mirror of
https://github.com/seaweedfs/seaweedfs.git
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108 lines
2.8 KiB
Go
108 lines
2.8 KiB
Go
package mount
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import (
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"context"
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"github.com/chrislusf/seaweedfs/weed/filesys/meta_cache"
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"github.com/chrislusf/seaweedfs/weed/pb"
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
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"github.com/chrislusf/seaweedfs/weed/storage/types"
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"github.com/chrislusf/seaweedfs/weed/util"
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"github.com/chrislusf/seaweedfs/weed/util/grace"
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"google.golang.org/grpc"
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"os"
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"path"
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"path/filepath"
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"syscall"
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"time"
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"github.com/hanwen/go-fuse/v2/fs"
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"github.com/hanwen/go-fuse/v2/fuse"
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)
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type Option struct {
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MountDirectory string
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FilerAddresses []pb.ServerAddress
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filerIndex int
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GrpcDialOption grpc.DialOption
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FilerMountRootPath string
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Collection string
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Replication string
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TtlSec int32
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DiskType types.DiskType
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ChunkSizeLimit int64
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ConcurrentWriters int
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CacheDir string
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CacheSizeMB int64
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DataCenter string
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Umask os.FileMode
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MountUid uint32
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MountGid uint32
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MountMode os.FileMode
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MountCtime time.Time
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MountMtime time.Time
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MountParentInode uint64
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VolumeServerAccess string // how to access volume servers
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Cipher bool // whether encrypt data on volume server
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UidGidMapper *meta_cache.UidGidMapper
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uniqueCacheDir string
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uniqueCacheTempPageDir string
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}
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type WFS struct {
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fs.Inode
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option *Option
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metaCache *meta_cache.MetaCache
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signature int32
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}
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func NewSeaweedFileSystem(option *Option) *WFS {
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wfs := &WFS{
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option: option,
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signature: util.RandomInt32(),
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}
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wfs.metaCache = meta_cache.NewMetaCache(path.Join(option.getUniqueCacheDir(), "meta"), util.FullPath(option.FilerMountRootPath), option.UidGidMapper, func(filePath util.FullPath, entry *filer_pb.Entry) {
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})
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grace.OnInterrupt(func() {
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wfs.metaCache.Shutdown()
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})
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return wfs
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}
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func (option *Option) setupUniqueCacheDirectory() {
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cacheUniqueId := util.Md5String([]byte(option.MountDirectory + string(option.FilerAddresses[0]) + option.FilerMountRootPath + util.Version()))[0:8]
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option.uniqueCacheDir = path.Join(option.CacheDir, cacheUniqueId)
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option.uniqueCacheTempPageDir = filepath.Join(option.uniqueCacheDir, "sw")
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os.MkdirAll(option.uniqueCacheTempPageDir, os.FileMode(0777)&^option.Umask)
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}
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func (option *Option) getTempFilePageDir() string {
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return option.uniqueCacheTempPageDir
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}
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func (option *Option) getUniqueCacheDir() string {
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return option.uniqueCacheDir
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}
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func (r *WFS) OnAdd(ctx context.Context) {
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ch := r.NewPersistentInode(
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ctx, &fs.MemRegularFile{
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Data: []byte("file.txt"),
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Attr: fuse.Attr{
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Mode: 0644,
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},
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}, fs.StableAttr{Ino: 2})
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r.AddChild("file.txt", ch, false)
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}
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func (r *WFS) Getattr(ctx context.Context, fh fs.FileHandle, out *fuse.AttrOut) syscall.Errno {
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out.Mode = 0755
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return 0
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}
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var _ = (fs.NodeGetattrer)((*WFS)(nil))
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var _ = (fs.NodeOnAdder)((*WFS)(nil))
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