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https://github.com/JoelBender/bacpypes
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bring the additional samples from the master
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dbe61f40f1
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samples/BBMD.py
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75
samples/BBMD.py
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#!/usr/bin/env python
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"""
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This sample application presents itself as a BBMD sitting on an IP network.
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The first parameter is the address of the BBMD itself and the second and
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subsequent parameters are the entries to put in its broadcast distribution
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table.
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"""
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from bacpypes.debugging import ModuleLogger
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from bacpypes.consolelogging import ArgumentParser
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from bacpypes.core import run
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from bacpypes.comm import bind
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from bacpypes.pdu import Address
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from bacpypes.bvllservice import BIPBBMD, AnnexJCodec, UDPMultiplexer
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# some debugging
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_debug = 0
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_log = ModuleLogger(globals())
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#
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# __main__
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#
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def main():
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# parse the command line arguments
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parser = ArgumentParser(description=__doc__)
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# add an argument for interval
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parser.add_argument('localaddr', type=str,
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help='local address of the BBMD',
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)
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# add an argument for interval
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parser.add_argument('bdtentry', type=str, nargs='*',
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help='list of addresses of peers',
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)
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# now parse the arguments
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args = parser.parse_args()
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if _debug: _log.debug("initialization")
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if _debug: _log.debug(" - args: %r", args)
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local_address = Address(args.localaddr)
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if _debug: _log.debug(" - local_address: %r", local_address)
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# create a BBMD, bound to the Annex J server on a UDP multiplexer
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bbmd = BIPBBMD(local_address)
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annexj = AnnexJCodec()
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multiplexer = UDPMultiplexer(local_address)
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# bind the layers together
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bind(bbmd, annexj, multiplexer.annexJ)
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# loop through the rest of the addresses
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for bdtentry in args.bdtentry:
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if _debug: _log.debug(" - bdtentry: %r", bdtentry)
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bdt_address = Address(bdtentry)
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bbmd.add_peer(bdt_address)
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if _debug: _log.debug(" - bbmd: %r", bbmd)
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_log.debug("running")
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run()
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_log.debug("fini")
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if __name__ == "__main__":
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main()
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170
samples/WriteSomething.py
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170
samples/WriteSomething.py
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#!/usr/bin/env python
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"""
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This application is a special example of building a custom data structure
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to be written to a proprietary property of a proprietary object. Unlike the
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other 'write property' sample applications, this one make no attempt to
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translate keywords into object types and property identifiers, it only takes
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integers.
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"""
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import sys
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from bacpypes.debugging import bacpypes_debugging, ModuleLogger, xtob
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from bacpypes.consolelogging import ConfigArgumentParser
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from bacpypes.consolecmd import ConsoleCmd
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from bacpypes.core import run, enable_sleeping
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from bacpypes.pdu import Address
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from bacpypes.app import LocalDeviceObject, BIPSimpleApplication
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from bacpypes.primitivedata import TagList, OpeningTag, ClosingTag, ContextTag
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from bacpypes.constructeddata import Any
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from bacpypes.apdu import WritePropertyRequest, Error, AbortPDU, SimpleAckPDU
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# some debugging
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_debug = 0
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_log = ModuleLogger(globals())
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# globals
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this_application = None
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#
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# WriteSomethingApplication
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#
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@bacpypes_debugging
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class WriteSomethingApplication(BIPSimpleApplication):
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def __init__(self, *args):
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if _debug: WriteSomethingApplication._debug("__init__ %r", args)
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BIPSimpleApplication.__init__(self, *args)
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# keep track of requests to line up responses
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self._request = None
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def request(self, apdu):
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if _debug: WriteSomethingApplication._debug("request %r", apdu)
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# save a copy of the request
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self._request = apdu
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# forward it along
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BIPSimpleApplication.request(self, apdu)
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def confirmation(self, apdu):
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if _debug: WriteSomethingApplication._debug("confirmation %r", apdu)
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if isinstance(apdu, Error):
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sys.stdout.write("error: %s\n" % (apdu.errorCode,))
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sys.stdout.flush()
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elif isinstance(apdu, AbortPDU):
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apdu.debug_contents()
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elif isinstance(apdu, SimpleAckPDU):
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sys.stdout.write("ack\n")
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sys.stdout.flush()
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#
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# WriteSomethingConsoleCmd
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#
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@bacpypes_debugging
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class WriteSomethingConsoleCmd(ConsoleCmd):
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def do_write(self, args):
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"""write <addr> <type> <inst> <prop> [ <indx> ]"""
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args = args.split()
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if _debug: WriteSomethingConsoleCmd._debug("do_write %r", args)
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try:
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addr, obj_type, obj_inst, prop_id = args[:4]
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obj_type = int(obj_type)
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obj_inst = int(obj_inst)
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prop_id = int(prop_id)
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# build a request
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request = WritePropertyRequest(
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objectIdentifier=(obj_type, obj_inst),
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propertyIdentifier=prop_id,
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)
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request.pduDestination = Address(addr)
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if len(args) == 5:
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request.propertyArrayIndex = int(args[4])
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# build a custom datastructure
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tag_list = TagList([
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OpeningTag(1),
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ContextTag(0, xtob('9c40')),
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ContextTag(1, xtob('02')),
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ContextTag(2, xtob('02')),
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ClosingTag(1)
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])
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if _debug: WriteSomethingConsoleCmd._debug(" - tag_list: %r", tag_list)
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# stuff the tag list into an Any
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request.propertyValue = Any()
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request.propertyValue.decode(tag_list)
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if _debug: WriteSomethingConsoleCmd._debug(" - request: %r", request)
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# give it to the application
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this_application.request(request)
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except Exception as error:
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WriteSomethingConsoleCmd._exception("exception: %r", error)
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#
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# __main__
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#
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def main():
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global this_application
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# parse the command line arguments
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args = ConfigArgumentParser(description=__doc__).parse_args()
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if _debug: _log.debug("initialization")
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if _debug: _log.debug(" - args: %r", args)
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# make a device object
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this_device = LocalDeviceObject(
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objectName=args.ini.objectname,
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objectIdentifier=int(args.ini.objectidentifier),
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maxApduLengthAccepted=int(args.ini.maxapdulengthaccepted),
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segmentationSupported=args.ini.segmentationsupported,
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vendorIdentifier=int(args.ini.vendoridentifier),
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)
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# make a simple application
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this_application = WriteSomethingApplication(this_device, args.ini.address)
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if _debug: _log.debug(" - this_application: %r", this_application)
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# get the services supported
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services_supported = this_application.get_services_supported()
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if _debug: _log.debug(" - services_supported: %r", services_supported)
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# let the device object know
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this_device.protocolServicesSupported = services_supported.value
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# make a console
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this_console = WriteSomethingConsoleCmd()
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if _debug: _log.debug(" - this_console: %r", this_console)
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# enable sleeping will help with threads
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enable_sleeping()
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_log.debug("running")
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run()
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_log.debug("fini")
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if __name__ == "__main__":
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main()
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