openwebrx-clone/owrx/js8.py

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from owrx.audio import AudioChopperProfile, ConfigWiredProfileSource
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from owrx.audio.chopper import AudioChopperParser
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import re
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from js8py import Js8
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from js8py.frames import Js8FrameHeartbeat, Js8FrameCompound
from owrx.map import Map, LocatorLocation
from owrx.metrics import Metrics, CounterMetric
from owrx.config import Config
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from abc import ABCMeta, abstractmethod
from owrx.reporting import ReportingEngine
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from owrx.bands import Bandplan
from typing import List
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import logging
logger = logging.getLogger(__name__)
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class Js8Profile(AudioChopperProfile, metaclass=ABCMeta):
def decoding_depth(self):
pm = Config.get()
# return global default
if "js8_decoding_depth" in pm:
return pm["js8_decoding_depth"]
# default when no setting is provided
return 3
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def getFileTimestampFormat(self):
return "%y%m%d_%H%M%S"
def decoder_commandline(self, file):
return ["js8", "--js8", "-b", self.get_sub_mode(), "-d", str(self.decoding_depth()), file]
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@abstractmethod
def get_sub_mode(self):
pass
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class Js8ProfileSource(ConfigWiredProfileSource):
def getPropertiesToWire(self) -> List[str]:
return ["js8_enabled_profiles"]
def getProfiles(self) -> List[AudioChopperProfile]:
config = Config.get()
profiles = config["js8_enabled_profiles"] if "js8_enabled_profiles" in config else []
return [self._loadProfile(p) for p in profiles]
def _loadProfile(self, profileName):
className = "Js8{0}Profile".format(profileName[0].upper() + profileName[1:].lower())
return globals()[className]()
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class Js8NormalProfile(Js8Profile):
def getInterval(self):
return 15
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def get_sub_mode(self):
return "A"
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class Js8SlowProfile(Js8Profile):
def getInterval(self):
return 30
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def get_sub_mode(self):
return "E"
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class Js8FastProfile(Js8Profile):
def getInterval(self):
return 10
def get_sub_mode(self):
return "B"
class Js8TurboProfile(Js8Profile):
def getInterval(self):
return 6
def get_sub_mode(self):
return "C"
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class Js8Parser(AudioChopperParser):
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decoderRegex = re.compile(" ?<Decode(Started|Debug|Finished)>")
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def parse(self, profile: AudioChopperProfile, freq: int, raw_msg: bytes):
try:
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band = None
if freq is not None:
band = Bandplan.getSharedInstance().findBand(freq)
msg = raw_msg.decode().rstrip()
if Js8Parser.decoderRegex.match(msg):
return
if msg.startswith(" EOF on input file"):
return
frame = Js8().parse_message(msg)
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self.pushDecode(band)
if (isinstance(frame, Js8FrameHeartbeat) or isinstance(frame, Js8FrameCompound)) and frame.grid:
Map.getSharedInstance().updateLocation(
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frame.source, LocatorLocation(frame.grid), "JS8", band
)
ReportingEngine.getSharedInstance().spot(
{
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"source": frame.source,
"mode": "JS8",
"locator": frame.grid,
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"freq": freq + frame.freq,
"db": frame.db,
"timestamp": frame.timestamp,
"msg": str(frame),
}
)
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out = {
"mode": "JS8",
"msg": str(frame),
"timestamp": frame.timestamp,
"db": frame.db,
"dt": frame.dt,
"freq": freq + frame.freq,
"thread_type": frame.thread_type,
"js8mode": frame.mode,
}
return out
except Exception:
logger.exception("error while parsing js8 message")
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def pushDecode(self, band):
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metrics = Metrics.getSharedInstance()
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bandName = "unknown"
if band is not None:
bandName = band.getName()
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name = "js8call.decodes.{band}.JS8".format(band=bandName)
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metric = metrics.getMetric(name)
if metric is None:
metric = CounterMetric()
metrics.addMetric(name, metric)
metric.inc()