mirror of
https://github.com/JoelBender/bacpypes
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442 lines
13 KiB
Python
Executable File
442 lines
13 KiB
Python
Executable File
#!/usr/bin/env python
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"""
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This sample application is a server that supports COV notification services.
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The console accepts commands that change the properties of an object that
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triggers the notifications.
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"""
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import time
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from threading import Thread
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from bacpypes.debugging import bacpypes_debugging, ModuleLogger
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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, deferred, enable_sleeping
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from bacpypes.task import RecurringTask
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from bacpypes.app import BIPSimpleApplication
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from bacpypes.object import AnalogValueObject, BinaryValueObject
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from bacpypes.local.device import LocalDeviceObject
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from bacpypes.service.cov import ChangeOfValueServices
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# some debugging
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_debug = 0
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_log = ModuleLogger(globals())
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# test globals
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test_av = None
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test_bv = None
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test_application = None
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#
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# SubscribeCOVApplication
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#
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@bacpypes_debugging
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class SubscribeCOVApplication(BIPSimpleApplication, ChangeOfValueServices):
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pass
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#
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# COVConsoleCmd
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#
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@bacpypes_debugging
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class COVConsoleCmd(ConsoleCmd):
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def do_status(self, args):
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"""status"""
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args = args.split()
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if _debug: COVConsoleCmd._debug("do_status %r", args)
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global test_application
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# dump from the COV detections dict
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for obj_ref, cov_detection in test_application.cov_detections.items():
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print("{} {}".format(obj_ref.objectIdentifier, obj_ref))
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for cov_subscription in cov_detection.cov_subscriptions:
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print(" {} proc_id={} confirmed={} lifetime={}".format(
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cov_subscription.client_addr,
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cov_subscription.proc_id,
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cov_subscription.confirmed,
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cov_subscription.lifetime,
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))
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def do_trigger(self, args):
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"""trigger object_name"""
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args = args.split()
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if _debug: COVConsoleCmd._debug("do_trigger %r", args)
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global test_application
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if not args:
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print("object name required")
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return
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obj = test_application.get_object_name(args[0])
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if not obj:
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print("no such object")
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return
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# get the detection algorithm object
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cov_detection = test_application.cov_detections.get(obj, None)
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if (not cov_detection) or (len(cov_detection.cov_subscriptions) == 0):
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print("no subscriptions for that object")
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return
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# tell it to send out notifications
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cov_detection.send_cov_notifications()
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def do_set(self, args):
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"""set object_name [ . ] property_name [ = ] value"""
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args = args.split()
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if _debug: COVConsoleCmd._debug("do_set %r", args)
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global test_application
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try:
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object_name = args.pop(0)
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if '.' in object_name:
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object_name, property_name = object_name.split('.')
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else:
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property_name = args.pop(0)
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if _debug: COVConsoleCmd._debug(" - object_name: %r", object_name)
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if _debug: COVConsoleCmd._debug(" - property_name: %r", property_name)
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obj = test_application.get_object_name(object_name)
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if _debug: COVConsoleCmd._debug(" - obj: %r", obj)
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if not obj:
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raise RuntimeError("object not found: %r" % (object_name,))
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datatype = obj.get_datatype(property_name)
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if _debug: COVConsoleCmd._debug(" - datatype: %r", datatype)
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if not datatype:
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raise RuntimeError("not a property: %r" % (property_name,))
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# toss the equals
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if args[0] == '=':
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args.pop(0)
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# evaluate the value
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value = eval(args.pop(0))
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if _debug: COVConsoleCmd._debug(" - raw value: %r", value)
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# see if it can be built
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obj_value = datatype(value)
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if _debug: COVConsoleCmd._debug(" - obj_value: %r", obj_value)
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# normalize
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value = obj_value.value
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if _debug: COVConsoleCmd._debug(" - normalized value: %r", value)
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# change the value
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setattr(obj, property_name, value)
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except IndexError:
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print(COVConsoleCmd.do_set.__doc__)
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except Exception as err:
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print("exception: %s" % (err,))
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def do_write(self, args):
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"""write object_name [ . ] property [ = ] value"""
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args = args.split()
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if _debug: COVConsoleCmd._debug("do_set %r", args)
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global test_application
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try:
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object_name = args.pop(0)
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if '.' in object_name:
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object_name, property_name = object_name.split('.')
