fix import cycle

weed/filer/read.go

@@ -0,0 +1,27 @@
+package filer
+
+import (
+	"bytes"
+	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/wdclient"
+	"math"
+)
+
+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, math.MaxInt64)
+
+}