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Kirill Smelkov
wendelin.core
Commits
7a8cebf5
Commit
7a8cebf5
authored
Jul 19, 2018
by
Kirill Smelkov
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parent
ae2044cd
Changes
3
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3 changed files
with
13 additions
and
16 deletions
+13
-16
wcfs/wcfs.go
wcfs/wcfs.go
+1
-1
wcfs/zodb.go
wcfs/zodb.go
+10
-13
wcfs/zodbpy.go
wcfs/zodbpy.go
+2
-2
No files found.
wcfs/wcfs.go
View file @
7a8cebf5
...
@@ -478,7 +478,7 @@ func (bf *BigFile) Read(_ nodefs.File, dest []byte, off int64, _ fuse.Context) (
...
@@ -478,7 +478,7 @@ func (bf *BigFile) Read(_ nodefs.File, dest []byte, off int64, _ fuse.Context) (
// TODO set it to Connection.CacheControl
// TODO set it to Connection.CacheControl
type
zodbCacheControl
struct
{}
type
zodbCacheControl
struct
{}
func
(
cc
*
zodbCacheControl
)
WantEvict
(
obj
Objec
t
)
bool
{
func
(
cc
*
zodbCacheControl
)
WantEvict
(
obj
IPersisten
t
)
bool
{
switch
obj
.
(
type
)
{
switch
obj
.
(
type
)
{
default
:
default
:
return
true
return
true
...
...
wcfs/zodb.go
View file @
7a8cebf5
...
@@ -22,11 +22,8 @@ import (
...
@@ -22,11 +22,8 @@ import (
"lab.nexedi.com/kirr/neo/go/zodb"
"lab.nexedi.com/kirr/neo/go/zodb"
)
)
// Object is the interface that every in-RAM object representing any ZODB object implements.
// IPersistent is the interface that every in-RAM object representing any ZODB object implements.
//
type
IPersistent
interface
{
// It is analog to Persistent in ZODB.
// XXX rename -> Persistent?
type
Object
interface
{
PJar
()
*
Connection
// Connection this in-RAM object is part of.
PJar
()
*
Connection
// Connection this in-RAM object is part of.
POid
()
zodb
.
Oid
// object ID in the database.
POid
()
zodb
.
Oid
// object ID in the database.
...
@@ -85,7 +82,7 @@ type Object interface {
...
@@ -85,7 +82,7 @@ type Object interface {
// Object must be stateful for persistency to work
// Object must be stateful for persistency to work
// XXX try to move out of
Objec
t?
// XXX try to move out of
IPersisten
t?
Stateful
Stateful
}
}
...
@@ -108,7 +105,7 @@ type object struct {
...
@@ -108,7 +105,7 @@ type object struct {
mu
sync
.
Mutex
mu
sync
.
Mutex
state
ObjectState
state
ObjectState
refcnt
int32
refcnt
int32
instance
Object
// object should be the base for the instance
instance
IPersistent
// object should be the base for the instance
loading
*
loadState
loading
*
loadState
}
}
...
@@ -151,7 +148,7 @@ type Stateful interface {
...
@@ -151,7 +148,7 @@ type Stateful interface {
//
//
// Connection changes are private and are isolated from changes in other Connections.
// Connection changes are private and are isolated from changes in other Connections.
//
//
// XXX Connection, and
{Py}Objec
t methods that relate to it, are not safe for
// XXX Connection, and
I{Py}Persisten
t methods that relate to it, are not safe for
// modifications from multiple goroutines simultaneously.
// modifications from multiple goroutines simultaneously.
//
//
// XXX ^^^ better must be safe - use case: e.g. prefetch.
// XXX ^^^ better must be safe - use case: e.g. prefetch.
...
@@ -207,7 +204,7 @@ type Connection struct {
...
@@ -207,7 +204,7 @@ type Connection struct {
// NOTE2 finalizers don't run on when they are attached to an object in cycle.
// NOTE2 finalizers don't run on when they are attached to an object in cycle.
// Hopefully we don't have cycles with ZBtree/ZBucket XXX verify this
// Hopefully we don't have cycles with ZBtree/ZBucket XXX verify this
objmu
sync
.
Mutex
objmu
sync
.