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else:
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property_name = args.pop(0)
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if _debug: COVConsoleCmd._debug(" - object_name: %r", object_name)
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if _debug: COVConsoleCmd._debug(" - property_name: %r", property_name)
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obj = test_application.get_object_name(object_name)
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if _debug: COVConsoleCmd._debug(" - obj: %r", obj)
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if not obj:
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raise RuntimeError("object not found: %r" % (object_name,))
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datatype = obj.get_datatype(property_name)
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if _debug: COVConsoleCmd._debug(" - datatype: %r", datatype)
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if not datatype:
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raise RuntimeError("not a property: %r" % (property_name,))
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# toss the equals
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if args[0] == '=':
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args.pop(0)
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# evaluate the value
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value = eval(args.pop(0))
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if _debug: COVConsoleCmd._debug(" - raw value: %r", value)
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# see if it can be built
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obj_value = datatype(value)
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if _debug: COVConsoleCmd._debug(" - obj_value: %r", obj_value)
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# normalize
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value = obj_value.value
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if _debug: COVConsoleCmd._debug(" - normalized value: %r", value)
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# pass it along
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obj.WriteProperty(property_name, value)
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except IndexError:
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print(COVConsoleCmd.do_write.__doc__)
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except Exception as err:
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print("exception: %s" % (err,))
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@bacpypes_debugging
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class TestAnalogValueTask(RecurringTask):
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"""
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An instance of this class is created when '--avtask <interval>' is
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specified as a command line argument. Every <interval> seconds it
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changes the value of the test_av present value.
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"""
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def __init__(self, interval):
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if _debug: TestAnalogValueTask._debug("__init__ %r", interval)
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RecurringTask.__init__(self, interval * 1000)
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# make a list of test values
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self.test_values = list(float(i * 10) for i in range(10))
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def process_task(self):
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if _debug: TestAnalogValueTask._debug("process_task")
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global test_av
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# pop the next value
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next_value = self.test_values.pop(0)
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self.test_values.append(next_value)
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if _debug: TestAnalogValueTask._debug(" - next_value: %r", next_value)
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# change the point
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test_av.presentValue = next_value
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@bacpypes_debugging
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class TestAnalogValueThread(Thread):
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"""
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An instance of this class is created when '--avthread <interval>' is
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specified as a command line argument. Every <interval> seconds it
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changes the value of the test_av present value.
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"""
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def __init__(self, interval):
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if _debug: TestAnalogValueThread._debug("__init__ %r", interval)
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Thread.__init__(self)
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# runs as a daemon
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self.daemon = True
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# save the interval
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self.interval = interval
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# make a list of test values
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self.test_values = list(100.0 + float(i * 10) for i in range(10))
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def run(self):
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if _debug: TestAnalogValueThread._debug("run")
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global test_av
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while True:
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# pop the next value
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next_value = self.test_values.pop(0)
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self.test_values.append(next_value)
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if _debug: TestAnalogValueThread._debug(" - next_value: %r", next_value)
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# change the point
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test_av.presentValue = next_value
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# sleep
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time.sleep(self.interval)
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@bacpypes_debugging
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class TestBinaryValueTask(RecurringTask):
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"""
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An instance of this class is created when '--bvtask <interval>' is
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specified as a command line argument. Every <interval> seconds it
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changes the value of the test_bv present value.
