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bacpypes/samples/DeviceCommunicationControl.py
2017-08-04 02:07:14 -04:00

159 lines
4.5 KiB
Python
Executable File

#!/usr/bin/env python
"""
This application presents a 'console' prompt to the user asking for
device communication control commands.
"""
import sys
from bacpypes.debugging import bacpypes_debugging, ModuleLogger
from bacpypes.consolelogging import ConfigArgumentParser
from bacpypes.consolecmd import ConsoleCmd
from bacpypes.core import run, enable_sleeping
from bacpypes.iocb import IOCB
from bacpypes.pdu import Address
from bacpypes.apdu import DeviceCommunicationControlRequest
from bacpypes.app import BIPSimpleApplication
from bacpypes.service.device import LocalDeviceObject
# some debugging
_debug = 0
_log = ModuleLogger(globals())
# globals
this_application = None
#
# DCCConsoleCmd
#
@bacpypes_debugging
class DCCConsoleCmd(ConsoleCmd):
def do_dcc(self, args):
"""dcc <addr> [ <duration> ] <enable> [ <password> ]"""
args = args.split()
if _debug: DCCConsoleCmd._debug("do_dcc %r", args)
try:
addr = args[0]
if len(args) == 2:
enable_disable = args[1]
time_duration = password = None
elif len(args) == 3:
if args[1].isdigit():
time_duration = int(args[1])
enable_disable = args[2]
password = None
else:
time_duration = None
enable_disable = args[1]
password = args[2]
else:
time_duration = int(args[1])
enable_disable = args[2]
password = args[3]
# build a request
request = DeviceCommunicationControlRequest(
enableDisable=enable_disable,
)
request.pduDestination = Address(addr)
if time_duration is not None:
request.timeDuration = time_duration
if password is not None:
request.password = password
if _debug: DCCConsoleCmd._debug(" - request: %r", request)
# make an IOCB
iocb = IOCB(request)
if _debug: DCCConsoleCmd._debug(" - iocb: %r", iocb)
# give it to the application
this_application.request_io(iocb)
# wait for it to complete
iocb.wait()
# do something for error/reject/abort
if iocb.ioError:
sys.stdout.write(str(iocb.ioError) + '\n')
else:
if _debug: DCCConsoleCmd._debug(" - ack")
except Exception as error:
DCCConsoleCmd._exception("exception: %r", error)
def do_rtn(self, args):
"""rtn <addr> <net> ... """
args = args.split()
if _debug: DCCConsoleCmd._debug("do_rtn %r", args)
# safe to assume only one adapter
adapter = this_application.nsap.adapters[0]
if _debug: DCCConsoleCmd._debug(" - adapter: %r", adapter)
# provide the address and a list of network numbers
router_address = Address(args[0])
network_list = [int(arg) for arg in args[1:]]
# pass along to the service access point
this_application.nsap.add_router_references(adapter, router_address, network_list)
#
# __main__
#
def main():
global this_application
# parse the command line arguments
args = ConfigArgumentParser(description=__doc__).parse_args()
if _debug: _log.debug("initialization")
if _debug: _log.debug(" - args: %r", args)
# make a device object
this_device = LocalDeviceObject(
objectName=args.ini.objectname,
objectIdentifier=int(args.ini.objectidentifier),
maxApduLengthAccepted=int(args.ini.maxapdulengthaccepted),
segmentationSupported=args.ini.segmentationsupported,
vendorIdentifier=int(args.ini.vendoridentifier),
)
# make a simple application
this_application = BIPSimpleApplication(this_device, args.ini.address)
# get the services supported
services_supported = this_application.get_services_supported()
if _debug: _log.debug(" - services_supported: %r", services_supported)
# let the device object know
this_device.protocolServicesSupported = services_supported.value
# make a console
this_console = DCCConsoleCmd()
if _debug: _log.debug(" - this_console: %r", this_console)
# enable sleeping will help with threads
enable_sleeping()
_log.debug("running")
run()
_log.debug("fini")
if __name__ == "__main__":
main()