def test_Unplugging(self):
"""Plug will unplug and shutdown when child component dies."""
Axon.Scheduler.scheduler.run = Axon.Scheduler.scheduler()
splitter = Splitter()
splitter.activate()
target = DummyComponent()
plug = Plug(splitter, target).activate()
execute = Axon.Scheduler.scheduler.run.main()
for i in xrange(1, 100):
execute.next()
#send shutdown msg
msg = producerFinished()
target._deliver(msg, "control")
for i in xrange(1, 100):
execute.next()
# verify it reached the target
self.assert_(target.controllog == [msg])
# verify the plug has shutdown
self.assert_(plug._isStopped())
# verify the plug has no linkages
self.assert_(not plug.postoffice.linkages)
# verify that splitter only has outboxes "outbox" and "signal" now
self.assert_(len(splitter.outboxes) == 2)
self.assert_("outbox" in splitter.outboxes)
self.assert_("signal" in splitter.outboxes)
def test_Unplugging(self):
"""Plug will unplug and shutdown when child component dies."""
Axon.Scheduler.scheduler.run = Axon.Scheduler.scheduler()
splitter = Splitter()
splitter.activate()
target = DummyComponent()
plug = Plug(splitter, target).activate()
execute = Axon.Scheduler.scheduler.run.main()
for i in xrange(1,100):
execute.next()
#send shutdown msg
msg = producerFinished()
target._deliver(msg, "control")
for i in xrange(1,100):
execute.next()
# verify it reached the target
self.assert_(target.controllog == [msg])
# verify the plug has shutdown
self.assert_(plug._isStopped())
# verify the plug has no linkages
self.assert_(not plug.postoffice.linkages)
# verify that splitter only has outboxes "outbox" and "signal" now
self.assert_( len(splitter.outboxes) == 2)
self.assert_( "outbox" in splitter.outboxes)
self.assert_( "signal" in splitter.outboxes)
def subscribeToPlugsplitter(self, plugsplitter):
forwarder = Forwarder()
plug = Plug(plugsplitter, forwarder)
plug.activate()
outsideForwarder = Forwarder()
plug.link((plug, 'outbox'), (outsideForwarder, 'secondary-inbox'))
plug.link((plug, 'signal'), (outsideForwarder, 'secondary-control'))
return outsideForwarder
def test_PluggingInAndTxfer(self):
"""Plug instantiated with splitter and component and passes data through to component."""
Axon.Scheduler.scheduler.run = Axon.Scheduler.scheduler()
splitter = Splitter()
splitter.activate()
target = DummyComponent()
plug = Plug(splitter, target).activate()
execute = Axon.Scheduler.scheduler.run.main()
for i in xrange(1, 1000):
execute.next()
#pass some data in
for i in xrange(1, 10):
splitter._deliver(i, "inbox")
splitter._deliver(10 + i, "control")
for i in xrange(1, 100):
execute.next()
# verify it reached the target
self.assert_(target.inboxlog == range(1, 10))
self.assert_(target.controllog == range(11, 20))
def main(self):
cat = CAT.getcat()
splitter, configbox = cat.retrieveService("Backplane_O_" + self.source)
Plug(splitter, self).activate()
while 1:
while self.dataReady("inbox"):
d = self.recv("inbox")
self.send(d, "outbox")
yield 1
def subscribeToPlugsplitter(self, plugsplitter):
forwarder = Forwarder()
plug = Plug(plugsplitter, forwarder)
plug.activate()
outsideForwarder = Forwarder()
plug.link((plug, 'outbox'), (outsideForwarder, 'secondary-inbox'))
plug.link((plug, 'signal'), (outsideForwarder, 'secondary-control'))
return outsideForwarder
def Tee(*destinations):
splitter = PlugSplitter()
plugs = {}
i = 1
for dest in destinations:
plugs[str(i)] = Plug(splitter, dest)
i = i + 1
return Graphline(splitter=splitter,
linkages={
("", "inbox"): ("splitter", "inbox"),
("", "control"): ("splitter", "control"),
("splitter", "outbox"): ("", "outbox"),
("splitter", "signal"): ("", "signal")
},
**plugs)
def main(self):
"""Main loop."""
cat = CAT.getcat()
splitter, configbox = cat.retrieveService("Backplane_O_" + self.source)
p = PassThrough()
plug = Plug(splitter, p)
self.link((self, "control"), (plug, "control"), passthrough=1)
self.link((plug, "outbox"), (self, "outbox"), passthrough=2)
self.link((plug, "signal"), (self, "signal"), passthrough=2)
self.addChildren(plug)
yield newComponent(plug)
