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Diffstat (limited to 'weed/filer2/filer.go')
-rw-r--r--weed/filer2/filer.go219
1 files changed, 132 insertions, 87 deletions
diff --git a/weed/filer2/filer.go b/weed/filer2/filer.go
index 1ee2f5ede..06c997f36 100644
--- a/weed/filer2/filer.go
+++ b/weed/filer2/filer.go
@@ -3,35 +3,53 @@ package filer2
import (
"context"
"fmt"
- "math"
"os"
- "path/filepath"
"strings"
"time"
+ "google.golang.org/grpc"
+
+ "github.com/karlseguin/ccache"
+
"github.com/chrislusf/seaweedfs/weed/glog"
+ "github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+ "github.com/chrislusf/seaweedfs/weed/util"
+ "github.com/chrislusf/seaweedfs/weed/util/log_buffer"
"github.com/chrislusf/seaweedfs/weed/wdclient"
- "github.com/karlseguin/ccache"
)
+const PaginationSize = 1024 * 256
+
var (
OS_UID = uint32(os.Getuid())
OS_GID = uint32(os.Getgid())
)
type Filer struct {
- store FilerStore
- directoryCache *ccache.Cache
- MasterClient *wdclient.MasterClient
- fileIdDeletionChan chan string
+ store *FilerStoreWrapper
+ directoryCache *ccache.Cache
+ MasterClient *wdclient.MasterClient
+ fileIdDeletionQueue *util.UnboundedQueue
+ GrpcDialOption grpc.DialOption
+ DirBucketsPath string
+ FsyncBuckets []string
+ buckets *FilerBuckets
+ Cipher bool
+ LocalMetaLogBuffer *log_buffer.LogBuffer
+ metaLogCollection string
+ metaLogReplication string
}
-func NewFiler(masters []string) *Filer {
+func NewFiler(masters []string, grpcDialOption grpc.DialOption, filerHost string, filerGrpcPort uint32, collection string, replication string, notifyFn func()) *Filer {
f := &Filer{
- directoryCache: ccache.New(ccache.Configure().MaxSize(1000).ItemsToPrune(100)),
- MasterClient: wdclient.NewMasterClient(context.Background(), "filer", masters),
- fileIdDeletionChan: make(chan string, 4096),
+ directoryCache: ccache.New(ccache.Configure().MaxSize(1000).ItemsToPrune(100)),
+ MasterClient: wdclient.NewMasterClient(grpcDialOption, "filer", filerHost, filerGrpcPort, masters),
+ fileIdDeletionQueue: util.NewUnboundedQueue(),
+ GrpcDialOption: grpcDialOption,
}
+ f.LocalMetaLogBuffer = log_buffer.NewLogBuffer(time.Minute, f.logFlushFunc, notifyFn)
+ f.metaLogCollection = collection
+ f.metaLogReplication = replication
go f.loopProcessingDeletion()
@@ -39,7 +57,11 @@ func NewFiler(masters []string) *Filer {
}
func (f *Filer) SetStore(store FilerStore) {
- f.store = store
+ f.store = NewFilerStoreWrapper(store)
+}
+
+func (f *Filer) GetStore() (store FilerStore) {
+ return f.store
}
func (f *Filer) DisableDirectoryCache() {
@@ -54,7 +76,19 @@ func (fs *Filer) KeepConnectedToMaster() {
fs.MasterClient.KeepConnectedToMaster()
}
-func (f *Filer) CreateEntry(entry *Entry) error {
+func (f *Filer) BeginTransaction(ctx context.Context) (context.Context, error) {
+ return f.store.BeginTransaction(ctx)
+}
+
+func (f *Filer) CommitTransaction(ctx context.Context) error {
+ return f.store.CommitTransaction(ctx)
+}
+
+func (f *Filer) RollbackTransaction(ctx context.Context) error {
+ return f.store.RollbackTransaction(ctx)
+}
+
+func (f *Filer) CreateEntry(ctx context.Context, entry *Entry, o_excl bool, isFromOtherCluster bool) error {
if string(entry.FullPath) == "/" {
return nil
@@ -67,7 +101,7 @@ func (f *Filer) CreateEntry(entry *Entry) error {
var lastDirectoryEntry *Entry
for i := 1; i < len(dirParts); i++ {
- dirPath := "/" + filepath.Join(dirParts[:i]...)
+ dirPath := "/" + util.Join(dirParts[:i]...)
