seaweedfs/weed/server/filer_grpc_server.go

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package weed_server
import (
"context"
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"fmt"
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"os"
"path/filepath"
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"time"
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"github.com/chrislusf/seaweedfs/weed/filer2"
"github.com/chrislusf/seaweedfs/weed/glog"
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"github.com/chrislusf/seaweedfs/weed/operation"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/util"
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"strconv"
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)
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func (fs *FilerServer) LookupDirectoryEntry(ctx context.Context, req *filer_pb.LookupDirectoryEntryRequest) (*filer_pb.LookupDirectoryEntryResponse, error) {
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entry, err := fs.filer.FindEntry(filer2.FullPath(filepath.Join(req.Directory, req.Name)))
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if err != nil {
return nil, fmt.Errorf("%s not found under %s: %v", req.Name, req.Directory, err)
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}
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return &filer_pb.LookupDirectoryEntryResponse{
Entry: &filer_pb.Entry{
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Name: req.Name,
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IsDirectory: entry.IsDirectory(),
Attributes: filer2.EntryAttributeToPb(entry),
Chunks: entry.Chunks,
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},
}, nil
}
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func (fs *FilerServer) ListEntries(ctx context.Context, req *filer_pb.ListEntriesRequest) (*filer_pb.ListEntriesResponse, error) {
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entries, err := fs.filer.ListDirectoryEntries(filer2.FullPath(req.Directory), "", false, fs.option.DirListingLimit)
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if err != nil {
return nil, err
}
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resp := &filer_pb.ListEntriesResponse{}
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for _, entry := range entries {
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resp.Entries = append(resp.Entries, &filer_pb.Entry{
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Name: entry.Name(),
IsDirectory: entry.IsDirectory(),
Chunks: entry.Chunks,
Attributes: filer2.EntryAttributeToPb(entry),
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})
}
return resp, nil
}
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func (fs *FilerServer) GetEntryAttributes(ctx context.Context, req *filer_pb.GetEntryAttributesRequest) (*filer_pb.GetEntryAttributesResponse, error) {
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fullpath := filer2.NewFullPath(req.ParentDir, req.Name)
entry, err := fs.filer.FindEntry(fullpath)
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if err != nil {
return nil, fmt.Errorf("FindEntry %s: %v", fullpath, err)
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}
attributes := filer2.EntryAttributeToPb(entry)
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glog.V(3).Infof("GetEntryAttributes %v size %d chunks %d: %+v", fullpath, attributes.FileSize, len(entry.Chunks), attributes)
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return &filer_pb.GetEntryAttributesResponse{
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Attributes: attributes,
Chunks: entry.Chunks,
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}, nil
}
func (fs *FilerServer) LookupVolume(ctx context.Context, req *filer_pb.LookupVolumeRequest) (*filer_pb.LookupVolumeResponse, error) {
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lookupResult, err := operation.LookupVolumeIds(fs.filer.GetMaster(), req.VolumeIds)
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if err != nil {
return nil, err
}
resp := &filer_pb.LookupVolumeResponse{
LocationsMap: make(map[string]*filer_pb.Locations),
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}
for vid, locations := range lookupResult {
var locs []*filer_pb.Location
for _, loc := range locations.Locations {
locs = append(locs, &filer_pb.Location{
Url: loc.Url,
PublicUrl: loc.PublicUrl,
})
}
resp.LocationsMap[vid] = &filer_pb.Locations{
Locations: locs,
}
}
return resp, nil
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}
func (fs *FilerServer) CreateEntry(ctx context.Context, req *filer_pb.CreateEntryRequest) (resp *filer_pb.CreateEntryResponse, err error) {
