static uint64_t
local_actOnFileSet(cubepm_t cubepm,
uint64_t pSkip,
uint64_t pAct,
stai_t *data,
cubepmMode_t mode)
{
uint64_t numPartsActTotal = UINT64_C(0);
int firstFile, lastFile;
local_calcFirstLastFile(cubepm, pSkip, pAct, &firstFile, &lastFile);
for (int i = 0; i < firstFile; i++)
pSkip -= (uint64_t)cubepm_getNPLocal(cubepm, i);
for (int i = firstFile; i <= lastFile; i++) {
uint64_t pSkipFile, pActFile, actualAct;
cubepm_open(cubepm, mode, i);
local_calcSkipActFile(cubepm, pSkip, pAct, i,
&pSkipFile, &pActFile);
actualAct = local_actOnSingleFile(cubepm, pSkip, pAct, data);
cubepm_close(cubepm);
local_rebaseStaisData(data, actualAct);
numPartsActTotal += actualAct;
pSkip -= pSkipFile;
pAct -= pActFile;
}
local_rebaseStaisData(data, -((int64_t)numPartsActTotal));
return numPartsActTotal;
}
extern uint64_t
art_read(art_t art, uint64_t pSkip, uint64_t pRead, stai_t *data)
{
uint64_t numPartsReadTotal = UINT64_C(0);
int firstFile, lastFile;
assert(art != NULL);
assert(pSkip + pRead <= artHeader_getNumParticlesTotal(art->header));
local_calcFirstLast(art->numParticlesInFile, art->numFiles - 1,
pSkip, pRead, &firstFile, &lastFile);
pSkip -= ((uint64_t)firstFile) * art->numParticlesInFile;
for (int i = firstFile; i <= lastFile; i++) {
uint64_t pSkipFile, pReadFile, actualRead;
art_open(art, ART_MODE_READ, i);
local_calcSkipAct(art->numParticlesInThisFile,
pSkip, pRead, &pSkipFile, &pReadFile);
actualRead = art_readFromFile(art, i, pSkipFile, pReadFile, data);
assert(actualRead == pReadFile);
art_close(art);
local_rebaseStaisData(data, actualRead);
numPartsReadTotal += actualRead;
pSkip -= pSkipFile;
pRead -= pReadFile;
}
local_rebaseStaisData(data, -((int64_t)numPartsReadTotal));
return numPartsReadTotal;
}
extern uint64_t
art_write(art_t art,
uint64_t pSkip,
uint64_t pWrite,
stai_t *data)
{
uint64_t numPartsWriteTotal = UINT64_C(0);
int firstFile, lastFile;
assert(art != NULL);
assert(pSkip + pWrite <= artHeader_getNumParticlesTotal(art->header));
local_calcFirstLast(art->numParticlesInFile, art->numFiles - 1,
pSkip, pWrite, &firstFile, &lastFile);
pSkip -= ((uint64_t)firstFile) * art->numParticlesInFile;
for (int i = firstFile; i <= lastFile; i++) {
uint64_t pSkipFile, pWriteFile, actualWrite;
art_open(art, ART_MODE_WRITE, i);
local_calcSkipAct(art->numParticlesInThisFile,
pSkip, pWrite, &pSkipFile, &pWriteFile);
actualWrite = art_writeToFile(art, i, pSkipFile, pWriteFile, data);
assert(actualWrite == pWriteFile);
art_close(art);
local_rebaseStaisData(data, actualWrite);
numPartsWriteTotal += actualWrite;
pSkip -= pSkipFile;
pWrite -= pWriteFile;
}
local_rebaseStaisData(data, -((int64_t)numPartsWriteTotal));
return numPartsWriteTotal;
}
extern uint64_t
art_readFromFile(art_t art,
int fileNumber,
uint64_t pSkip,
uint64_t pRead,
stai_t *data)
{
bool wasOpened;
uint64_t numPartsReadTotal = UINT64_C(0);
int firstPage, lastPage;
wasOpened = (art->f == NULL) ? false : true;
art_open(art, ART_MODE_READ, fileNumber);
local_calcFirstLast(art->numParticlesInPage, art->numPagesInThisFile,
pSkip, pRead, &firstPage, &lastPage);
pSkip -= ((uint64_t)firstPage) * art->numParticlesInPage;
for (int i = firstPage; i <= lastPage; i++) {
uint64_t pSkipPage, pReadPage, actualRead;
local_calcSkipAct(art->numParticlesInPage, pSkip, pRead,
&pSkipPage, &pReadPage);
actualRead = art_readFromPage(art, i, pSkipPage, pReadPage, data);
assert(actualRead == pReadPage);
local_rebaseStaisData(data, actualRead);
numPartsReadTotal += actualRead;
pSkip -= pSkipPage;
pRead -= pReadPage;
}
local_rebaseStaisData(data, -((int64_t)numPartsReadTotal));
if (!wasOpened)
art_close(art);
return numPartsReadTotal;
}
extern uint64_t
art_writeToFile(art_t art,
int fileNumber,
uint64_t pSkip,
uint64_t pWrite,
stai_t *data)
{
bool wasOpened;
uint64_t numPartsWriteTotal = UINT64_C(0);
int firstPage, lastPage;
wasOpened = (art->f == NULL) ? false : true;
art_open(art, ART_MODE_WRITE, fileNumber);
local_calcFirstLast(art->numParticlesInPage, art->numPagesInThisFile,
pSkip, pWrite, &firstPage, &lastPage);
pSkip -= ((uint64_t)firstPage) * art->numParticlesInPage;
for (int i = firstPage; i <= lastPage; i++) {
uint64_t pSkipPage, pWritePage, actualWrite;
local_calcSkipAct(art->numParticlesInPage, pSkip, pWrite,
&pSkipPage, &pWritePage);
actualWrite = art_writeToPage(art, i, pSkipPage, pWritePage, data);
assert(actualWrite == pWritePage);
local_rebaseStaisData(data, actualWrite);
numPartsWriteTotal += actualWrite;
pSkip -= pSkipPage;
pWrite -= pWritePage;
}
local_rebaseStaisData(data, -((int64_t)numPartsWriteTotal));
if (!wasOpened)
art_close(art);
return numPartsWriteTotal;
}