// fmt.Printf("%d directory: %+v\n", i, dirPath)
// first check local cache
@@ -76,9 +110,9 @@ func (f *Filer) CreateEntry(entry *Entry) error {
// not found, check the store directly
if dirEntry == nil {
glog.V(4).Infof("find uncached directory: %s", dirPath)
- dirEntry, _ = f.FindEntry(FullPath(dirPath))
+ dirEntry, _ = f.FindEntry(ctx, util.FullPath(dirPath))
} else {
- glog.V(4).Infof("found cached directory: %s", dirPath)
+ // glog.V(4).Infof("found cached directory: %s", dirPath)
}
// no such existing directory
@@ -88,27 +122,34 @@ func (f *Filer) CreateEntry(entry *Entry) error {
now := time.Now()
dirEntry = &Entry{
- FullPath: FullPath(dirPath),
+ FullPath: util.FullPath(dirPath),
Attr: Attr{
- Mtime: now,
- Crtime: now,
- Mode: os.ModeDir | 0770,
- Uid: entry.Uid,
- Gid: entry.Gid,
+ Mtime: now,
+ Crtime: now,
+ Mode: os.ModeDir | entry.Mode | 0110,
+ Uid: entry.Uid,
+ Gid: entry.Gid,
+ Collection: entry.Collection,
+ Replication: entry.Replication,
+ UserName: entry.UserName,
+ GroupNames: entry.GroupNames,
},
}
glog.V(2).Infof("create directory: %s %v", dirPath, dirEntry.Mode)
- mkdirErr := f.store.InsertEntry(dirEntry)
+ mkdirErr := f.store.InsertEntry(ctx, dirEntry)
if mkdirErr != nil {
- if _, err := f.FindEntry(FullPath(dirPath)); err == ErrNotFound {
+ if _, err := f.FindEntry(ctx, util.FullPath(dirPath)); err == filer_pb.ErrNotFound {
+ glog.V(3).Infof("mkdir %s: %v", dirPath, mkdirErr)
return fmt.Errorf("mkdir %s: %v", dirPath, mkdirErr)
}
} else {
- f.NotifyUpdateEvent(nil, dirEntry, false)
+ f.maybeAddBucket(dirEntry)
+ f.NotifyUpdateEvent(ctx, nil, dirEntry, false, isFromOtherCluster)
}
} else if !dirEntry.IsDirectory() {
+ glog.Errorf("CreateEntry %s: %s should be a directory", entry.FullPath, dirPath)
return fmt.Errorf("%s is a file", dirPath)
}
@@ -123,6 +164,7 @@ func (f *Filer) CreateEntry(entry *Entry) error {
}
if lastDirectoryEntry == nil {
+ glog.Errorf("CreateEntry %s: lastDirectoryEntry is nil", entry.FullPath)
return fmt.Errorf("parent folder not found: %v", entry.FullPath)
}
@@ -134,38 +176,50 @@ func (f *Filer) CreateEntry(entry *Entry) error {
}
*/
- oldEntry, _ := f.FindEntry(entry.FullPath)
+ oldEntry, _ := f.FindEntry(ctx, entry.FullPath)
+ glog.V(4).Infof("CreateEntry %s: old entry: %v exclusive:%v", entry.FullPath, oldEntry, o_excl)
if oldEntry == nil {
- if err := f.store.InsertEntry(entry); err != nil {
+ if err := f.store.InsertEntry(ctx, entry); err != nil {
+ glog.Errorf("insert entry %s: %v", entry.FullPath, err)
return fmt.Errorf("insert entry %s: %v", entry.FullPath, err)
}
} else {
- if err := f.UpdateEntry(oldEntry, entry); err != nil {
+ if o_excl {
+ glog.V(3).Infof("EEXIST: entry %s already exists", entry.FullPath)
+ return fmt.Errorf("EEXIST: entry %s already exists", entry.FullPath)
+ }
+ if err := f.UpdateEntry(ctx, oldEntry, entry); err != nil {
+ glog.Errorf("update entry %s: %v", entry.FullPath, err)
return fmt.Errorf("update entry %s: %v", entry.FullPath, err)
}
}
- f.NotifyUpdateEvent(oldEntry, entry, true)
+ f.maybeAddBucket(entry)
+ f.NotifyUpdateEvent(ctx, oldEntry, entry, true, isFromOtherCluster)
f.deleteChunksIfNotNew(oldEntry, entry)
+ glog.V(4).Infof("CreateEntry %s: created", entry.FullPath)
+
return nil
}
-func (f *Filer) UpdateEntry(oldEntry, entry *Entry) (err error) {
+func (f *Filer) UpdateEntry(ctx context.Context, oldEntry, entry *Entry) (err error) {
if oldEntry != nil {
if oldEntry.IsDirectory() && !entry.IsDirectory() {
+ glog.Errorf("existing %s is a directory", entry.FullPath)
return fmt.Errorf("existing %s is a directory", entry.FullPath)
}
if !oldEntry.IsDirectory() && entry.IsDirectory() {
+ glog.Errorf("existing %s is a file", entry.FullPath)
return fmt.Errorf("existing %s is a file", entry.FullPath)
}
}
- return f.store.UpdateEntry(entry)
+ return f.store.UpdateEntry(ctx, entry)
}
