From 14242e6c70d68770319e32bb3d6a5abe2b936a59 Mon Sep 17 00:00:00 2001
From: Chris Lu <chris.lu@gmail.com>
Date: Tue, 17 Dec 2019 21:10:26 -0800
Subject: [PATCH] passing xattr

---
 weed/filer2/entry.go       |  2 ++
 weed/filer2/entry_codec.go | 27 +++++++++++++++++++++++++--
 2 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/weed/filer2/entry.go b/weed/filer2/entry.go
index 3f8a19114..c901927bb 100644
--- a/weed/filer2/entry.go
+++ b/weed/filer2/entry.go
@@ -30,6 +30,7 @@ type Entry struct {
 	FullPath
 
 	Attr
+	Extended map[string][]byte
 
 	// the following is for files
 	Chunks []*filer_pb.FileChunk `json:"chunks,omitempty"`
@@ -56,6 +57,7 @@ func (entry *Entry) ToProtoEntry() *filer_pb.Entry {
 		IsDirectory: entry.IsDirectory(),
 		Attributes:  EntryAttributeToPb(entry),
 		Chunks:      entry.Chunks,
+		Extended:    entry.Extended,
 	}
 }
 
diff --git a/weed/filer2/entry_codec.go b/weed/filer2/entry_codec.go
index cf4627b74..d0045597a 100644
--- a/weed/filer2/entry_codec.go
+++ b/weed/filer2/entry_codec.go
@@ -1,18 +1,21 @@
 package filer2
 
 import (
+	"bytes"
+	"fmt"
 	"os"
 	"time"
 
-	"fmt"
-	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
 	"github.com/golang/protobuf/proto"
+
+	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
 )
 
 func (entry *Entry) EncodeAttributesAndChunks() ([]byte, error) {
 	message := &filer_pb.Entry{
 		Attributes: EntryAttributeToPb(entry),
 		Chunks:     entry.Chunks,
+		Extended:   entry.Extended,
 	}
 	return proto.Marshal(message)
 }
@@ -27,6 +30,8 @@ func (entry *Entry) DecodeAttributesAndChunks(blob []byte) error {
 
 	entry.Attr = PbToEntryAttribute(message.Attributes)
 
+	entry.Extended = message.Extended
+
 	entry.Chunks = message.Chunks
 
 	return nil
@@ -84,6 +89,10 @@ func EqualEntry(a, b *Entry) bool {
 		return false
 	}
 
+	if !eq(a.Extended, b.Extended) {
+		return false
+	}
+
 	for i := 0; i < len(a.Chunks); i++ {
 		if !proto.Equal(a.Chunks[i], b.Chunks[i]) {
 			return false
@@ -91,3 +100,17 @@ func EqualEntry(a, b *Entry) bool {
 	}
 	return true
 }
+
+func eq(a, b map[string][]byte) bool {
+	if len(a) != len(b) {
+		return false
+	}
+
+	for k, v := range a {
+		if w, ok := b[k]; !ok || bytes.Equal(v, w) {
+			return false
+		}
+	}
+
+	return true
+}