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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "threelevelcountbuffers.h"
#include <cassert>
namespace search::diskindex {
ThreeLevelCountWriteBuffers::
ThreeLevelCountWriteBuffers(EC &sse, EC &spe, EC &pe)
: _sse(sse),
_spe(spe),
_pe(pe),
_wcsse(sse),
_wcspe(spe),
_wcpe(pe),
_ssHeaderLen(0u),
_spHeaderLen(0u),
_pHeaderLen(0u),
_ssFileBitSize(0u),
_spFileBitSize(0u),
_pFileBitSize(0u)
{
_wcsse.allocComprBuf();
_sse.setWriteContext(&_wcsse);
_sse.setupWrite(_wcsse);
assert(_sse.getWriteOffset() == 0);
_wcspe.allocComprBuf();
_spe.setWriteContext(&_wcspe);
_spe.setupWrite(_wcspe);
assert(_spe.getWriteOffset() == 0);
_wcpe.allocComprBuf();
_pe.setWriteContext(&_wcpe);
_pe.setupWrite(_wcpe);
assert(_pe.getWriteOffset() == 0);
}
ThreeLevelCountWriteBuffers::~ThreeLevelCountWriteBuffers() = default;
void
ThreeLevelCountWriteBuffers::flush()
{
_ssFileBitSize = _sse.getWriteOffset();
_spFileBitSize = _spe.getWriteOffset();
_pFileBitSize = _pe.getWriteOffset();
_sse.padBits(128);
_sse.flush();
_spe.padBits(128);
_spe.flush();
_pe.padBits(128);
_pe.flush();
}
void
ThreeLevelCountWriteBuffers::startPad(uint32_t ssHeaderLen,
uint32_t spHeaderLen,
uint32_t pHeaderLen)
{
_sse.padBits(ssHeaderLen * 8);
_spe.padBits(spHeaderLen * 8);
_pe.padBits(pHeaderLen * 8);
_ssHeaderLen = ssHeaderLen;
_spHeaderLen = spHeaderLen;
_pHeaderLen = pHeaderLen;
}
ThreeLevelCountReadBuffers::ThreeLevelCountReadBuffers(DC &ssd, DC &spd, DC &pd, ThreeLevelCountWriteBuffers &wb)
: _ssd(ssd),
_spd(spd),
_pd(pd),
_rcssd(ssd),
_rcspd(spd),
_rcpd(pd),
_ssHeaderLen(wb._ssHeaderLen),
_spHeaderLen(wb._spHeaderLen),
_pHeaderLen(wb._pHeaderLen),
_ssFileBitSize(wb._ssFileBitSize),
_spFileBitSize(wb._spFileBitSize),
_pFileBitSize(wb._pFileBitSize)
{
ssd.setReadContext(&_rcssd);
spd.setReadContext(&_rcspd);
pd.setReadContext(&_rcpd);
_rcssd.referenceWriteContext(wb._wcsse);
_rcspd.referenceWriteContext(wb._wcspe);
_rcpd.referenceWriteContext(wb._wcpe);
ssd.skipBits(_ssHeaderLen * 8);
spd.skipBits(_spHeaderLen * 8);
pd.skipBits(_pHeaderLen * 8);
}
ThreeLevelCountReadBuffers::ThreeLevelCountReadBuffers(DC &ssd, DC &spd, DC &pd)
: _ssd(ssd),
_spd(spd),
_pd(pd),
_rcssd(ssd),
_rcspd(spd),
_rcpd(pd),
_ssHeaderLen(0u),
_spHeaderLen(0u),
_pHeaderLen(0u),
_ssFileBitSize(0u),
_spFileBitSize(0u),
_pFileBitSize(0u)
{
ssd.setReadContext(&_rcssd);
spd.setReadContext(&_rcspd);
pd.setReadContext(&_rcpd);
}
ThreeLevelCountReadBuffers::~ThreeLevelCountReadBuffers() = default;
}
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