Can compile now. not working just yet.

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
+}