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49 lines
1.9 KiB
Python
49 lines
1.9 KiB
Python
import threading
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import time
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from .util import comp
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class Updater(threading.Thread):
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def __init__(self, remote):
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super().__init__(name="updater", target=self.update, daemon=True)
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self._remote = remote
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self._remote._strip_comp = [False] * (
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2 * self._remote.kind.phys_in + 8 * self._remote.kind.virt_in
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)
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self._remote._bus_comp = [False] * (self._remote.kind.num_bus * 8)
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def _update_comps(self, strip_level, bus_level):
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self._remote._strip_comp, self._remote._bus_comp = (
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tuple(not x for x in comp(self._remote.cache["strip_level"], strip_level)),
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tuple(not x for x in comp(self._remote.cache["bus_level"], bus_level)),
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)
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def update(self):
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"""
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Continously update observers of dirty states.
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Generate _strip_comp, _bus_comp and update level cache if ldirty.
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Runs updates at a rate of self.ratelimit.
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"""
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while self._remote.running:
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start = time.time()
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if self._remote.event.pdirty and self._remote.pdirty:
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self._remote.subject.notify("pdirty")
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if self._remote.event.mdirty and self._remote.mdirty:
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self._remote.subject.notify("mdirty")
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if self._remote.event.midi and self._remote.get_midi_message():
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self._remote.subject.notify("midi")
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if self._remote.event.ldirty and self._remote.ldirty:
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self._update_comps(self._remote._strip_buf, self._remote._bus_buf)
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self._remote.cache["strip_level"] = self._remote._strip_buf
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self._remote.cache["bus_level"] = self._remote._bus_buf
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self._remote.subject.notify("ldirty")
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elapsed = time.time() - start
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if self._remote.event.any() and self._remote.ratelimit - elapsed > 0:
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time.sleep(self._remote.ratelimit - elapsed)
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else:
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time.sleep(0.1)
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