def __init__(self,
localDevice,
localAddress,
deviceInfoCache=None,
aseID=None):
if _debug:
DiscoverApplication._debug(
"__init__ %r %r deviceInfoCache=%r aseID=%r", localDevice,
localAddress, deviceInfoCache, aseID)
ApplicationIOController.__init__(self,
localDevice,
localAddress,
deviceInfoCache,
aseID=aseID)
# local address might be useful for subclasses
if isinstance(localAddress, Address):
self.localAddress = localAddress
else:
self.localAddress = Address(localAddress)
# include a application decoder
self.asap = ApplicationServiceAccessPoint()
# pass the device object to the state machine access point so it
# can know if it should support segmentation
self.smap = StateMachineAccessPoint(localDevice)
# the segmentation state machines need access to the same device
# information cache as the application
self.smap.deviceInfoCache = self.deviceInfoCache
# a network service access point will be needed
self.nsap = NetworkServiceAccessPoint()
# give the NSAP a generic network layer service element
self.nse = DiscoverNetworkServiceElement()
bind(self.nse, self.nsap)
# bind the top layers
bind(self, self.asap, self.smap, self.nsap)
# create a generic BIP stack, bound to the Annex J server
# on the UDP multiplexer
self.bip = BIPSimple()
self.annexj = AnnexJCodec()
self.mux = UDPMultiplexer(self.localAddress)
# bind the bottom layers
bind(self.bip, self.annexj, self.mux.annexJ)
# bind the BIP stack to the network, no network number
self.nsap.bind(self.bip, address=self.localAddress)
# keep track of requests to line up responses
self._request = None
def __init__(self, localNetwork, localAddress):
if _debug: TestRouter._debug("__init__ %r", localAddress)
# a network service access point will be needed
self.nsap = NetworkServiceAccessPoint()
# give the NSAP a generic network layer service element
self.nse = NetworkServiceElement()
bind(self.nse, self.nsap)
# create a generic BIP stack, bound to the Annex J server
# on the UDP multiplexer
self.bip = BIPSimple()
self.annexj = AnnexJCodec()
self.mux = UDPMultiplexer(localAddress)
# bind the bottom layers
bind(self.bip, self.annexj, self.mux.annexJ)
# bind the BIP stack to localNetwork
self.nsap.bind(self.bip, localNetwork, localAddress)
# create a multiplexer for the service
self.mux = TCPClientMultiplexer()
# create the service, use 90 as the "hidden" network
self.r2rService = RouterToRouterService(self.mux, self.nsap, 90)
def __init__(self, local_address, local_network, vlan_address, vlan_network):
if _debug: VLANRouter._debug("__init__ %r %r %r %r", local_address, local_network, vlan_address, vlan_network)
# a network service access point will be needed
self.nsap = NetworkServiceAccessPoint()
# give the NSAP a generic network layer service element
self.nse = NetworkServiceElement()
bind(self.nse, self.nsap)
# create a generic BIP stack, bound to the Annex J server
# on the UDP multiplexer
self.bip = BIPSimple()
self.annexj = AnnexJCodec()
self.mux = UDPMultiplexer(local_address)
# bind the bottom layers
bind(self.bip, self.annexj, self.mux.annexJ)
# bind the BIP stack to the local network
self.nsap.bind(self.bip, local_network, local_address)
# create a vlan node
self.vlan_node = Node(vlan_address)
# bind the stack to the vlan network
self.nsap.bind(self.vlan_node, vlan_network)
def __init__(self, local_address, local_network):
if _debug:
VLANRouter._debug("__init__ %r %r", local_address, local_network)
# a network service access point will be needed
self.nsap = NetworkServiceAccessPoint()
# give the NSAP a generic network layer service element
self.nse = NetworkServiceElement()
bind(self.nse, self.nsap)
# create a BBMD, bound to the Annex J server
# on the UDP multiplexer
# self.bip = BIPBBMD(local_address)
# self.annexj = AnnexJCodec()
# self.mux = UDPMultiplexer(local_address)
#ADDED
#from WhoIsIAmForeign ForeignApplication
# create a generic BIP stack, bound to the Annex J server
# on the UDP multiplexer
self.bip = BIPForeign(Address('BBMD_ADDR'), 30)
self.annexj = AnnexJCodec()
self.mux = UDPMultiplexer(local_address, noBroadcast=True)
#end
# self.bip.add_peer(Address(BBMD_ADDR))
#ADDED
# bind the bottom layers
bind(self.bip, self.annexj, self.mux.annexJ)
# bind the BIP stack to the local network
self.nsap.bind(self.bip, local_network, local_address)
def __init__(self, addr1, port1, net1, addr2, port2, net2):
if _debug:
NATRouter._debug("__init__ %r %r %r %r %r %r", addr1, port1, net1,
addr2, port2, net2)
# a network service access point will be needed
self.nsap = NetworkServiceAccessPoint()
# give the NSAP a generic network layer service element
self.nse = NetworkServiceElement()
bind(self.nse, self.nsap)
#== First stack
# local address
local_addr = Address("{}:{}".format(addr1, port1))
# create a BBMD stack
self.s1_bip = BIPBBMD(local_addr)
self.s1_annexj = AnnexJCodec()
self.s1_mux = UDPMultiplexer(local_addr)
# bind the bottom layers
bind(self.s1_bip, self.s1_annexj, self.s1_mux.annexJ)
# bind the BIP stack to the local network
self.nsap.bind(self.s1_bip, net1, local_addr)
#== Second stack
# global address
global_addr = Address(addr2)
nat_addr = Address("{}:{}".format(addr1, port2))
# create a NAT stack
self.s2_bip = BIPNAT(global_addr)
self.s2_annexj = AnnexJCodec()
self.s2_mux = UDPMultiplexer(nat_addr)
# bind the bottom layers
bind(self.s2_bip, self.s2_annexj, self.s2_mux.annexJ)
# bind the BIP stack to the global network
self.nsap.bind(self.s2_bip, net2, global_addr)
def main():
# parse the command line arguments
parser = ArgumentParser(description=__doc__)
# add an argument for interval
parser.add_argument(
'localaddr',
type=str,
help='local address of the BBMD',
)
# add an argument for interval
parser.add_argument(
'bdtentry',
type=str,
nargs='*',
help='list of addresses of peers',
)
# now parse the arguments
args = parser.parse_args()
if _debug: _log.debug("initialization")
if _debug: _log.debug(" - args: %r", args)
local_address = Address(args.localaddr)
if _debug: _log.debug(" - local_address: %r", local_address)
# create a null client that will accept, but do nothing with upstream
# packets from the BBMD
null_client = NullClient()
if _debug: _log.debug(" - null_client: %r", null_client)
# create a BBMD, bound to the Annex J server on a UDP multiplexer
bbmd = BIPBBMD(local_address)
annexj = AnnexJCodec()
multiplexer = UDPMultiplexer(local_address)
# bind the layers together
bind(null_client, bbmd, annexj, multiplexer.annexJ)
# loop through the rest of the addresses
for bdtentry in args.bdtentry:
if _debug: _log.debug(" - bdtentry: %r", bdtentry)
bdt_address = Address(bdtentry)
bbmd.add_peer(bdt_address)
if _debug: _log.debug(" - bbmd: %r", bbmd)
_log.debug("running")
run()
_log.debug("fini")
def __init__(self, addr1, net1, addr2, net2):
if _debug:
IP2IPRouter._debug("__init__ %r %r %r %r", addr1, net1, addr2,
net2)
# a network service access point will be needed
self.nsap = NetworkServiceAccessPoint()
# give the NSAP a generic network layer service element
self.nse = NetworkServiceElement()
bind(self.nse, self.nsap)
#== First stack
# create a generic BIP stack, bound to the Annex J server
# on the UDP multiplexer
self.s1_bip = BIPSimple()
self.s1_annexj = AnnexJCodec()
self.s1_mux = UDPMultiplexer(addr1)