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"""
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def __init__(self, interval):
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if _debug: TestBinaryValueTask._debug("__init__ %r", interval)
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RecurringTask.__init__(self, interval * 1000)
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# save the interval
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self.interval = interval
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# make a list of test values
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self.test_values = [True, False]
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def process_task(self):
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if _debug: TestBinaryValueTask._debug("process_task")
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global test_bv
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# pop the next value
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next_value = self.test_values.pop(0)
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self.test_values.append(next_value)
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if _debug: TestBinaryValueTask._debug(" - next_value: %r", next_value)
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# change the point
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test_bv.presentValue = next_value
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@bacpypes_debugging
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class TestBinaryValueThread(RecurringTask, Thread):
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"""
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An instance of this class is created when '--bvthread <interval>' is
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specified as a command line argument. Every <interval> seconds it
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changes the value of the test_bv present value.
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"""
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def __init__(self, interval):
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if _debug: TestBinaryValueThread._debug("__init__ %r", interval)
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Thread.__init__(self)
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# runs as a daemon
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self.daemon = True
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# save the interval
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self.interval = interval
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# make a list of test values
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self.test_values = [True, False]
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def run(self):
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if _debug: TestBinaryValueThread._debug("run")
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global test_bv
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while True:
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# pop the next value
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next_value = self.test_values.pop(0)
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self.test_values.append(next_value)
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if _debug: TestBinaryValueThread._debug(" - next_value: %r", next_value)
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# change the point
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test_bv.presentValue = next_value
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# sleep
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time.sleep(self.interval)
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def main():
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global test_av, test_bv, test_application
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# make a parser
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parser = ConfigArgumentParser(description=__doc__)
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parser.add_argument("--console",
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action="store_true",
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default=False,
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help="create a console",
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)
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# analog value task and thread
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parser.add_argument("--avtask", type=float,
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help="analog value recurring task",
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)
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parser.add_argument("--avthread", type=float,
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help="analog value thread",
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)
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# analog value task and thread
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parser.add_argument("--bvtask", type=float,
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help="binary value recurring task",
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)
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parser.add_argument("--bvthread", type=float,
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help="binary value thread",
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)
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# provide a different spin value
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parser.add_argument("--spin", type=float,
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help="spin time",
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default=1.0,
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)
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# parse the command line 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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# make a device object
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test_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 sample application
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test_application = SubscribeCOVApplication(test_device, args.ini.address)
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# make an analog value object
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test_av = AnalogValueObject(
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objectIdentifier=('analogValue', 1),
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objectName='av',
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presentValue=0.0,
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statusFlags=[0, 0, 0, 0],
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covIncrement=1.0,
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)
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_log.debug(" - test_av: %r", test_av)
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# add it to the device
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test_application.add_object(test_av)
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_log.debug(" - object list: %r", test_device.objectList)
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# make a binary value object
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test_bv = BinaryValueObject(
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objectIdentifier=('binaryValue', 1),
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objectName='bv',
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presentValue='inactive',
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statusFlags=[0, 0, 0, 0],
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)
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_log.debug(" - test_bv: %r", test_bv)
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# add it to the device
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test_application.add_object(test_bv)
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# make a console
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if args.console:
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test_console = COVConsoleCmd()
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_log.debug(" - test_console: %r", test_console)
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# enable sleeping will help with threads
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enable_sleeping()
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# analog value task
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if args.avtask:
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test_av_task = TestAnalogValueTask(args.avtask)
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test_av_task.install_task()
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# analog value thread
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if args.avthread:
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test_av_thread = TestAnalogValueThread(args.avthread)
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deferred(test_av_thread.start)
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# binary value task
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if args.bvtask:
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test_bv_task = TestBinaryValueTask(args.bvtask)
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test_bv_task.install_task()
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# binary value thread
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if args.bvthread:
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test_bv_thread = TestBinaryValueThread(args.bvthread)
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deferred(test_bv_thread.start)
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_log.debug("running")
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run(args.spin)
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_log.debug("fini")
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if __name__ == "__main__":
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main()
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