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package filer
import (
"bytes"
"time"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/wdclient"
)
func ReadEntry(masterClient *wdclient.MasterClient, filerClient filer_pb.SeaweedFilerClient, dir, name string, byteBuffer *bytes.Buffer) error {
request := &filer_pb.LookupDirectoryEntryRequest{
Directory: dir,
Name: name,
}
respLookupEntry, err := filer_pb.LookupEntry(filerClient, request)
if err != nil {
return err
}
if len(respLookupEntry.Entry.Content) > 0 {
_, err = byteBuffer.Write(respLookupEntry.Entry.Content)
return err
}
return StreamContent(masterClient, byteBuffer, respLookupEntry.Entry.Chunks, 0, int64(FileSize(respLookupEntry.Entry)))
}
func ReadInsideFiler(filerClient filer_pb.SeaweedFilerClient, dir, name string) (content []byte, err error) {
request := &filer_pb.LookupDirectoryEntryRequest{
Directory: dir,
Name: name,
}
respLookupEntry, err := filer_pb.LookupEntry(filerClient, request)
if err != nil {
return
}
content = respLookupEntry.Entry.Content
return
}
func SaveInsideFiler(client filer_pb.SeaweedFilerClient, dir, name string, content []byte) error {
resp, err := filer_pb.LookupEntry(client, &filer_pb.LookupDirectoryEntryRequest{
Directory: dir,
Name: name,
})
if err == filer_pb.ErrNotFound {
err = filer_pb.CreateEntry(client, &filer_pb.CreateEntryRequest{
Directory: dir,
Entry: &filer_pb.Entry{
Name: name,
IsDirectory: false,
Attributes: &filer_pb.FuseAttributes{
Mtime: time.Now().Unix(),
Crtime: time.Now().Unix(),
FileMode: uint32(0644),
FileSize: uint64(len(content)),
},
Content: content,
},
SkipCheckParentDirectory: false,
})
} else if err == nil {
entry := resp.Entry
entry.Content = content
entry.Attributes.Mtime = time.Now().Unix()
entry.Attributes.FileSize = uint64(len(content))
err = filer_pb.UpdateEntry(client, &filer_pb.UpdateEntryRequest{
Directory: dir,
Entry: entry,
})
}
return err
}
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