mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-11-30 23:29:02 +08:00
55 lines
2.0 KiB
Go
55 lines
2.0 KiB
Go
package filer
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"github.com/seaweedfs/seaweedfs/weed/util"
|
|
"io"
|
|
)
|
|
|
|
const CountEntryChunksForGzip = 50
|
|
|
|
var (
|
|
ErrUnsupportedListDirectoryPrefixed = errors.New("unsupported directory prefix listing")
|
|
ErrUnsupportedSuperLargeDirectoryListing = errors.New("unsupported super large directory listing")
|
|
ErrKvNotImplemented = errors.New("kv not implemented yet")
|
|
ErrKvNotFound = errors.New("kv: not found")
|
|
)
|
|
|
|
type ListEachEntryFunc func(entry *Entry) bool
|
|
|
|
type FilerStore interface {
|
|
// GetName gets the name to locate the configuration in filer.toml file
|
|
GetName() string
|
|
// Initialize initializes the file store
|
|
Initialize(configuration util.Configuration, prefix string) error
|
|
InsertEntry(context.Context, *Entry) error
|
|
UpdateEntry(context.Context, *Entry) (err error)
|
|
// err == filer_pb.ErrNotFound if not found
|
|
FindEntry(context.Context, util.FullPath) (entry *Entry, err error)
|
|
DeleteEntry(context.Context, util.FullPath) (err error)
|
|
DeleteFolderChildren(context.Context, util.FullPath) (err error)
|
|
ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, eachEntryFunc ListEachEntryFunc) (lastFileName string, err error)
|
|
ListDirectoryPrefixedEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string, eachEntryFunc ListEachEntryFunc) (lastFileName string, err error)
|
|
|
|
BeginTransaction(ctx context.Context) (context.Context, error)
|
|
CommitTransaction(ctx context.Context) error
|
|
RollbackTransaction(ctx context.Context) error
|
|
|
|
KvPut(ctx context.Context, key []byte, value []byte) (err error)
|
|
KvGet(ctx context.Context, key []byte) (value []byte, err error)
|
|
KvDelete(ctx context.Context, key []byte) (err error)
|
|
|
|
Shutdown()
|
|
}
|
|
|
|
type BucketAware interface {
|
|
OnBucketCreation(bucket string)
|
|
OnBucketDeletion(bucket string)
|
|
CanDropWholeBucket() bool
|
|
}
|
|
|
|
type Debuggable interface {
|
|
Debug(writer io.Writer)
|
|
}
|