-func (f *Filer) FindEntry(p FullPath) (entry *Entry, err error) {
+func (f *Filer) FindEntry(ctx context.Context, p util.FullPath) (entry *Entry, err error) {
now := time.Now()
@@ -181,74 +235,59 @@ func (f *Filer) FindEntry(p FullPath) (entry *Entry, err error) {
},
}, nil
}
- return f.store.FindEntry(p)
-}
-
-func (f *Filer) DeleteEntryMetaAndData(p FullPath, isRecursive bool, shouldDeleteChunks bool) (err error) {
- entry, err := f.FindEntry(p)
- if err != nil {
- return err
- }
-
- if entry.IsDirectory() {
- limit := int(1)
- if isRecursive {
- limit = math.MaxInt32
- }
- lastFileName := ""
- includeLastFile := false
- for limit > 0 {
- entries, err := f.ListDirectoryEntries(p, lastFileName, includeLastFile, 1024)
- if err != nil {
- return fmt.Errorf("list folder %s: %v", p, err)
- }
- if len(entries) == 0 {
- break
- } else {
- if isRecursive {
- for _, sub := range entries {
- lastFileName = sub.Name()
- f.DeleteEntryMetaAndData(sub.FullPath, isRecursive, shouldDeleteChunks)
- limit--
- if limit <= 0 {
- break
- }
- }
- } else {
- if len(entries) > 0 {
- return fmt.Errorf("folder %s is not empty", p)
- }
- }
- f.cacheDelDirectory(string(p))
- if len(entries) < 1024 {
- break
- }
- }
+ entry, err = f.store.FindEntry(ctx, p)
+ if entry != nil && entry.TtlSec > 0 {
+ if entry.Crtime.Add(time.Duration(entry.TtlSec) * time.Second).Before(time.Now()) {
+ f.store.DeleteEntry(ctx, p.Child(entry.Name()))
+ return nil, filer_pb.ErrNotFound
}
}
+ return
- if shouldDeleteChunks {
- f.DeleteChunks(entry.Chunks)
- }
+}
- if p == "/" {
- return nil
+func (f *Filer) ListDirectoryEntries(ctx context.Context, p util.FullPath, startFileName string, inclusive bool, limit int) ([]*Entry, error) {
+ if strings.HasSuffix(string(p), "/") && len(p) > 1 {
+ p = p[0 : len(p)-1]
}
- glog.V(3).Infof("deleting entry %v", p)
- f.NotifyUpdateEvent(entry, nil, shouldDeleteChunks)
+ var makeupEntries []*Entry
+ entries, expiredCount, lastFileName, err := f.doListDirectoryEntries(ctx, p, startFileName, inclusive, limit)
+ for expiredCount > 0 && err == nil {
+ makeupEntries, expiredCount, lastFileName, err = f.doListDirectoryEntries(ctx, p, lastFileName, false, expiredCount)
+ if err == nil {
+ entries = append(entries, makeupEntries...)
+ }
+ }
- return f.store.DeleteEntry(p)
+ return entries, err
}
-func (f *Filer) ListDirectoryEntries(p FullPath, startFileName string, inclusive bool, limit int) ([]*Entry, error) {
- if strings.HasSuffix(string(p), "/") && len(p) > 1 {
- p = p[0 : len(p)-1]
+func (f *Filer) doListDirectoryEntries(ctx context.Context, p util.FullPath, startFileName string, inclusive bool, limit int) (entries []*Entry, expiredCount int, lastFileName string, err error) {
+ listedEntries, listErr := f.store.ListDirectoryEntries(ctx, p, startFileName, inclusive, limit)
+ if listErr != nil {
+ return listedEntries, expiredCount, "", listErr
}
- return f.store.ListDirectoryEntries(p, startFileName, inclusive, limit)
+ for _, entry := range listedEntries {
+ lastFileName = entry.Name()
+ if entry.TtlSec > 0 {
+ if entry.Crtime.Add(time.Duration(entry.TtlSec) * time.Second).Before(time.Now()) {
+ f.store.DeleteEntry(ctx, p.Child(entry.Name()))
+ expiredCount++
+ continue
+ }
+ }
+ entries = append(entries, entry)
+ }
+ return
}
func (f *Filer) cacheDelDirectory(dirpath string) {
+
+ if dirpath == "/" {
+ return
+ }
+
if f.directoryCache == nil {
return
}
@@ -257,6 +296,7 @@ func (f *Filer) cacheDelDirectory(dirpath string) {
}
func (f *Filer) cacheGetDirectory(dirpath string) *Entry {
+
if f.directoryCache == nil {
return nil
}
@@ -280,3 +320,8 @@ func (f *Filer) cacheSetDirectory(dirpath string, dirEntry *Entry, level int) {
f.directoryCache.Set(dirpath, dirEntry, time.Duration(minutes)*time.Minute)
}
+
+func (f *Filer) Shutdown() {
+ f.LocalMetaLogBuffer.Shutdown()
+ f.store.Shutdown()
+}