mirror of
https://github.com/onyx-and-iris/vban-cmd-python.git
synced 2024-11-15 17:10:46 +00:00
connection errors now raise VBANCMDConnectionError
Producer thread added, sends job queue to Updater data slices moved back into dataclass
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parent
90acafe95b
commit
a730edc2c2
@ -1,5 +1,4 @@
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from dataclasses import dataclass
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from typing import Generator
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from .util import comp
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@ -13,9 +12,30 @@ HEADER_SIZE = 4 + 1 + 1 + 1 + 1 + 16 + 4
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class VbanRtPacket:
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"""Represents the body of a VBAN RT data packet"""
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def __init__(self, **kwargs):
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for k, v in kwargs.items():
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setattr(self, k, v)
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def __init__(self, kind=None, data=None):
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self._kind = kind
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self._voicemeeterType = data[28:29]
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self._reserved = data[29:30]
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self._buffersize = data[30:32]
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self._voicemeeterVersion = data[32:36]
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self._optionBits = data[36:40]
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self._samplerate = data[40:44]
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self._inputLeveldB100 = data[44:112]
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self._outputLeveldB100 = data[112:240]
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self._TransportBit = data[240:244]
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self._stripState = data[244:276]
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self._busState = data[276:308]
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self._stripGaindB100Layer1 = data[308:324]
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self._stripGaindB100Layer2 = data[324:340]
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self._stripGaindB100Layer3 = data[340:356]
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self._stripGaindB100Layer4 = data[356:372]
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self._stripGaindB100Layer5 = data[372:388]
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self._stripGaindB100Layer6 = data[388:404]
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self._stripGaindB100Layer7 = data[404:420]
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self._stripGaindB100Layer8 = data[420:436]
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self._busGaindB100 = data[436:452]
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self._stripLabelUTF8c60 = data[452:932]
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self._busLabelUTF8c60 = data[932:1412]
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self._strip_level = self._generate_levels(self._inputLeveldB100)
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self._bus_level = self._generate_levels(self._outputLeveldB100)
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@ -4,98 +4,52 @@ import threading
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import time
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from typing import Optional
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from .error import VBANCMDError
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from .error import VBANCMDConnectionError
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from .packet import HEADER_SIZE, SubscribeHeader, VbanRtPacket, VbanRtPacketHeader
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from .util import Socket, comp
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from .util import Socket
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logger = logging.getLogger(__name__)
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class Subscriber(threading.Thread):
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"""fire a subscription packet every 10 seconds"""
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def __init__(self, remote):
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super().__init__(name="subscriber", target=self.subscribe, daemon=True)
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super().__init__(name="subscriber", daemon=True)
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self._remote = remote
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self.logger = logger.getChild(self.__class__.__name__)
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self.packet = SubscribeHeader()
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def subscribe(self):
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def run(self):
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while self._remote.running:
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try:
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self._remote.socks[Socket.register].sendto(
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self.packet.header,
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(socket.gethostbyname(self._remote.ip), self._remote.port),
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)
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count = int.from_bytes(self.packet.framecounter, "little") + 1
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self.packet.framecounter = count.to_bytes(4, "little")
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self.packet.framecounter = (
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int.from_bytes(self.packet.framecounter, "little") + 1
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).to_bytes(4, "little")
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time.sleep(10)
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except socket.gaierror:
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err_msg = f"Unable to resolve hostname {self._remote.ip}"
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print(err_msg)
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raise VBANCMDError(err_msg)
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except socket.gaierror as e:
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self.logger.exception(f"{type(e).__name__}: {e}")
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raise VBANCMDConnectionError(f"unable to resolve hostname {self._remote.ip}") from e
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class Updater(threading.Thread):
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"""
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continously updates the public packet
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class Producer(threading.Thread):
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"""Continously send job queue to the Updater thread at a rate of self._remote.ratelimit."""
