void QsfpModule::getCableInfo(Cable &cable) {
cable.transmitterTech = getQsfpTransmitterTechnology();
cable.__isset.transmitterTech = true;
cable.singleMode = getQsfpCableLength(SffField::LENGTH_SM_KM);
cable.__isset.singleMode = (cable.singleMode != 0);
cable.om3 = getQsfpCableLength(SffField::LENGTH_OM3);
cable.__isset.om3 = (cable.om3 != 0);
cable.om2 = getQsfpCableLength(SffField::LENGTH_OM2);
cable.__isset.om2 = (cable.om2 != 0);
cable.om1 = getQsfpCableLength(SffField::LENGTH_OM1);
cable.__isset.om1 = (cable.om1 != 0);
cable.copper = getQsfpCableLength(SffField::LENGTH_COPPER);
cable.__isset.copper = (cable.copper != 0);
if (!cable.__isset.copper) {
// length and gauge fields currently only supported for copper
// TODO: migrate all cable types
return;
}
auto overrideDacCableInfo = getDACCableOverride();
if (overrideDacCableInfo) {
cable.length = overrideDacCableInfo->first;
cable.gauge = overrideDacCableInfo->second;
} else {
cable.length = getQsfpDACLength();
cable.gauge = getQsfpDACGauge();
}
cable.__isset.length = (cable.length != 0);
cable.__isset.gauge = (cable.gauge != 0);
}
double QsfpModule::getQsfpDACLength() const {
auto base = getQsfpCableLength(SffField::LENGTH_COPPER);
auto fractional = getQsfpCableLength(SffField::LENGTH_COPPER_DECIMETERS);
if (fractional < 0) {
// fractional value not populated, fall back to integer value
return base;
} else if (fractional >= 1) {
// some vendors misunderstood and expressed the full length in terms of dm
return fractional;
} else {
return base + fractional;
}
}
bool QsfpModule::getCableInfo(Cable &cable) {
cable.singleMode = getQsfpCableLength(SffField::LENGTH_SM_KM);
cable.__isset.singleMode = (cable.singleMode != 0);
cable.om3 = getQsfpCableLength(SffField::LENGTH_OM3);
cable.__isset.om3 = (cable.om3 != 0);
cable.om2 = getQsfpCableLength(SffField::LENGTH_OM2);
cable.__isset.om2 = (cable.om2 != 0);
cable.om1 = getQsfpCableLength(SffField::LENGTH_OM1);
cable.__isset.om1 = (cable.om1 != 0);
cable.copper = getQsfpCableLength(SffField::LENGTH_COPPER);
cable.__isset.copper = (cable.copper != 0);
return (cable.__isset.copper || cable.__isset.om1 || cable.__isset.om2 ||
cable.__isset.om3 || cable.__isset.singleMode);
}
