seaweedfs/weed/filesys/wfs.go

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package filesys
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import (
"bazil.org/fuse/fs"
"fmt"
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/karlseguin/ccache"
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"google.golang.org/grpc"
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)
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type WFS struct {
filer string
listDirectoryEntriesCache *ccache.Cache
collection string
replication string
chunkSizeLimit int64
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}
func NewSeaweedFileSystem(filer string, collection string, replication string, chunkSizeLimitMB int) *WFS {
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return &WFS{
filer: filer,
listDirectoryEntriesCache: ccache.New(ccache.Configure().MaxSize(6000).ItemsToPrune(100)),
collection: collection,
replication: replication,
chunkSizeLimit: int64(chunkSizeLimitMB) * 1024 * 1024,
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}
}
func (wfs *WFS) Root() (fs.Node, error) {
return &Dir{Path: "/", wfs: wfs}, nil
}
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func (wfs *WFS) withFilerClient(fn func(filer_pb.SeaweedFilerClient) error) error {
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grpcConnection, err := grpc.Dial(wfs.filer, grpc.WithInsecure())
if err != nil {
return fmt.Errorf("fail to dial %s: %v", wfs.filer, err)
}
defer grpcConnection.Close()
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client := filer_pb.NewSeaweedFilerClient(grpcConnection)
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return fn(client)
}