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notifies observers of event updates
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"""
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logger = logging.getLogger("worker.updater")
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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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def __init__(self, remote, queue):
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super().__init__(name="producer", daemon=True)
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self._remote = remote
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self._remote.socks[Socket.response].settimeout(5)
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self._remote.socks[Socket.response].bind(
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(socket.gethostbyname(socket.gethostname()), self._remote.port)
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)
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self.queue = queue
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self.logger = logger.getChild(self.__class__.__name__)
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self.packet_expected = VbanRtPacketHeader()
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self._remote._public_packet = self._get_rt()
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(
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self._remote.cache["strip_level"],
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self._remote.cache["bus_level"],
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) = self._remote._get_levels(self._remote.public_packet)
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p_in, v_in = self._remote.kind.ins
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self._remote._strip_comp = [False] * (2 * p_in + 8 * v_in)
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self._remote._bus_comp = [False] * (self._remote.kind.num_bus * 8)
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def _fetch_rt_packet(self) -> Optional[VbanRtPacket]:
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try:
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data, _ = self._remote.socks[Socket.response].recvfrom(2048)
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# check for packet data
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if len(data) > HEADER_SIZE:
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# check if packet is of type rt packet response
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if self.packet_expected.header == data[: HEADER_SIZE - 4]:
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self.logger.debug("valid packet received")
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return VbanRtPacket(
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_kind=self._remote.kind,
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_voicemeeterType=data[28:29],
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_reserved=data[29:30],
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_buffersize=data[30:32],
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_voicemeeterVersion=data[32:36],
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_optionBits=data[36:40],
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_samplerate=data[40:44],
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_inputLeveldB100=data[44:112],
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_outputLeveldB100=data[112:240],
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_TransportBit=data[240:244],
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_stripState=data[244:276],
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_busState=data[276:308],
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_stripGaindB100Layer1=data[308:324],
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_stripGaindB100Layer2=data[324:340],
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_stripGaindB100Layer3=data[340:356],
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_stripGaindB100Layer4=data[356:372],
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_stripGaindB100Layer5=data[372:388],
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_stripGaindB100Layer6=data[388:404],
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_stripGaindB100Layer7=data[404:420],
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_stripGaindB100Layer8=data[420:436],
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_busGaindB100=data[436:452],
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_stripLabelUTF8c60=data[452:932],
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_busLabelUTF8c60=data[932:1412],
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)
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except TimeoutError:
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err_msg = f"Unable to establish connection with {self._remote.ip}"
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print(err_msg)
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raise VBANCMDError(err_msg)
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def _get_rt(self) -> VbanRtPacket:
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"""Attempt to fetch data packet until a valid one found"""
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@ -109,9 +63,20 @@ class Updater(threading.Thread):
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return fget()
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def update(self):
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def _fetch_rt_packet(self) -> Optional[VbanRtPacket]:
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try:
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data, _ = self._remote.socks[Socket.response].recvfrom(2048)
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# check for packet data
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if len(data) > HEADER_SIZE:
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# check if packet is of type rt packet response
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if self.packet_expected.header == data[: HEADER_SIZE - 4]:
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return VbanRtPacket(kind=self._remote.kind, data=data)
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except TimeoutError as e:
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self.logger.exception(f"{type(e).__name__}: {e}")
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raise VBANCMDConnectionError(f"timeout waiting for RtPacket from {self._remote.ip}") from e
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def run(self):
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while self._remote.running:
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start = time.time()
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_pp = self._get_rt()
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pdirty = _pp.pdirty(self._remote.public_packet)
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ldirty = _pp.ldirty(
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@ -119,24 +84,63 @@ class Updater(threading.Thread):
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)
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if pdirty or ldirty:
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self.logger.debug("dirty state, updating public packet")
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self._remote._public_packet = _pp
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self._remote._pdirty = pdirty
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self._remote._ldirty = ldirty
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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.ldirty and self._remote.ldirty:
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self._remote._strip_comp, self._remote._bus_comp = (
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_pp._strip_comp,
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_pp._bus_comp,
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)
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self._remote.cache["strip_level"], self._remote.cache["bus_level"] = (
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_pp.inputlevels,
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_pp.outputlevels,
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)
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self._remote.subject.notify("ldirty")
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if self._remote.event.pdirty:
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self.queue.put("pdirty")
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if self._remote.event.ldirty:
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self.queue.put("ldirty")
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time.sleep(self._remote.ratelimit)
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self.logger.debug(f"terminating {self.getName()} thread")
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self.queue.put(None)
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elapsed = time.time() - start
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if self._remote.ratelimit - elapsed > 0:
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time.sleep(self._remote.ratelimit - elapsed)
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class Updater(threading.Thread):
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"""
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continously updates the public packet
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notifies observers of event updates
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"""
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def __init__(self, remote, queue):
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super().__init__(name="updater", daemon=True)
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self._remote = remote
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self.queue = queue
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self.logger = logger.getChild(self.__class__.__name__)
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self._remote.socks[Socket.response].settimeout(self._remote.timeout)
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self._remote.socks[Socket.response].bind(
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(socket.gethostbyname(socket.gethostname()), self._remote.port)
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)
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p_in, v_in = self._remote.kind.ins
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self._remote._strip_comp = [False] * (2 * p_in + 8 * v_in)
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self._remote._bus_comp = [False] * (self._remote.kind.num_bus * 8)
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def run(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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"""
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while True:
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event = self.queue.get()
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if event is None:
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self.logger.debug(f"terminating {self.getName()} thread")
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break
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if event == "pdirty" and self._remote.pdirty:
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self._remote.subject.notify(event)
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elif event == "ldirty" and self._remote.ldirty:
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self._remote._strip_comp, self._remote._bus_comp = (
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self._remote._public_packet._strip_comp,
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self._remote._public_packet._bus_comp,
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)
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(
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self._remote.cache["strip_level"],
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self._remote.cache["bus_level"],
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) = (
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self._remote._public_packet.inputlevels,
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self._remote._public_packet.outputlevels,
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)
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self._remote.subject.notify(event)
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