3 files changed, 63 insertions, 3 deletions
diff --git a/go/filer/directory.go b/go/filer/directory.go
index 2eefed9c1..956a2f504 100644
--- a/go/filer/directory.go
+++ b/go/filer/directory.go
@@ -11,8 +11,10 @@ type DirectoryEntry struct {
 
 type DirectoryManager interface {
 	FindDirectory(dirPath string) (DirectoryId, error)
-	ListDirectories(dirPath string) (dirNames []DirectoryEntry, err error)
+	ListDirectories(dirPath string) (dirs []DirectoryEntry, err error)
 	MakeDirectory(currentDirPath string, dirName string) (DirectoryId, error)
 	MoveUnderDirectory(oldDirPath string, newParentDirPath string) error
 	DeleteDirectory(dirPath string) error
+	//functions used by FUSE
+	FindDirectoryById(DirectoryId, error)
 }
diff --git a/go/filer/filer.go b/go/filer/filer.go
index a42d9ed8c..8d2da901b 100644
--- a/go/filer/filer.go
+++ b/go/filer/filer.go
@@ -5,8 +5,8 @@ import ()
 type FileId string //file id on weedfs
 
 type FileEntry struct {
-	Name string //file name without path
-	Id   FileId
+	Name string `json:"name,omitempty"` //file name without path
+	Id   FileId `json:"fid,omitempty"`
 }
 
 type Filer interface {
diff --git a/go/filer/operations.go b/go/filer/operations.go
new file mode 100644
index 000000000..7e89b534d
--- /dev/null
+++ b/go/filer/operations.go
@@ -0,0 +1,58 @@
+package filer
+
+import ()
+
+import (
+	"code.google.com/p/weed-fs/go/util"
+	"encoding/json"
+	"errors"
+	_ "fmt"
+	"net/url"
+	"strconv"
+)
+
+type ListFilesResult struct {
+	Files []FileEntry
+	Error string `json:"error,omitempty"`
+}
+
+func ListFiles(server string, directoryId DirectoryId, fileName string) (*ListFilesResult, error) {
+	values := make(url.Values)
+	values.Add("directoryId", strconv.Itoa(int(directoryId)))
+	jsonBlob, err := util.Post("http://"+server+"/dir/lookup", values)
+	if err != nil {
+		return nil, err
+	}
+	var ret ListFilesResult
+	err = json.Unmarshal(jsonBlob, &ret)
+	if err != nil {
+		return nil, err
+	}
+	if ret.Error != "" {
+		return nil, errors.New(ret.Error)
+	}
+	return &ret, nil
+}
+
+type ListDirectoriesResult struct {
+	Directories []DirectoryEntry
+	Error       string `json:"error,omitempty"`
+}
+
+func ListDirectories(server string, directoryId DirectoryId) (*ListDirectoriesResult, error) {
+	values := make(url.Values)
+	values.Add("directoryId", strconv.Itoa(int(directoryId)))
+	jsonBlob, err := util.Post("http://"+server+"/dir/lookup", values)
+	if err != nil {
+		return nil, err
+	}
+	var ret ListDirectoriesResult
+	err = json.Unmarshal(jsonBlob, &ret)
+	if err != nil {
+		return nil, err
+	}
+	if ret.Error != "" {
+		return nil, errors.New(ret.Error)
+	}
+	return &ret, nil
+}