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Kirill Smelkov
wendelin.core
Commits
ec505b13
Commit
ec505b13
authored
Aug 05, 2021
by
Kirill Smelkov
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parent
d97605e7
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8 deletions
+8
-8
wcfs/internal/zdata/δftail.go
wcfs/internal/zdata/δftail.go
+8
-8
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wcfs/internal/zdata/δftail.go
View file @
ec505b13
...
...
@@ -66,7 +66,7 @@ type setOid = set.Oid
// .Update(δZ) -> δF - update files δ tail given raw ZODB changes
// .ForgetPast(revCut) - forget changes past revCut
// .SliceByRev(lo, hi) -> []δF - query for all files changes with rev ∈ (lo, hi]
// .SliceByFileRev(file, lo, hi) -> []δfile - query for changes of file with rev ∈ (lo, hi]
// .SliceByFileRev(file, lo, hi) -> []δfile - query for changes of
a
file with rev ∈ (lo, hi]
// .BlkRevAt(file, #blk, at) - query for what is last revision that changed
// file[#blk] as of @at database state.
//
...
...
@@ -74,7 +74,7 @@ type setOid = set.Oid
//
// δfile:
// .rev↑
// {}blk
// {}blk
| EPOCH
//
// XXX concurrent use
//
...
...
@@ -85,7 +85,7 @@ type ΔFtail struct {
fileIdx
map
[
zodb
.
Oid
]
setOid
// tree-root -> {} ZBigFile<oid> as of @head XXX -> root2file ?
byFile
map
[
zodb
.
Oid
]
*
_ΔFileTail
// file -> vδf tail XXX
// set of files, which are newly tracked and for which vδE was not yet rebuilt
// set of files, which are newly tracked and for which
byFile[foid].
vδE was not yet rebuilt
trackNew
setOid
// {}foid
trackSetZBlk
map
[
zodb
.
Oid
]
*
zblkTrack
// zblk -> {} root -> {}blk as of @head
...
...
@@ -157,8 +157,6 @@ func (δFtail *ΔFtail) Tail() zodb.Tid { return δFtail.δBtail.Tail() }
//
// XXX Track adds tree path to tracked set and associates path root with file.
//
// XXX text
//
// XXX objects in path and zblk must be with .PJar().At() == .head
//
// A root can be associated with several files (each provided on different Track call).
...
...
@@ -186,7 +184,7 @@ func (δFtail *ΔFtail) Track(file *ZBigFile, blk int64, path []btree.LONode, zb
δftail
,
ok
:=
δFtail
.
byFile
[
foid
]
if
!
ok
{
δftail
=
&
_ΔFileTail
{
root
:
roid
,
vδE
:
nil
/*will need to be rebuilt t
ill past
*/
}
δftail
=
&
_ΔFileTail
{
root
:
roid
,
vδE
:
nil
/*will need to be rebuilt t
o past till tail
*/
}
δFtail
.
byFile
[
foid
]
=
δftail
δFtail
.
trackNew
.
Add
(
foid
)
}
...
...
@@ -221,11 +219,13 @@ func (δFtail *ΔFtail) rebuildAll() (err error) {
defer
xerr
.
Contextf
(
&
err
,
"ΔFtail rebuildAll"
)
// XXX locking
δBtail
:=
δFtail
.
δBtail
δZtail
:=
δBtail
.
ΔZtail
()
db
:=
δBtail
.
DB
()
for
foid
:=
range
δFtail
.
trackNew
{
δFtail
.
trackNew
.
Del
(
foid
)
δftail
:=
δFtail
.
byFile
[
foid
]
δBtail
:=
δFtail
.
δBtail
err
:=
δftail
.
rebuild1
(
foid
,
δBtail
.
ΔZtail
(),
δBtail
.
DB
())
err
:=
δftail
.
rebuild1
(
foid
,
δZtail
,
db
)
if
err
!=
nil
{
return
err
}
...
...
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