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Refactor for better multi-read support. Each read is now held separately, with

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F_DESYNC being deprecated, and FluxSource returns an iterator which can be used
to retry reads.
This commit is contained in:
David Given
2022-03-07 00:07:42 +01:00
parent 78186d8a45
commit 96214bf3fd
25 changed files with 347 additions and 146 deletions
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10
lib/fluxsource/scpfluxsource.cc
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@@ -24,7 +24,7 @@ static int strackno(int track, int side)
return (track << 1) | side;
}
class ScpFluxSource : public FluxSource
class ScpFluxSource : public TrivialFluxSource
{
public:
ScpFluxSource(const ScpFluxSourceProto& config):
@@ -55,14 +55,14 @@ public:
}
public:
std::unique_ptr<Fluxmap> readFlux(int track, int side)
std::unique_ptr<const Fluxmap> readSingleFlux(int track, int side) override
{
int strack = strackno(track, side);
if (strack >= ARRAY_SIZE(_header.track))
return std::unique_ptr<Fluxmap>();
return std::make_unique<Fluxmap>();
uint32_t offset = Bytes(_header.track[strack], 4).reader().read_le32();
if (offset == 0)
return std::unique_ptr<Fluxmap>();
return std::make_unique<Fluxmap>();
ScpTrackHeader trackheader;
_if.seekg(offset, std::ios::beg);
@@ -83,7 +83,7 @@ public:
revs[revolution] = trackrev;
}
std::unique_ptr<Fluxmap> fluxmap(new Fluxmap);
auto fluxmap = std::make_unique<Fluxmap>();
nanoseconds_t pending = 0;
unsigned inputBytes = 0;
for (int revolution = 0; revolution < _header.revolutions; revolution++)