# wait until all child component has terminated
# FIXME: If we had a way of simply getting this to "exec" a new component in our place,
# FIXME: then this while loop here would be irrelevent, which would be cool.
# FIXME: especially if we could exec in such a way that passthrough linkages
# FIXME: still operated as you'd expect.
while not self.childrenDone():
self.pause()
yield 1
def linkChildToInternalSplitter(self, child):
forwarder = Forwarder()
plug = Plug(self.internalSplitter, forwarder)
plug.activate()
plug.link((plug, 'signal'), (child, 'control'))
child.link((child, 'signal'), (plug, 'control'))
def linkChildToInternalSplitter(self, child):
forwarder = Forwarder()
plug = Plug(self.internalSplitter, forwarder)
plug.activate()
plug.link((plug, 'signal'), (child, 'control'))
child.link((child, 'signal'), (plug, 'control'))
if __name__ == "__main__":
from Axon.Scheduler import scheduler
from Kamaelia.Util.PipelineComponent import pipeline
from Kamaelia.Visualisation.PhysicsGraph.TopologyViewerComponent import TopologyViewerComponent
from Kamaelia.Util.Splitter import PlugSplitter as Splitter
from Kamaelia.Util.Splitter import Plug
# from Filters import FilterSelectMsgs, FilterTopologyMsgs
from PipeBuild import PipeBuild
from PipelineWriter import PipelineWriter
from BuildViewer import BuildViewer
from GUI import BuilderControlsGUI, TextOutputGUI
items = list(getAllClasses(COMPONENTS))
pipegen = Splitter(pipeline(BuilderControlsGUI(items), PipeBuild()))
viewer = Splitter(BuildViewer())
Plug(viewer, pipegen).activate() # feedback loop for 'selected' msgs
Plug(pipegen, viewer).activate()
Plug(pipegen, pipeline(PipelineWriter(),
TextOutputGUI("Pipeline code"))).activate()
scheduler.run.runThreads()
Pipeline(
RateControlledFileReader(TS_FILE, readmode="bytes", rate=1000*1000, chunksize=188),
DVB_SoftDemuxer( {0x12:["outbox"]} ),
ReassemblePSITables(),
ParseEventInformationTable_Subset( \
actual_presentFollowing = True,
other_presentFollowing = True,
actual_schedule = True,
other_schedule = True,
),
splitter
).activate()
Plug(splitter, Pipeline(
PrettifyEventInformationTable(),
SimpleFileWriter("original_eit_parsed.text"),
)).activate()
Plug(splitter, Pipeline(
CreateEventInformationTable(),
ParseEventInformationTable_Subset( \
actual_presentFollowing = True,
other_presentFollowing = True,
actual_schedule = True,
other_schedule = True,
),
PrettifyEventInformationTable(),
SimpleFileWriter("regenerated_eit_parsed.text"),
)).run()
bitrateExtractor = BitRateExtractor()
decoder = AudioDecoder(extn)
output = SoundOutput()
wiringoption = 2
if wiringoption == 1: #--------------------------------------------------------
audiosplitter = Splitter()
decodedAudioSource = pipeline(rateController, fileReader, decoder,
audiosplitter)
# here we break the encapsulation provided by pipeline
# - by directly referencing 'audiosplitter'
bitrateSource = Plug(audiosplitter, bitrateExtractor)
mainpipe = pipeline(bitrateSource, decodedAudioSource, output).activate()
elif wiringoption == 2: #------------------------------------------------------
decodedAudioSource = Splitter(pipeline(rateController, fileReader,
decoder))
bitrateSource = Plug(decodedAudioSource, bitrateExtractor)
mainpipe = pipeline(bitrateSource, decodedAudioSource, output).activate()
elif wiringoption == 3: #------------------------------------------------------
decodedAudioSource = Splitter(pipeline(rateController, fileReader,
decoder))
if 0:
producer = Producer()
mysplitter = PlugSplitter()
pipe = Pipeline(producer, mysplitter)
Plug(mysplitter, Consumer("consumerA") ).activate()
Plug(mysplitter, Consumer("consumerB") ).activate()
pipe.run()
if 1:
mysplitter = PlugSplitter()
pipe = Pipeline( Producer(), mysplitter )
forwarder1 = Forwarder("forwarder")
plug1 = Plug(mysplitter,forwarder1)
plug1.activate()
forwarder1b = Forwarder("forwarder1b")
plug1.link((plug1,'outbox'),(forwarder1b,'secondary-inbox'))
plug1.link((plug1,'signal'),(forwarder1b,'secondary-control'))
consumer1 = Consumer("consumer1")
Pipeline(
forwarder1b,
consumer1
).activate()
forwarder2 = Forwarder("forwarder2")
plug2 = Plug(mysplitter, forwarder2)
plug2.activate()
data = self.recv("secondary-control")
print "From control in secondary-control: %s: %s" % (self.name,
data)
self.send(data, "signal")
return
if not self.anyReady():
self.pause()
yield 1
if 0:
mysplitter = PlugSplitter(Producer())
mysplitter.activate()
Plug(mysplitter, Consumer("consumerA")).activate()
Plug(mysplitter, Consumer("consumerB")).activate()
mysplitter.run()
if 0:
producer = Producer()
mysplitter = PlugSplitter()
pipe = Pipeline(producer, mysplitter)
Plug(mysplitter, Consumer("consumerA")).activate()
Plug(mysplitter, Consumer("consumerB")).activate()
pipe.run()
if 1:
