kotovalexarian-likes-github/moby--moby
1
0
Fork 0
mirror of https://github.com/moby/moby.git synced 2022-11-09 12:21:53 -05:00
Code Releases Activity

Merge pull request #1206 from jimmycmh/master

Browse source 
Remove Lock in datastore for global scope
This commit is contained in:
Jana Radhakrishnan 2016-06-24 06:38:05 -07:00 committed by GitHub
commit d82e80e221
1 changed files with 39 additions and 20 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

59
libnetwork/datastore/datastore.go
View file

@ -54,11 +54,12 @@ var (
)
type datastore struct {
scope string
store store.Store
cache *cache
watchCh chan struct{}
active bool
scope string
store store.Store
cache *cache
watchCh chan struct{}
active bool
sequential bool
sync.Mutex
}
@ -190,6 +191,10 @@ func newClient(scope string, kv string, addr string, config *store.Config, cache
if cached && scope != LocalScope {
return nil, fmt.Errorf("caching supported only for scope %s", LocalScope)
}
sequential := false
if scope == LocalScope {
sequential = true
}
if config == nil {
config = &store.Config{}
@ -216,7 +221,7 @@ func newClient(scope string, kv string, addr string, config *store.Config, cache
return nil, err
}
ds := &datastore{scope: scope, store: store, active: true, watchCh: make(chan struct{})}
ds := &datastore{scope: scope, store: store, active: true, watchCh: make(chan struct{}), sequential: sequential}
if cached {
ds.cache = newCache(ds)
}
@ -375,8 +380,10 @@ func (ds *datastore) PutObjectAtomic(kvObject KVObject) error {
pair *store.KVPair
err error
)
ds.Lock()
defer ds.Unlock()
if ds.sequential {
ds.Lock()
defer ds.Unlock()
}
if kvObject == nil {
return types.BadRequestErrorf("invalid KV Object : nil")
@ -420,8 +427,10 @@ add_cache:
// PutObject adds a new Record based on an object into the datastore
func (ds *datastore) PutObject(kvObject KVObject) error {
ds.Lock()
defer ds.Unlock()
if ds.sequential {
ds.Lock()
defer ds.Unlock()
}
if kvObject == nil {
return types.BadRequestErrorf("invalid KV Object : nil")
@ -456,8 +465,10 @@ func (ds *datastore) putObjectWithKey(kvObject KVObject, key ...string) error {
// GetObject returns a record matching the key
func (ds *datastore) GetObject(key string, o KVObject) error {
ds.Lock()
defer ds.Unlock()
if ds.sequential {
ds.Lock()
defer ds.Unlock()
}
if ds.cache != nil {
return ds.cache.get(key, o)
@ -490,8 +501,10 @@ func (ds *datastore) ensureParent(parent string) error {
}
func (ds *datastore) List(key string, kvObject KVObject) ([]KVObject, error) {
ds.Lock()
defer ds.Unlock()
if ds.sequential {
ds.Lock()
defer ds.Unlock()
}
if ds.cache != nil {
return ds.cache.list(kvObject)
@ -536,8 +549,10 @@ func (ds *datastore) List(key string, kvObject KVObject) ([]KVObject, error) {
// DeleteObject unconditionally deletes a record from the store
func (ds *datastore) DeleteObject(kvObject KVObject) error {
ds.Lock()
defer ds.Unlock()
if ds.sequential {
ds.Lock()
defer ds.Unlock()
}
// cleaup the cache first
if ds.cache != nil {
@ -555,8 +570,10 @@ func (ds *datastore) DeleteObject(kvObject KVObject) error {
// DeleteObjectAtomic performs atomic delete on a record
func (ds *datastore) DeleteObjectAtomic(kvObject KVObject) error {
ds.Lock()
defer ds.Unlock()
if ds.sequential {
ds.Lock()
defer ds.Unlock()
}
if kvObject == nil {
return types.BadRequestErrorf("invalid KV Object : nil")
@ -588,8 +605,10 @@ del_cache:
// DeleteTree unconditionally deletes a record from the store
func (ds *datastore) DeleteTree(kvObject KVObject) error {
ds.Lock()
defer ds.Unlock()
if ds.sequential {
ds.Lock()
defer ds.Unlock()
}
// cleaup the cache first
if ds.cache != nil {