# bind the bottom layers
bind(self.s1_bip, self.s1_annexj, self.s1_mux.annexJ)
# bind the BIP stack to the local network
self.nsap.bind(self.s1_bip, net1, addr1)
#== Second stack
# create a generic BIP stack, bound to the Annex J server
# on the UDP multiplexer
self.s2_bip = BIPSimple()
self.s2_annexj = AnnexJCodec()
self.s2_mux = UDPMultiplexer(addr2)
# bind the bottom layers
bind(self.s2_bip, self.s2_annexj, self.s2_mux.annexJ)
# bind the BIP stack to the local network
self.nsap.bind(self.s2_bip, net2, addr2)
def __init__(self, addr):
if _debug: TestBBMD._debug("TestBBMD %r", addr)
BIPBBMD.__init__(self, addr)
# save the address
self.address = addr
# make the lower layers
self.annexj = AnnexJCodec()
self.mux = UDPMultiplexer(self.address)
# bind the bottom layers
bind(self, self.annexj, self.mux.annexJ)
# give this a generic network layer service access point and element
self.nsap = NetworkServiceAccessPoint()
self.nse = NetworkServiceElement()
self.nsap.bind(self)
bind(self.nse, self.nsap)
def __init__(self, lan, addr1, net1, addr2, net2):
if _debug:
MQTT2IPRouter._debug("__init__ %r %r %r %r %r", lan, addr1, net1,
addr2, net2)
global args
# a network service access point will be needed
self.nsap = NetworkServiceAccessPoint()
# give the NSAP a generic network layer service element
self.nse = NetworkServiceElement()
bind(self.nse, self.nsap)
#== First stack
# create an MQTT client
self.s1_msap = bacpypes_mqtt.MQTTClient(lan,
addr1,
args.host,
port=args.port,
keepalive=args.keepalive)
# create a service element for the client
self.s1_mse = bacpypes_mqtt.MQTTServiceElement()
bind(self.s1_mse, self.s1_msap)
# bind to the MQTT network
self.nsap.bind(self.s1_msap, net1)
#== Second stack
# create a generic BIP stack, bound to the Annex J server
# on the UDP multiplexer
self.s2_bip = BIPSimple()
self.s2_annexj = AnnexJCodec()
self.s2_mux = UDPMultiplexer(addr2)
# bind the bottom layers
bind(self.s2_bip, self.s2_annexj, self.s2_mux.annexJ)
# bind the BIP stack to the local network
self.nsap.bind(self.s2_bip, net2)
def __init__(self, localDevice, localAddress, aseID=None):
if _debug:
TestProxyApplication._debug("__init__ %r %r aseID=%r", localDevice,
localAddress, aseID)
Application.__init__(self, localDevice, localAddress, aseID)
# include a application decoder
self.asap = ApplicationServiceAccessPoint()
# pass the device object to the state machine access point so it
# can know if it should support segmentation
self.smap = StateMachineAccessPoint(localDevice)
# a network service access point will be needed
self.nsap = NetworkServiceAccessPoint()
# give the NSAP a generic network layer service element
self.nse = NetworkServiceElement()
bind(self.nse, self.nsap)
# bind the top layers
bind(self, self.asap, self.smap, self.nsap)
# create a generic BIP stack, bound to the Annex J server
# on the UDP multiplexer
self.bip = BIPSimple()
self.annexj = AnnexJCodec()
self.mux = UDPMultiplexer(self.localAddress)
# bind the bottom layers
bind(self.bip, self.annexj, self.mux.annexJ)
# bind the BIP stack to network 5, the 'local' network
self.nsap.bind(self.bip, 5, self.localAddress)
# create a multiplexer for the service
self.mux = TCPServerMultiplexer(self.localAddress)
# proxy connections are bound to the nsap
self.proxyServer = TestProxyServer(self.mux, self.nsap)
def __init__(self, local_address, local_network, foreign_address, bbmd_ttl=30, rebootQueue=None):
if _debug: VLANRouter._debug("__init__ %r %r", local_address, local_network)
if isinstance(local_address, Address):
self.local_address = local_address
else:
self.local_address = Address(local_address)
if isinstance(foreign_address, Address):
self.foreign_address = foreign_address
else:
self.foreign_address = Address(foreign_address)
# a network service access point will be needed
self.nsap = NetworkServiceAccessPoint()
# give the NSAP a generic network layer service element
self.nse = NetworkServiceElement()
bind(self.nse, self.nsap)
# create a BBMD, bound to the Annex J server
# on the UDP multiplexer
# from WhoIsIAmForeign ForeignApplication
# create a generic BIP stack, bound to the Annex J server
# on the UDP multiplexer
self.bip = BIPForeign(self.foreign_address, bbmd_ttl)
# self.bip = BIPForeign(Address('10.166.1.72'), 30)
# self.bip = BIPForeign(Address('192.168.1.10'), 30)
# self.bip = BIPForeign(Address('130.91.139.99'), 30)
self.annexj = AnnexJCodec()
# noBroadcast=True stops bcast to local ntwrk
self.mux = UDPMultiplexer(self.local_address, noBroadcast=True, rebootQueue=rebootQueue)
# bind the bottom layers
bind(self.bip, self.annexj, self.mux.annexJ)
# bind the BIP stack to the local network
self.nsap.bind(self.bip, local_network, self.local_address)
def __init__(self, local_address: Address, local_network: int):
if _debug:
# pylint: disable=no-member
# type: ignore
_VLANRouter._debug("__init__ %r %r", local_address, local_network)
# a network service access point will be needed
self.nsap = NetworkServiceAccessPoint()
# give the NSAP a generic network layer service element
self.nse = NetworkServiceElement()
bind(self.nse, self.nsap)
# create a BIPSimple, bound to the Annex J server
# on the UDP multiplexer
self.bip = BIPSimple(local_address)
self.annexj = AnnexJCodec()
self.mux = UDPMultiplexer(local_address)
# bind the bottom layers
bind(self.bip, self.annexj, self.mux.annexJ)
# bind the BIP stack to the local network
self.nsap.bind(self.bip, local_network, local_address)
class DiscoverApplication(ApplicationIOController, WhoIsIAmServices,
ReadWritePropertyServices):
def __init__(self,
localDevice,
localAddress,
deviceInfoCache=None,
aseID=None):
if _debug:
DiscoverApplication._debug(
"__init__ %r %r deviceInfoCache=%r aseID=%r", localDevice,
localAddress, deviceInfoCache, aseID)
ApplicationIOController.__init__(self,
localDevice,
localAddress,
deviceInfoCache,
aseID=aseID)
# local address might be useful for subclasses
if isinstance(localAddress, Address):
self.localAddress = localAddress
else:
self.localAddress = Address(localAddress)
# include a application decoder
self.asap = ApplicationServiceAccessPoint()
# pass the device object to the state machine access point so it
# can know if it should support segmentation
self.smap = StateMachineAccessPoint(localDevice)
# the segmentation state machines need access to the same device
# information cache as the application
self.smap.deviceInfoCache = self.deviceInfoCache
# a network service access point will be needed
self.nsap = NetworkServiceAccessPoint()
# give the NSAP a generic network layer service element
self.nse = DiscoverNetworkServiceElement()
bind(self.nse, self.nsap)
# bind the top layers
bind(self, self.asap, self.smap, self.nsap)
# create a generic BIP stack, bound to the Annex J server
# on the UDP multiplexer
self.bip = BIPSimple()
self.annexj = AnnexJCodec()
self.mux = UDPMultiplexer(self.localAddress)
# bind the bottom layers
bind(self.bip, self.annexj, self.mux.annexJ)
# bind the BIP stack to the network, no network number
self.nsap.bind(self.bip, address=self.localAddress)
# keep track of requests to line up responses
self._request = None
def close_socket(self):
if _debug: DiscoverApplication._debug("close_socket")