err = fs.filer.CreateEntry(&filer2.Entry{
FullPath: filer2.FullPath(filepath.Join(req.Directory, req.Entry.Name)),
Attr: filer2.PbToEntryAttribute(req.Entry.Attributes),
Chunks: req.Entry.Chunks,
})
if err == nil {
}
return &filer_pb.CreateEntryResponse{}, err
}
func (fs *FilerServer) UpdateEntry(ctx context.Context, req *filer_pb.UpdateEntryRequest) (*filer_pb.UpdateEntryResponse, error) {
fullpath := filepath.Join(req.Directory, req.Entry.Name)
entry, err := fs.filer.FindEntry(filer2.FullPath(fullpath))
if err != nil {
return &filer_pb.UpdateEntryResponse{}, fmt.Errorf("not found %s: %v", fullpath, err)
}
// remove old chunks if not included in the new ones
unusedChunks := filer2.FindUnusedFileChunks(entry.Chunks, req.Entry.Chunks)
chunks, garbages := filer2.CompactFileChunks(req.Entry.Chunks)
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newEntry := &filer2.Entry{
FullPath: filer2.FullPath(filepath.Join(req.Directory, req.Entry.Name)),
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Attr: entry.Attr,
Chunks: chunks,
}
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glog.V(3).Infof("updating %s: %+v, chunks %d: %v => %+v, chunks %d: %v",
fullpath, entry.Attr, len(entry.Chunks), entry.Chunks,
req.Entry.Attributes, len(req.Entry.Chunks), req.Entry.Chunks)
if req.Entry.Attributes != nil {
if req.Entry.Attributes.Mtime != 0 {
newEntry.Attr.Mtime = time.Unix(req.Entry.Attributes.Mtime, 0)
}
if req.Entry.Attributes.FileMode != 0 {
newEntry.Attr.Mode = os.FileMode(req.Entry.Attributes.FileMode)
}
newEntry.Attr.Uid = req.Entry.Attributes.Uid
newEntry.Attr.Gid = req.Entry.Attributes.Gid
newEntry.Attr.Mime = req.Entry.Attributes.Mime
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}
if err = fs.filer.UpdateEntry(newEntry); err == nil {
for _, garbage := range unusedChunks {
glog.V(0).Infof("deleting %s old chunk: %v, [%d, %d)", fullpath, garbage.FileId, garbage.Offset, garbage.Offset+int64(garbage.Size))
operation.DeleteFile(fs.filer.GetMaster(), garbage.FileId, fs.jwt(garbage.FileId))
}
for _, garbage := range garbages {
glog.V(0).Infof("deleting %s garbage chunk: %v, [%d, %d)", fullpath, garbage.FileId, garbage.Offset, garbage.Offset+int64(garbage.Size))
operation.DeleteFile(fs.filer.GetMaster(), garbage.FileId, fs.jwt(garbage.FileId))
}
}
return &filer_pb.UpdateEntryResponse{}, err
}
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func (fs *FilerServer) DeleteEntry(ctx context.Context, req *filer_pb.DeleteEntryRequest) (resp *filer_pb.DeleteEntryResponse, err error) {
err = fs.filer.DeleteEntryMetaAndData(filer2.FullPath(filepath.Join(req.Directory, req.Name)), req.IsRecursive, req.IsDeleteData)
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return &filer_pb.DeleteEntryResponse{}, err
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}
func (fs *FilerServer) AssignVolume(ctx context.Context, req *filer_pb.AssignVolumeRequest) (resp *filer_pb.AssignVolumeResponse, err error) {
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ttlStr := ""
if req.TtlSec > 0 {
ttlStr = strconv.Itoa(int(req.TtlSec))
}
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var altRequest *operation.VolumeAssignRequest
dataCenter := req.DataCenter
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if dataCenter == "" {
dataCenter = fs.option.DataCenter
}
assignRequest := &operation.VolumeAssignRequest{
Count: uint64(req.Count),
Replication: req.Replication,
Collection: req.Collection,
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Ttl: ttlStr,
DataCenter: dataCenter,
}
if dataCenter != "" {
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altRequest = &operation.VolumeAssignRequest{
Count: uint64(req.Count),
Replication: req.Replication,
Collection: req.Collection,
Ttl: ttlStr,
DataCenter: "",
}
}
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assignResult, err := operation.Assign(fs.filer.GetMaster(), assignRequest, altRequest)
if err != nil {
return nil, fmt.Errorf("assign volume: %v", err)
}
if assignResult.Error != "" {
return nil, fmt.Errorf("assign volume result: %v", assignResult.Error)
}
return &filer_pb.AssignVolumeResponse{
FileId: assignResult.Fid,
Count: int32(assignResult.Count),
Url: assignResult.Url,
PublicUrl: assignResult.PublicUrl,
}, err
}
func (fs *FilerServer) DeleteCollection(ctx context.Context, req *filer_pb.DeleteCollectionRequest) (resp *filer_pb.DeleteCollectionResponse, err error) {
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for _, master := range fs.option.Masters {
_, err = util.Get(fmt.Sprintf("http://%s/col/delete?collection=%s", master, req.Collection))
}
return &filer_pb.DeleteCollectionResponse{}, err
}