From dd6f08b10b1597f44e3dc25509ac9a45336b0914 Mon Sep 17 00:00:00 2001
From: Sebastien Douheret <sebastien.douheret@iot.bzh>
Date: Thu, 10 Aug 2017 12:19:34 +0200
Subject: Add folder interface and support native pathmap folder type.

Signed-off-by: Sebastien Douheret <sebastien.douheret@iot.bzh>
---
 lib/folder/folder-pathmap.go | 88 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 lib/folder/folder-pathmap.go

(limited to 'lib/folder/folder-pathmap.go')

diff --git a/lib/folder/folder-pathmap.go b/lib/folder/folder-pathmap.go
new file mode 100644
index 0000000..8711df2
--- /dev/null
+++ b/lib/folder/folder-pathmap.go
@@ -0,0 +1,88 @@
+package folder
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+
+	common "github.com/iotbzh/xds-common/golib"
+)
+
+// IFOLDER interface implementation for native/path mapping folders
+
+// PathMap .
+type PathMap struct {
+	config FolderConfig
+}
+
+// NewFolderPathMap Create a new instance of PathMap
+func NewFolderPathMap() *PathMap {
+	f := PathMap{}
+	return &f
+}
+
+// Add a new folder
+func (f *PathMap) Add(cfg FolderConfig) (*FolderConfig, error) {
+	if cfg.DataPathMap.ServerPath == "" {
+		return nil, fmt.Errorf("ServerPath must be set")
+	}
+
+	// Sanity check
+	dir := cfg.DataPathMap.ServerPath
+	if !common.Exists(dir) {
+		// try to create if not existing
+		if err := os.MkdirAll(dir, 0755); err != nil {
+			return nil, fmt.Errorf("Cannot create ServerPath directory: %s", dir)
+		}
+	}
+	if !common.Exists(dir) {
+		return nil, fmt.Errorf("ServerPath directory is not accessible: %s", dir)
+	}
+	file, err := ioutil.TempFile(dir, "xds_pathmap_check")
+	if err != nil {
+		return nil, fmt.Errorf("ServerPath sanity check error: %s", err.Error())
+	}
+	defer os.Remove(file.Name())
+
+	msg := "sanity check PathMap Add folder"
+	n, err := file.Write([]byte(msg))
+	if err != nil || n != len(msg) {
+		return nil, fmt.Errorf("ServerPath sanity check error: %s", err.Error())
+	}
+
+	f.config = cfg
+	f.config.RootPath = cfg.DataPathMap.ServerPath
+	f.config.Status = StatusEnable
+
+	return &f.config, nil
+}
+
+// GetConfig Get public part of folder config
+func (f *PathMap) GetConfig() FolderConfig {
+	return f.config
+}
+
+// GetFullPath returns the full path
+func (f *PathMap) GetFullPath(dir string) string {
+	if &dir == nil {
+		return f.config.DataPathMap.ServerPath
+	}
+	return filepath.Join(f.config.DataPathMap.ServerPath, dir)
+}
+
+// Remove a folder
+func (f *PathMap) Remove() error {
+	// nothing to do
+	return nil
+}
+
+// Sync Force folder files synchronization
+func (f *PathMap) Sync() error {
+	return nil
+}
+
+// IsInSync Check if folder files are in-sync
+func (f *PathMap) IsInSync() (bool, error) {
+	return true, nil
+}
-- 
cgit 1.2.3-korg