# pass to the multiplexer, then down to the sockets
self.mux.close_socket()
def request(self, apdu):
if _debug: DiscoverApplication._debug("request %r", apdu)
# save a copy of the request
self._request = apdu
# forward it along
super(DiscoverApplication, self).request(apdu)
def indication(self, apdu):
if _debug: DiscoverApplication._debug("indication %r", apdu)
# forward it along
super(DiscoverApplication, self).indication(apdu)
def response(self, apdu):
if _debug: DiscoverApplication._debug("response %r", apdu)
# forward it along
super(DiscoverApplication, self).response(apdu)
def confirmation(self, apdu):
if _debug: DiscoverApplication._debug("confirmation %r", apdu)
# forward it along
super(DiscoverApplication, self).confirmation(apdu)
def do_IAmRequest(self, apdu):
if _debug: DiscoverApplication._debug("do_IAmRequest %r", apdu)
if not isinstance(self._request, WhoIsRequest):
if _debug: DiscoverApplication._debug(" - no pending who-is")
return
device_instance = apdu.iAmDeviceIdentifier[1]
if (self._request.deviceInstanceRangeLowLimit is not None) and \
(device_instance < self._request.deviceInstanceRangeLowLimit):
return
if (self._request.deviceInstanceRangeHighLimit is not None) and \
(device_instance > self._request.deviceInstanceRangeHighLimit):
return
# print out something
if interactive:
print("{} @ {}".format(device_instance, apdu.pduSource))
# update the snapshot database
snapshot.upsert(
apdu.iAmDeviceIdentifier[1],
'-',
'address',
str(apdu.pduSource),
)
snapshot.upsert(
apdu.iAmDeviceIdentifier[1],
'-',
'maxAPDULengthAccepted',
str(apdu.maxAPDULengthAccepted),
)
snapshot.upsert(
apdu.iAmDeviceIdentifier[1],
'-',
'segmentationSupported',
apdu.segmentationSupported,
)
class BAC0BBMDDeviceApplication(
common_mixin,
ApplicationIOController,
WhoIsIAmServices,
WhoHasIHaveServices,
ReadWritePropertyServices,
ReadWritePropertyMultipleServices,
ChangeOfValueServices,
):
"""
Defines a basic BACnet/IP application to process BACnet requests.
:param *args: local object device, local IP address
See BAC0.scripts.BasicScript for more details.
"""
bdt = []
def __init__(
self,
localDevice,
localAddress,
bdtable=[],
deviceInfoCache=None,
aseID=None,
iam_req=None,
subscription_contexts=None,
):
self.bdtable = bdtable
null_client = NullClient()
ApplicationIOController.__init__(
self, localDevice, deviceInfoCache, aseID=aseID
)
self.iam_req = iam_req
# local address might be useful for subclasses
if isinstance(localAddress, Address):
self.localAddress = localAddress
else:
self.localAddress = Address(localAddress)
# include a application decoder
self.asap = ApplicationServiceAccessPoint()
# pass the device object to the state machine access point so it
# can know if it should support segmentation
self.smap = StateMachineAccessPoint(localDevice)
# the segmentation state machines need access to the same device
# information cache as the application
self.smap.deviceInfoCache = self.deviceInfoCache
# a network service access point will be needed
self.nsap = NetworkServiceAccessPoint()
# give the NSAP a generic network layer service element
self.nse = NetworkServiceElementWithRequests()
bind(self.nse, self.nsap)
# bind the top layers
bind(self, self.asap, self.smap, self.nsap)
# create a generic BIP stack, bound to the Annex J server
# on the UDP multiplexer
self.bip = BIPBBMD(self.localAddress)
self.annexj = AnnexJCodec()
self.mux = UDPMultiplexer(self.localAddress, noBroadcast=True)
# bind the bottom layers
# bind(self.bip, self.annexj, self.mux.annexJ)
bind(null_client, self.bip, self.annexj, self.mux.annexJ)
if self.bdtable:
for bdtentry in self.bdtable:
self.add_peer(bdtentry)
# bind the NSAP to the stack, no network number
self.nsap.bind(self.bip)
self.i_am_counter = defaultdict(int)
self.i_have_counter = defaultdict(int)
self.who_is_counter = defaultdict(int)
# keep track of requests to line up responses
self._request = None
self._last_i_am_received = []
self._last_i_have_received = []
# to support CoV
self.subscription_contexts = subscription_contexts
def add_peer(self, address):
try:
bdt_address = Address(address)
self.bip.add_peer(bdt_address)
except Exception:
raise
def remove_peer(self, address):
try:
bdt_address = Address(address)
self.bip.remove_peer(bdt_address)
except Exception:
raise
def close_socket(self):
# pass to the multiplexer, then down to the sockets
self.mux.close_socket()
indx = sys.argv.index('--port')
addr += ':' + sys.argv[indx + 1]
del sys.argv[indx:indx + 2]
_log.debug(" - addr: %r", addr)
# a network service access point will be needed
nsap = NetworkServiceAccessPoint()
# give the NSAP a generic network layer service element
nse = NetworkServiceElement()
bind(nse, nsap)
# create a generic BIP stack, bound to the Annex J server on the UDP multiplexer
bip = BIPSimple()
annexj = AnnexJCodec()
udpmux = UDPMultiplexer(Address(addr))
# we need a way to make outgoing TCP connections and manage the proxy client service state
tcpmux = TCPClientMultiplexer()
# get the address of the server
server_address = Address(sys.argv[1])
_log.debug(" - server_address: %r", server_address)
# create a ProxyClientService
proxy_client = ProxyClientService(tcpmux, server_address, testUser)
# bind everything together
bind(proxy_client, bip, annexj, udpmux.annexJ)
_log.debug("running")
def __init__(self,
localDevice,
localAddress,
deviceInfoCache=None,
aseID=None):
if _debug:
ReadPointListApplication._debug(
"__init__ %r %r deviceInfoCache=%r aseID=%r", localDevice,
localAddress, deviceInfoCache, aseID)
global args
Application.__init__(self, localDevice, deviceInfoCache, aseID=aseID)
RecurringTask.__init__(self, args.interval * 1000)
# local address might be useful for subclasses
if isinstance(localAddress, Address):
self.localAddress = localAddress
else:
self.localAddress = Address(localAddress)
# include a application decoder
self.asap = ApplicationServiceAccessPoint()
# pass the device object to the state machine access point so it
# can know if it should support segmentation
self.smap = StateMachineAccessPoint(localDevice)
# the segmentation state machines need access to the same device
# information cache as the application
self.smap.deviceInfoCache = self.deviceInfoCache
# a network service access point will be needed
self.nsap = NetworkServiceAccessPoint()
# give the NSAP a generic network layer service element
self.nse = NetworkServiceElement()
bind(self.nse, self.nsap)
# bind the top layers
bind(self, self.asap, self.smap, self.nsap)
# create a generic BIP stack, bound to the Annex J server
# on the UDP multiplexer
self.bip = BIPSimple()
self.annexj = AnnexJCodec()
self.mux = UDPMultiplexer(self.localAddress)
# bind the bottom layers
bind(self.bip, self.annexj, self.mux.annexJ)
# bind the BIP stack to the network, no network number
self.nsap.bind(self.bip)
# install the task
self.install_task()
# timer
self.start_time = None
# pending requests
self.pending_requests = {}
class BAC0Application(
ApplicationIOController,
WhoIsIAmServices,
ReadWritePropertyServices,
ReadWritePropertyMultipleServices,
):
"""
Defines a basic BACnet/IP application to process BACnet requests.
:param *args: local object device, local IP address
See BAC0.scripts.BasicScript for more details.
