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This commit is contained in:
Hongze Cheng 2022-01-21 05:24:25 +00:00
parent 7ef98d1af9
commit 8dfad06979
1 changed files with 19 additions and 0 deletions
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19
source/libs/tdb/src/db/tdb_mpool.c
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@ -20,6 +20,7 @@ static void tdbMPoolRegFile(TDB_MPOOL *mp, TDB_MPFILE *mpf);
static void tdbMPoolUnregFile(TDB_MPOOL *mp, TDB_MPFILE *mpf);
static TDB_MPFILE *tdbMPoolGetFile(TDB_MPOOL *mp, uint8_t *fileid);
static int tdbMPoolFileReadPage(TDB_MPFILE *mpf, pgno_t pgno, void *p);
static int tdbMPoolFileWritePage(TDB_MPFILE *mpf, pgno_t pgno, const void *p);
int tdbMPoolOpen(TDB_MPOOL **mpp, uint64_t cachesize, pgsize_t pgsize) {
TDB_MPOOL *mp = NULL;
@ -317,5 +318,23 @@ static int tdbMPoolFileReadPage(TDB_MPFILE *mpf, pgno_t pgno, void *p) {
rsize = pread(mpf->fd, p, pgsize, offset);
// TODO: error handle
return 0;
}
static int tdbMPoolFileWritePage(TDB_MPFILE *mpf, pgno_t pgno, const void *p) {
pgsize_t pgsize;
TDB_MPOOL *mp;
off_t offset;
mp = mpf->mp;
pgsize = mp->pgsize;
offset = pgno * pgsize;
lseek(mpf->fd, offset, SEEK_SET);
// TODO: handle error
write(mpf->fd, p, pgsize);
// TODO: handle error
return 0;
}