Skip to content

Commit

Permalink
read the BDT or FDT (issue #446)
Browse files Browse the repository at this point in the history
  • Loading branch information
Joel Bender committed Feb 24, 2022
1 parent 27ab4f1 commit 7cd1a1a
Showing 1 changed file with 103 additions and 0 deletions.
103 changes: 103 additions & 0 deletions samples/ReadBBMD.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,103 @@
#!/usr/bin/env python

"""
This application presents a 'console' prompt to the user asking for read commands
to read the BDT and FDT from a BBMD.
"""

from bacpypes.debugging import bacpypes_debugging, ModuleLogger
from bacpypes.consolecmd import ConsoleCmd
from bacpypes.consolelogging import ArgumentParser

from bacpypes.comm import bind, Client
from bacpypes.core import run, enable_sleeping

from bacpypes.pdu import Address
from bacpypes.bvll import ReadBroadcastDistributionTable, \
ReadBroadcastDistributionTableAck, ReadForeignDeviceTable, \
ReadForeignDeviceTableAck, Result
from bacpypes.bvllservice import AnnexJCodec, UDPMultiplexer

# some debugging
_debug = 0
_log = ModuleLogger(globals())

# globals
this_application = None


@bacpypes_debugging
class ReadBBMDConsoleClient(ConsoleCmd, Client):
def do_readbdt(self, args):
"""readbdt <addr>"""
args = args.split()
if _debug:
ReadBBMDConsoleClient._debug("do_readbdt %r", args)

# build a request and send it downstream
read_bdt = ReadBroadcastDistributionTable(destination=Address(args[0]))
self.request(read_bdt)

def do_readfdt(self, args):
"""readfdt <addr>"""
args = args.split()
if _debug:
ReadBBMDConsoleClient._debug("do_readfdt %r", args)

# build a request and send it downstream
read_fdt = ReadForeignDeviceTable(destination=Address(args[0]))
self.request(read_fdt)

def confirmation(self, pdu):
"""Filter for the acks and errors."""
if _debug:
ReadBBMDConsoleClient._debug("confirmation %r", pdu)

if isinstance(pdu, (ReadBroadcastDistributionTableAck, ReadForeignDeviceTableAck, Result)):
pdu.debug_contents()


def main():
global this_application

# parse the command line arguments
parser = ArgumentParser(description=__doc__)
parser.add_argument(
"local_address",
help="IPv4 address",
)
args = parser.parse_args()

if _debug:
_log.debug("initialization")
_log.debug(" - args: %r", args)

local_address = Address(args.local_address)
if _debug:
_log.debug(" - local_address: %r", local_address)

# make a console
this_console = ReadBBMDConsoleClient()
if _debug:
_log.debug(" - this_console: %r", this_console)

# create an Annex J codec, bound to the Annex J server
# of the UDP multiplexer
annexj = AnnexJCodec()
mux = UDPMultiplexer(local_address)

# bind the layers
bind(this_console, annexj, mux.annexJ)

# enable sleeping will help with threads
enable_sleeping()

_log.debug("running")

run()

_log.debug("fini")


if __name__ == "__main__":
main()

0 comments on commit 7cd1a1a

Please sign in to comment.