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This commit is contained in:
David Given
2022-03-06 00:46:53 +01:00
parent a4ef434f11
commit 78186d8a45
3 changed files with 27 additions and 2 deletions
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24
lib/fluxsource/fl2fluxsource.cc
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@@ -20,6 +20,7 @@ public:
if (!_proto.ParseFromIstream(&ifs))
Error() << "unable to read input file";
upgradeFluxFile();
}
public:
@@ -43,6 +44,29 @@ private:
Error() << fmt::format("FL2 read I/O error: {}", strerror(errno));
}
void upgradeFluxFile()
{
if (_proto.version() == FluxFileVersion::VERSION_1)
{
/* Change a flux datastream with multiple segments separated by F_DESYNC into multiple
* flux segments. */
for (auto* track = _proto.mutable_track())
{
Fluxmap old_flux(track.flux(0));
auto split_flux = old_flux.split();
track.clear_flux();
for (const auto& flux : split_flux)
track.add_flux(flux.rawBytes());
}
_proto.set_version(FluxFileVersion::VERSION_2);
}
if (_proto.version() > FluxFileVersion::VERSION_2)
Error() << fmt::format("this is a version {} flux file, but this build of the client can only handle up to version {} --- please upgrade", _proto.version(), FluxFileVersion::VERSION_2);
}
private:
const Fl2FluxSourceProto& _config;
FluxFileProto _proto;