97 lines
3.3 KiB
Python
97 lines
3.3 KiB
Python
from abc import ABCMeta, abstractmethod
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from owrx.command import Option
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from .connector import ConnectorSource
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class SoapyConnectorSource(ConnectorSource, metaclass=ABCMeta):
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def getCommandMapper(self):
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return (
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super()
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.getCommandMapper()
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.setBase("soapy_connector")
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.setMappings(
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{
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"antenna": Option("-a"),
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"soapy_settings": Option("-t"),
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}
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)
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)
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"""
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must be implemented by child classes to be able to build a driver-based device selector by default.
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return value must be the corresponding soapy driver identifier.
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"""
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@abstractmethod
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def getDriver(self):
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pass
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def getEventNames(self):
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return super().getEventNames() + list(self.getSoapySettingsMappings().keys())
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def parseDeviceString(self, dstr):
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def decodeComponent(c):
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kv = c.split("=", 1)
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if len(kv) < 2:
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return c
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else:
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return {kv[0]: kv[1]}
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return [decodeComponent(c) for c in dstr.split(",")]
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def encodeDeviceString(self, dobj):
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def encodeComponent(c):
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if isinstance(c, str):
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return c
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else:
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return ",".join(["{0}={1}".format(key, value) for key, value in c.items()])
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return ",".join([encodeComponent(c) for c in dobj])
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def buildSoapyDeviceParameters(self, parsed, values):
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"""
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this method always attempts to inject a driver= part into the soapysdr query, depending on what connector was used.
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this prevents the soapy_connector from using the wrong device in scenarios where there's no same-type sdrs.
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"""
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parsed = [v for v in parsed if "driver" not in v]
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parsed += [{"driver": self.getDriver()}]
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return parsed
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def getSoapySettingsMappings(self):
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return {}
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def buildSoapySettings(self, values):
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settings = {}
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for k, v in self.getSoapySettingsMappings().items():
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if k in values and values[k] is not None:
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settings[v] = self.convertSoapySettingsValue(values[k])
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return settings
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def convertSoapySettingsValue(self, value):
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if isinstance(value, bool):
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return "true" if value else "false"
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return value
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def getCommandValues(self):
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values = super().getCommandValues()
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if "device" in values and values["device"] is not None:
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parsed = self.parseDeviceString(values["device"])
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else:
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parsed = []
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modified = self.buildSoapyDeviceParameters(parsed, values)
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values["device"] = self.encodeDeviceString(modified)
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settings = ",".join(["{0}={1}".format(k, v) for k, v in self.buildSoapySettings(values).items()])
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if len(settings):
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values["soapy_settings"] = settings
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return values
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def onPropertyChange(self, changes):
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mappings = self.getSoapySettingsMappings()
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settings = {}
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for prop, value in changes.items():
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if prop in mappings.keys():
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settings[mappings[prop]] = self.convertSoapySettingsValue(value)
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if settings:
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changes["settings"] = ",".join("{0}={1}".format(k, v) for k, v in settings.items())
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super().onPropertyChange(changes)
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