def handle_session_signal(*args, **kwds):
if kwds['interface'] == 'com.hplip.Toolbox' and \
kwds['member'] == 'Event':
event = device.Event(*args)
event.debug()
if event.event_code > EVENT_MAX_EVENT:
event.event_code = status.MapPJLErrorCode(event.event_code)
# regular user/device status event
log.debug("Received event notifier: %d" % event.event_code)
if not event.send_via_pipe(w, 'toolbox ui'):
sys.exit(1)
def handle_event(event, more_args=None):
#global polling_blocked
#global request_queue
# checking if any zombie child process exists. then cleaning same.
try:
os.waitpid(0, os.WNOHANG)
except OSError:
pass
log.debug("Handling event...")
if more_args is None:
more_args = []
event.debug()
if event.event_code == EVENT_AUTO_CONFIGURE:
handle_plugin_install()
return
if event.event_code == EVENT_DIAGNOSE_PRINTQUEUE:
handle_printer_diagnose()
return
if event.device_uri and check_device(event.device_uri) != ERROR_SUCCESS:
return
# If event-code > 10001, its a PJL error code, so convert it
if event.event_code > EVENT_MAX_EVENT:
event.event_code = status.MapPJLErrorCode(event.event_code)
# regular user/device status event
if event.event_code < EVENT_MIN_USER_EVENT:
pass
elif EVENT_MIN_USER_EVENT <= event.event_code <= EVENT_MAX_USER_EVENT:
if event.device_uri:
#event.device_uri = event.device_uri.replace('hpfax:', 'hp:')
dup_event = create_history(event)
if event.event_code in (EVENT_DEVICE_STOP_POLLING,
EVENT_START_MAINT_JOB,
EVENT_START_COPY_JOB, EVENT_START_FAX_JOB,
EVENT_START_PRINT_JOB):
pass # stop polling (increment counter)
elif event.event_code in (
EVENT_DEVICE_START_POLLING, # should this event force counter to 0?
EVENT_END_MAINT_JOB,
EVENT_END_COPY_JOB,
EVENT_END_FAX_JOB,
EVENT_END_PRINT_JOB,
EVENT_PRINT_FAILED_MISSING_PLUGIN,
EVENT_SCANNER_FAIL,
EVENT_END_SCAN_JOB,
EVENT_SCAN_FAILED_MISSING_PLUGIN,
EVENT_FAX_JOB_FAIL,
EVENT_FAX_JOB_CANCELED,
EVENT_FAX_FAILED_MISSING_PLUGIN,
EVENT_COPY_JOB_FAIL,
EVENT_COPY_JOB_CANCELED):
pass # start polling if counter <= 0
# TODO: Do tools send END event if canceled or failed? Should they?
# TODO: What to do if counter doesn't hit 0 after a period? Timeout?
# TODO: Also, need to deal with the backoff setting (or it completely sep?)
# Send to system tray icon if available
if not dup_event: # and event.event_code != STATUS_PRINTER_IDLE:
send_event_to_systray_ui(event)
# send EVENT_HISTORY_UPDATE signal to hp-toolbox
send_toolbox_event(event, EVENT_HISTORY_UPDATE)
if event.event_code in (EVENT_PRINT_FAILED_MISSING_PLUGIN,
EVENT_SCAN_FAILED_MISSING_PLUGIN,
EVENT_FAX_FAILED_MISSING_PLUGIN):
handle_plugin_install()
# Handle fax signals
elif EVENT_FAX_MIN <= event.event_code <= EVENT_FAX_MAX and more_args:
log.debug("Fax event")
pipe_name = str(more_args[0])
handle_fax_event(event, pipe_name)
elif event.event_code == EVENT_USER_CONFIGURATION_CHANGED:
# Sent if polling, hiding, etc. configuration has changed
# send_event_to_hpdio(event)
send_event_to_systray_ui(event)
elif event.event_code == EVENT_SYS_CONFIGURATION_CHANGED: # Not implemented
#send_event_to_hpdio(event)
send_event_to_systray_ui(event)
# Qt4 only
elif event.event_code in (EVENT_DEVICE_UPDATE_REQUESTED, ):
#EVENT_DEVICE_START_POLLING, # ? Who handles polling? hpssd? probably...
#EVENT_DEVICE_STOP_POLLING): # ?
send_event_to_hpdio(event)
# Qt4 only
elif event.event_code in (EVENT_DEVICE_UPDATE_ACTIVE,
EVENT_DEVICE_UPDATE_INACTIVE):
send_event_to_systray_ui(event)
# Qt4 only
elif event.event_code == EVENT_DEVICE_UPDATE_REPLY:
bytes_written = int(more_args[1])
handle_hpdio_event(event, bytes_written)
# Qt4 only
elif event.event_code == EVENT_CUPS_QUEUES_ADDED or event.event_code == EVENT_CUPS_QUEUES_REMOVED:
send_event_to_systray_ui(event)
send_toolbox_event(event, EVENT_HISTORY_UPDATE)
# Qt4 only
elif event.event_code == EVENT_SYSTEMTRAY_EXIT:
send_event_to_hpdio(event)
send_toolbox_event(event)
send_event_to_systray_ui(event)
log.debug("Exiting")
main_loop.quit()
elif event.event_code in (EVENT_DEVICE_START_POLLING,
EVENT_DEVICE_STOP_POLLING):
pass
else:
log.error("Unhandled event: %d" % event.event_code)