"""
def __init__(
self,
localDevice,
localAddress,
bbmdAddress=None,
bbmdTTL=0,
deviceInfoCache=None,
aseID=None,
iam_req=None,
):
ApplicationIOController.__init__(self,
localDevice,
deviceInfoCache,
aseID=aseID)
self.iam_req = iam_req
# local address might be useful for subclasses
if isinstance(localAddress, Address):
self.localAddress = localAddress
else:
self.localAddress = Address(localAddress)
# include a application decoder
self.asap = ApplicationServiceAccessPoint()
# pass the device object to the state machine access point so it
# can know if it should support segmentation
self.smap = StateMachineAccessPoint(localDevice)
# the segmentation state machines need access to the same device
# information cache as the application
self.smap.deviceInfoCache = self.deviceInfoCache
# a network service access point will be needed
self.nsap = NetworkServiceAccessPoint()
# give the NSAP a generic network layer service element
self.nse = NetworkServiceElementWithRequests()
bind(self.nse, self.nsap)
# bind the top layers
bind(self, self.asap, self.smap, self.nsap)
# create a generic BIP stack, bound to the Annex J server
# on the UDP multiplexer
self.bip = BIPSimple()
self.annexj = AnnexJCodec()
self.mux = UDPMultiplexer(self.localAddress)
# bind the bottom layers
bind(self.bip, self.annexj, self.mux.annexJ)
# bind the BIP stack to the network, no network number
self.nsap.bind(self.bip, address=self.localAddress)
self.i_am_counter = defaultdict(int)
self.who_is_counter = defaultdict(int)
# keep track of requests to line up responses
self._request = None
self._last_i_am_received = []
def do_IAmRequest(self, apdu):
"""Given an I-Am request, cache it."""
self._log.debug("do_IAmRequest {!r}".format(apdu))
# build a key from the source, just use the instance number
key = (str(apdu.pduSource), apdu.iAmDeviceIdentifier[1])
self.i_am_counter[key] += 1
self._last_i_am_received.append(key)
def do_WhoIsRequest(self, apdu):
"""Respond to a Who-Is request."""
# build a key from the source and parameters
key = (
str(apdu.pduSource),
apdu.deviceInstanceRangeLowLimit,
apdu.deviceInstanceRangeHighLimit,
)
self._log.debug("do_WhoIsRequest from {} | {} to {}".format(
key[0], key[1], key[2]))
# count the times this has been received
self.who_is_counter[key] += 1
low_limit = key[1]
high_limit = key[2]
# count the times this has been received
self.who_is_counter[key] += 1
if low_limit is not None:
if self.localDevice.objectIdentifier[1] < low_limit:
return
if high_limit is not None:
if self.localDevice.objectIdentifier[1] > high_limit:
return
# generate an I-Am
self._log.debug("Responding to Who is by a Iam")
self.iam_req.pduDestination = apdu.pduSource
iocb = IOCB(self.iam_req) # make an IOCB
deferred(self.request_io, iocb)
def close_socket(self):
# pass to the multiplexer, then down to the sockets
self.mux.close_socket()
def request(self, apdu):
# save a copy of the request
self._request = apdu
# forward it along
super(BAC0Application, self).request(apdu)
def __init__(
self,
localDevice,
localAddress,
bbmdAddress=None,
bbmdTTL=0,
deviceInfoCache=None,
aseID=None,
iam_req=None,
):
ApplicationIOController.__init__(self,
localDevice,
deviceInfoCache,
aseID=aseID)
self.iam_req = iam_req
# local address might be useful for subclasses
if isinstance(localAddress, Address):
self.localAddress = localAddress
else:
self.localAddress = Address(localAddress)
# include a application decoder
self.asap = ApplicationServiceAccessPoint()
# pass the device object to the state machine access point so it
# can know if it should support segmentation
self.smap = StateMachineAccessPoint(localDevice)
# the segmentation state machines need access to the same device
# information cache as the application
self.smap.deviceInfoCache = self.deviceInfoCache
# a network service access point will be needed
self.nsap = NetworkServiceAccessPoint()
# give the NSAP a generic network layer service element
self.nse = NetworkServiceElementWithRequests()
bind(self.nse, self.nsap)
# bind the top layers
bind(self, self.asap, self.smap, self.nsap)
# create a generic BIP stack, bound to the Annex J server
# on the UDP multiplexer
self.bip = BIPForeign(bbmdAddress, bbmdTTL)
self.annexj = AnnexJCodec()
self.mux = UDPMultiplexer(self.localAddress, noBroadcast=True)
# bind the bottom layers
bind(self.bip, self.annexj, self.mux.annexJ)
# bind the NSAP to the stack, no network number
self.nsap.bind(self.bip)
self.i_am_counter = defaultdict(int)
self.who_is_counter = defaultdict(int)
# keep track of requests to line up responses
self._request = None
self._last_i_am_received = []
