the question to reflect the correct info.
– ukyo_rulz
Nov 15 '18 at 1:36
add a comment |
Bluez 4.46? It's already deprecated!
– Parthiban
Nov 14 '18 at 9:49
@Parthiban my apologies that was a typo on my part. I am actually on 5.46. Edited the question to reflect the correct info.
– ukyo_rulz
Nov 15 '18 at 1:36
Bluez 4.46? It's already deprecated!
– Parthiban
Nov 14 '18 at 9:49
Bluez 4.46? It's already deprecated!
– Parthiban
Nov 14 '18 at 9:49
@Parthiban my apologies that was a typo on my part. I am actually on 5.46. Edited the question to reflect the correct info.
– ukyo_rulz
Nov 15 '18 at 1:36
@Parthiban my apologies that was a typo on my part. I am actually on 5.46. Edited the question to reflect the correct info.
– ukyo_rulz
Nov 15 '18 at 1:36
add a comment |
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Bluez 4.46? It's already deprecated!
– Parthiban
Nov 14 '18 at 9:49
@Parthiban my apologies that was a typo on my part. I am actually on 5.46. Edited the question to reflect the correct info.
– ukyo_rulz
Nov 15 '18 at 1:36