Mutex
objtab
map
[
zodb
.
Oid
]
*
WeakRef
// oid -> WeakRef(
Objec
t)
objtab
map
[
zodb
.
Oid
]
*
WeakRef
// oid -> WeakRef(
IPersisten
t)
// hooks for application to influence live caching decisions.
// hooks for application to influence live caching decisions.
cacheControl
LiveCacheControl
cacheControl
LiveCacheControl
...
@@ -223,13 +220,13 @@ type LiveCacheControl interface {
...
@@ -223,13 +220,13 @@ type LiveCacheControl interface {
//
//
// NOTE on invalidation invalidated objects are evicted from live cache
// NOTE on invalidation invalidated objects are evicted from live cache
// unconditionally.
// unconditionally.
WantEvict
(
obj
Objec
t
)
(
ok
bool
)
WantEvict
(
obj
IPersisten
t
)
(
ok
bool
)
}
}
// ---- activate/deactivate/invalidate ----
// ---- activate/deactivate/invalidate ----
// PActivate implements
Objec
t.
// PActivate implements
IPersisten
t.
func
(
obj
*
object
)
PActivate
(
ctx
context
.
Context
)
(
err
error
)
{
func
(
obj
*
object
)
PActivate
(
ctx
context
.
Context
)
(
err
error
)
{
obj
.
mu
.
Lock
()
obj
.
mu
.
Lock
()
obj
.
refcnt
++
obj
.
refcnt
++
...
@@ -286,7 +283,7 @@ func (obj *object) PActivate(ctx context.Context) (err error) {
...
@@ -286,7 +283,7 @@ func (obj *object) PActivate(ctx context.Context) (err error) {
return
err
// XXX err ctx
return
err
// XXX err ctx
}
}
// PDeactivate implements
Objec
t.
// PDeactivate implements
IPersisten
t.
func
(
obj
*
object
)
PDeactivate
()
{
func
(
obj
*
object
)
PDeactivate
()
{
obj
.
mu
.
Lock
()
obj
.
mu
.
Lock
()
defer
obj
.
mu
.
Unlock
()
defer
obj
.
mu
.
Unlock
()
...
@@ -316,7 +313,7 @@ func (obj *object) PDeactivate() {
...
@@ -316,7 +313,7 @@ func (obj *object) PDeactivate() {
obj
.
loading
=
nil
obj
.
loading
=
nil
}
}
// PInvalidate() implements
Objec
t.
// PInvalidate() implements
IPersisten
t.
func
(
obj
*
object
)
PInvalidate
()
{
func
(
obj
*
object
)
PInvalidate
()
{
obj
.
mu
.
Lock
()
obj
.
mu
.
Lock
()
defer
obj
.
mu
.
Unlock
()
defer
obj
.
mu
.
Unlock
()
...
...
wcfs/zodbpy.go
View file @
7a8cebf5
...
@@ -28,7 +28,7 @@ import (
...
@@ -28,7 +28,7 @@ import (
//
//
// XXX rename -> PyPersistent?
// XXX rename -> PyPersistent?
type
PyObject
interface
{
type
PyObject
interface
{
Objec
t
IPersisten
t
PyClass
()
pickle
.
Class
// python class of this object
PyClass
()
pickle
.
Class
// python class of this object
// PyState() interface{} // object state. python passes this to pyclass.__new__().__setstate__()
// PyState() interface{} // object state. python passes this to pyclass.__new__().__setstate__()
...
@@ -66,7 +66,7 @@ type PyStateful interface {
...
@@ -66,7 +66,7 @@ type PyStateful interface {
// pyinstance returns .instance upcasted to PyObject.
// pyinstance returns .instance upcasted to PyObject.
//
//
// this should be always safe because we always create pyObjects via
// this should be always safe because we always create pyObjects via
// newGhost which passes PyObject as instance to
Objec
t.
// newGhost which passes PyObject as instance to
IPersisten
t.
func
(
pyobj
*
pyObject
)
pyinstance
()
PyObject
{
func
(
pyobj
*
pyObject
)
pyinstance
()
PyObject
{
return
pyobj
.
instance
.
(
PyObject
)
return
pyobj
.
instance
.
(
PyObject
)
}
}
...
...
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